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calculate similarity at database level

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pull/702/head
Luke Pulverenti 9 years ago
parent 0915d1f383
commit e1f562e16f
13 changed files with 409 additions and 255 deletions
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41
MediaBrowser.Api/GamesService.cs
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@ -10,6 +10,7 @@ using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using MediaBrowser.Model.Querying;
namespace MediaBrowser.Api
{
@ -187,18 +188,40 @@ namespace MediaBrowser.Api
/// <returns>System.Object.</returns>
public object Get(GetSimilarGames request)
{
var result = GetSimilarItemsResult(request);
return ToOptimizedSerializedResultUsingCache(result);
}
private QueryResult<BaseItemDto> GetSimilarItemsResult(BaseGetSimilarItemsFromItem request)
{
var user = !string.IsNullOrWhiteSpace(request.UserId) ? _userManager.GetUserById(request.UserId) : null;
var item = string.IsNullOrEmpty(request.Id) ?
(!string.IsNullOrWhiteSpace(request.UserId) ? user.RootFolder :
_libraryManager.RootFolder) : _libraryManager.GetItemById(request.Id);
var itemsResult = _libraryManager.GetItemList(new InternalItemsQuery(user)
{
Limit = request.Limit,
IncludeItemTypes = new[]
{
typeof(Game).Name
},
SimilarTo = item
}).ToList();
var dtoOptions = GetDtoOptions(request);
var result = SimilarItemsHelper.GetSimilarItemsResult(dtoOptions, _userManager,
_itemRepo,
_libraryManager,
_userDataRepository,
_dtoService,
Logger,
request, new[] { typeof(Game) },
SimilarItemsHelper.GetSimiliarityScore);
var result = new QueryResult<BaseItemDto>
{
Items = _dtoService.GetBaseItemDtos(itemsResult, dtoOptions, user).ToArray(),
return ToOptimizedSerializedResultUsingCache(result);
TotalRecordCount = itemsResult.Count
};
return result;
}
}
}

114
MediaBrowser.Api/Movies/MoviesService.cs
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@ -111,18 +111,16 @@ namespace MediaBrowser.Api.Movies
/// </summary>
/// <param name="request">The request.</param>
/// <returns>System.Object.</returns>
public async Task<object> Get(GetSimilarMovies request)
public object Get(GetSimilarMovies request)
{
var result = await GetSimilarItemsResult(
request, SimilarItemsHelper.GetSimiliarityScore).ConfigureAwait(false);
var result = GetSimilarItemsResult(request);
return ToOptimizedSerializedResultUsingCache(result);
}
public async Task<object> Get(GetSimilarTrailers request)
public object Get(GetSimilarTrailers request)
{
var result = await GetSimilarItemsResult(
request, SimilarItemsHelper.GetSimiliarityScore).ConfigureAwait(false);
var result = GetSimilarItemsResult(request);
return ToOptimizedSerializedResultUsingCache(result);
}
@ -131,42 +129,16 @@ namespace MediaBrowser.Api.Movies
{
var user = _userManager.GetUserById(request.UserId);
var query = new InternalItemsQuery(user)
{
IncludeItemTypes = new[]
{
typeof(Movie).Name,
typeof(Trailer).Name,
//typeof(LiveTvProgram).Name
},
// IsMovie = true
};
var parentIds = string.IsNullOrWhiteSpace(request.ParentId) ? new string[] { } : new[] { request.ParentId };
