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Updated media service with correct usage of emitting events and having non nested uow

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This commit is contained in:
Shannon
2017-01-23 22:29:38 +11:00
parent 55eb996c19
commit 82dbfb769e
1 changed files with 105 additions and 81 deletions
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186
src/Umbraco.Core/Services/MediaService.cs
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@@ -67,7 +67,8 @@ namespace Umbraco.Core.Services
var parent = GetById(media.ParentId);
media.Path = string.Concat(parent.IfNotNull(x => x.Path, media.ParentId.ToString()), ",", media.Id);
using (var uow = UowProvider.GetUnitOfWork())
//we are using GetReadOnlyUnitOfWork because this actually doesn't write anything!
using (var uow = UowProvider.GetReadOnlyUnitOfWork())
{
if (Creating.IsRaisedEventCancelled(new NewEventArgs<IMedia>(media, mediaTypeAlias, parentId), this, uow.EventManager))
{
@@ -109,7 +110,8 @@ namespace Umbraco.Core.Services
var media = new Models.Media(name, parent, mediaType);
media.Path = string.Concat(parent.Path, ",", media.Id);
using (var uow = UowProvider.GetUnitOfWork())
//we are using GetReadOnlyUnitOfWork because this actually doesn't write anything!
using (var uow = UowProvider.GetReadOnlyUnitOfWork())
{
if (Creating.IsRaisedEventCancelled(new NewEventArgs<IMedia>(media, mediaTypeAlias, parent), this, uow.EventManager))
{
@@ -144,23 +146,22 @@ namespace Umbraco.Core.Services
{
var mediaType = FindMediaTypeByAlias(mediaTypeAlias);
var media = new Models.Media(name, parentId, mediaType);
var uow = UowProvider.GetUnitOfWork();
//NOTE: I really hate the notion of these Creating/Created events - they are so inconsistent, I've only just found
// out that in these 'WithIdentity' methods, the Saving/Saved events were not fired, wtf. Anyways, they're added now.
if (Creating.IsRaisedEventCancelled(new NewEventArgs<IMedia>(media, mediaTypeAlias, parentId), this, uow.EventManager))
if (Creating.IsRaisedEventCancelled(new NewEventArgs<IMedia>(media, mediaTypeAlias, parentId), this, UowProvider))
{
media.WasCancelled = true;
return media;
}
if (Saving.IsRaisedEventCancelled(new SaveEventArgs<IMedia>(media), this, uow.EventManager))
if (Saving.IsRaisedEventCancelled(new SaveEventArgs<IMedia>(media), this, UowProvider))
{
media.WasCancelled = true;
return media;
}
var uow = UowProvider.GetUnitOfWork();
using (var repository = RepositoryFactory.CreateMediaRepository(uow))
{
media.CreatorId = userId;
@@ -174,12 +175,12 @@ namespace Umbraco.Core.Services
}
uow.Commit();
Saved.RaiseEvent(new SaveEventArgs<IMedia>(media, false), this, uow.EventManager);
Created.RaiseEvent(new NewEventArgs<IMedia>(media, false, mediaTypeAlias, parentId), this, uow.EventManager);
}
Saved.RaiseEvent(new SaveEventArgs<IMedia>(media, false), this);
Created.RaiseEvent(new NewEventArgs<IMedia>(media, false, mediaTypeAlias, parentId), this);
Audit(AuditType.New, string.Format("Media '{0}' was created with Id {1}", name, media.Id), media.CreatorId, media.Id);
return media;
@@ -205,22 +206,21 @@ namespace Umbraco.Core.Services
var mediaType = FindMediaTypeByAlias(mediaTypeAlias);
var media = new Models.Media(name, parent, mediaType);
var uow = UowProvider.GetUnitOfWork();
//NOTE: I really hate the notion of these Creating/Created events - they are so inconsistent, I've only just found
// out that in these 'WithIdentity' methods, the Saving/Saved events were not fired, wtf. Anyways, they're added now.
