diff --git a/NzbDrone.Services/NzbDrone.Services.Service/App_Start/NinjectMVC3.cs b/NzbDrone.Services/NzbDrone.Services.Service/App_Start/NinjectMVC3.cs index 0b67ace74..4d179bd57 100644 --- a/NzbDrone.Services/NzbDrone.Services.Service/App_Start/NinjectMVC3.cs +++ b/NzbDrone.Services/NzbDrone.Services.Service/App_Start/NinjectMVC3.cs @@ -1,8 +1,8 @@ using NzbDrone.Services.Service.Datastore; -using PetaPoco; using Microsoft.Web.Infrastructure.DynamicModuleHelper; using Ninject; using Ninject.Web.Mvc; +using Services.PetaPoco; [assembly: WebActivator.PreApplicationStartMethod(typeof(NzbDrone.Services.Service.App_Start.NinjectMVC3), "Start")] [assembly: WebActivator.ApplicationShutdownMethodAttribute(typeof(NzbDrone.Services.Service.App_Start.NinjectMVC3), "Stop")] diff --git a/NzbDrone.Services/NzbDrone.Services.Service/Controllers/HealthController.cs b/NzbDrone.Services/NzbDrone.Services.Service/Controllers/HealthController.cs index 1e1e24523..918aa8fd6 100644 --- a/NzbDrone.Services/NzbDrone.Services.Service/Controllers/HealthController.cs +++ b/NzbDrone.Services/NzbDrone.Services.Service/Controllers/HealthController.cs @@ -3,7 +3,7 @@ using System.Linq; using System.Web.Mvc; using NzbDrone.Common; using NzbDrone.Core.Datastore.Migrations; -using PetaPoco; +using Services.PetaPoco; namespace NzbDrone.Services.Service.Controllers { diff --git a/NzbDrone.Services/NzbDrone.Services.Service/Controllers/ReportingController.cs b/NzbDrone.Services/NzbDrone.Services.Service/Controllers/ReportingController.cs index 793ddb158..3a5afc059 100644 --- a/NzbDrone.Services/NzbDrone.Services.Service/Controllers/ReportingController.cs +++ b/NzbDrone.Services/NzbDrone.Services.Service/Controllers/ReportingController.cs @@ -5,7 +5,7 @@ using NLog; using NzbDrone.Common; using NzbDrone.Common.Contract; using NzbDrone.Services.Service.Repository.Reporting; -using PetaPoco; +using Services.PetaPoco; namespace NzbDrone.Services.Service.Controllers @@ -42,7 +42,7 @@ namespace NzbDrone.Services.Service.Controllers private bool ParseErrorExists(string title) { - return _database.Exists("WHERE Title = @0", title); + return _database.Exists(title); } [HttpPost] @@ -61,12 +61,12 @@ namespace NzbDrone.Services.Service.Controllers return Json(OK); } - catch(Exception) + catch (Exception) { logger.Trace(exceptionReport.NullCheck()); throw; } - + } } } \ No newline at end of file diff --git a/NzbDrone.Services/NzbDrone.Services.Service/Datastore/Connection.cs b/NzbDrone.Services/NzbDrone.Services.Service/Datastore/Connection.cs index 9a00fc77e..9e49a573b 100644 --- a/NzbDrone.Services/NzbDrone.Services.Service/Datastore/Connection.cs +++ b/NzbDrone.Services/NzbDrone.Services.Service/Datastore/Connection.cs @@ -1,7 +1,10 @@ -using System.Configuration; +using System; +using System.Configuration; +using System.Data.SqlClient; using System.Linq; using NzbDrone.Services.Service.Migrations; -using PetaPoco; +using Services.PetaPoco; + namespace NzbDrone.Services.Service.Datastore { @@ -16,7 +19,7 @@ namespace NzbDrone.Services.Service.Datastore { MigrationsHelper.Run(GetConnectionString); - + var db = new Database("SqlExpress") { KeepConnectionAlive = true, diff --git a/NzbDrone.Services/NzbDrone.Services.Service/NzbDrone.Services.Service.csproj b/NzbDrone.Services/NzbDrone.Services.Service/NzbDrone.Services.Service.csproj index 3bcd5bd1d..b63666b39 100644 --- a/NzbDrone.Services/NzbDrone.Services.Service/NzbDrone.Services.Service.csproj +++ b/NzbDrone.Services/NzbDrone.Services.Service/NzbDrone.Services.Service.csproj @@ -110,6 +110,7 @@ + diff --git a/NzbDrone.Services/NzbDrone.Services.Service/Providers/DailySeriesProvider.cs b/NzbDrone.Services/NzbDrone.Services.Service/Providers/DailySeriesProvider.cs index efb327e73..8fab52f01 100644 --- a/NzbDrone.Services/NzbDrone.Services.Service/Providers/DailySeriesProvider.cs +++ b/NzbDrone.Services/NzbDrone.Services.Service/Providers/DailySeriesProvider.cs @@ -3,7 +3,7 @@ using System.Collections.Generic; using System.Linq; using System.Web; using NzbDrone.Services.Service.Repository; -using PetaPoco; +using Services.PetaPoco; namespace NzbDrone.Services.Service.Providers { diff --git a/NzbDrone.Services/NzbDrone.Services.Service/Providers/SceneMappingProvider.cs b/NzbDrone.Services/NzbDrone.Services.Service/Providers/SceneMappingProvider.cs index a8057befe..91d31a2fb 100644 --- a/NzbDrone.Services/NzbDrone.Services.Service/Providers/SceneMappingProvider.cs +++ b/NzbDrone.Services/NzbDrone.Services.Service/Providers/SceneMappingProvider.cs @@ -3,7 +3,7 @@ using System.Collections.Generic; using System.Linq; using System.Web; using NzbDrone.Services.Service.Repository; -using PetaPoco; +using Services.PetaPoco; namespace NzbDrone.Services.Service.Providers { diff --git a/NzbDrone.Services/NzbDrone.Services.Service/Repository/DailySeries.cs b/NzbDrone.Services/NzbDrone.Services.Service/Repository/DailySeries.cs index c5bf05c25..8b0c53367 100644 --- a/NzbDrone.Services/NzbDrone.Services.Service/Repository/DailySeries.cs +++ b/NzbDrone.Services/NzbDrone.Services.Service/Repository/DailySeries.cs @@ -2,7 +2,8 @@ using System.Collections.Generic; using System.Linq; using System.Web; -using PetaPoco; +using Services.PetaPoco; + namespace NzbDrone.Services.Service.Repository { diff --git a/NzbDrone.Services/NzbDrone.Services.Service/Repository/PendingSceneMapping.cs b/NzbDrone.Services/NzbDrone.Services.Service/Repository/PendingSceneMapping.cs index de0c11caf..115832ae4 100644 --- a/NzbDrone.Services/NzbDrone.Services.Service/Repository/PendingSceneMapping.cs +++ b/NzbDrone.Services/NzbDrone.Services.Service/Repository/PendingSceneMapping.cs @@ -2,7 +2,7 @@ using System.Collections.Generic; using System.Linq; using System.Web; -using PetaPoco; +using Services.PetaPoco; namespace NzbDrone.Services.Service.Repository { diff --git a/NzbDrone.Services/NzbDrone.Services.Service/Repository/Reporting/ExceptionRow.cs b/NzbDrone.Services/NzbDrone.Services.Service/Repository/Reporting/ExceptionRow.cs index db138f439..27b99b200 100644 --- a/NzbDrone.Services/NzbDrone.Services.Service/Repository/Reporting/ExceptionRow.cs +++ b/NzbDrone.Services/NzbDrone.Services.Service/Repository/Reporting/ExceptionRow.cs @@ -1,5 +1,5 @@ using System.Linq; -using PetaPoco; +using Services.PetaPoco; namespace NzbDrone.Services.Service.Repository.Reporting { diff --git a/NzbDrone.Services/NzbDrone.Services.Service/Repository/Reporting/ParseErrorRow.cs b/NzbDrone.Services/NzbDrone.Services.Service/Repository/Reporting/ParseErrorRow.cs index c2e3d076f..408f10317 100644 --- a/NzbDrone.Services/NzbDrone.Services.Service/Repository/Reporting/ParseErrorRow.cs +++ b/NzbDrone.Services/NzbDrone.Services.Service/Repository/Reporting/ParseErrorRow.cs @@ -1,9 +1,11 @@ using System.Linq; -using PetaPoco; +using Services.PetaPoco; + namespace NzbDrone.Services.Service.Repository.Reporting { [TableName("ParseErrorReports")] + [PrimaryKey("Title", autoIncrement = false)] public class ParseErrorRow : ReportRowBase { public string Title { get; set; } diff --git a/NzbDrone.Services/NzbDrone.Services.Service/Repository/SceneMapping.cs b/NzbDrone.Services/NzbDrone.Services.Service/Repository/SceneMapping.cs index b04a32d86..ad2177745 100644 --- a/NzbDrone.Services/NzbDrone.Services.Service/Repository/SceneMapping.cs +++ b/NzbDrone.Services/NzbDrone.Services.Service/Repository/SceneMapping.cs @@ -2,7 +2,7 @@ using System.Collections.Generic; using System.Linq; using System.Web; -using PetaPoco; +using Services.PetaPoco; namespace NzbDrone.Services.Service.Repository { diff --git a/NzbDrone.Services/NzbDrone.Services.Service/Services.PetaPoco.cs b/NzbDrone.Services/NzbDrone.Services.Service/Services.PetaPoco.cs new file mode 100644 index 000000000..1fdd1a340 --- /dev/null +++ b/NzbDrone.Services/NzbDrone.Services.Service/Services.PetaPoco.cs @@ -0,0 +1,3198 @@ +/* PetaPoco v4.0.3.11 - A Tiny ORMish thing for your POCO's. + * Copyright � 2011 Topten Software. All Rights Reserved. + * + * Apache License 2.0 - http://www.toptensoftware.com/petapoco/license + * + * Special thanks to Rob Conery (@robconery) for original inspiration (ie:Massive) and for + * use of Subsonic's T4 templates, Rob Sullivan (@DataChomp) for hard core DBA advice + * and Adam Schroder (@schotime) for lots of suggestions, improvements and Oracle support + */ + +//#define PETAPOCO_NO_DYNAMIC //in your project settings on .NET 3.5 + +using System; +using System.Collections; +using System.Collections.Generic; +using System.Linq; +using System.Text; +using System.Configuration; +using System.Data.Common; +using System.Data; +using System.Text.RegularExpressions; +using System.Reflection; +using System.Reflection.Emit; +using System.Linq.Expressions; +using System.Threading; + +namespace Services.PetaPoco +{ + // Poco's marked [Explicit] require all column properties to be marked + [AttributeUsage(AttributeTargets.Class)] + public class ExplicitColumnsAttribute : Attribute + { + } + // For non-explicit pocos, causes a property to be ignored + [AttributeUsage(AttributeTargets.Property)] + public class IgnoreAttribute : Attribute + { + } + + // For explicit pocos, marks property as a column + [AttributeUsage(AttributeTargets.Property)] + public class ColumnAttribute : Attribute + { + public ColumnAttribute() { } + public ColumnAttribute(string name) { Name = name; } + public string Name { get; set; } + } + + // For explicit pocos, marks property as a column + [AttributeUsage(AttributeTargets.Property)] + public class ResultColumnAttribute : ColumnAttribute + { + public ResultColumnAttribute() { } + public ResultColumnAttribute(string name) : base(name) { } + } + + // Specify the table name of a poco + [AttributeUsage(AttributeTargets.Class)] + public class TableNameAttribute : Attribute + { + public TableNameAttribute(string tableName) + { + Value = tableName; + } + public string Value { get; private set; } + } + + // Specific the primary key of a poco class (and optional sequence name for Oracle) + [AttributeUsage(AttributeTargets.Class)] + public class PrimaryKeyAttribute : Attribute + { + public PrimaryKeyAttribute(string primaryKey) + { + Value = primaryKey; + autoIncrement = true; + } + + public string Value { get; private set; } + public string sequenceName { get; set; } + public bool autoIncrement { get; set; } + } + + [AttributeUsage(AttributeTargets.Property)] + public class AutoJoinAttribute : Attribute + { + public AutoJoinAttribute() { } + } + + [AttributeUsage(AttributeTargets.Property)] + public class VersionColumnAttribute : ColumnAttribute + { + public VersionColumnAttribute() { } + public VersionColumnAttribute(string name) : base(name) { } + } + + // Results from paged request + public class Page + { + public long CurrentPage { get; set; } + public long TotalPages { get; set; } + public long TotalItems { get; set; } + public long ItemsPerPage { get; set; } + public List Items { get; set; } + public object Context { get; set; } + } + + // Pass as parameter value to force to DBType.AnsiString + public class AnsiString + { + public AnsiString(string str) + { + Value = str; + } + public string Value { get; private set; } + } + + // Used by IMapper to override table bindings for an object + public class TableInfo + { + public string TableName { get; set; } + public string PrimaryKey { get; set; } + public bool AutoIncrement { get; set; } + public string SequenceName { get; set; } + } + + // Optionally provide an implementation of this to Database.Mapper + public interface IMapper + { + void GetTableInfo(Type t, TableInfo ti); + bool MapPropertyToColumn(PropertyInfo pi, ref string columnName, ref bool resultColumn); + Func GetFromDbConverter(PropertyInfo pi, Type SourceType); + Func GetToDbConverter(Type SourceType); + } + + // This will be merged with IMapper in the next major version + public interface IMapper2 : IMapper + { + Func GetFromDbConverter(Type DestType, Type SourceType); + } + + public abstract class DefaultMapper : IMapper2 + { + public virtual void GetTableInfo(Type t, TableInfo ti) { } + public virtual bool MapPropertyToColumn(PropertyInfo pi, ref string columnName, ref bool resultColumn) + { + return true; + } + public virtual Func GetFromDbConverter(PropertyInfo pi, Type SourceType) + { + return GetFromDbConverter(pi.PropertyType, SourceType); + } + public virtual Func GetToDbConverter(Type SourceType) + { + return null; + } + public virtual Func GetFromDbConverter(Type DestType, Type SourceType) + { + return null; + } + } + + public interface IDatabaseQuery + { + void OpenSharedConnection(); + void CloseSharedConnection(); + int Execute(string sql, params object[] args); + int Execute(Sql sql); + T ExecuteScalar(string sql, params object[] args); + T ExecuteScalar(Sql sql); + List Fetch(); + List Fetch(string sql, params object[] args); + List Fetch(Sql sql); + List Fetch(long page, long itemsPerPage, string sql, params object[] args); + List Fetch(long page, long itemsPerPage, Sql sql); + Page Page(long page, long itemsPerPage, string sql, params object[] args); + Page Page(long page, long itemsPerPage, Sql sql); + List SkipTake(long skip, long take, string sql, params object[] args); + List SkipTake(long skip, long take, Sql sql); + List Fetch(Func cb, string sql, params object[] args); + List Fetch(Func cb, string sql, params object[] args); + List Fetch(Func cb, string sql, params object[] args); + IEnumerable Query(Func cb, string sql, params object[] args); + IEnumerable Query(Func cb, string sql, params object[] args); + IEnumerable Query(Func cb, string sql, params object[] args); + List Fetch(Func cb, Sql sql); + List Fetch(Func cb, Sql sql); + List Fetch(Func cb, Sql sql); + IEnumerable Query(Func cb, Sql sql); + IEnumerable Query(Func cb, Sql sql); + IEnumerable Query(Func cb, Sql sql); + List Fetch(string sql, params object[] args); + List Fetch(string sql, params object[] args); + List Fetch(string sql, params object[] args); + IEnumerable Query(string sql, params object[] args); + IEnumerable Query(string sql, params object[] args); + IEnumerable Query(string sql, params object[] args); + IEnumerable Query(Type[] types, object cb, string sql, params object[] args); + List Fetch(Sql sql); + List Fetch(Sql sql); + List Fetch(Sql sql); + IEnumerable Query(Sql sql); + IEnumerable Query(Sql sql); + IEnumerable Query(Sql sql); + IEnumerable Query(string sql, params object[] args); + IEnumerable Query(Sql sql); + T SingleById(object primaryKey); + T SingleOrDefaultById(object primaryKey); + T Single(string sql, params object[] args); + T SingleInto(T instance, string sql, params object[] args); + T SingleOrDefault(string sql, params object[] args); + T SingleOrDefaultInto(T instance, string sql, params object[] args); + T First(string sql, params object[] args); + T FirstInto(T instance, string sql, params object[] args); + T FirstOrDefault(string sql, params object[] args); + T FirstOrDefaultInto(T instance, string sql, params object[] args); + T Single(Sql sql); + T SingleInto(T instance, Sql sql); + T SingleOrDefault(Sql sql); + T SingleOrDefaultInto(T instance, Sql sql); + T First(Sql sql); + T FirstInto(T instance, Sql sql); + T FirstOrDefault(Sql sql); + T FirstOrDefaultInto(T instance, Sql sql); + Dictionary Dictionary(Sql Sql); + Dictionary Dictionary(string sql, params object[] args); + bool Exists(object primaryKey); + int OneTimeCommandTimeout { get; set; } + + TRet FetchMultiple(Func, List, TRet> cb, string sql, params object[] args); + TRet FetchMultiple(Func, List, List, TRet> cb, string sql, params object[] args); + TRet FetchMultiple(Func, List, List, List, TRet> cb, string sql, params object[] args); + TRet FetchMultiple(Func, List, TRet> cb, Sql sql); + TRet FetchMultiple(Func, List, List, TRet> cb, Sql sql); + TRet FetchMultiple(Func, List, List, List, TRet> cb, Sql sql); +#if PETAPOCO_NO_DYNAMIC + Database.Tuple, List> FetchMultiple(string sql, params object[] args); + Database.Tuple, List, List> FetchMultiple(string sql, params object[] args); + Database.Tuple, List, List, List> FetchMultiple(string sql, params object[] args); + Database.Tuple, List> FetchMultiple (Sql sql); + Database.Tuple, List, List> FetchMultiple (Sql sql); + Database.Tuple, List, List, List> FetchMultiple (Sql sql); +#else + Tuple, List> FetchMultiple(string sql, params object[] args); + Tuple, List, List> FetchMultiple(string sql, params object[] args); + Tuple, List, List, List> FetchMultiple(string sql, params object[] args); + Tuple, List> FetchMultiple(Sql sql); + Tuple, List, List> FetchMultiple(Sql sql); + Tuple, List, List, List> FetchMultiple(Sql sql); +#endif + } + + public interface IDatabase : IDatabaseQuery + { + void Dispose(); + IDbConnection Connection { get; } + IDbTransaction Transaction { get; } + IDataParameter CreateParameter(); + Transaction GetTransaction(); + Transaction GetTransaction(IsolationLevel? isolationLevel); + void BeginTransaction(); + void BeginTransaction(IsolationLevel? isolationLevel); + void AbortTransaction(); + void CompleteTransaction(); + object Insert(string tableName, string primaryKeyName, bool autoIncrement, object poco); + object Insert(string tableName, string primaryKeyName, object poco); + object Insert(object poco); + int Update(string tableName, string primaryKeyName, object poco, object primaryKeyValue); + int Update(string tableName, string primaryKeyName, object poco); + int Update(string tableName, string primaryKeyName, object poco, object primaryKeyValue, IEnumerable columns); + int Update(string tableName, string primaryKeyName, object poco, IEnumerable columns); + int Update(object poco, IEnumerable columns); + int Update(object poco, object primaryKeyValue, IEnumerable columns); + int Update(object poco); + int Update(object poco, object primaryKeyValue); + int Update(string sql, params object[] args); + int Update(Sql sql); + int Delete(string tableName, string primaryKeyName, object poco); + int Delete(string tableName, string primaryKeyName, object poco, object primaryKeyValue); + int Delete(object poco); + int Delete(string sql, params object[] args); + int Delete(Sql sql); + int Delete(object pocoOrPrimaryKey); + void Save(string tableName, string primaryKeyName, object poco); + void Save(object poco); + } + + // Database class ... this is where most of the action happens + public class Database : IDisposable, IDatabase + { + public const string MsSqlClientProvider = "System.Data.SqlClient"; + + public Database(IDbConnection connection) : this(connection, DBType.NotSet) { } + + public Database(IDbConnection connection, DBType dbType) + { + _sharedConnection = connection; + _connectionString = connection.ConnectionString; + _sharedConnectionDepth = 2; // Prevent closing external connection + _dbType = dbType; + CommonConstruct(); + } + + public Database(string connectionString, string providerName) + { + _connectionString = connectionString; + _providerName = providerName; + CommonConstruct(); + } + + public Database(string connectionString, DbProviderFactory provider) + { + _connectionString = connectionString; + _factory = provider; + CommonConstruct(); + } + + public Database(string connectionStringName) + { + // Use first? + if (connectionStringName == "") + connectionStringName = ConfigurationManager.ConnectionStrings[0].Name; + + // Work out connection string and provider name + var providerName = "System.Data.SqlClient"; + if (ConfigurationManager.ConnectionStrings[connectionStringName] != null) + { + if (!string.IsNullOrEmpty(ConfigurationManager.ConnectionStrings[connectionStringName].ProviderName)) + providerName = ConfigurationManager.ConnectionStrings[connectionStringName].ProviderName; + } + else + { + throw new InvalidOperationException("Can't find a connection string with the name '" + connectionStringName + "'"); + } + + // Store factory and connection string + _connectionString = ConfigurationManager.ConnectionStrings[connectionStringName].ConnectionString; + _providerName = providerName; + CommonConstruct(); + } + + public enum DBType + { + NotSet, + SqlServer, + SqlServerCE, + MySql, + PostgreSQL, + Oracle, + SQLite + } + + protected DBType _dbType = DBType.NotSet; + + // Common initialization + private void CommonConstruct() + { + _transactionDepth = 0; + ForceDateTimesToUtc = true; + EnableAutoSelect = true; + + if (_providerName != null) + _factory = DbProviderFactories.GetFactory(_providerName); + + if (_dbType == DBType.NotSet) + { + _dbType = DBType.SqlServer; + string dbtype = (_factory == null ? _sharedConnection.GetType() : _factory.GetType()).Name; + if (dbtype.StartsWith("MySql")) + _dbType = DBType.MySql; + else if (dbtype.StartsWith("SqlCe")) + _dbType = DBType.SqlServerCE; + else if (dbtype.StartsWith("Npgsql")) + _dbType = DBType.PostgreSQL; + else if (dbtype.StartsWith("Oracle")) + _dbType = DBType.Oracle; + else if (dbtype.StartsWith("SQLite")) + _dbType = DBType.SQLite; + } + + if (_dbType == DBType.MySql && _connectionString != null && _connectionString.IndexOf("Allow User Variables=true") >= 0) + _paramPrefix = "?"; + if (_dbType == DBType.Oracle) + _paramPrefix = ":"; + } + + // Automatically close one open shared connection + public void Dispose() + { + // Automatically close one open connection reference + // (Works with KeepConnectionAlive and manually opening a shared connection) + CloseSharedConnection(); + } + + // Set to true to keep the first opened connection alive until this object is disposed + public bool KeepConnectionAlive { get; set; } + + // Open a connection (can be nested) + public void OpenSharedConnection() + { + if (_sharedConnectionDepth == 0) + { + _sharedConnection = _factory.CreateConnection(); + _sharedConnection.ConnectionString = _connectionString; + + if (_sharedConnection.State == ConnectionState.Broken) + _sharedConnection.Close(); + if (_sharedConnection.State == ConnectionState.Closed) + _sharedConnection.Open(); + + _sharedConnection = OnConnectionOpened(_sharedConnection); + + if (KeepConnectionAlive) + _sharedConnectionDepth++; // Make sure you call Dispose + } + _sharedConnectionDepth++; + } + + // Close a previously opened connection + public void CloseSharedConnection() + { + if (_sharedConnectionDepth > 0) + { + _sharedConnectionDepth--; + if (_sharedConnectionDepth == 0) + { + OnConnectionClosing(_sharedConnection); + _sharedConnection.Dispose(); + _sharedConnection = null; + } + } + } + + public VersionExceptionHandling VersionException + { + get { return _versionException; } + set { _versionException = value; } + } + + // Access to our shared connection + public IDbConnection Connection + { + get { return _sharedConnection; } + } + + public IDbTransaction Transaction + { + get { return _transaction; } + } + + public IDataParameter CreateParameter() + { + using (var conn = _sharedConnection ?? _factory.CreateConnection()) + using (var comm = conn.CreateCommand()) + return comm.CreateParameter(); + } + + // Helper to create a transaction scope + public Transaction GetTransaction() + { + return GetTransaction(null); + } + + public Transaction GetTransaction(IsolationLevel? isolationLevel) + { + return new Transaction(this, isolationLevel); + } + + // Use by derived repo generated by T4 templates + public virtual void OnBeginTransaction() { } + public virtual void OnEndTransaction() { } + + public void BeginTransaction() + { + BeginTransaction(null); + } + + // Start a new transaction, can be nested, every call must be + // matched by a call to AbortTransaction or CompleteTransaction + // Use `using (var scope=db.Transaction) { scope.Complete(); }` to ensure correct semantics + public void BeginTransaction(IsolationLevel? isolationLevel) + { + _transactionDepth++; + + if (_transactionDepth == 1) + { + OpenSharedConnection(); + _transaction = isolationLevel == null ? _sharedConnection.BeginTransaction() : _sharedConnection.BeginTransaction(isolationLevel.Value); + _transactionCancelled = false; + OnBeginTransaction(); + } + + } + + // Internal helper to cleanup transaction stuff + void CleanupTransaction() + { + OnEndTransaction(); + + if (_transactionCancelled) + _transaction.Rollback(); + else + _transaction.Commit(); + + _transaction.Dispose(); + _transaction = null; + + CloseSharedConnection(); + } + + // Abort the entire outer most transaction scope + public void AbortTransaction() + { + _transactionCancelled = true; + if ((--_transactionDepth) == 0) + CleanupTransaction(); + } + + // Complete the transaction + public void CompleteTransaction() + { + if ((--_transactionDepth) == 0) + CleanupTransaction(); + } + + // Helper to handle named parameters from object properties + static Regex rxParams = new Regex(@"(? args_dest) + { + return rxParams.Replace(_sql, m => + { + string param = m.Value.Substring(1); + + object arg_val; + + int paramIndex; + if (int.TryParse(param, out paramIndex)) + { + // Numbered parameter + if (paramIndex < 0 || paramIndex >= args_src.Length) + throw new ArgumentOutOfRangeException(string.Format("Parameter '@{0}' specified but only {1} parameters supplied (in `{2}`)", paramIndex, args_src.Length, _sql)); + arg_val = args_src[paramIndex]; + } + else + { + // Look for a property on one of the arguments with this name + bool found = false; + arg_val = null; + foreach (var o in args_src) + { + var pi = o.GetType().GetProperty(param); + if (pi != null) + { + arg_val = pi.GetValue(o, null); + found = true; + break; + } + } + + if (!found) + throw new ArgumentException(string.Format("Parameter '@{0}' specified but none of the passed arguments have a property with this name (in '{1}')", param, _sql)); + } + + // Expand collections to parameter lists + if ((arg_val as System.Collections.IEnumerable) != null && + (arg_val as string) == null && + (arg_val as byte[]) == null) + { + var sb = new StringBuilder(); + foreach (var i in arg_val as System.Collections.IEnumerable) + { + var indexOfExistingValue = args_dest.IndexOf(i); + if (indexOfExistingValue >= 0) + { + sb.Append((sb.Length == 0 ? "@" : ",@") + indexOfExistingValue); + } + else + { + sb.Append((sb.Length == 0 ? "@" : ",@") + args_dest.Count); + args_dest.Add(i); + } + } + if (sb.Length == 0) + { + sb.AppendFormat("select 1 /*peta_dual*/ where 1 = 0"); + } + return sb.ToString(); + } + else + { + var indexOfExistingValue = args_dest.IndexOf(arg_val); + if (indexOfExistingValue >= 0) + return "@" + indexOfExistingValue; + + args_dest.Add(arg_val); + return "@" + (args_dest.Count - 1).ToString(); + } + } + ); + } + + // Add a parameter to a DB command + void AddParam(IDbCommand cmd, object item, string ParameterPrefix) + { + // Convert value to from poco type to db type + if (Database.Mapper != null && item != null) + { + var fn = Database.Mapper.GetToDbConverter(item.GetType()); + if (fn != null) + item = fn(item); + } + + // Support passed in parameters + var idbParam = item as IDbDataParameter; + if (idbParam != null) + { + idbParam.ParameterName = string.Format("{0}{1}", ParameterPrefix, cmd.Parameters.Count); + cmd.Parameters.Add(idbParam); + return; + } + var p = cmd.CreateParameter(); + p.ParameterName = string.Format("{0}{1}", ParameterPrefix, cmd.Parameters.Count); + + if (item == null) + { + p.Value = DBNull.Value; + } + else + { + var t = item.GetType(); + if (t.IsEnum) // PostgreSQL .NET driver wont cast enum to int + { + p.Value = (int)item; + } + else if (t == typeof(Guid)) + { + p.Value = item.ToString(); + p.DbType = DbType.String; + p.Size = 40; + } + else if (t == typeof(string)) + { + p.Size = Math.Max((item as string).Length + 1, 4000); // Help query plan caching by using common size + p.Value = item; + } + else if (t == typeof(AnsiString)) + { + // Thanks @DataChomp for pointing out the SQL Server indexing performance hit of using wrong string type on varchar + p.Size = Math.Max((item as AnsiString).Value.Length + 1, 4000); + p.Value = (item as AnsiString).Value; + p.DbType = DbType.AnsiString; + } + else if (t == typeof(bool) && _dbType != DBType.PostgreSQL) + { + p.Value = ((bool)item) ? 1 : 0; + } + else if (item.GetType().Name == "SqlGeography") //SqlGeography is a CLR Type + { + p.GetType().GetProperty("UdtTypeName").SetValue(p, "geography", null); //geography is the equivalent SQL Server Type + p.Value = item; + } + + else if (item.GetType().Name == "SqlGeometry") //SqlGeometry is a CLR Type + { + p.GetType().GetProperty("UdtTypeName").SetValue(p, "geometry", null); //geography is the equivalent SQL Server Type + p.Value = item; + } + else + { + p.Value = item; + } + } + + cmd.Parameters.Add(p); + } + + // Create a command + static Regex rxParamsPrefix = new Regex(@"(? _paramPrefix + m.Value.Substring(1)); + sql = sql.Replace("@@", "@"); // <- double @@ escapes a single @ + + // Create the command and add parameters + IDbCommand cmd = connection.CreateCommand(); + cmd.Connection = connection; + cmd.CommandText = sql; + cmd.Transaction = _transaction; + + foreach (var item in args) + { + AddParam(cmd, item, _paramPrefix); + } + + if (_dbType == DBType.Oracle) + cmd.GetType().GetProperty("BindByName").SetValue(cmd, true, null); + + if (_dbType == DBType.Oracle || _dbType == DBType.MySql) + cmd.CommandText = cmd.CommandText.Replace("/*peta_dual*/", "from dual"); + + if (!String.IsNullOrEmpty(sql)) + DoPreExecute(cmd); + + return cmd; + } + + // Override this to log/capture exceptions + public virtual void OnException(Exception x) + { + System.Diagnostics.Debug.WriteLine(x.ToString()); + System.Diagnostics.Debug.WriteLine(LastCommand); + } + + // Override this to log commands, or modify command before execution + public virtual IDbConnection OnConnectionOpened(IDbConnection conn) { return conn; } + public virtual void OnConnectionClosing(IDbConnection conn) { } + public virtual void OnExecutingCommand(IDbCommand cmd) { } + public virtual void OnExecutedCommand(IDbCommand cmd) { } + + // Execute a non-query command + public int Execute(string sql, params object[] args) + { + return Execute(new Sql(sql, args)); + } + + public int Execute(Sql Sql) + { + var sql = Sql.SQL; + var args = Sql.Arguments; + + try + { + OpenSharedConnection(); + try + { + using (var cmd = CreateCommand(_sharedConnection, sql, args)) + { + var result = cmd.ExecuteNonQuery(); + OnExecutedCommand(cmd); + return result; + } + } + finally + { + CloseSharedConnection(); + } + } + catch (Exception x) + { + OnException(x); + throw; + } + } + + // Execute and cast a scalar property + public T ExecuteScalar(string sql, params object[] args) + { + return ExecuteScalar(new Sql(sql, args)); + } + + public T ExecuteScalar(Sql Sql) + { + var sql = Sql.SQL; + var args = Sql.Arguments; + + try + { + OpenSharedConnection(); + try + { + using (var cmd = CreateCommand(_sharedConnection, sql, args)) + { + object val = cmd.ExecuteScalar(); + OnExecutedCommand(cmd); + + Type t = typeof(T); + Type u = Nullable.GetUnderlyingType(t); + if (u != null) + { + if (val == null || val == DBNull.Value) + return default(T); + return (T)Convert.ChangeType(val, u); + } + else + { + return (T)Convert.ChangeType(val, t); + } + } + } + finally + { + CloseSharedConnection(); + } + } + catch (Exception x) + { + OnException(x); + throw; + } + } + + static Regex rxSelect = new Regex(@"\A\s*(SELECT|EXECUTE|CALL|EXEC)\s", RegexOptions.Compiled | RegexOptions.Singleline | RegexOptions.IgnoreCase | RegexOptions.Multiline); + static Regex rxFrom = new Regex(@"\A\s*FROM\s", RegexOptions.Compiled | RegexOptions.Singleline | RegexOptions.IgnoreCase | RegexOptions.Multiline); + string AddSelectClause(string sql) + { + if (sql.StartsWith(";")) + return sql.Substring(1); + + if (!rxSelect.IsMatch(sql)) + { + var pd = PocoData.ForType(typeof(T)); + var tableName = EscapeTableName(pd.TableInfo.TableName); + string cols = string.Join(", ", (from c in pd.QueryColumns select EscapeSqlIdentifier(c)).ToArray()); + if (!rxFrom.IsMatch(sql)) + sql = string.Format("SELECT {0} FROM {1} {2}", cols, tableName, sql); + else + sql = string.Format("SELECT {0} {1}", cols, sql); + } + return sql; + } + + public bool ForceDateTimesToUtc { get; set; } + public bool EnableAutoSelect { get; set; } + + // Return a typed list of pocos + public List Fetch(string sql, params object[] args) + { + return Fetch(new Sql(sql, args)); + } + + public List Fetch(Sql sql) + { + return Query(sql).ToList(); + } + + public List Fetch() + { + return Fetch(""); + } + + static Regex rxColumns = new Regex(@"\A\s*SELECT\s+((?:\((?>\((?)|\)(?<-depth>)|.?)*(?(depth)(?!))\)|.)*?)(?\((?)|\)(?<-depth>)|.?)*(?(depth)(?!))\)|[\w\(\)\.])+(?:\s+(?:ASC|DESC))?(?:\s*,\s*(?:\((?>\((?)|\)(?<-depth>)|.?)*(?(depth)(?!))\)|[\w\(\)\.])+(?:\s+(?:ASC|DESC))?)*", RegexOptions.RightToLeft | RegexOptions.IgnoreCase | RegexOptions.Multiline | RegexOptions.Singleline | RegexOptions.Compiled); + static Regex rxDistinct = new Regex(@"\ADISTINCT\s", RegexOptions.IgnoreCase | RegexOptions.Multiline | RegexOptions.Singleline | RegexOptions.Compiled); + public static bool SplitSqlForPaging(string sql, out string sqlCount, out string sqlSelectRemoved, out string sqlOrderBy) + { + sqlSelectRemoved = null; + sqlCount = null; + sqlOrderBy = null; + + // Extract the columns from "SELECT FROM" + var m = rxColumns.Match(sql); + if (!m.Success) + return false; + + // Save column list and replace with COUNT(*) + Group g = m.Groups[1]; + sqlSelectRemoved = sql.Substring(g.Index); + + if (rxDistinct.IsMatch(sqlSelectRemoved)) + sqlCount = sql.Substring(0, g.Index) + "COUNT(" + m.Groups[1].ToString().Trim() + ") " + sql.Substring(g.Index + g.Length); + else + sqlCount = sql.Substring(0, g.Index) + "COUNT(*) " + sql.Substring(g.Index + g.Length); + + // Look for an "ORDER BY " clause + m = rxOrderBy.Match(sqlCount); + if (m.Success) + { + g = m.Groups[0]; + sqlOrderBy = g.ToString(); + sqlCount = sqlCount.Substring(0, g.Index) + sqlCount.Substring(g.Index + g.Length); + } + + return true; + } + + public void BuildPageQueries(long skip, long take, string sql, ref object[] args, out string sqlCount, out string sqlPage) + { + // Add auto select clause + sql = AddSelectClause(sql); + + // Split the SQL into the bits we need + string sqlSelectRemoved, sqlOrderBy; + if (!SplitSqlForPaging(sql, out sqlCount, out sqlSelectRemoved, out sqlOrderBy)) + throw new Exception("Unable to parse SQL statement for paged query"); + if (_dbType == DBType.Oracle && sqlSelectRemoved.StartsWith("*")) + throw new Exception("Query must alias '*' when performing a paged query.\neg. select t.* from table t order by t.id"); + + // Build the SQL for the actual final result + if (_dbType == DBType.SqlServer || _dbType == DBType.Oracle) + { + sqlSelectRemoved = rxOrderBy.Replace(sqlSelectRemoved, ""); + if (rxDistinct.IsMatch(sqlSelectRemoved)) + { + sqlSelectRemoved = "peta_inner.* FROM (SELECT " + sqlSelectRemoved + ") peta_inner"; + } + sqlPage = string.Format("SELECT * FROM (SELECT ROW_NUMBER() OVER ({0}) peta_rn, {1}) peta_paged WHERE peta_rn>@{2} AND peta_rn<=@{3}", + sqlOrderBy == null ? "ORDER BY (SELECT NULL /*peta_dual*/)" : sqlOrderBy, sqlSelectRemoved, args.Length, args.Length + 1); + args = args.Concat(new object[] { skip, skip + take }).ToArray(); + } + else if (_dbType == DBType.SqlServerCE) + { + sqlPage = string.Format("{0}\nOFFSET @{1} ROWS FETCH NEXT @{2} ROWS ONLY", sql, args.Length, args.Length + 1); + args = args.Concat(new object[] { skip, take }).ToArray(); + } + else + { + sqlPage = string.Format("{0}\nLIMIT @{1} OFFSET @{2}", sql, args.Length, args.Length + 1); + args = args.Concat(new object[] { take, skip }).ToArray(); + } + + } + + // Fetch a page + public Page Page(long page, long itemsPerPage, string sql, params object[] args) + { + string sqlCount, sqlPage; + BuildPageQueries((page - 1) * itemsPerPage, itemsPerPage, sql, ref args, out sqlCount, out sqlPage); + + // Save the one-time command time out and use it for both queries + int saveTimeout = OneTimeCommandTimeout; + + // Setup the paged result + var result = new Page(); + result.CurrentPage = page; + result.ItemsPerPage = itemsPerPage; + result.TotalItems = ExecuteScalar(sqlCount, args); + result.TotalPages = result.TotalItems / itemsPerPage; + if ((result.TotalItems % itemsPerPage) != 0) + result.TotalPages++; + + OneTimeCommandTimeout = saveTimeout; + + // Get the records + result.Items = Fetch(sqlPage, args); + + // Done + return result; + } + + public Page Page(long page, long itemsPerPage, Sql sql) + { + return Page(page, itemsPerPage, sql.SQL, sql.Arguments); + } + + public List Fetch(long page, long itemsPerPage, string sql, params object[] args) + { + return SkipTake((page - 1) * itemsPerPage, itemsPerPage, sql, args); + } + + public List Fetch(long page, long itemsPerPage, Sql sql) + { + return SkipTake((page - 1) * itemsPerPage, itemsPerPage, sql.SQL, sql.Arguments); + } + + public List SkipTake(long skip, long take, string sql, params object[] args) + { + string sqlCount, sqlPage; + BuildPageQueries(skip, take, sql, ref args, out sqlCount, out sqlPage); + return Fetch(sqlPage, args); + } + + public List SkipTake(long skip, long take, Sql sql) + { + return SkipTake(skip, take, sql.SQL, sql.Arguments); + } + + public Dictionary Dictionary(Sql Sql) + { + return Dictionary(Sql.SQL, Sql.Arguments); + } + + public Dictionary Dictionary(string sql, params object[] args) + { + var newDict = new Dictionary(); + bool isConverterSet = false; + Func converter1 = x => x, converter2 = x => x; + + foreach (var line in Query>(sql, args)) + { + object key = line.ElementAt(0).Value; + object value = line.ElementAt(1).Value; + + if (isConverterSet == false) + { + converter1 = PocoData.GetConverter(ForceDateTimesToUtc, null, typeof(TKey), key.GetType()) ?? (x => x); + converter2 = PocoData.GetConverter(ForceDateTimesToUtc, null, typeof(TValue), value.GetType()) ?? (x => x); + isConverterSet = true; + } + + var keyConverted = (TKey)Convert.ChangeType(converter1(key), typeof(TKey)); + + var valueType = Nullable.GetUnderlyingType(typeof(TValue)) ?? typeof(TValue); + var valConv = converter2(value); + var valConverted = valConv != null ? (TValue)Convert.ChangeType(valConv, valueType) : default(TValue); + + if (keyConverted != null) + { + newDict.Add(keyConverted, valConverted); + } + } + return newDict; + } + + // Return an enumerable collection of pocos + public IEnumerable Query(string sql, params object[] args) + { + return Query(new Sql(sql, args)); + } + + public IEnumerable Query(Sql Sql) + { + return Query(default(T), Sql); + } + + private IEnumerable Query(T instance, Sql Sql) + { + var sql = Sql.SQL; + var args = Sql.Arguments; + + if (EnableAutoSelect) + sql = AddSelectClause(sql); + + OpenSharedConnection(); + try + { + using (var cmd = CreateCommand(_sharedConnection, sql, args)) + { + IDataReader r; + var pd = PocoData.ForType(typeof(T)); + try + { + r = cmd.ExecuteReader(); + OnExecutedCommand(cmd); + } + catch (Exception x) + { + OnException(x); + throw; + } + + using (r) + { + var factory = pd.GetFactory(cmd.CommandText, _sharedConnection.ConnectionString, ForceDateTimesToUtc, 0, r.FieldCount, r, instance) as Func; + while (true) + { + T poco; + try + { + if (!r.Read()) + yield break; + poco = factory(r, instance); + } + catch (Exception x) + { + OnException(x); + throw; + } + + yield return poco; + } + } + } + } + finally + { + CloseSharedConnection(); + } + } + + // Multi Fetch + public List Fetch(Func cb, string sql, params object[] args) { return Query(cb, sql, args).ToList(); } + public List Fetch(Func cb, string sql, params object[] args) { return Query(cb, sql, args).ToList(); } + public List Fetch(Func cb, string sql, params object[] args) { return Query(cb, sql, args).ToList(); } + + // Multi Query + public IEnumerable Query(Func cb, string sql, params object[] args) { return Query(new Type[] { typeof(T1), typeof(T2) }, cb, sql, args); } + public IEnumerable Query(Func cb, string sql, params object[] args) { return Query(new Type[] { typeof(T1), typeof(T2), typeof(T3) }, cb, sql, args); } + public IEnumerable Query(Func cb, string sql, params object[] args) { return Query(new Type[] { typeof(T1), typeof(T2), typeof(T3), typeof(T4) }, cb, sql, args); } + + // Multi Fetch (SQL builder) + public List Fetch(Func cb, Sql sql) { return Query(cb, sql.SQL, sql.Arguments).ToList(); } + public List Fetch(Func cb, Sql sql) { return Query(cb, sql.SQL, sql.Arguments).ToList(); } + public List Fetch(Func cb, Sql sql) { return Query(cb, sql.SQL, sql.Arguments).ToList(); } + + // Multi Query (SQL builder) + public IEnumerable Query(Func cb, Sql sql) { return Query(new Type[] { typeof(T1), typeof(T2) }, cb, sql.SQL, sql.Arguments); } + public IEnumerable Query(Func cb, Sql sql) { return Query(new Type[] { typeof(T1), typeof(T2), typeof(T3) }, cb, sql.SQL, sql.Arguments); } + public IEnumerable Query(Func cb, Sql sql) { return Query(new Type[] { typeof(T1), typeof(T2), typeof(T3), typeof(T4) }, cb, sql.SQL, sql.Arguments); } + + // Multi Fetch (Simple) + public List Fetch(string sql, params object[] args) { return Query(sql, args).ToList(); } + public List Fetch(string sql, params object[] args) { return Query(sql, args).ToList(); } + public List Fetch(string sql, params object[] args) { return Query(sql, args).ToList(); } + + // Multi Query (Simple) + public IEnumerable Query(string sql, params object[] args) { return Query(new Type[] { typeof(T1), typeof(T2) }, null, sql, args); } + public IEnumerable Query(string sql, params object[] args) { return Query(new Type[] { typeof(T1), typeof(T2), typeof(T3) }, null, sql, args); } + public IEnumerable Query(string sql, params object[] args) { return Query(new Type[] { typeof(T1), typeof(T2), typeof(T3), typeof(T4) }, null, sql, args); } + + // Multi Fetch (Simple) (SQL builder) + public List Fetch(Sql sql) { return Query(sql.SQL, sql.Arguments).ToList(); } + public List Fetch(Sql sql) { return Query(sql.SQL, sql.Arguments).ToList(); } + public List Fetch(Sql sql) { return Query(sql.SQL, sql.Arguments).ToList(); } + + // Multi Query (Simple) (SQL builder) + public IEnumerable Query(Sql sql) { return Query(new Type[] { typeof(T1), typeof(T2) }, null, sql.SQL, sql.Arguments); } + public IEnumerable Query(Sql sql) { return Query(new Type[] { typeof(T1), typeof(T2), typeof(T3) }, null, sql.SQL, sql.Arguments); } + public IEnumerable Query(Sql sql) { return Query(new Type[] { typeof(T1), typeof(T2), typeof(T3), typeof(T4) }, null, sql.SQL, sql.Arguments); } + + // Automagically guess the property relationships between various POCOs and create a delegate that will set them up + object GetAutoMapper(Type[] types) + { + // Build a key + var kb = new StringBuilder(); + foreach (var t in types) + { + kb.Append(t.ToString()); + kb.Append(":"); + } + var key = kb.ToString(); + + // Check cache + RWLock.EnterReadLock(); + try + { + object mapper; + if (AutoMappers.TryGetValue(key, out mapper)) + return mapper; + } + finally + { + RWLock.ExitReadLock(); + } + + // Create it + RWLock.EnterWriteLock(); + try + { + // Try again + object mapper; + if (AutoMappers.TryGetValue(key, out mapper)) + return mapper; + + // Create a method + var m = new DynamicMethod("petapoco_automapper", types[0], types, true); + var il = m.GetILGenerator(); + + for (int i = 1; i < types.Length; i++) + { + bool handled = false; + for (int j = i - 1; j >= 0; j--) + { + // Find the property + var candidates = from p in types[j].GetProperties() where p.PropertyType == types[i] select p; + if (candidates.Count() == 0) + continue; + if (candidates.Count() > 1) + throw new InvalidOperationException(string.Format("Can't auto join {0} as {1} has more than one property of type {0}", types[i], types[j])); + + // Generate code + il.Emit(OpCodes.Ldarg_S, j); + il.Emit(OpCodes.Ldarg_S, i); + il.Emit(OpCodes.Callvirt, candidates.First().GetSetMethod(true)); + handled = true; + } + + if (!handled) + throw new InvalidOperationException(string.Format("Can't auto join {0}", types[i])); + } + + il.Emit(OpCodes.Ldarg_0); + il.Emit(OpCodes.Ret); + + // Cache it + var del = m.CreateDelegate(Expression.GetFuncType(types.Concat(types.Take(1)).ToArray())); + AutoMappers.Add(key, del); + return del; + } + finally + { + RWLock.ExitWriteLock(); + } + } + + // Find the split point in a result set for two different pocos and return the poco factory for the first + Delegate FindSplitPoint(Type typeThis, Type typeNext, string sql, IDataReader r, ref int pos) + { + // Last? + if (typeNext == null) + return PocoData.ForType(typeThis).GetFactory(sql, _sharedConnection.ConnectionString, ForceDateTimesToUtc, pos, r.FieldCount - pos, r, null); + + // Get PocoData for the two types + PocoData pdThis = PocoData.ForType(typeThis); + PocoData pdNext = PocoData.ForType(typeNext); + + // Find split point + int firstColumn = pos; + var usedColumns = new Dictionary(); + for (; pos < r.FieldCount; pos++) + { + // Split if field name has already been used, or if the field doesn't exist in current poco but does in the next + string fieldName = r.GetName(pos); + if (usedColumns.ContainsKey(fieldName) || (!pdThis.Columns.ContainsKey(fieldName) && pdNext.Columns.ContainsKey(fieldName))) + { + return pdThis.GetFactory(sql, _sharedConnection.ConnectionString, ForceDateTimesToUtc, firstColumn, pos - firstColumn, r, null); + } + usedColumns.Add(fieldName, true); + } + + throw new InvalidOperationException(string.Format("Couldn't find split point between {0} and {1}", typeThis, typeNext)); + } + + // Instance data used by the Multipoco factory delegate - essentially a list of the nested poco factories to call + class MultiPocoFactory + { + public List m_Delegates; + public Delegate GetItem(int index) { return m_Delegates[index]; } + } + + // Create a multi-poco factory + Func CreateMultiPocoFactory(Type[] types, string sql, IDataReader r) + { + var m = new DynamicMethod("petapoco_multipoco_factory", typeof(TRet), new Type[] { typeof(MultiPocoFactory), typeof(IDataReader), typeof(object) }, typeof(MultiPocoFactory)); + var il = m.GetILGenerator(); + + // Load the callback + il.Emit(OpCodes.Ldarg_2); + + // Call each delegate + var dels = new List(); + int pos = 0; + for (int i = 0; i < types.Length; i++) + { + // Add to list of delegates to call + var del = FindSplitPoint(types[i], i + 1 < types.Length ? types[i + 1] : null, sql, r, ref pos); + dels.Add(del); + + // Get the delegate + il.Emit(OpCodes.Ldarg_0); // callback,this + il.Emit(OpCodes.Ldc_I4, i); // callback,this,Index + il.Emit(OpCodes.Callvirt, typeof(MultiPocoFactory).GetMethod("GetItem")); // callback,Delegate + il.Emit(OpCodes.Ldarg_1); // callback,delegate, datareader + il.Emit(OpCodes.Ldnull); // callback,delegate, datareader,null + + // Call Invoke + var tDelInvoke = del.GetType().GetMethod("Invoke"); + il.Emit(OpCodes.Callvirt, tDelInvoke); // Poco left on stack + } + + // By now we should have the callback and the N pocos all on the stack. Call the callback and we're done + il.Emit(OpCodes.Callvirt, Expression.GetFuncType(types.Concat(new Type[] { typeof(TRet) }).ToArray()).GetMethod("Invoke")); + il.Emit(OpCodes.Ret); + + // Finish up + return (Func)m.CreateDelegate(typeof(Func), new MultiPocoFactory() { m_Delegates = dels }); + } + + // Various cached stuff + static Dictionary MultiPocoFactories = new Dictionary(); + static Dictionary AutoMappers = new Dictionary(); + static System.Threading.ReaderWriterLockSlim RWLock = new System.Threading.ReaderWriterLockSlim(); + + // Get (or create) the multi-poco factory for a query + Func GetMultiPocoFactory(Type[] types, string sql, IDataReader r) + { + // Build a key string (this is crap, should address this at some point) + var kb = new StringBuilder(); + kb.Append(typeof(TRet).ToString()); + kb.Append(":"); + foreach (var t in types) + { + kb.Append(":"); + kb.Append(t.ToString()); + } + kb.Append(":"); kb.Append(_sharedConnection.ConnectionString); + kb.Append(":"); kb.Append(ForceDateTimesToUtc); + kb.Append(":"); kb.Append(sql); + string key = kb.ToString(); + + // Check cache + RWLock.EnterReadLock(); + try + { + object oFactory; + if (MultiPocoFactories.TryGetValue(key, out oFactory)) + return (Func)oFactory; + } + finally + { + RWLock.ExitReadLock(); + } + + // Cache it + RWLock.EnterWriteLock(); + try + { + // Check again + object oFactory; + if (MultiPocoFactories.TryGetValue(key, out oFactory)) + return (Func)oFactory; + + // Create the factory + var Factory = CreateMultiPocoFactory(types, sql, r); + + MultiPocoFactories.Add(key, Factory); + return Factory; + } + finally + { + RWLock.ExitWriteLock(); + } + + } + + // Actual implementation of the multi-poco query + public IEnumerable Query(Type[] types, object cb, string sql, params object[] args) + { + OpenSharedConnection(); + try + { + using (var cmd = CreateCommand(_sharedConnection, sql, args)) + { + IDataReader r; + try + { + r = cmd.ExecuteReader(); + OnExecutedCommand(cmd); + } + catch (Exception x) + { + OnException(x); + throw; + } + var factory = GetMultiPocoFactory(types, sql, r); + if (cb == null) + cb = GetAutoMapper(types.ToArray()); + bool bNeedTerminator = false; + using (r) + { + while (true) + { + TRet poco; + try + { + if (!r.Read()) + break; + poco = factory(r, cb); + } + catch (Exception x) + { + OnException(x); + throw; + } + + if (poco != null) + yield return poco; + else + bNeedTerminator = true; + } + if (bNeedTerminator) + { + var poco = (TRet)(cb as Delegate).DynamicInvoke(new object[types.Length]); + if (poco != null) + yield return poco; + else + yield break; + } + } + } + } + finally + { + CloseSharedConnection(); + } + } + + public TRet FetchMultiple(Func, List, TRet> cb, string sql, params object[] args) { return FetchMultiple(new[] { typeof(T1), typeof(T2) }, cb, new Sql(sql, args)); } + public TRet FetchMultiple(Func, List, List, TRet> cb, string sql, params object[] args) { return FetchMultiple(new[] { typeof(T1), typeof(T2), typeof(T3) }, cb, new Sql(sql, args)); } + public TRet FetchMultiple(Func, List, List, List, TRet> cb, string sql, params object[] args) { return FetchMultiple(new[] { typeof(T1), typeof(T2), typeof(T3), typeof(T4) }, cb, new Sql(sql, args)); } + public TRet FetchMultiple(Func, List, TRet> cb, Sql sql) { return FetchMultiple(new[] { typeof(T1), typeof(T2) }, cb, sql); } + public