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Merge pull request #4377 from barronpm/user-caching

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Add caching to users
pull/4391/head
Bond-009 4 years ago committed by GitHub
parent 43bc850efb 67f39ed54f
commit 9bf2f4d8e0
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 33 additions and 61 deletions
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94
Jellyfin.Server.Implementations/Users/UserManager.cs
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@ -2,6 +2,7 @@
#pragma warning disable CA1307
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
@ -48,6 +49,8 @@ namespace Jellyfin.Server.Implementations.Users
private readonly DefaultAuthenticationProvider _defaultAuthenticationProvider;
private readonly DefaultPasswordResetProvider _defaultPasswordResetProvider;
private readonly IDictionary<Guid, User> _users;
/// <summary>
/// Initializes a new instance of the <see cref="UserManager"/> class.
/// </summary>
@ -81,38 +84,28 @@ namespace Jellyfin.Server.Implementations.Users
_invalidAuthProvider = _authenticationProviders.OfType<InvalidAuthProvider>().First();
_defaultAuthenticationProvider = _authenticationProviders.OfType<DefaultAuthenticationProvider>().First();
_defaultPasswordResetProvider = _passwordResetProviders.OfType<DefaultPasswordResetProvider>().First();
_users = new ConcurrentDictionary<Guid, User>();
using var dbContext = _dbProvider.CreateContext();
foreach (var user in dbContext.Users
.Include(user => user.Permissions)
.Include(user => user.Preferences)
.Include(user => user.AccessSchedules)
.Include(user => user.ProfileImage)
.AsEnumerable())
{
_users.Add(user.Id, user);
}
}
/// <inheritdoc/>
public event EventHandler<GenericEventArgs<User>>? OnUserUpdated;
/// <inheritdoc/>
public IEnumerable<User> Users
{
get
{
using var dbContext = _dbProvider.CreateContext();
return dbContext.Users
.Include(user => user.Permissions)
.Include(user => user.Preferences)
.Include(user => user.AccessSchedules)
.Include(user => user.ProfileImage)
.ToList();
}
}
public IEnumerable<User> Users => _users.Values;
/// <inheritdoc/>
public IEnumerable<Guid> UsersIds
{
get
{
using var dbContext = _dbProvider.CreateContext();
return dbContext.Users
.AsQueryable()
.Select(user => user.Id)
.ToList();
}
}
public IEnumerable<Guid> UsersIds => _users.Keys;
/// <inheritdoc/>
public User? GetUserById(Guid id)
@ -122,13 +115,8 @@ namespace Jellyfin.Server.Implementations.Users
throw new ArgumentException("Guid can't be empty", nameof(id));
}
using var dbContext = _dbProvider.CreateContext();
return dbContext.Users
.Include(user => user.Permissions)
.Include(user => user.Preferences)
.Include(user => user.AccessSchedules)
.Include(user => user.ProfileImage)
.FirstOrDefault(user => user.Id == id);
_users.TryGetValue(id, out var user);
return user;
}
/// <inheritdoc/>
@ -139,14 +127,7 @@ namespace Jellyfin.Server.Implementations.Users
throw new ArgumentException("Invalid username", nameof(name));
}
using var dbContext = _dbProvider.CreateContext();
return dbContext.Users
.Include(user => user.Permissions)
.Include(user => user.Preferences)
.Include(user => user.AccessSchedules)
.Include(user => user.ProfileImage)
.AsEnumerable()
.FirstOrDefault(u => string.Equals(u.Username, name, StringComparison.OrdinalIgnoreCase));
return _users.Values.FirstOrDefault(u => string.Equals(u.Username, name, StringComparison.OrdinalIgnoreCase));
}
/// <inheritdoc/>
@ -205,13 +186,17 @@ namespace Jellyfin.Server.Implementations.Users
? await dbContext.Users.AsQueryable().Select(u => u.InternalId).MaxAsync().ConfigureAwait(false)
: 0;
return new User(
var user = new User(
name,
_defaultAuthenticationProvider.GetType().FullName,
_defaultPasswordResetProvider.GetType().FullName)
{
InternalId = max + 1
};
_users.Add(user.Id, user);
return user;
}
/// <inheritdoc/>
@ -237,28 +222,12 @@ namespace Jellyfin.Server.Implementations.Users
/// <inheritdoc/>
public void DeleteUser(Guid userId)
{
using var dbContext = _dbProvider.CreateContext();
var user = dbContext.Users
.Include(u => u.Permissions)
.Include(u => u.Preferences)
.Include(u => u.AccessSchedules)
.Include(u => u.ProfileImage)
.FirstOrDefault(u => u.Id == userId);
if (user == null)
if (!_users.TryGetValue(userId, out var user))
{
throw new ResourceNotFoundException(nameof(userId));
}
if (dbContext.Users.Find(user.Id) == null)
{
throw new ArgumentException(string.Format(
CultureInfo.InvariantCulture,
"The user cannot be deleted because there is no user with the Name {0} and Id {1}.",
user.Username,
user.Id));
}
if (dbContext.Users.Count() == 1)
if (_users.Count == 1)
{
throw new InvalidOperationException(string.Format(
CultureInfo.InvariantCulture,
@ -277,6 +246,8 @@ namespace Jellyfin.Server.Implementations.Users
nameof(userId));
}
using var dbContext = _dbProvider.CreateContext();
// Clear all entities related to the user from the database.
if (user.ProfileImage != null)
{
@ -288,6 +259,7 @@ namespace Jellyfin.Server.Implementations.Users
dbContext.RemoveRange(user.AccessSchedules);
dbContext.Users.Remove(user);
dbContext.SaveChanges();
_users.Remove(userId);
_eventManager.Publish(new UserDeletedEventArgs(user));
}
@ -589,9 +561,7 @@ namespace Jellyfin.Server.Implementations.Users
public async Task InitializeAsync()
{
// TODO: Refactor the startup wizard so that it doesn't require a user to already exist.
await using var dbContext = _dbProvider.CreateContext();
if (await dbContext.Users.AsQueryable().AnyAsync().ConfigureAwait(false))
if (_users.Any())
{
return;
}
@ -604,6 +574,7 @@ namespace Jellyfin.Server.Implementations.Users
_logger.LogWarning("No users, creating one with username {UserName}", defaultName);
await using var dbContext = _dbProvider.CreateContext();
var newUser = await CreateUserInternalAsync(defaultName, dbContext).ConfigureAwait(false);
newUser.SetPermission(PermissionKind.IsAdministrator, true);
newUser.SetPermission(PermissionKind.EnableContentDeletion, true);
@ -753,6 +724,7 @@ namespace Jellyfin.Server.Implementations.Users
using var dbContext = _dbProvider.CreateContext();
dbContext.Remove(user.ProfileImage);
dbContext.SaveChanges();
user.ProfileImage = null;
}
private static bool IsValidUsername(string name)

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