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MediaLibrary: Fixing that removing TitlePart from a type with MediaPart causes the type to be unusable due to an implicit dependency, fixes #6047

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This commit is contained in:
Lombiq
2017-02-04 15:49:19 +01:00
committed by Benedek Farkas
parent f28da9894a
commit 8dde994bde
2 changed files with 26 additions and 7 deletions
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27
src/Orchard.Web/Modules/Orchard.MediaLibrary/Handlers/MediaPartHandler.cs
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@@ -1,25 +1,40 @@
using System;
using Orchard.ContentManagement.Handlers;
using Orchard.Data;
using Orchard.MediaLibrary.Services;
using Orchard.MediaLibrary.Models;
using System.IO;
using Orchard.FileSystems.Media;
using System.Linq;
using Orchard.ContentManagement;
using Orchard.ContentManagement.Handlers;
using Orchard.ContentManagement.MetaData;
using Orchard.Core.Title.Models;
using Orchard.Data;
using Orchard.FileSystems.Media;
using Orchard.MediaLibrary.Models;
using Orchard.MediaLibrary.Services;
namespace Orchard.MediaLibrary.Handlers {
public class MediaPartHandler : ContentHandler {
private readonly IMediaLibraryService _mediaLibraryService;
private readonly IStorageProvider _storageProvider;
private readonly IContentDefinitionManager _contentDefinitionManager;
public MediaPartHandler(
IStorageProvider storageProvider,
IMediaLibraryService mediaLibraryService,
IRepository<MediaPartRecord> repository) {
IRepository<MediaPartRecord> repository,
IContentDefinitionManager contentDefinitionManager) {
_storageProvider = storageProvider;
_mediaLibraryService = mediaLibraryService;
_contentDefinitionManager = contentDefinitionManager;
Filters.Add(StorageFilter.For(repository));
Filters.Add(new ActivatingFilter<TitlePart>(contentType => {
var typeDefinition = _contentDefinitionManager.GetTypeDefinition(contentType);
// To avoid NRE when the handler runs for ad-hoc content types, e.g. MediaLibraryExplorer.
return typeDefinition == null ?
false :
typeDefinition.Parts.Any(contentTypePartDefinition =>
contentTypePartDefinition.PartDefinition.Name == typeof(MediaPart).Name);
}));
OnRemoving<MediaPart>((context, part) => RemoveMedia(part));
OnLoaded<MediaPart>((context, part) => {
if (!String.IsNullOrEmpty(part.FileName)) {

4
src/Orchard.Web/Modules/Orchard.MediaLibrary/Models/MediaPart.cs
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@@ -1,8 +1,10 @@
using System;
using Orchard.ContentManagement;
using Orchard.ContentManagement.FieldStorage.InfosetStorage;
using Orchard.ContentManagement.Handlers;
using Orchard.ContentManagement.Utilities;
using Orchard.Core.Title.Models;
using Orchard.MediaLibrary.Handlers;
namespace Orchard.MediaLibrary.Models {
public class MediaPart : ContentPart<MediaPartRecord> {
@@ -11,6 +13,8 @@ namespace Orchard.MediaLibrary.Models {
/// <summary>
/// Gets or sets the title of the media.
/// This adds an implicit dependency on <see cref="TitlePart"/> which will be resolved by an
/// <see cref="ActivatingFilter{TPart}"/> in the <see cref="MediaPartHandler"/>.
/// </summary>
public string Title {
get { return ContentItem.As<TitlePart>().Title; }