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Solving a bug with libraries links

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This commit is contained in:
Zoe Roux 2020-02-08 19:09:15 +01:00
parent d307308fb4
commit b9b00192bc
3 changed files with 16 additions and 4 deletions
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3
Kyoo.Common/Models/LibraryLink.cs
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@ -1,3 +1,6 @@
using System;
#nullable enable
namespace Kyoo.Models namespace Kyoo.Models
{ {
public class LibraryLink public class LibraryLink

6
Kyoo/Controllers/LibraryManager.cs
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@ -347,10 +347,10 @@ namespace Kyoo.Controllers
{ {
if (collection != null) if (collection != null)
{ {
_database.LibraryLinks.Add(new LibraryLink {LibraryID = library.ID, CollectionID = collection.ID}); _database.LibraryLinks.AddIfNotExist(new LibraryLink {LibraryID = library.ID, CollectionID = collection.ID}, x => x.LibraryID == library.ID && x.CollectionID == collection.ID && x.ShowID == null);
_database.CollectionLinks.Add(new CollectionLink { CollectionID = collection.ID, ShowID = show.ID}); _database.CollectionLinks.AddIfNotExist(new CollectionLink { CollectionID = collection.ID, ShowID = show.ID}, x => x.CollectionID == collection.ID && x.ShowID == show.ID);
} }
_database.LibraryLinks.Add(new LibraryLink {LibraryID = library.ID, ShowID = show.ID}); _database.LibraryLinks.AddIfNotExist(new LibraryLink {LibraryID = library.ID, ShowID = show.ID}, x => x.LibraryID == library.ID && x.CollectionID == null && x.ShowID == show.ID);
_database.SaveChanges(); _database.SaveChanges();
} }

9
Kyoo/DatabaseContext.cs
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@ -51,3 +51,12 @@ namespace Kyoo
} }
} }
} }
public static class DbSetExtension
{
public static EntityEntry<T> AddIfNotExist<T>(this DbSet<T> db, T entity, Func<T, bool> predicate) where T : class
{
bool exists = db.Any(predicate);
return exists ? null : db.Add(entity);
}
}