if (Creating.IsRaisedEventCancelled(new NewEventArgs<IMedia>(media, mediaTypeAlias, parent), this, uow.EventManager))
if (Creating.IsRaisedEventCancelled(new NewEventArgs<IMedia>(media, mediaTypeAlias, parent), this, UowProvider))
{
media.WasCancelled = true;
return media;
}
if (Saving.IsRaisedEventCancelled(new SaveEventArgs<IMedia>(media), this, uow.EventManager))
if (Saving.IsRaisedEventCancelled(new SaveEventArgs<IMedia>(media), this, UowProvider))
{
media.WasCancelled = true;
return media;
}
var uow = UowProvider.GetUnitOfWork();
using (var repository = RepositoryFactory.CreateMediaRepository(uow))
{
media.CreatorId = userId;
@@ -233,12 +233,12 @@ namespace Umbraco.Core.Services
}
uow.Commit();
Saved.RaiseEvent(new SaveEventArgs<IMedia>(media, false), this, uow.EventManager);
Created.RaiseEvent(new NewEventArgs<IMedia>(media, false, mediaTypeAlias, parent), this, uow.EventManager);
}
Saved.RaiseEvent(new SaveEventArgs<IMedia>(media, false), this);
Created.RaiseEvent(new NewEventArgs<IMedia>(media, false, mediaTypeAlias, parent), this);
Audit(AuditType.New, string.Format("Media '{0}' was created with Id {1}", name, media.Id), media.CreatorId, media.Id);
return media;
@@ -251,7 +251,7 @@ namespace Umbraco.Core.Services
/// <returns><see cref="IMedia"/></returns>
public IMedia GetById(int id)
{
var uow = UowProvider.GetUnitOfWork();
var uow = UowProvider.GetReadOnlyUnitOfWork();
using (var repository = RepositoryFactory.CreateMediaRepository(uow))
{
return repository.Get(id);
@@ -260,7 +260,7 @@ namespace Umbraco.Core.Services
public int Count(string contentTypeAlias = null)
{
var uow = UowProvider.GetUnitOfWork();
var uow = UowProvider.GetReadOnlyUnitOfWork();
using (var repository = RepositoryFactory.CreateMediaRepository(uow))
{
return repository.Count(contentTypeAlias);
@@ -269,7 +269,7 @@ namespace Umbraco.Core.Services
public int CountChildren(int parentId, string contentTypeAlias = null)
{
var uow = UowProvider.GetUnitOfWork();
var uow = UowProvider.GetReadOnlyUnitOfWork();
using (var repository = RepositoryFactory.CreateMediaRepository(uow))
{
return repository.CountChildren(parentId, contentTypeAlias);
@@ -278,7 +278,7 @@ namespace Umbraco.Core.Services
public int CountDescendants(int parentId, string contentTypeAlias = null)
{
var uow = UowProvider.GetUnitOfWork();
var uow = UowProvider.GetReadOnlyUnitOfWork();
using (var repository = RepositoryFactory.CreateMediaRepository(uow))
{
return repository.CountDescendants(parentId, contentTypeAlias);
@@ -294,7 +294,7 @@ namespace Umbraco.Core.Services
{
if (ids.Any() == false) return Enumerable.Empty<IMedia>();
using (var repository = RepositoryFactory.CreateMediaRepository(UowProvider.GetUnitOfWork()))
using (var repository = RepositoryFactory.CreateMediaRepository(UowProvider.GetReadOnlyUnitOfWork()))
{
return repository.GetAll(ids.ToArray());
}
@@ -307,7 +307,7 @@ namespace Umbraco.Core.Services
/// <returns><see cref="IMedia"/></returns>
public IMedia GetById(Guid key)
{
using (var repository = RepositoryFactory.CreateMediaRepository(UowProvider.GetUnitOfWork()))
using (var repository = RepositoryFactory.CreateMediaRepository(UowProvider.GetReadOnlyUnitOfWork()))
{
var query = Query<IMedia>.Builder.Where(x => x.Key == key);
var contents = repository.GetByQuery(query);
@@ -322,9 +322,9 @@ namespace Umbraco.Core.Services
/// <returns>An Enumerable list of <see cref="IMedia"/> objects</returns>
public IEnumerable<IMedia> GetByLevel(int level)
{
using (var repository = RepositoryFactory.CreateMediaRepository(UowProvider.GetUnitOfWork()))