var movies = _libraryManager.GetItemList(query, parentIds)
.OrderBy(i => (int)i.SourceType);
var listEligibleForSuggestion = new List<BaseItem>();
var list = movies.ToList();
listEligibleForSuggestion.AddRange(list);
listEligibleForSuggestion = listEligibleForSuggestion
.DistinctBy(i => i.Name, StringComparer.OrdinalIgnoreCase)
.DistinctBy(i => i.GetProviderId(MetadataProviders.Imdb) ?? Guid.NewGuid().ToString(), StringComparer.OrdinalIgnoreCase)
.ToList();
var dtoOptions = GetDtoOptions(request);
dtoOptions.Fields = request.GetItemFields().ToList();
var result = GetRecommendationCategories(user, request.ParentId, listEligibleForSuggestion, request.CategoryLimit, request.ItemLimit, dtoOptions);
var result = GetRecommendationCategories(user, request.ParentId, request.CategoryLimit, request.ItemLimit, dtoOptions);
return ToOptimizedResult(result);
}
private async Task<ItemsResult> GetSimilarItemsResult(BaseGetSimilarItemsFromItem request, Func<BaseItem, List<PersonInfo>, List<PersonInfo>, BaseItem, int> getSimilarityScore)
private QueryResult<BaseItemDto> GetSimilarItemsResult(BaseGetSimilarItemsFromItem request)
{
var user = !string.IsNullOrWhiteSpace(request.UserId) ? _userManager.GetUserById(request.UserId) : null;
@ -174,57 +146,32 @@ namespace MediaBrowser.Api.Movies
(!string.IsNullOrWhiteSpace(request.UserId) ? user.RootFolder :
_libraryManager.RootFolder) : _libraryManager.GetItemById(request.Id);
var query = new InternalItemsQuery(user)
var itemsResult = _libraryManager.GetItemList(new InternalItemsQuery(user)
{
Limit = request.Limit,
IncludeItemTypes = new[]
{
typeof(Movie).Name,
typeof(Trailer).Name,
//typeof(LiveTvProgram).Name
typeof(Movie).Name,
typeof(Trailer).Name,
typeof(LiveTvProgram).Name
},
//IsMovie = true
};
var list = _libraryManager.GetItemList(query)
.OrderBy(i => (int)i.SourceType)
.DistinctBy(i => i.GetProviderId(MetadataProviders.Imdb) ?? Guid.NewGuid().ToString("N"))
.ToList();
if (item is Video)
{
var imdbId = item.GetProviderId(MetadataProviders.Imdb);
// Use imdb id to try to filter duplicates of the same item
if (!string.IsNullOrWhiteSpace(imdbId))
{
list = list
.Where(i => !string.Equals(imdbId, i.GetProviderId(MetadataProviders.Imdb), StringComparison.OrdinalIgnoreCase))
.ToList();
}
}
var items = SimilarItemsHelper.GetSimilaritems(item, _libraryManager, list, getSimilarityScore).ToList();
IEnumerable<BaseItem> returnItems = items;
if (request.Limit.HasValue)
{
returnItems = returnItems.Take(request.Limit.Value);
}
IsMovie = true,
SimilarTo = item
}).ToList();
var dtoOptions = GetDtoOptions(request);
var result = new ItemsResult
var result = new QueryResult<BaseItemDto>
{
Items = _dtoService.GetBaseItemDtos(returnItems, dtoOptions, user).ToArray(),
Items = _dtoService.GetBaseItemDtos(itemsResult, dtoOptions, user).ToArray(),
TotalRecordCount = items.Count
TotalRecordCount = itemsResult.Count
};
return result;
}
private IEnumerable<RecommendationDto> GetRecommendationCategories(User user, string parentId, List<BaseItem> allMovies, int categoryLimit, int itemLimit, DtoOptions dtoOptions)
