104 lines
3.4 KiB
C#
104 lines
3.4 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading.Tasks;
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using Jellyfin.Data.Entities;
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using MediaBrowser.Model.Activity;
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using MediaBrowser.Model.Events;
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using MediaBrowser.Model.Querying;
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namespace Jellyfin.Server.Implementations.Activity
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{
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/// <summary>
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/// Manages the storage and retrieval of <see cref="ActivityLog"/> instances.
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/// </summary>
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public class ActivityManager : IActivityManager
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{
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private readonly JellyfinDbProvider _provider;
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/// <summary>
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/// Initializes a new instance of the <see cref="ActivityManager"/> class.
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/// </summary>
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/// <param name="provider">The Jellyfin database provider.</param>
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public ActivityManager(JellyfinDbProvider provider)
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{
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_provider = provider;
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}
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/// <inheritdoc/>
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public event EventHandler<GenericEventArgs<ActivityLogEntry>> EntryCreated;
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/// <inheritdoc/>
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public void Create(ActivityLog entry)
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{
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using var dbContext = _provider.CreateContext();
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dbContext.ActivityLogs.Add(entry);
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dbContext.SaveChanges();
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EntryCreated?.Invoke(this, new GenericEventArgs<ActivityLogEntry>(ConvertToOldModel(entry)));
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}
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/// <inheritdoc/>
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public async Task CreateAsync(ActivityLog entry)
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{
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using var dbContext = _provider.CreateContext();
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await dbContext.ActivityLogs.AddAsync(entry);
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await dbContext.SaveChangesAsync().ConfigureAwait(false);
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EntryCreated?.Invoke(this, new GenericEventArgs<ActivityLogEntry>(ConvertToOldModel(entry)));
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}
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/// <inheritdoc/>
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public QueryResult<ActivityLogEntry> GetPagedResult(
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Func<IQueryable<ActivityLog>, IEnumerable<ActivityLog>> func,
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int? startIndex,
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int? limit)
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{
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using var dbContext = _provider.CreateContext();
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var result = func.Invoke(dbContext.ActivityLogs).AsQueryable();
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if (startIndex.HasValue)
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{
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result = result.Where(entry => entry.Id >= startIndex.Value);
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}
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if (limit.HasValue)
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{
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result = result.OrderByDescending(entry => entry.DateCreated).Take(limit.Value);
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}
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// This converts the objects from the new database model to the old for compatibility with the existing API.
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var list = result.Select(entry => ConvertToOldModel(entry)).ToList();
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return new QueryResult<ActivityLogEntry>()
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{
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Items = list,
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TotalRecordCount = list.Count
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};
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}
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/// <inheritdoc/>
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public QueryResult<ActivityLogEntry> GetPagedResult(int? startIndex, int? limit)
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{
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return GetPagedResult(logs => logs, startIndex, limit);
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}
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private static ActivityLogEntry ConvertToOldModel(ActivityLog entry)
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{
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return new ActivityLogEntry
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{
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Id = entry.Id,
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Name = entry.Name,
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Overview = entry.Overview,
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ShortOverview = entry.ShortOverview,
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Type = entry.Type,
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ItemId = entry.ItemId,
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UserId = entry.UserId,
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Date = entry.DateCreated,
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Severity = entry.LogSeverity
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};
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}
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}
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}
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