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The track graph validation now works a bit

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This commit is contained in:
Zoe Roux 2020-05-10 04:06:46 +02:00
parent bd15d425df
commit 6e61b21e9a
1 changed files with 52 additions and 21 deletions
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51
Kyoo/Controllers/LibraryManager.cs
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@ -221,6 +221,9 @@ namespace Kyoo.Controllers
}
private void ValidateChanges()
{
_database.ChangeTracker.AutoDetectChangesEnabled = false;
try
{
foreach (EntityEntry sourceEntry in _database.ChangeTracker.Entries())
{
@ -235,8 +238,20 @@ namespace Kyoo.Controllers
object value = navigation.Metadata.PropertyInfo.GetValue(sourceEntry.Entity);
if (value == null)
continue;
navigation.Metadata.PropertyInfo.SetValue(sourceEntry.Entity, Validate(value));
object newValue = Validate(value);
if (newValue != value)
navigation.Metadata.PropertyInfo.SetValue(sourceEntry.Entity, newValue);
else
_database.Entry(value).State = EntityState.Detached;
}
break;
}
}
finally
{
_database.ChangeTracker.AutoDetectChangesEnabled = true;
_database.ChangeTracker.DetectChanges();
}
}
#endregion
@ -439,28 +454,27 @@ namespace Kyoo.Controllers
#endregion
#region ValidateValue
private T Validate<T>(T obj) where T : class
{
if (obj == null)
return null;
if (!(obj is IEnumerable) && _database.Entry(obj).IsKeySet)
if (!(obj is IEnumerable) && _database.Entry(obj).State != EntityState.Added)
return obj;
switch(obj)
{
case ProviderLink link:
link.Provider = Validate(link.Provider);
link.Library = Validate(link.Library);
link.Provider = ValidateLink(() => link.Provider); //TODO Calling this methods make the obj in a deteached state. Don't know why.
link.Library = ValidateLink(() => link.Library);
return obj;
case GenreLink link:
link.Show = Validate(link.Show);
link.Genre = Validate(link.Genre);
link.Show = ValidateLink(() => link.Show);
link.Genre = ValidateLink(() => link.Genre);
return obj;
case PeopleLink link:
link.Show = Validate(link.Show);
link.People = Validate(link.People);
link.Show = ValidateLink(() => link.Show);
link.People = ValidateLink(() => link.People);
return obj;
}
@ -484,7 +498,24 @@ namespace Kyoo.Controllers
public IEnumerable<T> ValidateList<T>(IEnumerable<T> list) where T : class
{
return list.Select(Validate).Where(x => x != null);
return list.Select(x =>
{
T tmp = Validate(x);
if (tmp != x)
_database.Entry(x).State = EntityState.Detached;
return tmp ?? x;
}).Where(x => x != null).ToList();
}
private T ValidateLink<T>(Func<T> linkGet) where T : class
{
if (linkGet == null)
throw new ArgumentNullException(nameof(linkGet));
T oldValue = linkGet();
T newValue = Validate(oldValue);
if (!ReferenceEquals(oldValue, newValue))
_database.Entry(linkGet()).State = EntityState.Detached;
return newValue;
}
public Library Validate(Library library)