using (var repository = RepositoryFactory.CreateMediaRepository(UowProvider.GetReadOnlyUnitOfWork()))
{
var query = Query<IMedia>.Builder.Where(x => x.Level == level && !x.Path.StartsWith("-21"));
var query = Query<IMedia>.Builder.Where(x => x.Level == level && x.Path.StartsWith("-21") == false);
var contents = repository.GetByQuery(query);
return contents;
@@ -338,7 +338,7 @@ namespace Umbraco.Core.Services
/// <returns>An <see cref="IMedia"/> item</returns>
public IMedia GetByVersion(Guid versionId)
{
using (var repository = RepositoryFactory.CreateMediaRepository(UowProvider.GetUnitOfWork()))
using (var repository = RepositoryFactory.CreateMediaRepository(UowProvider.GetReadOnlyUnitOfWork()))
{
return repository.GetByVersion(versionId);
}
@@ -351,7 +351,7 @@ namespace Umbraco.Core.Services
/// <returns>An Enumerable list of <see cref="IMedia"/> objects</returns>
public IEnumerable<IMedia> GetVersions(int id)
{
using (var repository = RepositoryFactory.CreateMediaRepository(UowProvider.GetUnitOfWork()))
using (var repository = RepositoryFactory.CreateMediaRepository(UowProvider.GetReadOnlyUnitOfWork()))
{
var versions = repository.GetAllVersions(id);
return versions;
@@ -380,7 +380,7 @@ namespace Umbraco.Core.Services
if (ids.Any() == false)
return new List<IMedia>();
using (var repository = RepositoryFactory.CreateMediaRepository(UowProvider.GetUnitOfWork()))
using (var repository = RepositoryFactory.CreateMediaRepository(UowProvider.GetReadOnlyUnitOfWork()))
{
return repository.GetAll(ids);
}
@@ -393,7 +393,7 @@ namespace Umbraco.Core.Services
/// <returns>An Enumerable list of <see cref="IMedia"/> objects</returns>
public IEnumerable<IMedia> GetChildren(int id)
{
var uow = UowProvider.GetUnitOfWork();
var uow = UowProvider.GetReadOnlyUnitOfWork();
using (var repository = RepositoryFactory.CreateMediaRepository(uow))
{
var query = Query<IMedia>.Builder.Where(x => x.ParentId == id);
@@ -448,7 +448,7 @@ namespace Umbraco.Core.Services
{
Mandate.ParameterCondition(pageIndex >= 0, "pageIndex");
Mandate.ParameterCondition(pageSize > 0, "pageSize");
using (var repository = RepositoryFactory.CreateMediaRepository(UowProvider.GetUnitOfWork()))
using (var repository = RepositoryFactory.CreateMediaRepository(UowProvider.GetReadOnlyUnitOfWork()))
{
var query = Query<IMedia>.Builder;
query.Where(x => x.ParentId == id);
@@ -501,7 +501,7 @@ namespace Umbraco.Core.Services
{
Mandate.ParameterCondition(pageIndex >= 0, "pageIndex");
Mandate.ParameterCondition(pageSize > 0, "pageSize");
using (var repository = RepositoryFactory.CreateMediaRepository(UowProvider.GetUnitOfWork()))
using (var repository = RepositoryFactory.CreateMediaRepository(UowProvider.GetReadOnlyUnitOfWork()))
{
var query = Query<IMedia>.Builder;
@@ -542,7 +542,7 @@ namespace Umbraco.Core.Services
if (media.ValidatePath() == false)
throw new InvalidDataException(string.Format("The content item {0} has an invalid path: {1} with parentID: {2}", media.Id, media.Path, media.ParentId));
var uow = UowProvider.GetUnitOfWork();
var uow = UowProvider.GetReadOnlyUnitOfWork();
using (var repository = RepositoryFactory.CreateMediaRepository(uow))
{
var pathMatch = media.Path + ",";
@@ -584,7 +584,7 @@ namespace Umbraco.Core.Services
/// <returns>An Enumerable list of <see cref="IMedia"/> objects</returns>
public IEnumerable<IMedia> GetMediaOfMediaType(int id)
{
var uow = UowProvider.GetUnitOfWork();
var uow = UowProvider.GetReadOnlyUnitOfWork();
using (var repository = RepositoryFactory.CreateMediaRepository(uow))
