Merge pull request #2350 from MediaBrowser/beta

Beta

1 files changed, 239 insertions, 0 deletions

diff --git a/Emby.Server.Implementations/Data/SqliteDisplayPreferencesRepository.cs b/Emby.Server.Implementations/Data/SqliteDisplayPreferencesRepository.cs
new file mode 100644
index 000000000..f3d84315e
--- /dev/null
+++ b/Emby.Server.Implementations/Data/SqliteDisplayPreferencesRepository.cs
@@ -0,0 +1,239 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Threading;
+using System.Threading.Tasks;
+using MediaBrowser.Common.Configuration;
+using MediaBrowser.Common.Extensions;
+using MediaBrowser.Controller.Persistence;
+using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.IO;
+using MediaBrowser.Model.Logging;
+using MediaBrowser.Model.Serialization;
+using SQLitePCL.pretty;
+
+namespace Emby.Server.Implementations.Data
+{
+    /// <summary>
+    /// Class SQLiteDisplayPreferencesRepository
+    /// </summary>
+    public class SqliteDisplayPreferencesRepository : BaseSqliteRepository, IDisplayPreferencesRepository
+    {
+        private readonly IMemoryStreamFactory _memoryStreamProvider;
+
+        public SqliteDisplayPreferencesRepository(ILogger logger, IJsonSerializer jsonSerializer, IApplicationPaths appPaths, IMemoryStreamFactory memoryStreamProvider)
+            : base(logger)
+        {
+            _jsonSerializer = jsonSerializer;
+            _memoryStreamProvider = memoryStreamProvider;
+            DbFilePath = Path.Combine(appPaths.DataPath, "displaypreferences.db");
+        }
+
+        /// <summary>
+        /// Gets the name of the repository
+        /// </summary>
+        /// <value>The name.</value>
+        public string Name
+        {
+            get
+            {
+                return "SQLite";
+            }
+        }
+
+        /// <summary>
+        /// The _json serializer
+        /// </summary>
+        private readonly IJsonSerializer _jsonSerializer;
+
+        /// <summary>
+        /// Opens the connection to the database
+        /// </summary>
+        /// <returns>Task.</returns>
+        public void Initialize()
+        {
+            using (var connection = CreateConnection())
+            {
+                RunDefaultInitialization(connection);
+
+                string[] queries = {
+
+                    "create table if not exists userdisplaypreferences (id GUID, userId GUID, client text, data BLOB)",
+                    "create unique index if not exists userdisplaypreferencesindex on userdisplaypreferences (id, userId, client)"
+                               };
+
+                connection.RunQueries(queries);
+            }
+        }
+
+        /// <summary>
+        /// Save the display preferences associated with an item in the repo
+        /// </summary>
+        /// <param name="displayPreferences">The display preferences.</param>
+        /// <param name="userId">The user id.</param>
+        /// <param name="client">The client.</param>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <returns>Task.</returns>
+        /// <exception cref="System.ArgumentNullException">item</exception>
+        public async Task SaveDisplayPreferences(DisplayPreferences displayPreferences, Guid userId, string client, CancellationToken cancellationToken)
+        {
+            if (displayPreferences == null)
+            {
+                throw new ArgumentNullException("displayPreferences");
+            }
+            if (string.IsNullOrWhiteSpace(displayPreferences.Id))
+            {
+                throw new ArgumentNullException("displayPreferences.Id");
+            }
+
+            cancellationToken.ThrowIfCancellationRequested();
+
+            using (WriteLock.Write())
+            {
+                using (var connection = CreateConnection())
+                {
+                    connection.RunInTransaction(db =>
+                    {
+                        SaveDisplayPreferences(displayPreferences, userId, client, db);
+                    }, TransactionMode);
+                }
+            }
+        }
+
+        private void SaveDisplayPreferences(DisplayPreferences displayPreferences, Guid userId, string client, IDatabaseConnection connection)
+        {
+            var serialized = _jsonSerializer.SerializeToBytes(displayPreferences, _memoryStreamProvider);
+
+            using (var statement = connection.PrepareStatement("replace into userdisplaypreferences (id, userid, client, data) values (@id, @userId, @client, @data)"))
+            {
+                statement.TryBind("@id", displayPreferences.Id.ToGuidParamValue());
+                statement.TryBind("@userId", userId.ToGuidParamValue());
+                statement.TryBind("@client", client);
+                statement.TryBind("@data", serialized);
+
+                statement.MoveNext();
+            }
+        }
+
+        /// <summary>
+        /// Save all display preferences associated with a user in the repo