TRet FetchMultiple(Func, List, List, TRet> cb, Sql sql) { return FetchMultiple(new[] { typeof(T1), typeof(T2), typeof(T3) }, cb, sql); } + public TRet FetchMultiple(Func, List, List, List, TRet> cb, Sql sql) { return FetchMultiple(new[] { typeof(T1), typeof(T2), typeof(T3), typeof(T4) }, cb, sql); } + +#if PETAPOCO_NO_DYNAMIC + public Tuple, List> FetchMultiple(string sql, params object[] args) { return FetchMultiple, List>>(new[] { typeof(T1), typeof(T2) }, new Func, List, Tuple, List>>((y, z) => new Tuple, List>(y, z)), new Sql(sql, args)); } + public Tuple, List, List> FetchMultiple(string sql, params object[] args) { return FetchMultiple, List, List>>(new[] { typeof(T1), typeof(T2), typeof(T3) }, new Func, List, List, Tuple, List, List>>((x, y, z) => new Tuple, List, List>(x, y, z)), new Sql(sql, args)); } + public Tuple, List, List, List> FetchMultiple(string sql, params object[] args) { return FetchMultiple, List, List, List>>(new[] { typeof(T1), typeof(T2), typeof(T3), typeof(T4) }, new Func, List, List, List, Tuple, List, List, List>>((w, x, y, z) => new Tuple, List, List, List>(w, x, y, z)), new Sql(sql, args)); } + public Tuple, List> FetchMultiple(Sql sql) { return FetchMultiple, List>>(new[] { typeof(T1), typeof(T2) }, new Func, List, Tuple, List>>((y, z) => new Tuple, List>(y, z)), sql); } + public Tuple, List, List> FetchMultiple(Sql sql) { return FetchMultiple, List, List>>(new[] { typeof(T1), typeof(T2), typeof(T3) }, new Func, List, List, Tuple, List, List>>((x, y, z) => new Tuple, List, List>(x, y, z)), sql); } + public Tuple, List, List, List> FetchMultiple(Sql sql) { return FetchMultiple, List, List, List>>(new[] { typeof(T1), typeof(T2), typeof(T3), typeof(T4) }, new Func, List, List, List, Tuple, List, List, List>>((w, x, y, z) => new Tuple, List, List, List>(w, x, y, z)), sql); } + + public class Tuple + { + public T1 Item1 { get; set; } + public T2 Item2 { get; set; } + public Tuple(T1 item1, T2 item2) { Item1 = item1; Item2 = item2; } + } + + public class Tuple + { + public T1 Item1 { get; set; } + public T2 Item2 { get; set; } + public T3 Item3 { get; set; } + public Tuple(T1 item1, T2 item2, T3 item3) { Item1 = item1; Item2 = item2; Item3 = item3; } + } + + public class Tuple + { + public T1 Item1 { get; set; } + public T2 Item2 { get; set; } + public T3 Item3 { get; set; } + public T4 Item4 { get; set; } + public Tuple(T1 item1, T2 item2, T3 item3, T4 item4) { Item1 = item1; Item2 = item2; Item3 = item3; Item4 = item4; } + } +#else + public Tuple, List> FetchMultiple(string sql, params object[] args) { return FetchMultiple, List>>(new[] { typeof(T1), typeof(T2) }, new Func, List, Tuple, List>>((y, z) => new Tuple, List>(y, z)), new Sql(sql, args)); } + public Tuple, List, List> FetchMultiple(string sql, params object[] args) { return FetchMultiple, List, List>>(new[] { typeof(T1), typeof(T2), typeof(T3) }, new Func, List, List, Tuple, List, List>>((x, y, z) => new Tuple, List, List>(x, y, z)), new Sql(sql, args)); } + public Tuple, List, List, List> FetchMultiple(string sql, params object[] args) { return FetchMultiple, List, List, List>>(new[] { typeof(T1), typeof(T2), typeof(T3), typeof(T4) }, new Func, List, List, List, Tuple, List, List, List>>((w, x, y, z) => new Tuple, List, List, List>(w, x, y, z)), new Sql(sql, args)); } + public Tuple, List> FetchMultiple(Sql sql) { return FetchMultiple, List>>(new[] { typeof(T1), typeof(T2) }, new Func, List, Tuple, List>>((y, z) => new Tuple, List>(y, z)), sql); } + public Tuple, List, List> FetchMultiple(Sql sql) { return FetchMultiple, List, List>>(new[] { typeof(T1), typeof(T2), typeof(T3) }, new Func, List, List, Tuple, List, List>>((x, y, z) => new Tuple, List, List>(x, y, z)), sql); } + public Tuple, List, List, List> FetchMultiple(Sql sql) { return FetchMultiple, List, List, List>>(new[] { typeof(T1), typeof(T2), typeof(T3), typeof(T4) }, new Func, List, List, List, Tuple, List, List, List>>((w, x, y, z) => new Tuple, List, List, List>(w, x, y, z)), sql); } +#endif + + public class DontMap { } + + // Actual implementation of the multi query + private TRet FetchMultiple(Type[] types, object cb, Sql Sql) + { + var sql = Sql.SQL; + var args = Sql.Arguments; + + OpenSharedConnection(); + try + { + using (var cmd = CreateCommand(_sharedConnection, sql, args)) + { + IDataReader r; + try + { + r = cmd.ExecuteReader(); + OnExecutedCommand(cmd); + } + catch (Exception x) + { + OnException(x); + throw; + } + + using (r) + { + var typeIndex = 1; + var list1 = new List(); + var list2 = new List(); + var list3 = new List(); + var list4 = new List(); + do + { + if (typeIndex > types.Length) + break; + + var pd = PocoData.ForType(types[typeIndex - 1]); + var factory = pd.GetFactory(cmd.CommandText, _sharedConnection.ConnectionString, ForceDateTimesToUtc, 0, r.FieldCount, r, null); + + while (true) + { + try + { + if (!r.Read()) + break; + + switch (typeIndex) + { + case 1: + list1.Add(((Func)factory)(r, default(T1))); + break; + case 2: + list2.Add(((Func)factory)(r, default(T2))); + break; + case 3: + list3.Add(((Func)factory)(r, default(T3))); + break; + case 4: + list4.Add(((Func)factory)(r, default(T4))); + break; + } + } + catch (Exception x) + { + OnException(x); + throw; + } + } + + typeIndex++; + } while (r.NextResult()); + + switch (types.Length) + { + case 2: + return ((Func, List, TRet>)cb)(list1, list2); + case 3: + return ((Func, List, List, TRet>)cb)(list1, list2, list3); + case 4: + return ((Func, List, List, List, TRet>)cb)(list1, list2, list3, list4); + } + + return default(TRet); + } + } + } + finally + { + CloseSharedConnection(); + } + } + + public bool Exists(object primaryKey) + { + var index = 0; + var primaryKeyValuePairs = GetPrimaryKeyValues(PocoData.ForType(typeof(T)).TableInfo.PrimaryKey, primaryKey); + return FirstOrDefault(string.Format("WHERE {0}", BuildPrimaryKeySql(primaryKeyValuePairs, ref index)), primaryKeyValuePairs.Select(x => x.Value).ToArray()) != null; + } + public T SingleById(object primaryKey) + { + var index = 0; + var primaryKeyValuePairs = GetPrimaryKeyValues(PocoData.ForType(typeof(T)).TableInfo.PrimaryKey, primaryKey); + return Single(string.Format("WHERE {0}", BuildPrimaryKeySql(primaryKeyValuePairs, ref index)), primaryKeyValuePairs.Select(x => x.Value).ToArray()); + } + public T SingleOrDefaultById(object primaryKey) + { + var index = 0; + var primaryKeyValuePairs = GetPrimaryKeyValues(PocoData.ForType(typeof(T)).TableInfo.PrimaryKey, primaryKey); + return SingleOrDefault(string.Format("WHERE {0}", BuildPrimaryKeySql(primaryKeyValuePairs, ref index)), primaryKeyValuePairs.Select(x => x.Value).ToArray()); + } + public T Single(string sql, params object[] args) + { + return Query(sql, args).Single(); + } + public T SingleInto(T instance, string sql, params object[] args) + { + return Query(instance, new Sql(sql, args)).Single(); + } + public T SingleOrDefault(string sql, params object[] args) + { + return Query(sql, args).SingleOrDefault(); + } + public T SingleOrDefaultInto(T instance, string sql, params object[] args) + { + return Query(instance, new Sql(sql, args)).SingleOrDefault(); + } + public T First(string sql, params object[] args) + { + return Query(sql, args).First(); + } + public T FirstInto(T instance, string sql, params object[] args) + { + return Query(instance, new Sql(sql, args)).First(); + } + public T FirstOrDefault(string sql, params object[] args) + { + return Query(sql, args).FirstOrDefault(); + } + public T FirstOrDefaultInto(T instance, string sql, params object[] args) + { + return Query(instance, new Sql(sql, args)).FirstOrDefault(); + } + public T Single(Sql sql) + { + return Query(sql).Single(); + } + public T SingleInto(T instance, Sql sql) + { + return Query(instance, sql).Single(); + } + public T SingleOrDefault(Sql sql) + { + return Query(sql).SingleOrDefault(); + } + public T SingleOrDefaultInto(T instance, Sql sql) + { + return Query(instance, sql).SingleOrDefault(); + } + public T First(Sql sql) + { + return Query(sql).First(); + } + public T FirstInto(T instance, Sql sql) + { + return Query(instance, sql).First(); + } + public T FirstOrDefault(Sql sql) + { + return Query(sql).FirstOrDefault(); + } + public T FirstOrDefaultInto(T instance, Sql sql) + { + return Query(instance, sql).FirstOrDefault(); + } + public string EscapeTableName(string str) + { + // Assume table names with "dot" are already escaped + return str.IndexOf('.') >= 0 ? str : EscapeSqlIdentifier(str); + } + + public string EscapeSqlIdentifier(string str) + { + switch (_dbType) + { + case DBType.MySql: + return string.Format("`{0}`", str); + + case DBType.PostgreSQL: + return string.Format("\"{0}\"", str); + + case DBType.Oracle: + return string.Format("\"{0}\"", str.ToUpperInvariant()); + + default: + return string.Format("[{0}]", str); + } + } + + public object Insert(string tableName, string primaryKeyName, object poco) + { + return Insert(tableName, primaryKeyName, true, poco); + } + + // Insert a poco into a table. If the poco has a property with the same name + // as the primary key the id of the new record is assigned to it. Either way, + // the new id is returned. + public object Insert(string tableName, string primaryKeyName, bool autoIncrement, object poco) + { + try + { + OpenSharedConnection(); + try + { + using (var cmd = CreateCommand(_sharedConnection, "")) + { + var pd = PocoData.ForObject(poco, primaryKeyName); + var names = new List(); + var values = new List(); + var index = 0; + var versionName = ""; + + foreach (var i in pd.Columns) + { + // Don't insert result columns + if (i.Value.ResultColumn) + continue; + + // Don't insert the primary key (except under oracle where we need bring in the next sequence value) + if (autoIncrement && primaryKeyName != null && string.Compare(i.Key, primaryKeyName, true) == 0) + { + if (_dbType == DBType.Oracle && !string.IsNullOrEmpty(pd.TableInfo.SequenceName)) + { + names.Add(i.Key); + values.Add(string.Format("{0}.nextval", pd.TableInfo.SequenceName)); + } + continue; + } + + names.Add(EscapeSqlIdentifier(i.Key)); + values.Add(string.Format("{0}{1}", _paramPrefix, index++)); + + object val = i.Value.GetValue(poco); + if (i.Value.VersionColumn) + { + val = 1; + versionName = i.Key; + } + + AddParam(cmd, val, _paramPrefix); + } + + if (names.Count > 0 || _dbType == DBType.MySql) + { + cmd.CommandText = string.Format("INSERT INTO {0} ({1}) VALUES ({2})", + EscapeTableName(tableName), + string.Join(",", names.ToArray()), + string.Join(",", values.ToArray())); + } + else + { + cmd.CommandText = string.Format("INSERT INTO {0} DEFAULT VALUES", EscapeTableName(tableName)); + } + + object id; + + if (!autoIncrement) + { + DoPreExecute(cmd); + cmd.ExecuteNonQuery(); + OnExecutedCommand(cmd); + id = -1; + } + else + { + + switch (_dbType) + { + case DBType.SqlServerCE: + DoPreExecute(cmd); + cmd.ExecuteNonQuery(); + OnExecutedCommand(cmd); + id = ExecuteScalar("SELECT @@@IDENTITY AS NewID;"); + break; + case DBType.SqlServer: + cmd.CommandText += ";\nSELECT SCOPE_IDENTITY() AS NewID;"; + DoPreExecute(cmd); + id = cmd.ExecuteScalar(); + OnExecutedCommand(cmd); + break; + case DBType.MySql: + cmd.CommandText += ";\nSELECT LAST_INSERT_ID();"; + DoPreExecute(cmd); + id = cmd.ExecuteScalar(); + OnExecutedCommand(cmd); + break; + case DBType.PostgreSQL: + if (primaryKeyName != null) + { + cmd.CommandText += string.Format("returning {0} as NewID", EscapeSqlIdentifier(primaryKeyName)); + DoPreExecute(cmd); + id = cmd.ExecuteScalar(); + } + else + { + id = -1; + DoPreExecute(cmd); + cmd.ExecuteNonQuery(); + } + OnExecutedCommand(cmd); + break; + case DBType.Oracle: + if (primaryKeyName != null) + { + cmd.CommandText += string.Format(" returning {0} into :newid", EscapeSqlIdentifier(primaryKeyName)); + var param = cmd.CreateParameter(); + param.ParameterName = ":newid"; + param.Value = DBNull.Value; + param.Direction = ParameterDirection.ReturnValue; + param.DbType = DbType.Int64; + cmd.Parameters.Add(param); + DoPreExecute(cmd); + cmd.ExecuteNonQuery(); + id = param.Value; + } + else + { + id = -1; + DoPreExecute(cmd); + cmd.ExecuteNonQuery(); + } + OnExecutedCommand(cmd); + break; + case DBType.SQLite: + if (primaryKeyName != null) + { + cmd.CommandText += ";\nSELECT last_insert_rowid();"; + DoPreExecute(cmd); + id = cmd.ExecuteScalar(); + } + else + { + id = -1; + DoPreExecute(cmd); + cmd.ExecuteNonQuery(); + } + OnExecutedCommand(cmd); + break; + default: + cmd.CommandText += ";\nSELECT @@IDENTITY AS NewID;"; + DoPreExecute(cmd); + id = cmd.ExecuteScalar(); + OnExecutedCommand(cmd); + break; + } + + // Assign the ID back to the primary key property + if (primaryKeyName != null) + { + PocoColumn pc; + if (pd.Columns.TryGetValue(primaryKeyName, out pc)) + { + pc.SetValue(poco, pc.ChangeType(id)); + } + } + } + + // Assign the Version column + if (!string.IsNullOrEmpty(versionName)) + { + PocoColumn pc; + if (pd.Columns.TryGetValue(versionName, out pc)) + { + pc.SetValue(poco, pc.ChangeType(1)); + } + } + + return id; + } + } + finally + { + CloseSharedConnection(); + } + } + catch (Exception x) + { + OnException(x); + throw; + } + } + + // Insert an annotated poco object + public object Insert(object poco) + { + var pd = PocoData.ForType(poco.GetType()); + return Insert(pd.TableInfo.TableName, pd.TableInfo.PrimaryKey, pd.TableInfo.AutoIncrement, poco); + } + + public int Update(string tableName, string primaryKeyName, object poco, object primaryKeyValue) + { + return Update(tableName, primaryKeyName, poco, primaryKeyValue, null); + } + + // Update a record with values from a poco. primary key value can be either supplied or read from the poco + public int Update(string tableName, string primaryKeyName, object poco, object primaryKeyValue, IEnumerable columns) + { + if (columns != null && !columns.Any()) + return 0; + + try + { + OpenSharedConnection(); + try + { + using (var cmd = CreateCommand(_sharedConnection, "")) + { + var sb = new StringBuilder(); + var index = 0; + var pd = PocoData.ForObject(poco, primaryKeyName); + string versionName = null; + object versionValue = null; + + var primaryKeyValuePairs = GetPrimaryKeyValues(primaryKeyName, primaryKeyValue); + + foreach (var i in pd.Columns) + { + // Don't update the primary key, but grab the value if we don't have it + if (primaryKeyValue == null && primaryKeyValuePairs.ContainsKey(i.Key)) + { + primaryKeyValuePairs[i.Key] = i.Value.PropertyInfo.GetValue(poco, null); + continue; + } + + // Dont update result only columns + if (i.Value.ResultColumn) + continue; + + if (!i.Value.VersionColumn && columns != null && !columns.Contains(i.Value.ColumnName, StringComparer.OrdinalIgnoreCase)) + continue; + + object value = i.Value.PropertyInfo.GetValue(poco, null); + + if (i.Value.VersionColumn) + { + versionName = i.Key; + versionValue = value; + value = Convert.ToInt64(value) + 1; + } + + // Build the sql + if (index > 0) + sb.Append(", "); + sb.AppendFormat("{0} = {1}{2}", EscapeSqlIdentifier(i.Key), _paramPrefix, index++); + + // Store the parameter in the command + AddParam(cmd, value, _paramPrefix); + } + + if (columns != null && columns.Any() && sb.Length == 0) + throw new ArgumentException("There were no columns in the columns list that matched your table", "columns"); + + cmd.CommandText = string.Format("UPDATE {0} SET {1} WHERE {2}", + EscapeTableName(tableName), sb.ToString(), BuildPrimaryKeySql(primaryKeyValuePairs, ref index)); + + foreach (var keyValue in primaryKeyValuePairs) + { + AddParam(cmd, keyValue.Value, _paramPrefix); + } + + if (!string.IsNullOrEmpty(versionName)) + { + cmd.CommandText += string.Format(" AND {0} = {1}{2}", EscapeSqlIdentifier(versionName), _paramPrefix, index++); + AddParam(cmd, versionValue, _paramPrefix); + } + + DoPreExecute(cmd); + + var result = cmd.ExecuteNonQuery(); + + if (result == 0 && !string.IsNullOrEmpty(versionName) && VersionException == VersionExceptionHandling.Exception) + throw new DBConcurrencyException(string.Format("A Concurrency update occured in table '{0}' for primary key value(s) = '{1}' and version = '{2}'", tableName, string.Join(",", primaryKeyValuePairs.Values.Select(x => x.ToString()).ToArray()), versionValue)); + + OnExecutedCommand(cmd); + + // Set Version + if (!string.IsNullOrEmpty(versionName)) + { + PocoColumn pc; + if (pd.Columns.TryGetValue(versionName, out pc)) + { + pc.PropertyInfo.SetValue(poco, Convert.ChangeType(Convert.ToInt64(versionValue) + 1, pc.PropertyInfo.PropertyType), null); + } + } + + return result; + } + } + finally + { + CloseSharedConnection(); + } + } + catch (Exception x) + { + OnException(x); + throw; + } + } + + private string BuildPrimaryKeySql(Dictionary primaryKeyValuePair, ref int index) + { + var tempIndex = index; + index += primaryKeyValuePair.Count; + return string.Join(" AND ", primaryKeyValuePair.Select((x, i) => string.Format("{0} = @{1}", EscapeSqlIdentifier(x.Key), tempIndex + i)).ToArray()); + } + + private Dictionary GetPrimaryKeyValues(string primaryKeyName, object primaryKeyValue) + { + Dictionary primaryKeyValues; + + var multiplePrimaryKeysNames = primaryKeyName.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries).Select(x => x.Trim()).ToArray(); + if (primaryKeyValue != null) + { + if (multiplePrimaryKeysNames.Length == 1) + primaryKeyValues = new Dictionary(StringComparer.OrdinalIgnoreCase) { { primaryKeyName, primaryKeyValue } }; + else + primaryKeyValues = multiplePrimaryKeysNames.ToDictionary(x => x, + x => primaryKeyValue.GetType().GetProperties() + .Where(y => string.Equals(x, y.Name, StringComparison.OrdinalIgnoreCase)) + .Single().GetValue(primaryKeyValue, null), StringComparer.OrdinalIgnoreCase); + } + else + { + primaryKeyValues = multiplePrimaryKeysNames.ToDictionary(x => x, x => (object)null, StringComparer.OrdinalIgnoreCase); + } + return primaryKeyValues; + } + + public int Update(string tableName, string primaryKeyName, object poco) + { + return Update(tableName, primaryKeyName, poco, null); + } + + public int Update(string tableName, string primaryKeyName, object poco, IEnumerable columns) + { + return Update(tableName, primaryKeyName, poco, null, columns); + } + + public int Update(object poco, IEnumerable columns) + { + return Update(poco, null, columns); + } + + public int Update(object poco) + { + return Update(poco, null, null); + } + + public int Update(object poco, object primaryKeyValue) + { + return Update(poco, primaryKeyValue, null); + } + + public int Update(object poco, object primaryKeyValue, IEnumerable columns) + { + var pd = PocoData.ForType(poco.GetType()); + return Update(pd.TableInfo.TableName, pd.TableInfo.PrimaryKey, poco, primaryKeyValue, columns); + } + + public int Update(string sql, params object[] args) + { + var pd = PocoData.ForType(typeof(T)); + return Execute(string.Format("UPDATE {0} {1}", EscapeTableName(pd.TableInfo.TableName), sql), args); + } + + public int Update(Sql sql) + { + var pd = PocoData.ForType(typeof(T)); + return Execute(new Sql(string.Format("UPDATE {0}", EscapeTableName(pd.TableInfo.TableName))).Append(sql)); + } + + public int Delete(string tableName, string primaryKeyName, object poco) + { + return Delete(tableName, primaryKeyName, poco, null); + } + + public int Delete(string tableName, string primaryKeyName, object poco, object primaryKeyValue) + { + var primaryKeyValuePairs = GetPrimaryKeyValues(primaryKeyName, primaryKeyValue); + // If primary key value not specified, pick it up from the object + if (primaryKeyValue == null) + { + var pd = PocoData.ForObject(poco, primaryKeyName); + foreach (var i in pd.Columns) + { + if (primaryKeyValuePairs.ContainsKey(i.Key)) + { + primaryKeyValuePairs[i.Key] = i.Value.PropertyInfo.GetValue(poco, null); + } + } + } + + // Do it + var index = 0; + var sql = string.Format("DELETE FROM {0} WHERE {1}", EscapeTableName(tableName), BuildPrimaryKeySql(primaryKeyValuePairs, ref index)); + return Execute(sql, primaryKeyValuePairs.Select(x => x.Value).ToArray()); + } + + public int Delete(object poco) + { + var pd = PocoData.ForType(poco.GetType()); + return Delete(pd.TableInfo.TableName, pd.TableInfo.PrimaryKey, poco); + } + + public int Delete(object pocoOrPrimaryKey) + { + if (pocoOrPrimaryKey.GetType() == typeof(T)) + return Delete(pocoOrPrimaryKey); + var pd = PocoData.ForType(typeof(T)); + return Delete(pd.TableInfo.TableName, pd.TableInfo.PrimaryKey, null, pocoOrPrimaryKey); + } + + public int Delete(string sql, params object[] args) + { + var pd = PocoData.ForType(typeof(T)); + return Execute(string.Format("DELETE FROM {0} {1}", EscapeTableName(pd.TableInfo.TableName), sql), args); + } + + public int Delete(Sql sql) + { + var pd = PocoData.ForType(typeof(T)); + return Execute(new Sql(string.Format("DELETE FROM {0}", EscapeTableName(pd.TableInfo.TableName))).Append(sql)); + } + + // Check if a poco represents a new record + public bool IsNew(string primaryKeyName, object poco) + { + var pd = PocoData.ForObject(poco, primaryKeyName); + object pk; + PocoColumn pc; + if (pd.Columns.TryGetValue(primaryKeyName, out pc)) + { + pk = pc.GetValue(poco); + } +#if !PETAPOCO_NO_DYNAMIC + else if (poco.GetType() == typeof(System.Dynamic.ExpandoObject)) + { + return true; + } +#endif + else + { + var pi = poco.GetType().GetProperty(primaryKeyName); + if (pi == null) + throw new ArgumentException(string.Format("The object doesn't have a property matching the primary key column name '{0}'", primaryKeyName)); + pk = pi.GetValue(poco, null); + } + + if (pk == null) + return true; + + var type = pk.GetType(); + + if (type.IsValueType) + { + // Common primary key types + if (type == typeof(long)) + return (long)pk == default(long); + else if (type == typeof(ulong)) + return (ulong)pk == default(ulong); + else if (type == typeof(int)) + return (int)pk == default(int); + else if (type == typeof(uint)) + return (uint)pk == default(uint); + else if (type == typeof(Guid)) + return (Guid)pk == default(Guid); + + // Create a default instance and compare + return pk == Activator.CreateInstance(pk.GetType()); + } + else + { + return pk == null; + } + } + + public bool IsNew(object poco) + { + var pd = PocoData.ForType(poco.GetType()); + if (!pd.TableInfo.AutoIncrement) + throw new InvalidOperationException("IsNew() and Save() are only supported on tables with auto-increment/identity primary key columns"); + return IsNew(pd.TableInfo.PrimaryKey, poco); + } + + // Insert new record or Update existing record + public void Save(string tableName, string primaryKeyName, object poco) + { + if (IsNew(primaryKeyName, poco)) + { + Insert(tableName, primaryKeyName, true, poco); + } + else + { + Update(tableName, primaryKeyName, poco); + } + } + + public void Save(object poco) + { + var pd = PocoData.ForType(poco.GetType()); + Save(pd.TableInfo.TableName, pd.TableInfo.PrimaryKey, poco); + } + + public int CommandTimeout { get; set; } + public int OneTimeCommandTimeout { get; set; } + + void DoPreExecute(IDbCommand cmd) + { + // Setup command timeout + if (OneTimeCommandTimeout != 0) + { + cmd.CommandTimeout = OneTimeCommandTimeout; + OneTimeCommandTimeout = 0; + } + else if (CommandTimeout != 0) + { + cmd.CommandTimeout = CommandTimeout; + } + + // Call hook + OnExecutingCommand(cmd); + + // Save it + _lastSql = cmd.CommandText; + _lastArgs = (from IDataParameter parameter in cmd.Parameters select parameter.Value).ToArray(); + } + + public string LastSQL { get { return _lastSql; } } + public object[] LastArgs { get { return _lastArgs; } } + public string LastCommand + { + get { return FormatCommand(_lastSql, _lastArgs); } + } + + public string FormatCommand(IDbCommand cmd) + { + return FormatCommand(cmd.CommandText, (from IDataParameter parameter in cmd.Parameters select parameter.Value).ToArray()); + } + + public string FormatCommand(string sql, object[] args) + { + var sb = new StringBuilder(); + if (sql == null) + return ""; + sb.Append(sql); + if (args != null && args.Length > 0) + { + sb.Append("\n"); + for (int i = 0; i < args.Length; i++) + { + sb.AppendFormat("\t -> {0}{1} [{2}] = \"{3}\"\n", _paramPrefix, i, args[i].GetType().Name, args[i]); + } + sb.Remove(sb.Length - 1, 1); + } + return sb.ToString(); + } + + public enum VersionExceptionHandling + { + Ignore, + Exception + } + + public static IMapper Mapper + { + get; + set; + } + + public class PocoColumn + { + public string ColumnName; + public PropertyInfo PropertyInfo; + public bool ResultColumn; + public bool VersionColumn; + public virtual void SetValue(object target, object val) { PropertyInfo.SetValue(target, val, null); } + public virtual object GetValue(object target) { return PropertyInfo.GetValue(target, null); } + public virtual object ChangeType(object val) { return Convert.ChangeType(val, PropertyInfo.PropertyType); } + } + public class ExpandoColumn : PocoColumn + { + public override void SetValue(object target, object val) { (target as IDictionary)[ColumnName] = val; } + public override object GetValue(object target) + { + object val = null; + (target as IDictionary).TryGetValue(ColumnName, out val); + return val; + } + public