{
var query = Query<IMedia>.Builder.Where(x => x.ContentTypeId == id);
@@ -600,7 +600,7 @@ namespace Umbraco.Core.Services
/// <returns>An Enumerable list of <see cref="IMedia"/> objects</returns>
public IEnumerable<IMedia> GetRootMedia()
{
var uow = UowProvider.GetUnitOfWork();
var uow = UowProvider.GetReadOnlyUnitOfWork();
using (var repository = RepositoryFactory.CreateMediaRepository(uow))
{
var query = Query<IMedia>.Builder.Where(x => x.ParentId == -1);
@@ -616,7 +616,7 @@ namespace Umbraco.Core.Services
/// <returns>An Enumerable list of <see cref="IMedia"/> objects</returns>
public IEnumerable<IMedia> GetMediaInRecycleBin()
{
var uow = UowProvider.GetUnitOfWork();
var uow = UowProvider.GetReadOnlyUnitOfWork();
using (var repository = RepositoryFactory.CreateMediaRepository(uow))
{
var query = Query<IMedia>.Builder.Where(x => x.Path.Contains("-21"));
@@ -655,7 +655,7 @@ namespace Umbraco.Core.Services
var sql = createSql(umbracoFileValue);
using (var uow = UowProvider.GetUnitOfWork())
using (var uow = UowProvider.GetReadOnlyUnitOfWork())
{
var propertyDataDto = uow.Database.Fetch<PropertyDataDto, PropertyTypeDto>(sql).FirstOrDefault();
@@ -702,7 +702,7 @@ namespace Umbraco.Core.Services
/// <returns>True if the media has any children otherwise False</returns>
public bool HasChildren(int id)
{
using (var repository = RepositoryFactory.CreateMediaRepository(UowProvider.GetUnitOfWork()))
using (var repository = RepositoryFactory.CreateMediaRepository(UowProvider.GetReadOnlyUnitOfWork()))
{
var query = Query<IMedia>.Builder.Where(x => x.ParentId == id);
int count = repository.Count(query);
@@ -735,7 +735,7 @@ namespace Umbraco.Core.Services
if (Moving.IsRaisedEventCancelled(
new MoveEventArgs<IMedia>(
new MoveEventInfo<IMedia>(media, originalPath, parentId)), this))
new MoveEventInfo<IMedia>(media, originalPath, parentId)), this, UowProvider))
{
return;
}
@@ -768,7 +768,7 @@ namespace Umbraco.Core.Services
false);
}
Moved.RaiseEvent(new MoveEventArgs<IMedia>(false, moveInfo.ToArray()), this);
Moved.RaiseEvent(new MoveEventArgs<IMedia>(false, moveInfo.ToArray()), this, UowProvider);
Audit(AuditType.Move, "Move Media performed by user", userId, media.Id);
}
@@ -799,7 +799,7 @@ namespace Umbraco.Core.Services
var evtMsgs = EventMessagesFactory.Get();
if (Deleting.IsRaisedEventCancelled(
new DeleteEventArgs<IMedia>(media, evtMsgs), this))
new DeleteEventArgs<IMedia>(media, evtMsgs), this, UowProvider))
{
return OperationStatus.Cancelled(evtMsgs);
}
@@ -818,7 +818,7 @@ namespace Umbraco.Core.Services
uow.Commit();
var args = new DeleteEventArgs<IMedia>(media, false, evtMsgs);
Deleted.RaiseEvent(args, this);
Deleted.RaiseEvent(args, this, uow.EventManager);
//remove any flagged media files
repository.DeleteMediaFiles(args.MediaFilesToDelete);
@@ -843,7 +843,7 @@ namespace Umbraco.Core.Services
{
if (Saving.IsRaisedEventCancelled(
new SaveEventArgs<IMedia>(media, evtMsgs),
this))
this, UowProvider))
{
return OperationStatus.Cancelled(evtMsgs);
}
@@ -863,10 +863,10 @@ namespace Umbraco.Core.Services
}
uow.Commit();
}
if (raiseEvents)
Saved.RaiseEvent(new SaveEventArgs<IMedia>(media, false, evtMsgs), this);
if (raiseEvents)
Saved.RaiseEvent(new SaveEventArgs<IMedia>(media, false, evtMsgs), this, uow.EventManager);
}
Audit(AuditType.Save, "Save Media performed by user", userId, media.Id);
@@ -888,7 +888,7 @@ namespace Umbraco.Core.Services
{
if (Saving.IsRaisedEventCancelled(
new SaveEventArgs<IMedia>(asArray, evtMsgs),
this))
this, UowProvider))
{