private IEnumerable<RecommendationDto> GetRecommendationCategories(User user, string parentId, int categoryLimit, int itemLimit, DtoOptions dtoOptions)
{
var categories = new List<RecommendationDto>();
@ -260,7 +207,7 @@ namespace MediaBrowser.Api.Movies
IsFavoriteOrLiked = true,
ExcludeItemIds = recentlyPlayedMovies.Select(i => i.Id.ToString("N")).ToArray()
}, parentIds);
}, parentIds).ToList();
var mostRecentMovies = recentlyPlayedMovies.Take(6).ToList();
// Get recently played directors
@ -273,8 +220,8 @@ namespace MediaBrowser.Api.Movies
.OrderBy(i => Guid.NewGuid())
.ToList();
var similarToRecentlyPlayed = GetSimilarTo(user, allMovies, recentlyPlayedMovies.Take(7).OrderBy(i => Guid.NewGuid()), itemLimit, dtoOptions, RecommendationType.SimilarToRecentlyPlayed).GetEnumerator();
var similarToLiked = GetSimilarTo(user, allMovies, likedMovies, itemLimit, dtoOptions, RecommendationType.SimilarToLikedItem).GetEnumerator();
var similarToRecentlyPlayed = GetSimilarTo(user, recentlyPlayedMovies, itemLimit, dtoOptions, RecommendationType.SimilarToRecentlyPlayed).GetEnumerator();
var similarToLiked = GetSimilarTo(user, likedMovies, itemLimit, dtoOptions, RecommendationType.SimilarToLikedItem).GetEnumerator();
var hasDirectorFromRecentlyPlayed = GetWithDirector(user, recentDirectors, itemLimit, dtoOptions, RecommendationType.HasDirectorFromRecentlyPlayed).GetEnumerator();
var hasActorFromRecentlyPlayed = GetWithActor(user, recentActors, itemLimit, dtoOptions, RecommendationType.HasActorFromRecentlyPlayed).GetEnumerator();
@ -389,14 +336,23 @@ namespace MediaBrowser.Api.Movies
}
}
private IEnumerable<RecommendationDto> GetSimilarTo(User user, List<BaseItem> allMovies, IEnumerable<BaseItem> baselineItems, int itemLimit, DtoOptions dtoOptions, RecommendationType type)
private IEnumerable<RecommendationDto> GetSimilarTo(User user, List<BaseItem> baselineItems, int itemLimit, DtoOptions dtoOptions, RecommendationType type)
{
foreach (var item in baselineItems)
{
var similar = SimilarItemsHelper
.GetSimilaritems(item, _libraryManager, allMovies, SimilarItemsHelper.GetSimiliarityScore)
.Take(itemLimit)
.ToList();
var similar = _libraryManager.GetItemList(new InternalItemsQuery(user)
{
Limit = itemLimit,
IncludeItemTypes = new[]
{
typeof(Movie).Name,
typeof(Trailer).Name,
typeof(LiveTvProgram).Name
},
IsMovie = true,
SimilarTo = item
}).ToList();
if (similar.Count > 0)
{

41
MediaBrowser.Api/TvShowsService.cs
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@ -12,6 +12,7 @@ using ServiceStack;
using System;
using System.Collections.Generic;
using System.Linq;
using MediaBrowser.Model.Dto;
namespace MediaBrowser.Api
{
@ -273,18 +274,40 @@ namespace MediaBrowser.Api
/// <returns>System.Object.</returns>
public object Get(GetSimilarShows request)
{
var result = GetSimilarItemsResult(request);
return ToOptimizedSerializedResultUsingCache(result);
}
private QueryResult<BaseItemDto> GetSimilarItemsResult(BaseGetSimilarItemsFromItem request)
{
var user = !string.IsNullOrWhiteSpace(request.UserId) ? _userManager.GetUserById(request.UserId) : null;
var item = string.IsNullOrEmpty(request.Id) ?
