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using System;
using System.Collections.Generic;
using System.Collections.Immutable;
using System.Linq;
using Jellyfin.Data.Entities;
using Jellyfin.Data.Enums;
using Jellyfin.Extensions;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Persistence;
using Microsoft.EntityFrameworkCore;
namespace Jellyfin.Server.Implementations.Item;
/// <summary>
/// Manager for handling people.
/// </summary>
/// <param name="dbProvider">Efcore Factory.</param>
/// <remarks>
/// Initializes a new instance of the <see cref="PeopleRepository"/> class.
/// </remarks>
public class PeopleRepository(IDbContextFactory<JellyfinDbContext> dbProvider) : IPeopleRepository
{
private readonly IDbContextFactory<JellyfinDbContext> _dbProvider = dbProvider;
/// <inheritdoc/>
public IReadOnlyList<PersonInfo> GetPeople(InternalPeopleQuery filter)
{
using var context = _dbProvider.CreateDbContext();
var dbQuery = TranslateQuery(context.Peoples.AsNoTracking(), context, filter);
dbQuery = dbQuery.OrderBy(e => e.ListOrder);
if (filter.Limit > 0)
{
dbQuery = dbQuery.Take(filter.Limit);
}
return dbQuery.ToList().Select(Map).ToImmutableArray();
}
/// <inheritdoc/>
public IReadOnlyList<string> GetPeopleNames(InternalPeopleQuery filter)
{
using var context = _dbProvider.CreateDbContext();
var dbQuery = TranslateQuery(context.Peoples.AsNoTracking(), context, filter);
dbQuery = dbQuery.OrderBy(e => e.ListOrder);
if (filter.Limit > 0)
{
dbQuery = dbQuery.Take(filter.Limit);
}
return dbQuery.Select(e => e.Name).ToImmutableArray();
}
/// <inheritdoc />
public void UpdatePeople(Guid itemId, IReadOnlyList<PersonInfo> people)
{
using var context = _dbProvider.CreateDbContext();
using var transaction = context.Database.BeginTransaction();
context.Peoples.Where(e => e.ItemId.Equals(itemId)).ExecuteDelete();
context.Peoples.AddRange(people.Select(Map));
context.SaveChanges();
transaction.Commit();
}
private PersonInfo Map(People people)
{
var personInfo = new PersonInfo()
{
ItemId = people.ItemId,
Name = people.Name,
Role = people.Role,
SortOrder = people.SortOrder,
};
if (Enum.TryParse<PersonKind>(people.PersonType, out var kind))
{
personInfo.Type = kind;
}
return personInfo;
}
private People Map(PersonInfo people)
{
var personInfo = new People()
{
ItemId = people.ItemId,
Name = people.Name,
Role = people.Role,
SortOrder = people.SortOrder,
PersonType = people.Type.ToString(),
Item = null!,
ListOrder = people.SortOrder
};
return personInfo;
}
private IQueryable<People> TranslateQuery(IQueryable<People> query, JellyfinDbContext context, InternalPeopleQuery filter)
{
if (filter.User is not null && filter.IsFavorite.HasValue)
{
query = query.Where(e => e.PersonType == typeof(Person).FullName)
.Where(e => context.BaseItems.Where(d => context.UserData.Where(e => e.IsFavorite == filter.IsFavorite && e.UserId.Equals(filter.User.Id)).Any(f => f.Key == d.UserDataKey))
.Select(f => f.Name).Contains(e.Name));
}
if (!filter.ItemId.IsEmpty())
{
query = query.Where(e => e.ItemId.Equals(filter.ItemId));
}
if (!filter.AppearsInItemId.IsEmpty())
{
query = query.Where(e => context.Peoples.Where(f => f.ItemId.Equals(filter.AppearsInItemId)).Select(e => e.Name).Contains(e.Name));
}
var queryPersonTypes = filter.PersonTypes.Where(IsValidPersonType).ToList();
if (queryPersonTypes.Count > 0)
{
query = query.Where(e => queryPersonTypes.Contains(e.PersonType));
}
var queryExcludePersonTypes = filter.ExcludePersonTypes.Where(IsValidPersonType).ToList();
if (queryExcludePersonTypes.Count > 0)
{
query = query.Where(e => !queryPersonTypes.Contains(e.PersonType));
}
if (filter.MaxListOrder.HasValue)
{
query = query.Where(e => e.ListOrder <= filter.MaxListOrder.Value);
}
if (!string.IsNullOrWhiteSpace(filter.NameContains))
{
query = query.Where(e => e.Name.Contains(filter.NameContains));
}
return query;
}
private bool IsAlphaNumeric(string str)
{
if (string.IsNullOrWhiteSpace(str))
{
return false;
}
for (int i = 0; i < str.Length; i++)
{
if (!char.IsLetter(str[i]) && !char.IsNumber(str[i]))
{
return false;
}
}
return true;
}
private bool IsValidPersonType(string value)
{
return IsAlphaNumeric(value);
}
}
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