return OperationStatus.Cancelled(evtMsgs);
}
@@ -911,10 +911,10 @@ namespace Umbraco.Core.Services
//commit the whole lot in one go
uow.Commit();
}
if (raiseEvents)
Saved.RaiseEvent(new SaveEventArgs<IMedia>(asArray, false, evtMsgs), this);
if (raiseEvents)
Saved.RaiseEvent(new SaveEventArgs<IMedia>(asArray, false, evtMsgs), this);
}
Audit(AuditType.Save, "Save Media items performed by user", userId, -1);
@@ -945,11 +945,14 @@ namespace Umbraco.Core.Services
files = ((MediaRepository)repository).GetFilesInRecycleBinForUploadField();
if (EmptyingRecycleBin.IsRaisedEventCancelled(new RecycleBinEventArgs(nodeObjectType, entities, files), this, uow.EventManager))
{
uow.Commit();
return;
}
success = repository.EmptyRecycleBin();
EmptiedRecycleBin.RaiseEvent(new RecycleBinEventArgs(nodeObjectType, entities, files, success), this);
EmptiedRecycleBin.RaiseEvent(new RecycleBinEventArgs(nodeObjectType, entities, files, success), this, uow.EventManager);
if (success)
repository.DeleteMediaFiles(files);
@@ -968,6 +971,9 @@ namespace Umbraco.Core.Services
{
//TODO: This all needs to be done on the repo level in one trans
var childList = new List<IMedia>();
var contentList = new List<IMedia>();
using (new WriteLock(Locker))
{
var uow = UowProvider.GetUnitOfWork();
@@ -980,7 +986,10 @@ namespace Umbraco.Core.Services
var contents = repository.GetByQuery(query).ToArray();
if (Deleting.IsRaisedEventCancelled(new DeleteEventArgs<IMedia>(contents), this, uow.EventManager))
{
uow.Commit();
return;
}
foreach (var content in contents.OrderByDescending(x => x.ParentId))
{
@@ -991,15 +1000,30 @@ namespace Umbraco.Core.Services
foreach (var child in children)
{
if (child.ContentType.Id != mediaTypeId)
MoveToRecycleBin(child, userId);
//track children for moving to the bin
childList.Add(child);
}
//Permanently delete the content
Delete(content, userId);
//track content for deletion
contentList.Add(content);
}
}
//We need to do this outside of the uow because otherwise we'll have nested uow's
//TODO: this is a problem because we are doing all of this logic in the Service when it should
//all be happening in the repository
foreach (var child in childList)
{
if (child.ContentType.Id != mediaTypeId)
MoveToRecycleBin(child, userId);
}
foreach (var content in contentList)
{
//Permanently delete the content
Delete(content, userId);
}
Audit(AuditType.Delete, "Delete Media items by Type performed by user", userId, -1);
}
}
@@ -1024,7 +1048,7 @@ namespace Umbraco.Core.Services
var originalPath = media.Path;
if (Trashing.IsRaisedEventCancelled(
new MoveEventArgs<IMedia>(new MoveEventInfo<IMedia>(media, originalPath, Constants.System.RecycleBinMedia)), this))
new MoveEventArgs<IMedia>(new MoveEventInfo<IMedia>(media, originalPath, Constants.System.RecycleBinMedia)), this, UowProvider))
{
return OperationStatus.Cancelled(evtMsgs);
}
@@ -1061,11 +1085,11 @@ namespace Umbraco.Core.Services
}
uow.Commit();
Trashed.RaiseEvent(
new MoveEventArgs<IMedia>(false, evtMsgs, moveInfo.ToArray()), this, uow.EventManager);
}
Trashed.RaiseEvent(
new MoveEventArgs<IMedia>(false, evtMsgs, moveInfo.ToArray()), this);
Audit(AuditType.Move, "Move Media to Recycle Bin performed by user", userId, media.Id);
return OperationStatus.Success(evtMsgs);
@@ -1095,7 +1119,7 @@ namespace Umbraco.Core.Services
/// <param name="userId">Optional Id of the User deleting versions of a Content object</param>
public void DeleteVersions(int id, DateTime versionDate, int userId = 0)
{
if (DeletingVersions.IsRaisedEventCancelled(new DeleteRevisionsEventArgs(id, dateToRetain: versionDate), this))