(!string.IsNullOrWhiteSpace(request.UserId) ? user.RootFolder :
_libraryManager.RootFolder) : _libraryManager.GetItemById(request.Id);
var itemsResult = _libraryManager.GetItemList(new InternalItemsQuery(user)
{
Limit = request.Limit,
IncludeItemTypes = new[]
{
typeof(Series).Name
},
SimilarTo = item
}).ToList();
var dtoOptions = GetDtoOptions(request);
var result = SimilarItemsHelper.GetSimilarItemsResult(dtoOptions, _userManager,
_itemRepo,
_libraryManager,
_userDataManager,
_dtoService,
Logger,
request, new[] { typeof(Series) },
SimilarItemsHelper.GetSimiliarityScore);
var result = new QueryResult<BaseItemDto>
{
Items = _dtoService.GetBaseItemDtos(itemsResult, dtoOptions, user).ToArray(),
return ToOptimizedSerializedResultUsingCache(result);
TotalRecordCount = itemsResult.Count
};
return result;
}
public object Get(GetUpcomingEpisodes request)

2
MediaBrowser.Controller/Entities/InternalItemsQuery.cs
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@ -19,6 +19,8 @@ namespace MediaBrowser.Controller.Entities
public User User { get; set; }
public BaseItem SimilarTo { get; set; }
public bool? IsFolder { get; set; }
public bool? IsFavorite { get; set; }
public bool? IsFavoriteOrLiked { get; set; }

1
MediaBrowser.Server.Implementations/Persistence/IDbConnector.cs
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@ -6,5 +6,6 @@ namespace MediaBrowser.Server.Implementations.Persistence
public interface IDbConnector
{
Task<IDbConnection> Connect(string dbPath);
void BindSimilarityScoreFunction(IDbConnection connection);
}
}

175
MediaBrowser.Server.Implementations/Persistence/SqliteExtensions.cs
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@ -0,0 +1,175 @@
using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SQLite;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using MediaBrowser.Model.Logging;
namespace MediaBrowser.Server.Implementations.Persistence
{
/// <summary>
/// Class SQLiteExtensions
/// </summary>
public static class SqliteExtensions
{
/// <summary>
/// Connects to db.
/// </summary>
/// <param name="dbPath">The db path.</param>
/// <param name="logger">The logger.</param>
/// <returns>Task{IDbConnection}.</returns>
/// <exception cref="System.ArgumentNullException">dbPath</exception>
public static async Task<IDbConnection> ConnectToDb(string dbPath, ILogger logger)
{
if (string.IsNullOrEmpty(dbPath))
{
throw new ArgumentNullException("dbPath");
}
logger.Info("Sqlite {0} opening {1}", SQLiteConnection.SQLiteVersion, dbPath);
var connectionstr = new SQLiteConnectionStringBuilder
{
PageSize = 4096,
CacheSize = 2000,
SyncMode = SynchronizationModes.Normal,
DataSource = dbPath,
JournalMode = SQLiteJournalModeEnum.Wal
};
var connection = new SQLiteConnection(connectionstr.ConnectionString);
await connection.OpenAsync().ConfigureAwait(false);
return connection;
}
public static void BindGetSimilarityScore(IDbConnection connection, ILogger logger)
{
var sqlConnection = (SQLiteConnection) connection;
SimiliarToFunction.Logger = logger;
sqlConnection.BindFunction(new SimiliarToFunction());
}
public static void BindFunction(this SQLiteConnection connection, SQLiteFunction function)
{
var attributes = function.GetType().GetCustomAttributes(typeof(SQLiteFunctionAttribute), true).Cast<SQLiteFunctionAttribute>().ToArray();
if (attributes.Length == 0)
{
throw new InvalidOperationException("SQLiteFunction doesn't have SQLiteFunctionAttribute");
}
connection.BindFunction(attributes[0], function);