+        /// </summary>
+        /// <param name="displayPreferences">The display preferences.</param>
+        /// <param name="userId">The user id.</param>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <returns>Task.</returns>
+        /// <exception cref="System.ArgumentNullException">item</exception>
+        public async Task SaveAllDisplayPreferences(IEnumerable<DisplayPreferences> displayPreferences, Guid userId, CancellationToken cancellationToken)
+        {
+            if (displayPreferences == null)
+            {
+                throw new ArgumentNullException("displayPreferences");
+            }
+
+            cancellationToken.ThrowIfCancellationRequested();
+
+            using (WriteLock.Write())
+            {
+                using (var connection = CreateConnection())
+                {
+                    connection.RunInTransaction(db =>
+                    {
+                        foreach (var displayPreference in displayPreferences)
+                        {
+                            SaveDisplayPreferences(displayPreference, userId, displayPreference.Client, db);
+                        }
+                    }, TransactionMode);
+                }
+            }
+        }
+
+        /// <summary>
+        /// Gets the display preferences.
+        /// </summary>
+        /// <param name="displayPreferencesId">The display preferences id.</param>
+        /// <param name="userId">The user id.</param>
+        /// <param name="client">The client.</param>
+        /// <returns>Task{DisplayPreferences}.</returns>
+        /// <exception cref="System.ArgumentNullException">item</exception>
+        public DisplayPreferences GetDisplayPreferences(string displayPreferencesId, Guid userId, string client)
+        {
+            if (string.IsNullOrWhiteSpace(displayPreferencesId))
+            {
+                throw new ArgumentNullException("displayPreferencesId");
+            }
+
+            var guidId = displayPreferencesId.GetMD5();
+
+            using (WriteLock.Read())
+            {
+                using (var connection = CreateConnection(true))
+                {
+                    using (var statement = connection.PrepareStatement("select data from userdisplaypreferences where id = @id and userId=@userId and client=@client"))
+                    {
+                        statement.TryBind("@id", guidId.ToGuidParamValue());
+                        statement.TryBind("@userId", userId.ToGuidParamValue());
+                        statement.TryBind("@client", client);
+
+                        foreach (var row in statement.ExecuteQuery())
+                        {
+                            return Get(row);
+                        }
+                    }
+
+                    return new DisplayPreferences
+                    {
+                        Id = guidId.ToString("N")
+                    };
+                }
+            }
+        }
+
+        /// <summary>
+        /// Gets all display preferences for the given user.
+        /// </summary>
+        /// <param name="userId">The user id.</param>
+        /// <returns>Task{DisplayPreferences}.</returns>
+        /// <exception cref="System.ArgumentNullException">item</exception>
+        public IEnumerable<DisplayPreferences> GetAllDisplayPreferences(Guid userId)
+        {
+            var list = new List<DisplayPreferences>();
+
+            using (WriteLock.Read())
+            {
+                using (var connection = CreateConnection(true))
+                {
+                    using (var statement = connection.PrepareStatement("select data from userdisplaypreferences where userId=@userId"))
+                    {
+                        statement.TryBind("@userId", userId.ToGuidParamValue());
+
+                        foreach (var row in statement.ExecuteQuery())
+                        {
+                            list.Add(Get(row));
+                        }
+                    }
+                }
+            }
+
+            return list;
+        }
+
+        private DisplayPreferences Get(IReadOnlyList<IResultSetValue> row)
+        {
+            using (var stream = _memoryStreamProvider.CreateNew(row[0].ToBlob()))
+            {
+                stream.Position = 0;
+                return _jsonSerializer.DeserializeFromStream<DisplayPreferences>(stream);
+            }
+        }
+
+        public Task SaveDisplayPreferences(DisplayPreferences displayPreferences, string userId, string client, CancellationToken cancellationToken)
+        {
+            return SaveDisplayPreferences(displayPreferences, new Guid(userId), client, cancellationToken);
+        }
+
+        public DisplayPreferences GetDisplayPreferences(string displayPreferencesId, string userId, string client)
+        {
+            return GetDisplayPreferences(displayPreferencesId, new Guid(userId), client);
+        }
+    }
+}
\ No newline at end of file