public async ValueTask <bool> Update(Manga manga, bool updateChapters)
{
using var context = Context;
var mangaService = new MangaService(context);
try
{
context.BeginTran();
if ((await mangaService.GetSingleAsync(it => it.ObjectId == manga.ObjectId)).Version >= manga.Version)
{
context.RollbackTran();
return(false);
}
manga.UpdateTime = DateTime.Now;
if (updateChapters && manga.Chapters != null && manga.Chapters.Count != 0)
{
var chapterService = new ChapterService(context);
var imageService = new ImageService(context);
var result = await chapterService.Upsert(manga.Chapters);
if (result.InsertList.Count != 0)
{
foreach (var storageableMessage in result.InsertList)
{
DataFormatter.Format(storageableMessage.Item);
await imageService.Upsert(storageableMessage.Item.Images);
}
}
}
if (manga.Tags != null)
{
var mangaTagMappingService = new MangaTagMappingService(context);
await mangaTagMappingService.DeleteTagByMangaId(manga.ObjectId);
var mangaTagMappings = manga.Tags.Select(tag => new MangaTagMapping()
{
MangaId = manga.ObjectId,
TagId = tag.Key
}).ToList();
if (mangaTagMappings.Count > 0)
{
await mangaTagMappingService.Insert(mangaTagMappings);
}
}
await mangaService.Upsert(manga);
FtsIndexService.UpdateFtsIndex(manga);
context.CommitTran();
return(true);
}
catch (Exception e)
{
context.RollbackTran();
throw;
}
}
public async ValueTask <bool> Update(Tag tag)
{
using var context = Context;
try
{
context.BeginTran();
var tagService = new TagService(context);
var toBeMapping = new HashSet <long>();
var mangaTagMappingService = new MangaTagMappingService(context);
var oldTag = await tagService.GetTagWithAliases(it => it.ObjectId == tag.ObjectId);
// Update metadata
if (oldTag == null || !await tagService.Update(tag))
{
context.RollbackTran();
return(false);
}
// Check type of key tag == type of tag
if (oldTag.Key != tag.Key)
{
var keyTag = await tagService.GetSingleAsync(it => it.ObjectId == tag.Key);
if (tag.TypeId != keyTag?.TypeId)
{
context.RollbackTran();
return(false);
}
toBeMapping.Add(oldTag.Key);
}
// Recover all removed aliases
foreach (var alias in oldTag.Aliases.Where(oldTagAlias => tag.Aliases.All(it => it.ObjectId != oldTagAlias.ObjectId)))
{
var oldTagAlias = await tagService.GetSingleAsync(it => it.ObjectId == alias.ObjectId);
oldTagAlias.Key = oldTagAlias.ObjectId;
if (!await tagService.Update(oldTagAlias))
{
context.RollbackTran();
return(false);
}
}
for (int i = 0; i < tag.Aliases.Count; i++)
{
var tagAlias = tag.Aliases[i];
var oldAlias = await tagService.GetSingleAsync(it => it.ObjectId == tagAlias.ObjectId);
if (oldAlias.TypeId != tag.TypeId)
{
context.RollbackTran();
return(false);
}
oldAlias.Aliases = await tagService.GetListAsync(it => it.Key == tagAlias.ObjectId && it.Key != it.ObjectId);
if (oldAlias.Aliases != null)
{
tag.Aliases.AddRange(oldAlias.Aliases);
}
if (oldAlias.Key == tag.Key)
{
continue;
}
toBeMapping.Add(oldAlias.Key);
oldAlias.Key = tag.Key;
if (await tagService.Update(oldAlias))
{
continue;
}
context.RollbackTran();
return(false);
}
foreach (var oldKey in toBeMapping)
{
await mangaTagMappingService.Update(oldKey, tag.Key);
}
FtsIndexService.UpdateFtsIndex(tag);
context.CommitTran();
return(true);
}
catch (Exception e)
{
context.RollbackTran();
throw;
}
}
