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authorLukePulverenti <luke.pulverenti@gmail.com>2013-02-24 16:53:54 -0500
committerLukePulverenti <luke.pulverenti@gmail.com>2013-02-24 16:53:54 -0500
commit8ce3e74e8112a94773df22827849bf274fc88198 (patch)
treea4ce1edf34466be697e2e432609f6be80b6c6df6 /MediaBrowser.Server.Sqlite/SQLiteItemRepository.cs
parent6c86721f6de2acbe68e9419064ff21111ff3a223 (diff)
More DI
Diffstat (limited to 'MediaBrowser.Server.Sqlite/SQLiteItemRepository.cs')
-rw-r--r--MediaBrowser.Server.Sqlite/SQLiteItemRepository.cs278
1 files changed, 0 insertions, 278 deletions
diff --git a/MediaBrowser.Server.Sqlite/SQLiteItemRepository.cs b/MediaBrowser.Server.Sqlite/SQLiteItemRepository.cs
deleted file mode 100644
index 58a924bc4..000000000
--- a/MediaBrowser.Server.Sqlite/SQLiteItemRepository.cs
+++ /dev/null
@@ -1,278 +0,0 @@
-using MediaBrowser.Common.Serialization;
-using MediaBrowser.Controller;
-using MediaBrowser.Controller.Entities;
-using MediaBrowser.Controller.Persistence;
-using MediaBrowser.Model.Logging;
-using System;
-using System.Collections.Generic;
-using System.Data;
-using System.IO;
-using System.Threading;
-using System.Threading.Tasks;
-
-namespace MediaBrowser.Server.Sqlite
-{
- /// <summary>
- /// Class SQLiteItemRepository
- /// </summary>
- public class SQLiteItemRepository : SqliteRepository, IItemRepository
- {
- /// <summary>
- /// The _type mapper
- /// </summary>
- private readonly TypeMapper _typeMapper = new TypeMapper();
-
- /// <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>
- /// Initializes a new instance of the <see cref="SQLiteUserDataRepository" /> class.
- /// </summary>
- /// <param name="logger">The logger.</param>
- public SQLiteItemRepository(ILogger logger)
- : base(logger)
- {
- }
-
- /// <summary>
- /// Opens the connection to the database
- /// </summary>
- /// <returns>Task.</returns>
- public async Task Initialize()
- {
- var dbFile = Path.Combine(Kernel.Instance.ApplicationPaths.DataPath, "library.db");
-
- await ConnectToDB(dbFile).ConfigureAwait(false);
-
- string[] queries = {
-
- "create table if not exists items (guid GUID primary key, obj_type, data BLOB)",
- "create index if not exists idx_items on items(guid)",
- "create table if not exists children (guid GUID, child GUID)",
- "create unique index if not exists idx_children on children(guid, child)",
- "create table if not exists schema_version (table_name primary key, version)",
- //triggers
- TriggerSql,
- //pragmas
- "pragma temp_store = memory"
- };
-
- RunQueries(queries);
- }
-
- //cascade delete triggers
- /// <summary>
- /// The trigger SQL
- /// </summary>
- protected string TriggerSql =
- @"CREATE TRIGGER if not exists delete_item
- AFTER DELETE
- ON items
- FOR EACH ROW
- BEGIN
- DELETE FROM children WHERE children.guid = old.child;
- DELETE FROM children WHERE children.child = old.child;
- END";
-
- /// <summary>
- /// Save a standard item in the repo
- /// </summary>
- /// <param name="item">The item.</param>
- /// <param name="cancellationToken">The cancellation token.</param>
- /// <returns>Task.</returns>
- /// <exception cref="System.ArgumentNullException">item</exception>
- public Task SaveItem(BaseItem item, CancellationToken cancellationToken)
- {
- if (item == null)
- {
- throw new ArgumentNullException("item");
- }
-
- if (cancellationToken == null)
- {
- throw new ArgumentNullException("cancellationToken");
- }
-
- cancellationToken.ThrowIfCancellationRequested();
-
- return Task.Run(() =>
- {
- var serialized = JsonSerializer.SerializeToBytes(item);
-
- cancellationToken.ThrowIfCancellationRequested();
-
- var cmd = connection.CreateCommand();
- cmd.CommandText = "replace into items (guid, obj_type, data) values (@1, @2, @3)";
- cmd.AddParam("@1", item.Id);
- cmd.AddParam("@2", item.GetType().FullName);
- cmd.AddParam("@3", serialized);
- QueueCommand(cmd);
- });
- }
-
- /// <summary>
