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using System;
using System.Linq;
using System.Threading.Tasks;
using Jellyfin.Data.Events;
using Jellyfin.Data.Queries;
using Jellyfin.Database.Implementations;
using Jellyfin.Database.Implementations.Entities;
using MediaBrowser.Model.Activity;
using MediaBrowser.Model.Querying;
using Microsoft.EntityFrameworkCore;
namespace Jellyfin.Server.Implementations.Activity
{
/// <summary>
/// Manages the storage and retrieval of <see cref="ActivityLog"/> instances.
/// </summary>
public class ActivityManager : IActivityManager
{
private readonly IDbContextFactory<JellyfinDbContext> _provider;
/// <summary>
/// Initializes a new instance of the <see cref="ActivityManager"/> class.
/// </summary>
/// <param name="provider">The Jellyfin database provider.</param>
public ActivityManager(IDbContextFactory<JellyfinDbContext> provider)
{
_provider = provider;
}
/// <inheritdoc/>
public event EventHandler<GenericEventArgs<ActivityLogEntry>>? EntryCreated;
/// <inheritdoc/>
public async Task CreateAsync(ActivityLog entry)
{
var dbContext = await _provider.CreateDbContextAsync().ConfigureAwait(false);
await using (dbContext.ConfigureAwait(false))
{
dbContext.ActivityLogs.Add(entry);
await dbContext.SaveChangesAsync().ConfigureAwait(false);
}
EntryCreated?.Invoke(this, new GenericEventArgs<ActivityLogEntry>(ConvertToOldModel(entry)));
}
/// <inheritdoc/>
public async Task<QueryResult<ActivityLogEntry>> GetPagedResultAsync(ActivityLogQuery query)
{
var dbContext = await _provider.CreateDbContextAsync().ConfigureAwait(false);
await using (dbContext.ConfigureAwait(false))
{
var entries = dbContext.ActivityLogs
.OrderByDescending(entry => entry.DateCreated)
.Where(entry => query.MinDate == null || entry.DateCreated >= query.MinDate)
.Where(entry => !query.HasUserId.HasValue || entry.UserId.Equals(default) != query.HasUserId.Value);
return new QueryResult<ActivityLogEntry>(
query.Skip,
await entries.CountAsync().ConfigureAwait(false),
await entries
.Skip(query.Skip ?? 0)
.Take(query.Limit ?? 100)
.Select(entity => new ActivityLogEntry(entity.Name, entity.Type, entity.UserId)
{
Id = entity.Id,
Overview = entity.Overview,
ShortOverview = entity.ShortOverview,
ItemId = entity.ItemId,
Date = entity.DateCreated,
Severity = entity.LogSeverity
})
.ToListAsync()
.ConfigureAwait(false));
}
}
/// <inheritdoc />
public async Task CleanAsync(DateTime startDate)
{
var dbContext = await _provider.CreateDbContextAsync().ConfigureAwait(false);
await using (dbContext.ConfigureAwait(false))
{
await dbContext.ActivityLogs
.Where(entry => entry.DateCreated <= startDate)
.ExecuteDeleteAsync()
.ConfigureAwait(false);
}
}
private static ActivityLogEntry ConvertToOldModel(ActivityLog entry)
{
return new ActivityLogEntry(entry.Name, entry.Type, entry.UserId)
{
Id = entry.Id,
Overview = entry.Overview,
ShortOverview = entry.ShortOverview,
ItemId = entry.ItemId,
Date = entry.DateCreated,
Severity = entry.LogSeverity
};
}
}
}
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