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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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69
Kyoo/Controllers/LibraryManager.cs
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@ -222,22 +222,37 @@ namespace Kyoo.Controllers
private void ValidateChanges() private void ValidateChanges()
{ {
foreach (EntityEntry sourceEntry in _database.ChangeTracker.Entries()) _database.ChangeTracker.AutoDetectChangesEnabled = false;
try
{ {
if (sourceEntry.State != EntityState.Added && sourceEntry.State != EntityState.Modified) foreach (EntityEntry sourceEntry in _database.ChangeTracker.Entries())
continue;
foreach (NavigationEntry navigation in sourceEntry.Navigations)
{ {
if (navigation.IsModified == false) if (sourceEntry.State != EntityState.Added && sourceEntry.State != EntityState.Modified)
continue; continue;
object value = navigation.Metadata.PropertyInfo.GetValue(sourceEntry.Entity); foreach (NavigationEntry navigation in sourceEntry.Navigations)
if (value == null) {
continue; if (navigation.IsModified == false)
navigation.Metadata.PropertyInfo.SetValue(sourceEntry.Entity, Validate(value)); continue;
object value = navigation.Metadata.PropertyInfo.GetValue(sourceEntry.Entity);
if (value == null)
continue;
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 #endregion
@ -439,28 +454,27 @@ namespace Kyoo.Controllers
#endregion #endregion
#region ValidateValue #region ValidateValue
private T Validate<T>(T obj) where T : class private T Validate<T>(T obj) where T : class
{ {
if (obj == null) if (obj == null)
return null; return null;
if (!(obj is IEnumerable) && _database.Entry(obj).IsKeySet) if (!(obj is IEnumerable) && _database.Entry(obj).State != EntityState.Added)
return obj; return obj;
switch(obj) switch(obj)
{ {
case ProviderLink link: case ProviderLink link:
link.Provider = Validate(link.Provider); link.Provider = ValidateLink(() => link.Provider); //TODO Calling this methods make the obj in a deteached state. Don't know why.
link.Library = Validate(link.Library); link.Library = ValidateLink(() => link.Library);
return obj; return obj;
case GenreLink link: case GenreLink link:
link.Show = Validate(link.Show); link.Show = ValidateLink(() => link.Show);
link.Genre = Validate(link.Genre); link.Genre = ValidateLink(() => link.Genre);
return obj; return obj;
case PeopleLink link: case PeopleLink link:
link.Show = Validate(link.Show); link.Show = ValidateLink(() => link.Show);
link.People = Validate(link.People); link.People = ValidateLink(() => link.People);
return obj; return obj;
} }
@ -484,7 +498,24 @@ namespace Kyoo.Controllers
public IEnumerable<T> ValidateList<T>(IEnumerable<T> list) where T : class 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) public Library Validate(Library library)