- /// Retrieve a standard item from the repo
- /// </summary>
- /// <param name="id">The id.</param>
- /// <returns>BaseItem.</returns>
- /// <exception cref="System.ArgumentException"></exception>
- public BaseItem RetrieveItem(Guid id)
- {
- if (id == Guid.Empty)
- {
- throw new ArgumentException();
- }
-
- return RetrieveItemInternal(id);
- }
-
- /// <summary>
- /// Internal retrieve from items or users table
- /// </summary>
- /// <param name="id">The id.</param>
- /// <returns>BaseItem.</returns>
- /// <exception cref="System.ArgumentException"></exception>
- protected BaseItem RetrieveItemInternal(Guid id)
- {
- if (id == Guid.Empty)
- {
- throw new ArgumentException();
- }
-
- var cmd = connection.CreateCommand();
- cmd.CommandText = "select obj_type,data from items where guid = @guid";
- var guidParam = cmd.Parameters.Add("@guid", DbType.Guid);
- guidParam.Value = id;
-
- using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult | CommandBehavior.SingleRow))
- {
- if (reader.Read())
- {
- var type = reader.GetString(0);
- using (var stream = GetStream(reader, 1))
- {
- var itemType = _typeMapper.GetType(type);
-
- if (itemType == null)
- {
- Logger.Error("Cannot find type {0}. Probably belongs to plug-in that is no longer loaded.", type);
- return null;
- }
-
- var item = JsonSerializer.DeserializeFromStream(stream, itemType);
- return item as BaseItem;
- }
- }
- }
- return null;
- }
-
- /// <summary>
- /// Retrieve all the children of the given folder
- /// </summary>
- /// <param name="parent">The parent.</param>
- /// <returns>IEnumerable{BaseItem}.</returns>
- /// <exception cref="System.ArgumentNullException"></exception>
- public IEnumerable<BaseItem> RetrieveChildren(Folder parent)
- {
- if (parent == null)
- {
- throw new ArgumentNullException();
- }
-
- var cmd = connection.CreateCommand();
- cmd.CommandText = "select obj_type,data from items where guid in (select child from children where guid = @guid)";
- var guidParam = cmd.Parameters.Add("@guid", DbType.Guid);
- guidParam.Value = parent.Id;
-
- using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult))
- {
- while (reader.Read())
- {
- var type = reader.GetString(0);
-
- using (var stream = GetStream(reader, 1))
- {
- var itemType = _typeMapper.GetType(type);
- if (itemType == null)
- {
- Logger.Error("Cannot find type {0}. Probably belongs to plug-in that is no longer loaded.", type);
- continue;
- }
- var item = JsonSerializer.DeserializeFromStream(stream, itemType) as BaseItem;
- if (item != null)
- {
- item.Parent = parent;
- yield return item;
- }
- }
- }
- }
- }
-
- /// <summary>
- /// Save references to all the children for the given folder
- /// (Doesn't actually save the child entities)
- /// </summary>
- /// <param name="id">The id.</param>
- /// <param name="children">The children.</param>
- /// <param name="cancellationToken">The cancellation token.</param>
- /// <returns>Task.</returns>
- /// <exception cref="System.ArgumentNullException">id</exception>
- public Task SaveChildren(Guid id, IEnumerable<BaseItem> children, CancellationToken cancellationToken)
- {
- if (id == Guid.Empty)
- {
- throw new ArgumentNullException("id");
- }
-
- if (children == null)
- {
- throw new ArgumentNullException("children");
- }
-
- if (cancellationToken == null)
- {
- throw new ArgumentNullException("cancellationToken");
- }
-
- cancellationToken.ThrowIfCancellationRequested();
-
- return Task.Run(() =>
- {
- var cmd = connection.CreateCommand();
-
- cmd.CommandText = "delete from children where guid = @guid";
- cmd.AddParam("@guid", id);
-
- QueueCommand(cmd);
-
- foreach (var child in children)
- {
- var guid = child.Id;
- cmd = connection.CreateCommand();
- cmd.AddParam("@guid", id);
- cmd.CommandText = "replace into children (guid, child) values (@guid, @child)";
- var childParam = cmd.Parameters.Add("@child", DbType.Guid);
-
- childParam.Value = guid;
- QueueCommand(cmd);
- }
- });
- }
- }
-}