}
}
[SQLiteFunction(Name = "GetSimilarityScore", Arguments = 12, FuncType = FunctionType.Scalar)]
public class SimiliarToFunction : SQLiteFunction
{
internal static ILogger Logger;
public override object Invoke(object[] args)
{
var score = 0;
var inputOfficialRating = args[0] as string;
var rowOfficialRating = args[1] as string;
if (!string.IsNullOrWhiteSpace(inputOfficialRating) && string.Equals(inputOfficialRating, rowOfficialRating))
{
score += 10;
}
long? inputYear = args[2] == null ? (long?)null : (long)args[2];
long? rowYear = args[3] == null ? (long?)null : (long)args[3];
if (inputYear.HasValue && rowYear.HasValue)
{
var diff = Math.Abs(inputYear.Value - rowYear.Value);
// Add if they came out within the same decade
if (diff < 10)
{
score += 2;
}
// And more if within five years
if (diff < 5)
{
score += 2;
}
}
// genres
score += GetListScore(args, 4, 5);
// tags
score += GetListScore(args, 6, 7);
// keywords
score += GetListScore(args, 8, 9);
// studios
score += GetListScore(args, 10, 11, 3);
// TODO: People
// var item2PeopleNames = allPeople.Where(i => i.ItemId == item2.Id)
//.Select(i => i.Name)
//.Where(i => !string.IsNullOrWhiteSpace(i))
//.DistinctNames()
//.ToDictionary(i => i, StringComparer.OrdinalIgnoreCase);
// points += item1People.Where(i => item2PeopleNames.ContainsKey(i.Name)).Sum(i =>
// {
// if (string.Equals(i.Type, PersonType.Director, StringComparison.OrdinalIgnoreCase) || string.Equals(i.Role, PersonType.Director, StringComparison.OrdinalIgnoreCase))
// {
// return 5;
// }
// if (string.Equals(i.Type, PersonType.Actor, StringComparison.OrdinalIgnoreCase) || string.Equals(i.Role, PersonType.Actor, StringComparison.OrdinalIgnoreCase))
// {
// return 3;
// }
// if (string.Equals(i.Type, PersonType.Composer, StringComparison.OrdinalIgnoreCase) || string.Equals(i.Role, PersonType.Composer, StringComparison.OrdinalIgnoreCase))
// {
// return 3;
// }
// if (string.Equals(i.Type, PersonType.GuestStar, StringComparison.OrdinalIgnoreCase) || string.Equals(i.Role, PersonType.GuestStar, StringComparison.OrdinalIgnoreCase))
// {
// return 3;
// }
// if (string.Equals(i.Type, PersonType.Writer, StringComparison.OrdinalIgnoreCase) || string.Equals(i.Role, PersonType.Writer, StringComparison.OrdinalIgnoreCase))
// {
// return 2;
// }
// return 1;
// });
// return points;
//Logger.Debug("Returning score {0}", score);
return score;
}
private int GetListScore(object[] args, int index1, int index2, int value = 10)
{
var score = 0;
var inputGenres = args[index1] as string;
var rowGenres = args[index2] as string;
var inputGenreList = string.IsNullOrWhiteSpace(inputGenres) ? new string[] { } : inputGenres.Split(new[] { '|' }, StringSplitOptions.RemoveEmptyEntries);
var rowGenresList = string.IsNullOrWhiteSpace(rowGenres) ? new string[] { } : rowGenres.Split(new[] { '|' }, StringSplitOptions.RemoveEmptyEntries);
foreach (var genre in inputGenreList)
{
if (rowGenresList.Contains(genre, StringComparer.OrdinalIgnoreCase))
{
score += value;
}
}
return score;
}
}
}

80
MediaBrowser.Server.Implementations/Persistence/SqliteItemRepository.cs
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@ -15,6 +15,7 @@ using System.Globalization;
using System.IO;
using System.Linq;
using System.Runtime.Serialization;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Common.Extensions;
@ -258,6 +259,8 @@ namespace MediaBrowser.Server.Implementations.Persistence