if (DeletingVersions.IsRaisedEventCancelled(new DeleteRevisionsEventArgs(id, dateToRetain: versionDate), this, UowProvider))
return;
var uow = UowProvider.GetUnitOfWork();
@@ -1103,10 +1127,9 @@ namespace Umbraco.Core.Services
{
repository.DeleteVersions(id, versionDate);
uow.Commit();
DeletedVersions.RaiseEvent(new DeleteRevisionsEventArgs(id, false, dateToRetain: versionDate), this, uow.EventManager);
}
DeletedVersions.RaiseEvent(new DeleteRevisionsEventArgs(id, false, dateToRetain: versionDate), this);
Audit(AuditType.Delete, "Delete Media by version date performed by user", userId, -1);
}
@@ -1120,7 +1143,7 @@ namespace Umbraco.Core.Services
/// <param name="userId">Optional Id of the User deleting versions of a Content object</param>
public void DeleteVersion(int id, Guid versionId, bool deletePriorVersions, int userId = 0)
{
if (DeletingVersions.IsRaisedEventCancelled(new DeleteRevisionsEventArgs(id, specificVersion: versionId), this))
if (DeletingVersions.IsRaisedEventCancelled(new DeleteRevisionsEventArgs(id, specificVersion: versionId), this, UowProvider))
return;
if (deletePriorVersions)
@@ -1134,10 +1157,9 @@ namespace Umbraco.Core.Services
{
repository.DeleteVersion(versionId);
uow.Commit();
DeletedVersions.RaiseEvent(new DeleteRevisionsEventArgs(id, false, specificVersion: versionId), this, uow.EventManager);
}
DeletedVersions.RaiseEvent(new DeleteRevisionsEventArgs(id, false, specificVersion: versionId), this);
Audit(AuditType.Delete, "Delete Media by version performed by user", userId, -1);
}
@@ -1176,15 +1198,17 @@ namespace Umbraco.Core.Services
var asArray = items.ToArray();
var uow = UowProvider.GetUnitOfWork();
if (raiseEvents)
{
if (Saving.IsRaisedEventCancelled(new SaveEventArgs<IMedia>(asArray), this, uow.EventManager))
return false;
}
using (var repository = RepositoryFactory.CreateMediaRepository(uow))
{
if (raiseEvents)
{
if (Saving.IsRaisedEventCancelled(new SaveEventArgs<IMedia>(asArray), this, uow.EventManager))
{
uow.Commit();
return false;
}
}
int i = 0;
foreach (var media in asArray)
{
@@ -1210,10 +1234,10 @@ namespace Umbraco.Core.Services
}
uow.Commit();
}
if (raiseEvents)
Saved.RaiseEvent(new SaveEventArgs<IMedia>(asArray, false), this);
if (raiseEvents)
Saved.RaiseEvent(new SaveEventArgs<IMedia>(asArray, false), this, uow.EventManager);
}
Audit(AuditType.Sort, "Sorting Media performed by user", userId, 0);
@@ -1233,7 +1257,7 @@ namespace Umbraco.Core.Services
Mandate.ParameterCondition(pageIndex >= 0, "pageIndex");
Mandate.ParameterCondition(pageSize > 0, "pageSize");
var uow = UowProvider.GetUnitOfWork();
var uow = UowProvider.GetReadOnlyUnitOfWork();
using (var repository = RepositoryFactory.CreateMediaRepository(uow))
{
var contents = repository.GetPagedXmlEntriesByPath(path, pageIndex, pageSize, out totalRecords);
@@ -1250,7 +1274,7 @@ namespace Umbraco.Core.Services
/// </param>
public void RebuildXmlStructures(params int[] contentTypeIds)
{
var uow = UowProvider.GetUnitOfWork();
var uow = UowProvider.GetReadOnlyUnitOfWork();
using (var repository = RepositoryFactory.CreateMediaRepository(uow))
{
repository.RebuildXmlStructures(
@@ -1307,7 +1331,7 @@ namespace Umbraco.Core.Services
{
Mandate.ParameterNotNullOrEmpty(mediaTypeAlias, "mediaTypeAlias");
var uow = UowProvider.GetUnitOfWork();
var uow = UowProvider.GetReadOnlyUnitOfWork();
using (var repository = RepositoryFactory.CreateMediaTypeRepository(uow))
{
var query = Query<IMediaType>.Builder.Where(x => x.Alias == mediaTypeAlias);