override object ChangeType(object val) { return val; } + } + + public static Func PocoDataFactory = type => new PocoData(type); + public class PocoData + { + static readonly EnumMapper EnumMapper = new EnumMapper(); + + public static PocoData ForObject(object o, string primaryKeyName) + { + var t = o.GetType(); +#if !PETAPOCO_NO_DYNAMIC + if (t == typeof(System.Dynamic.ExpandoObject)) + { + var pd = new PocoData(); + pd.TableInfo = new TableInfo(); + pd.Columns = new Dictionary(StringComparer.OrdinalIgnoreCase); + pd.Columns.Add(primaryKeyName, new ExpandoColumn() { ColumnName = primaryKeyName }); + pd.TableInfo.PrimaryKey = primaryKeyName; + pd.TableInfo.AutoIncrement = true; + foreach (var col in (o as IDictionary).Keys) + { + if (col != primaryKeyName) + pd.Columns.Add(col, new ExpandoColumn() { ColumnName = col }); + } + return pd; + } + else +#endif + return ForType(t); + } + static System.Threading.ReaderWriterLockSlim RWLock = new System.Threading.ReaderWriterLockSlim(); + public static PocoData ForType(Type t) + { +#if !PETAPOCO_NO_DYNAMIC + if (t == typeof(System.Dynamic.ExpandoObject)) + throw new InvalidOperationException("Can't use dynamic types with this method"); +#endif + // Check cache + RWLock.EnterReadLock(); + PocoData pd; + try + { + if (m_PocoDatas.TryGetValue(t, out pd)) + return pd; + } + finally + { + RWLock.ExitReadLock(); + } + + + // Cache it + RWLock.EnterWriteLock(); + try + { + // Check again + if (m_PocoDatas.TryGetValue(t, out pd)) + return pd; + + // Create it + pd = PocoDataFactory(t); + m_PocoDatas.Add(t, pd); + } + finally + { + RWLock.ExitWriteLock(); + } + + return pd; + } + + public PocoData() + { + } + + public PocoData(Type t) + { + type = t; + TableInfo = new TableInfo(); + + // Get the table name + var a = t.GetCustomAttributes(typeof(TableNameAttribute), true); + TableInfo.TableName = a.Length == 0 ? t.Name : (a[0] as TableNameAttribute).Value; + + // Get the primary key + a = t.GetCustomAttributes(typeof(PrimaryKeyAttribute), true); + TableInfo.PrimaryKey = a.Length == 0 ? "ID" : (a[0] as PrimaryKeyAttribute).Value; + TableInfo.SequenceName = a.Length == 0 ? null : (a[0] as PrimaryKeyAttribute).sequenceName; + TableInfo.AutoIncrement = a.Length == 0 ? true : (a[0] as PrimaryKeyAttribute).autoIncrement; + + // Set autoincrement false if primary key has multiple columns + TableInfo.AutoIncrement = TableInfo.AutoIncrement ? !TableInfo.PrimaryKey.Contains(',') : TableInfo.AutoIncrement; + + // Call column mapper + if (Database.Mapper != null) + Database.Mapper.GetTableInfo(t, TableInfo); + + // Work out bound properties + bool ExplicitColumns = t.GetCustomAttributes(typeof(ExplicitColumnsAttribute), true).Length > 0; + Columns = new Dictionary(StringComparer.OrdinalIgnoreCase); + foreach (var pi in t.GetProperties()) + { + // Work out if properties is to be included + var ColAttrs = pi.GetCustomAttributes(typeof(ColumnAttribute), true); + if (ExplicitColumns) + { + if (ColAttrs.Length == 0) + continue; + } + else + { + if (pi.GetCustomAttributes(typeof(IgnoreAttribute), true).Length != 0) + continue; + } + + var pc = new PocoColumn(); + pc.PropertyInfo = pi; + + // Work out the DB column name + if (ColAttrs.Length > 0) + { + var colattr = (ColumnAttribute)ColAttrs[0]; + pc.ColumnName = colattr.Name; + if ((colattr as ResultColumnAttribute) != null) + pc.ResultColumn = true; + if ((colattr as VersionColumnAttribute) != null) + pc.VersionColumn = true; + } + if (pc.ColumnName == null) + { + pc.ColumnName = pi.Name; + if (Database.Mapper != null && !Database.Mapper.MapPropertyToColumn(pi, ref pc.ColumnName, ref pc.ResultColumn)) + continue; + } + + // Store it + Columns.Add(pc.ColumnName, pc); + } + + // Build column list for automatic select + QueryColumns = (from c in Columns where !c.Value.ResultColumn select c.Key).ToArray(); + + } + + static bool IsIntegralType(Type t) + { + var tc = Type.GetTypeCode(t); + return tc >= TypeCode.SByte && tc <= TypeCode.UInt64; + } + + static object GetDefault(Type type) + { + if (type.IsValueType) + { + return Activator.CreateInstance(type); + } + return null; + } + + // Create factory function that can convert a IDataReader record into a POCO + public Delegate GetFactory(string sql, string connString, bool ForceDateTimesToUtc, int firstColumn, int countColumns, IDataReader r, object instance) + { + // Check cache + var key = string.Format("{0}:{1}:{2}:{3}:{4}:{5}", sql, connString, ForceDateTimesToUtc, firstColumn, countColumns, instance != GetDefault(type)); + RWLock.EnterReadLock(); + try + { + // Have we already created it? + Delegate factory; + if (PocoFactories.TryGetValue(key, out factory)) + return factory; + } + finally + { + RWLock.ExitReadLock(); + } + + // Take the writer lock + RWLock.EnterWriteLock(); + + try + { + // Check again, just in case + Delegate factory; + if (PocoFactories.TryGetValue(key, out factory)) + return factory; + + // Create the method + var m = new DynamicMethod("petapoco_factory_" + PocoFactories.Count.ToString(), type, new Type[] { typeof(IDataReader), type }, true); + var il = m.GetILGenerator(); + +#if !PETAPOCO_NO_DYNAMIC + if (type == typeof(object)) + { + // var poco=new T() + il.Emit(OpCodes.Newobj, typeof(System.Dynamic.ExpandoObject).GetConstructor(Type.EmptyTypes)); // obj + + MethodInfo fnAdd = typeof(IDictionary).GetMethod("Add"); + + // Enumerate all fields generating a set assignment for the column + for (int i = firstColumn; i < firstColumn + countColumns; i++) + { + var srcType = r.GetFieldType(i); + + il.Emit(OpCodes.Dup); // obj, obj + il.Emit(OpCodes.Ldstr, r.GetName(i)); // obj, obj, fieldname + + // Get the converter + Func converter = null; + if (Database.Mapper != null) + converter = Database.Mapper.GetFromDbConverter(null, srcType); + if (ForceDateTimesToUtc && converter == null && srcType == typeof(DateTime)) + converter = delegate(object src) { return new DateTime(((DateTime)src).Ticks, DateTimeKind.Utc); }; + + // Setup stack for call to converter + AddConverterToStack(il, converter); + + // r[i] + il.Emit(OpCodes.Ldarg_0); // obj, obj, fieldname, converter?, rdr + il.Emit(OpCodes.Ldc_I4, i); // obj, obj, fieldname, converter?, rdr,i + il.Emit(OpCodes.Callvirt, fnGetValue); // obj, obj, fieldname, converter?, value + + // Convert DBNull to null + il.Emit(OpCodes.Dup); // obj, obj, fieldname, converter?, value, value + il.Emit(OpCodes.Isinst, typeof(DBNull)); // obj, obj, fieldname, converter?, value, (value or null) + var lblNotNull = il.DefineLabel(); + il.Emit(OpCodes.Brfalse_S, lblNotNull); // obj, obj, fieldname, converter?, value + il.Emit(OpCodes.Pop); // obj, obj, fieldname, converter? + if (converter != null) + il.Emit(OpCodes.Pop); // obj, obj, fieldname, + il.Emit(OpCodes.Ldnull); // obj, obj, fieldname, null + if (converter != null) + { + var lblReady = il.DefineLabel(); + il.Emit(OpCodes.Br_S, lblReady); + il.MarkLabel(lblNotNull); + il.Emit(OpCodes.Callvirt, fnInvoke); + il.MarkLabel(lblReady); + } + else + { + il.MarkLabel(lblNotNull); + } + + il.Emit(OpCodes.Callvirt, fnAdd); + } + } + else +#endif + if (type.IsValueType || type == typeof(string) || type == typeof(byte[])) + { + // Do we need to install a converter? + var srcType = r.GetFieldType(0); + var converter = GetConverter(ForceDateTimesToUtc, null, srcType, type); + + // "if (!rdr.IsDBNull(i))" + il.Emit(OpCodes.Ldarg_0); // rdr + il.Emit(OpCodes.Ldc_I4_0); // rdr,0 + il.Emit(OpCodes.Callvirt, fnIsDBNull); // bool + var lblCont = il.DefineLabel(); + il.Emit(OpCodes.Brfalse_S, lblCont); + il.Emit(OpCodes.Ldnull); // null + var lblFin = il.DefineLabel(); + il.Emit(OpCodes.Br_S, lblFin); + + il.MarkLabel(lblCont); + + // Setup stack for call to converter + AddConverterToStack(il, converter); + + il.Emit(OpCodes.Ldarg_0); // rdr + il.Emit(OpCodes.Ldc_I4_0); // rdr,0 + il.Emit(OpCodes.Callvirt, fnGetValue); // value + + // Call the converter + if (converter != null) + il.Emit(OpCodes.Callvirt, fnInvoke); + + il.MarkLabel(lblFin); + il.Emit(OpCodes.Unbox_Any, type); // value converted + } + else if (type == typeof(Dictionary)) + { + Func> func = (reader, inst) => + { + var dict = new Dictionary(StringComparer.OrdinalIgnoreCase); + for (int i = firstColumn; i < firstColumn + countColumns; i++) + { + var value = reader.IsDBNull(i) ? null : reader.GetValue(i); + var name = reader.GetName(i); + if (!dict.ContainsKey(name)) + dict.Add(name, value); + } + return dict; + }; + + var delegateType = typeof(Func<,,>).MakeGenericType(typeof(IDataReader), type, typeof(Dictionary)); + var localDel = Delegate.CreateDelegate(delegateType, func.Target, func.Method); + PocoFactories.Add(key, localDel); + return localDel; + } + else if (type == typeof(object[])) + { + Func func = (reader, inst) => + { + var obj = new object[countColumns - firstColumn]; + for (int i = firstColumn; i < firstColumn + countColumns; i++) + { + var value = reader.IsDBNull(i) ? null : reader.GetValue(i); + obj[i - firstColumn] = value; + } + return obj; + }; + + var delegateType = typeof(Func<,,>).MakeGenericType(typeof(IDataReader), type, typeof(object[])); + var localDel = Delegate.CreateDelegate(delegateType, func.Target, func.Method); + PocoFactories.Add(key, localDel); + return localDel; + } + else + { + if (instance != null) + il.Emit(OpCodes.Ldarg_1); + else + // var poco=new T() + il.Emit(OpCodes.Newobj, type.GetConstructor(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic, null, new Type[0], null)); + + // Enumerate all fields generating a set assignment for the column + for (int i = firstColumn; i < firstColumn + countColumns; i++) + { + // Get the PocoColumn for this db column, ignore if not known + PocoColumn pc; + if (!Columns.TryGetValue(r.GetName(i), out pc) && !Columns.TryGetValue(r.GetName(i).Replace("_", ""), out pc)) + { + continue; + } + + // Get the source type for this column + var srcType = r.GetFieldType(i); + var dstType = pc.PropertyInfo.PropertyType; + + // "if (!rdr.IsDBNull(i))" + il.Emit(OpCodes.Ldarg_0); // poco,rdr + il.Emit(OpCodes.Ldc_I4, i); // poco,rdr,i + il.Emit(OpCodes.Callvirt, fnIsDBNull); // poco,bool + var lblNext = il.DefineLabel(); + il.Emit(OpCodes.Brtrue_S, lblNext); // poco + + il.Emit(OpCodes.Dup); // poco,poco + + // Do we need to install a converter? + var converter = GetConverter(ForceDateTimesToUtc, pc, srcType, dstType); + + // Fast + bool Handled = false; + if (converter == null) + { + var valuegetter = typeof(IDataRecord).GetMethod("Get" + srcType.Name, new Type[] { typeof(int) }); + if (valuegetter != null + && valuegetter.ReturnType == srcType + && (valuegetter.ReturnType == dstType || valuegetter.ReturnType == Nullable.GetUnderlyingType(dstType))) + { + il.Emit(OpCodes.Ldarg_0); // *,rdr + il.Emit(OpCodes.Ldc_I4, i); // *,rdr,i + il.Emit(OpCodes.Callvirt, valuegetter); // *,value + + // Convert to Nullable + if (Nullable.GetUnderlyingType(dstType) != null) + { + il.Emit(OpCodes.Newobj, dstType.GetConstructor(new Type[] { Nullable.GetUnderlyingType(dstType) })); + } + + il.Emit(OpCodes.Callvirt, pc.PropertyInfo.GetSetMethod(true)); // poco + Handled = true; + } + } + + // Not so fast + if (!Handled) + { + // Setup stack for call to converter + AddConverterToStack(il, converter); + + // "value = rdr.GetValue(i)" + il.Emit(OpCodes.Ldarg_0); // *,rdr + il.Emit(OpCodes.Ldc_I4, i); // *,rdr,i + il.Emit(OpCodes.Callvirt, fnGetValue); // *,value + + // Call the converter + if (converter != null) + il.Emit(OpCodes.Callvirt, fnInvoke); + + // Assign it + il.Emit(OpCodes.Unbox_Any, pc.PropertyInfo.PropertyType); // poco,poco,value + il.Emit(OpCodes.Callvirt, pc.PropertyInfo.GetSetMethod(true)); // poco + } + + il.MarkLabel(lblNext); + } + + var fnOnLoaded = RecurseInheritedTypes(type, (x) => x.GetMethod("OnLoaded", BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic, null, new Type[0], null)); + if (fnOnLoaded != null) + { + il.Emit(OpCodes.Dup); + il.Emit(OpCodes.Callvirt, fnOnLoaded); + } + } + + il.Emit(OpCodes.Ret); + + // Cache it, return it + var del = m.CreateDelegate(Expression.GetFuncType(typeof(IDataReader), type, type)); + PocoFactories.Add(key, del); + return del; + } + finally + { + RWLock.ExitWriteLock(); + } + } + + private static void AddConverterToStack(ILGenerator il, Func converter) + { + if (converter != null) + { + // Add the converter + int converterIndex = m_Converters.Count; + m_Converters.Add(converter); + + // Generate IL to push the converter onto the stack + il.Emit(OpCodes.Ldsfld, fldConverters); + il.Emit(OpCodes.Ldc_I4, converterIndex); + il.Emit(OpCodes.Callvirt, fnListGetItem); // Converter + } + } + + public static Func GetConverter(bool forceDateTimesToUtc, PocoColumn pc, Type srcType, Type dstType) + { + Func converter = null; + + // Get converter from the mapper + if (Database.Mapper != null) + { + if (pc != null) + { + converter = Database.Mapper.GetFromDbConverter(pc.PropertyInfo, srcType); + } + else + { + var m2 = Database.Mapper as IMapper2; + if (m2 != null) + { + converter = m2.GetFromDbConverter(dstType, srcType); + } + } + } + + // Standard DateTime->Utc mapper + if (forceDateTimesToUtc && converter == null && srcType == typeof(DateTime) && (dstType == typeof(DateTime) || dstType == typeof(DateTime?))) + { + converter = delegate(object src) { return new DateTime(((DateTime)src).Ticks, DateTimeKind.Utc); }; + } + + // Forced type conversion including integral types -> enum + if (converter == null) + { + if (dstType.IsEnum && IsIntegralType(srcType)) + { + if (srcType != typeof(int)) + { + converter = src => Convert.ChangeType(src, typeof(int), null); + } + } + else if (!dstType.IsAssignableFrom(srcType)) + { + if (dstType.IsEnum && srcType == typeof(string)) + { + converter = src => EnumMapper.EnumFromString(dstType, (string)src); + } + else + { + converter = src => Convert.ChangeType(src, dstType, null); + } + } + } + return converter; + } + + + static T RecurseInheritedTypes(Type t, Func cb) + { + while (t != null) + { + T info = cb(t); + if (info != null) + return info; + t = t.BaseType; + } + return default(T); + } + + + static Dictionary m_PocoDatas = new Dictionary(); + static List> m_Converters = new List>(); + static MethodInfo fnGetValue = typeof(IDataRecord).GetMethod("GetValue", new Type[] { typeof(int) }); + static MethodInfo fnIsDBNull = typeof(IDataRecord).GetMethod("IsDBNull"); + static FieldInfo fldConverters = typeof(PocoData).GetField("m_Converters", BindingFlags.Static | BindingFlags.GetField | BindingFlags.NonPublic); + static MethodInfo fnListGetItem = typeof(List>).GetProperty("Item").GetGetMethod(); + static MethodInfo fnInvoke = typeof(Func).GetMethod("Invoke"); + public Type type; + public string[] QueryColumns { get; protected set; } + public TableInfo TableInfo { get; protected set; } + public Dictionary Columns { get; protected set; } + Dictionary PocoFactories = new Dictionary(); + } + + class EnumMapper : IDisposable + { + readonly Dictionary> _stringsToEnums = new Dictionary>(); + readonly Dictionary> _enumNumbersToStrings = new Dictionary>(); + readonly ReaderWriterLockSlim _lock = new ReaderWriterLockSlim(); + + public object EnumFromString(Type type, string value) + { + PopulateIfNotPresent(type); + return _stringsToEnums[type][value]; + } + + public string StringFromEnum(object theEnum) + { + Type typeOfEnum = theEnum.GetType(); + PopulateIfNotPresent(typeOfEnum); + return _enumNumbersToStrings[typeOfEnum][(int)theEnum]; + } + + void PopulateIfNotPresent(Type type) + { + _lock.EnterUpgradeableReadLock(); + try + { + if (!_stringsToEnums.ContainsKey(type)) + { + _lock.EnterWriteLock(); + try + { + Populate(type); + } + finally + { + _lock.ExitWriteLock(); + } + } + } + finally + { + _lock.ExitUpgradeableReadLock(); + } + } + + void Populate(Type type) + { + Array values = Enum.GetValues(type); + _stringsToEnums[type] = new Dictionary(values.Length); + _enumNumbersToStrings[type] = new Dictionary(values.Length); + + for (int i = 0; i < values.Length; i++) + { + object value = values.GetValue(i); + _stringsToEnums[type].Add(value.ToString(), value); + _enumNumbersToStrings[type].Add((int)value, value.ToString()); + } + } + + public void Dispose() + { + _lock.Dispose(); + } + } + + + // Member variables + string _connectionString; + string _providerName; + DbProviderFactory _factory; + IDbConnection _sharedConnection; + IDbTransaction _transaction; + int _sharedConnectionDepth; + int _transactionDepth; + bool _transactionCancelled; + string _lastSql; + object[] _lastArgs; + string _paramPrefix = "@"; + VersionExceptionHandling _versionException = VersionExceptionHandling.Ignore; + } + + // Transaction object helps maintain transaction depth counts + public class Transaction : IDisposable + { + public Transaction(Database db) : this(db, null) { } + + public Transaction(Database db, IsolationLevel? isolationLevel) + { + _db = db; + _db.BeginTransaction(isolationLevel); + } + + public virtual void Complete() + { + _db.CompleteTransaction(); + _db = null; + } + + public void Dispose() + { + if (_db != null) + _db.AbortTransaction(); + } + + Database _db; + } + + // Simple helper class for building SQL statments + public class Sql + { + public Sql() + { + } + + public Sql(string sql, params object[] args) + { + _sql = sql; + _args = args; + } + + public Sql(bool isBuilt, string sql, params object[] args) + { + _sql = sql; + _args = args; + if (isBuilt) + { + _sqlFinal = _sql; + _argsFinal = _args; + } + } + + public static Sql Builder + { + get { return new Sql(); } + } + + string _sql; + object[] _args; + Sql _rhs; + string _sqlFinal; + object[] _argsFinal; + + private void Build() + { + // already built? + if (_sqlFinal != null) + return; + + // Build it + var sb = new StringBuilder(); + var args = new List(); + Build(sb, args, null); + _sqlFinal = sb.ToString(); + _argsFinal = args.ToArray(); + } + + public string SQL + { + get + { + Build(); + return _sqlFinal; + } + } + + public object[] Arguments + { + get + { + Build(); + return _argsFinal; + } + } + + public Sql Append(Sql sql) + { + if (_sqlFinal != null) + _sqlFinal = null; + + if (_rhs != null) + { + _rhs.Append(sql); + } + else if (_sql != null) + { + _rhs = sql; + } + else + { + _sql = sql._sql; + _args = sql._args; + _rhs = sql._rhs; + } + + return this; + } + + public Sql Append(string sql, params object[] args) + { + return Append(new Sql(sql, args)); + } + + static bool Is(Sql sql, string sqltype) + { + return sql != null && sql._sql != null && sql._sql.StartsWith(sqltype, StringComparison.InvariantCultureIgnoreCase); + } + + private void Build(StringBuilder sb, List args, Sql lhs) + { + if (!String.IsNullOrEmpty(_sql)) + { + // Add SQL to the string + if (sb.Length > 0) + { + sb.Append("\n"); + } + + var sql = Database.ProcessParams(_sql, _args, args); + + if (Is(lhs, "WHERE ") && Is(this, "WHERE ")) + sql = "AND " + sql.Substring(6); + if (Is(lhs, "ORDER BY ") && Is(this, "ORDER BY ")) + sql = ", " + sql.Substring(9); + + sb.Append(sql); + } + + // Now do rhs + if (_rhs != null) + _rhs.Build(sb, args, this); + } + + public Sql Where(string sql, params object[] args) + { + return Append(new Sql("WHERE (" + sql + ")", args)); + } + + public Sql OrderBy(params object[] columns) + { + return Append(new Sql("ORDER BY " + String.Join(", ", (from x in columns select x.ToString()).ToArray()))); + } + + public Sql Select(params object[] columns) + { + return Append(new Sql("SELECT " + String.Join(", ", (from x in columns select x.ToString()).ToArray()))); + } + + public Sql From(params object[] tables) + { + return Append(new Sql("FROM " + String.Join(", ", (from x in tables select x.ToString()).ToArray()))); + } + + public Sql GroupBy(params object[] columns) + { + return Append(new Sql("GROUP BY " + String.Join(", ", (from x in columns select x.ToString()).ToArray()))); + } + + private SqlJoinClause Join(string JoinType, string table) + { + return new SqlJoinClause(Append(new Sql(JoinType + table))); + } + + public SqlJoinClause InnerJoin(string table) { return Join("INNER JOIN ", table); } + public SqlJoinClause LeftJoin(string table) { return Join("LEFT JOIN ", table); } + + public class SqlJoinClause + { + private readonly Sql _sql; + + public SqlJoinClause(Sql sql) + { + _sql = sql; + } + + public Sql On(string onClause, params object[] args) + { + return _sql.Append("ON " + onClause, args); + } + } + + public static implicit operator Sql(SqlBuilder.Template template) + { + return new Sql(true, template.RawSql, template.Parameters); + } + } + + public class SqlBuilder + { + Dictionary data = new Dictionary(); + int seq; + + class Clause + { + public string Sql { get; set; } + public List Parameters { get; set; } + } + + class Clauses : List + { + string joiner; + string prefix; + string postfix; + + public Clauses(string joiner, string prefix, string postfix) + { + this.joiner = joiner; + this.prefix = prefix; + this.postfix = postfix; + } + + public string ResolveClauses(List finalParams) + { + foreach (var item in this) + { + item.Sql = Database.ProcessParams(item.Sql, item.Parameters.ToArray(), finalParams); + } + return prefix + string.Join(joiner, this.Select(c => c.Sql).ToArray()) + postfix; + } + } + + public class Template + { + readonly string sql; + readonly SqlBuilder builder; + private List finalParams = new List(); + int dataSeq; + + public Template(SqlBuilder builder, string sql, params object[] parameters) + { + this.sql = Database.ProcessParams(sql, parameters, finalParams); + this.builder = builder; + } + + static Regex regex = new Regex(@"\/\*\*.+\*\*\/", RegexOptions.Compiled | RegexOptions.Multiline); + + void ResolveSql() + { + rawSql = sql; + + if (dataSeq != builder.seq) + { + foreach (var pair in builder.data) + { + rawSql = rawSql.Replace("/**" + pair.Key + "**/", pair.Value.ResolveClauses(finalParams)); + } + + ReplaceDefaults(); + + dataSeq = builder.seq; + } + + if (builder.seq == 0) + { + ReplaceDefaults(); + } + } + + private void ReplaceDefaults() + { + foreach (var pair in builder.defaultsIfEmpty) + { + rawSql = rawSql.Replace("/**" + pair.Key + "**/", " " + pair.Value + " "); + } + + // replace all that is left with empty + rawSql = regex.Replace(rawSql, ""); + } + + string rawSql; + + public string RawSql { get { ResolveSql(); return rawSql; } } + public object[] Parameters { get { ResolveSql(); return finalParams.ToArray(); } } + } + + + public SqlBuilder() + { + } + + public Template AddTemplate(string sql, params object[] parameters) + { + return new Template(this, sql, parameters); + } + + void AddClause(string name, string sql, object[] parameters, string joiner, string prefix, string postfix) + { + Clauses clauses; + if (!data.TryGetValue(name, out clauses)) + { + clauses = new Clauses(joiner, prefix, postfix); + data[name] = clauses; + } + clauses.Add(new Clause { Sql = sql, Parameters = new List(parameters) }); + seq++; + } + + readonly Dictionary defaultsIfEmpty = new Dictionary + { + { "where", "1=1" }, + { "select", "1" } + }; + + public SqlBuilder Select(params string[] columns) + { + AddClause("select", string.Join(", ", columns), new object[] { }, ", ", "", ""); + return this; + } + + public SqlBuilder Join(string sql, params object[] parameters) + { + AddClause("join", sql, parameters, "\nINNER JOIN ", "\nINNER JOIN ", "\n"); + return this; + } + + public SqlBuilder LeftJoin(string sql, params object[] parameters) + { + AddClause("leftjoin", sql, parameters, "\nLEFT JOIN ", "\nLEFT JOIN ", "\n"); + return this; + } + + public SqlBuilder Where(string sql, params object[] parameters) + { + AddClause("where", sql, parameters, " AND ", " ( ", " )\n"); + return this; + } + + public SqlBuilder OrderBy(string sql, params object[] parameters) + { + AddClause("orderby", sql, parameters, ", ", "ORDER BY ", "\n"); + return this; + } + + public SqlBuilder OrderByCols(params string[] columns) + { + AddClause("orderbycols", string.Join(", ", columns), new object[] { }, ", ", ", ", ""); + return this; + } + + public SqlBuilder GroupBy(string sql, params object[] parameters) + { + AddClause("groupby", sql, parameters, " , ", "\nGROUP BY ", "\n"); + return this; + } + + public SqlBuilder Having(string sql, params object[] parameters) + { + AddClause("having", sql, parameters, "\nAND ", "HAVING ", "\n"); + return this; + } + } + + public static class SqlExtensions + { + public static Sql ToSql(this SqlBuilder.Template template) + { + return new Sql(true, template.RawSql, template.Parameters); + } + } + +} \ No newline at end of file diff --git a/NzbDrone.Services/NzbDrone.Services.Tests/Framework/ServicesTestBase.cs b/NzbDrone.Services/NzbDrone.Services.Tests/Framework/ServicesTestBase.cs index 727bdcca6..49a649356 100644 --- a/NzbDrone.Services/NzbDrone.Services.Tests/Framework/ServicesTestBase.cs +++ b/NzbDrone.Services/NzbDrone.Services.Tests/Framework/ServicesTestBase.cs @@ -7,7 +7,8 @@ using Migrator.Providers.SqlServer; using NzbDrone.Services.Service.Migrations; using NzbDrone.Test.Common; using NzbDrone.Test.Common.AutoMoq; -using PetaPoco; +using Services.PetaPoco; + namespace NzbDrone.Services.Tests.Framework {