new MediaStreamColumns(_connection, Logger).AddColumns();
DataExtensions.Attach(_connection, Path.Combine(_config.ApplicationPaths.DataPath, "userdata_v2.db"), "UserDataDb");
dbConnector.BindSimilarityScoreFunction(_connection);
}
private readonly string[] _retriveItemColumns =
@ -1575,7 +1578,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
return false;
}
private string[] GetFinalColumnsToSelect(InternalItemsQuery query, string[] startColumns)
private string[] GetFinalColumnsToSelect(InternalItemsQuery query, string[] startColumns, IDbCommand cmd)
{
var list = startColumns.ToList();
@ -1590,6 +1593,45 @@ namespace MediaBrowser.Server.Implementations.Persistence
list.Add("UserDataDb.UserData.rating");
}
if (query.SimilarTo != null)
{
var item = query.SimilarTo;
var builder = new StringBuilder();
builder.Append("GetSimilarityScore(");
builder.Append("@ItemOfficialRating,");
builder.Append("OfficialRating,");
builder.Append("@ItemProductionYear,");
builder.Append("ProductionYear,");
builder.Append("@ItemGenres,");
builder.Append("Genres,");
builder.Append("@ItemTags,");
builder.Append("Tags,");
builder.Append("@ItemKeywords,");
builder.Append("(select group_concat((Select Value from ItemValues where ItemId=Guid and Type=5), '|')),");
builder.Append("@ItemStudios,");
builder.Append("Studios");
builder.Append(") as SimilarityScore");
list.Add(builder.ToString());
cmd.Parameters.Add(cmd, "@ItemOfficialRating", DbType.String).Value = item.OfficialRating;
cmd.Parameters.Add(cmd, "@ItemProductionYear", DbType.Int32).Value = item.ProductionYear ?? -1;
cmd.Parameters.Add(cmd, "@ItemGenres", DbType.String).Value = string.Join("|", item.Genres.ToArray());
cmd.Parameters.Add(cmd, "@ItemTags", DbType.String).Value = string.Join("|", item.Tags.ToArray());
cmd.Parameters.Add(cmd, "@ItemKeywords", DbType.String).Value = string.Join("|", item.Keywords.ToArray());
cmd.Parameters.Add(cmd, "@ItemStudios", DbType.String).Value = string.Join("|", item.Studios.ToArray());
var excludeIds = query.ExcludeItemIds.ToList();
excludeIds.Add(item.Id.ToString("N"));
query.ExcludeItemIds = excludeIds.ToArray();
}
return list.ToArray();
}
@ -1616,7 +1658,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
using (var cmd = _connection.CreateCommand())
{
cmd.CommandText = "select " + string.Join(",", GetFinalColumnsToSelect(query, _retriveItemColumns)) + " from TypedBaseItems";
cmd.CommandText = "select " + string.Join(",", GetFinalColumnsToSelect(query, _retriveItemColumns, cmd)) + " from TypedBaseItems";
cmd.CommandText += GetJoinUserDataText(query);
if (EnableJoinUserData(query))
@ -1706,7 +1748,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
using (var cmd = _connection.CreateCommand())
{
cmd.CommandText = "select " + string.Join(",", GetFinalColumnsToSelect(query, _retriveItemColumns)) + " from TypedBaseItems";
cmd.CommandText = "select " + string.Join(",", GetFinalColumnsToSelect(query, _retriveItemColumns, cmd)) + " from TypedBaseItems";
cmd.CommandText += GetJoinUserDataText(query);
if (EnableJoinUserData(query))
@ -1789,6 +1831,15 @@ namespace MediaBrowser.Server.Implementations.Persistence
private string GetOrderByText(InternalItemsQuery query)
{
if (query.SimilarTo != null)
{
if (query.SortBy == null || query.SortBy.Length == 0)
{
query.SortBy = new[] { "SimilarityScore", "Random" };
query.SortOrder = SortOrder.Descending;
}
}
if (query.SortBy == null || query.SortBy.Length == 0)
{
return string.Empty;
