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| author | LukePulverenti <luke.pulverenti@gmail.com> | 2013-02-24 16:53:54 -0500 |
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| committer | LukePulverenti <luke.pulverenti@gmail.com> | 2013-02-24 16:53:54 -0500 |
| commit | 8ce3e74e8112a94773df22827849bf274fc88198 (patch) | |
| tree | a4ce1edf34466be697e2e432609f6be80b6c6df6 /MediaBrowser.Server.Implementations/Sqlite/SQLiteUserRepository.cs | |
| parent | 6c86721f6de2acbe68e9419064ff21111ff3a223 (diff) | |
More DI
Diffstat (limited to 'MediaBrowser.Server.Implementations/Sqlite/SQLiteUserRepository.cs')
| -rw-r--r-- | MediaBrowser.Server.Implementations/Sqlite/SQLiteUserRepository.cs | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/MediaBrowser.Server.Implementations/Sqlite/SQLiteUserRepository.cs b/MediaBrowser.Server.Implementations/Sqlite/SQLiteUserRepository.cs new file mode 100644 index 000000000..1e6f370eb --- /dev/null +++ b/MediaBrowser.Server.Implementations/Sqlite/SQLiteUserRepository.cs @@ -0,0 +1,182 @@ +using MediaBrowser.Common.Kernel; +using MediaBrowser.Controller.Entities; +using MediaBrowser.Controller.Persistence; +using MediaBrowser.Model.Logging; +using MediaBrowser.Model.Serialization; +using System; +using System.Collections.Generic; +using System.Data; +using System.IO; +using System.Threading; +using System.Threading.Tasks; + +namespace MediaBrowser.Server.Implementations.Sqlite +{ + /// <summary> + /// Class SQLiteUserRepository + /// </summary> + public class SQLiteUserRepository : SqliteRepository, IUserRepository + { + /// <summary> + /// The repository name + /// </summary> + public const string RepositoryName = "SQLite"; + + /// <summary> + /// Gets the name of the repository + /// </summary> + /// <value>The name.</value> + public string Name + { + get + { + return RepositoryName; + } + } + + /// <summary> + /// Gets the json serializer. + /// </summary> + /// <value>The json serializer.</value> + private readonly IJsonSerializer _jsonSerializer; + + /// <summary> + /// The _app paths + /// </summary> + private readonly IApplicationPaths _appPaths; + + /// <summary> + /// Initializes a new instance of the <see cref="SQLiteUserDataRepository" /> class. + /// </summary> + /// <param name="appPaths">The app paths.</param> + /// <param name="jsonSerializer">The json serializer.</param> + /// <param name="logger">The logger.</param> + /// <exception cref="System.ArgumentNullException">appPaths</exception> + public SQLiteUserRepository(IApplicationPaths appPaths, IJsonSerializer jsonSerializer, ILogger logger) + : base(logger) + { + if (appPaths == null) + { + throw new ArgumentNullException("appPaths"); + } + if (jsonSerializer == null) + { + throw new ArgumentNullException("jsonSerializer"); + } + + _appPaths = appPaths; + _jsonSerializer = jsonSerializer; + } + + /// <summary> + /// Opens the connection to the database + /// </summary> + /// <returns>Task.</returns> + public async Task Initialize() + { + var dbFile = Path.Combine(_appPaths.DataPath, "users.db"); + + await ConnectToDB(dbFile).ConfigureAwait(false); + + string[] queries = { + + "create table if not exists users (guid GUID primary key, data BLOB)", + "create index if not exists idx_users on users(guid)", + "create table if not exists schema_version (table_name primary key, version)", + //pragmas + "pragma temp_store = memory" + }; + + RunQueries(queries); + } + + /// <summary> + /// Save a user in the repo + /// </summary> + /// <param name="user">The user.</param> + /// <param name="cancellationToken">The cancellation token.</param> + /// <returns>Task.</returns> + /// <exception cref="System.ArgumentNullException">user</exception> + public Task SaveUser(User user, CancellationToken cancellationToken) + { + if (user == null) + { + throw new ArgumentNullException("user"); + } + + if (cancellationToken == null) + { + throw new ArgumentNullException("cancellationToken"); + } + + return Task.Run(() => + { + cancellationToken.ThrowIfCancellationRequested(); + + var serialized = _jsonSerializer.SerializeToBytes(user); + + cancellationToken.ThrowIfCancellationRequested(); + + var cmd = connection.CreateCommand(); + cmd.CommandText = "replace into users (guid, data) values (@1, @2)"; + cmd.AddParam("@1", user.Id); + cmd.AddParam("@2", serialized); + QueueCommand(cmd); + }); + } + + /// <summary> + /// Retrieve all users from the database + /// </summary> + /// <returns>IEnumerable{User}.</returns> + public IEnumerable<User> RetrieveAllUsers() + { + var cmd = connection.CreateCommand(); + cmd.CommandText = "select data from users"; + + using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult)) + { + while (reader.Read()) + { + using (var stream = GetStream(reader, 0)) + { + var user = _jsonSerializer.DeserializeFromStream<User>(stream); + yield return user; + } + } + } + } + + /// <summary> + /// Deletes the user. + /// </summary> + /// <param name="user">The user.</param> + /// <param name="cancellationToken">The cancellation token.</param> + /// <returns>Task.</returns> + /// <exception cref="System.ArgumentNullException">user</exception> + public Task DeleteUser(User user, CancellationToken cancellationToken) + { + if (user == null) + { + throw new ArgumentNullException("user"); + } + + if (cancellationToken == null) + { + throw new ArgumentNullException("cancellationToken"); + } + + return Task.Run(() => + { + cancellationToken.ThrowIfCancellationRequested(); + + var cmd = connection.CreateCommand(); + cmd.CommandText = "delete from users where guid=@guid"; + var guidParam = cmd.Parameters.Add("@guid", DbType.Guid); + guidParam.Value = user.Id; + + return ExecuteCommand(cmd); + }); + } + } +} |