@ -1879,7 +1930,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
using (var cmd = _connection.CreateCommand())
{
cmd.CommandText = "select " + string.Join(",", GetFinalColumnsToSelect(query, new[] { "guid" })) + " from TypedBaseItems";
cmd.CommandText = "select " + string.Join(",", GetFinalColumnsToSelect(query, new[] { "guid" }, cmd)) + " from TypedBaseItems";
cmd.CommandText += GetJoinUserDataText(query);
if (EnableJoinUserData(query))
@ -2022,7 +2073,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
using (var cmd = _connection.CreateCommand())
{
cmd.CommandText = "select " + string.Join(",", GetFinalColumnsToSelect(query, new[] { "guid" })) + " from TypedBaseItems";
cmd.CommandText = "select " + string.Join(",", GetFinalColumnsToSelect(query, new[] { "guid" }, cmd)) + " from TypedBaseItems";
var whereClauses = GetWhereClauses(query, cmd);
cmd.CommandText += GetJoinUserDataText(query);
@ -2148,24 +2199,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
}
else
{
if (query.IsMovie.Value)
{
var typeClauses = new List<string>();
var typeIndex = 0;
foreach (var type in alternateTypes)
{
var paramName = "@AlternateType" + typeIndex.ToString(CultureInfo.InvariantCulture);
typeClauses.Add("Type=" + paramName);
cmd.Parameters.Add(cmd, paramName, DbType.String).Value = type;
typeIndex++;
}
whereClauses.Add("(IsMovie=@IsMovie OR " + string.Join(" OR ", typeClauses.ToArray()) + ")");
}
else
{
whereClauses.Add("(IsMovie is null OR IsMovie=@IsMovie)");
}
whereClauses.Add("(IsMovie is null OR IsMovie=@IsMovie)");
}
cmd.Parameters.Add(cmd, "@IsMovie", DbType.Boolean).Value = query.IsMovie;
}

5
MediaBrowser.Server.Mono/MediaBrowser.Server.Mono.csproj
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@ -82,11 +82,14 @@
</Reference>
</ItemGroup>
<ItemGroup>
<Compile Include="..\MediaBrowser.Server.Implementations\Persistence\SqliteExtensions.cs">
<Link>Native\SqliteExtensions.cs</Link>
</Compile>
<Compile Include="..\SharedVersion.cs">
<Link>Properties\SharedVersion.cs</Link>
</Compile>
<Compile Include="Native\BaseMonoApp.cs" />
<Compile Include="Native\SqliteExtensions.cs" />
<Compile Include="Native\DbConnector.cs" />
<Compile Include="Networking\CertificateGenerator.cs" />
<Compile Include="Program.cs" />
<Compile Include="Properties\AssemblyInfo.cs" />

29
MediaBrowser.Server.Mono/Native/DbConnector.cs
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@ -0,0 +1,29 @@
using System;
using System.Data;
using System.Data.SQLite;
using System.Threading.Tasks;
using MediaBrowser.Model.Logging;
using MediaBrowser.Server.Implementations.Persistence;
namespace MediaBrowser.Server.Mono.Native
{
public class DbConnector : IDbConnector
{
private readonly ILogger _logger;
public DbConnector(ILogger logger)
{
_logger = logger;
}
public void BindSimilarityScoreFunction(IDbConnection connection)
{
SqliteExtensions.BindGetSimilarityScore(connection, _logger);
}
public Task<IDbConnection> Connect(string dbPath)
{
return SqliteExtensions.ConnectToDb(dbPath, _logger);
}
}
}

62
MediaBrowser.Server.Mono/Native/SqliteExtensions.cs
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@ -1,62 +0,0 @@
using System;
using System.Data;
using System.Data.SQLite;
using System.Threading.Tasks;
using MediaBrowser.Model.Logging;
using MediaBrowser.Server.Implementations.Persistence;
namespace MediaBrowser.Server.Mono.Native
{
/// <summary>
/// Class SQLiteExtensions
/// </summary>
static class SqliteExtensions
{
/// <summary>
/// Connects to db.
/// </summary>
/// <param name="dbPath">The db path.</param>
/// <param name="logger">The logger.</param>
/// <returns>Task{IDbConnection}.</returns>
/// <exception cref="System.ArgumentNullException">dbPath</exception>
public static async Task<IDbConnection> ConnectToDb(string dbPath, ILogger logger)
{
if (string.IsNullOrEmpty(dbPath))
{
throw new ArgumentNullException("dbPath");
}
logger.Info("Sqlite {0} opening {1}", SQLiteConnection.SQLiteVersion, dbPath);
var connectionstr = new SQLiteConnectionStringBuilder
{
PageSize = 4096,
CacheSize = 2000,
SyncMode = SynchronizationModes.Normal,
DataSource = dbPath,
JournalMode = SQLiteJournalModeEnum.Wal
};
var connection = new SQLiteConnection(connectionstr.ConnectionString);
await connection.OpenAsync().ConfigureAwait(false);
return connection;
}
}
public class DbConnector : IDbConnector
{
private readonly ILogger _logger;
public DbConnector(ILogger logger)
{
_logger = logger;
}
public Task<IDbConnection> Connect(string dbPath)
{
return SqliteExtensions.ConnectToDb(dbPath, _logger);
}
}
}

5
MediaBrowser.ServerApplication/MediaBrowser.ServerApplication.csproj
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@ -97,6 +97,9 @@
<Reference Include="System.Xml" />
</ItemGroup>
<ItemGroup>
<Compile Include="..\MediaBrowser.Server.Implementations\Persistence\SqliteExtensions.cs">
<Link>Native\SqliteExtensions.cs</Link>
</Compile>
<Compile Include="..\SharedVersion.cs">
<Link>Properties\SharedVersion.cs</Link>
</Compile>
@ -114,7 +117,7 @@
</Compile>
<Compile Include="MainStartup.cs" />
<Compile Include="Native\LnkShortcutHandler.cs" />
<Compile Include="Native\SqliteExtensions.cs" />
<Compile Include="Native\DbConnector.cs" />
<Compile Include="Native\Standby.cs" />
<Compile Include="Native\ServerAuthorization.cs" />
<Compile Include="Native\WindowsApp.cs" />

38
MediaBrowser.ServerApplication/Native/DbConnector.cs
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@ -0,0 +1,38 @@
using System;
using System.Data;
using System.Data.SQLite;
using System.Threading.Tasks;
using MediaBrowser.Model.Logging;
using MediaBrowser.Server.Implementations.Persistence;
namespace MediaBrowser.ServerApplication.Native
{
public class DbConnector : IDbConnector
{
private readonly ILogger _logger;
public DbConnector(ILogger logger)
{
_logger = logger;
}
public void BindSimilarityScoreFunction(IDbConnection connection)
{
SqliteExtensions.BindGetSimilarityScore(connection, _logger);
}
public async Task<IDbConnection> Connect(string dbPath)
{
try
{
return await SqliteExtensions.ConnectToDb(dbPath, _logger).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.ErrorException("Error opening database {0}", ex, dbPath);
throw;
}
}
}
}

71
MediaBrowser.ServerApplication/Native/SqliteExtensions.cs
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@ -1,71 +0,0 @@
using System;
using System.Data;
using System.Data.SQLite;
using System.Threading.Tasks;
using MediaBrowser.Model.Logging;
using MediaBrowser.Server.Implementations.Persistence;
namespace MediaBrowser.ServerApplication.Native
{
/// <summary>
/// Class SQLiteExtensions
/// </summary>
static class SqliteExtensions
{
/// <summary>
/// Connects to db.
/// </summary>
/// <param name="dbPath">The db path.</param>
/// <param name="logger">The logger.</param>
/// <returns>Task{IDbConnection}.</returns>
/// <exception cref="System.ArgumentNullException">dbPath</exception>
public static async Task<IDbConnection> ConnectToDb(string dbPath, ILogger logger)
{
if (string.IsNullOrEmpty(dbPath))
{
throw new ArgumentNullException("dbPath");
}
logger.Info("Sqlite {0} opening {1}", SQLiteConnection.SQLiteVersion, dbPath);
var connectionstr = new SQLiteConnectionStringBuilder
{
PageSize = 4096,
CacheSize = 2000,
SyncMode = SynchronizationModes.Normal,
DataSource = dbPath,
JournalMode = SQLiteJournalModeEnum.Wal
};
var connection = new SQLiteConnection(connectionstr.ConnectionString);
await connection.OpenAsync().ConfigureAwait(false);
return connection;
}
}
public class DbConnector : IDbConnector
{
private readonly ILogger _logger;
public DbConnector(ILogger logger)
{
_logger = logger;
}
public async Task<IDbConnection> Connect(string dbPath)
{
try
{
return await SqliteExtensions.ConnectToDb(dbPath, _logger).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.ErrorException("Error opening database {0}", ex, dbPath);
throw;
}
}
}
}
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