public virtual async Task <MemeTag> Update(Guid guid, MemeTag entity)
{
using (MemeFolderDbContext context = _contextFactory.CreateDbContext(null))
{
try
{
var original = await context.MemeTags.FirstOrDefaultAsync(e => e.Id == guid);
foreach (PropertyInfo propertyInfo in original.GetType().GetProperties())
{
if (propertyInfo.GetValue(entity, null) == null)
{
propertyInfo.SetValue(entity, propertyInfo.GetValue(original, null), null);
}
}
context.Entry(original).CurrentValues.SetValues(entity);
await context.SaveChangesAsync();
return(entity);
}
catch (Exception ex)
{
logger.Error(ex, "Ошибка обновления");
return(null);
}
}
}
public virtual async Task <MemeTag> Get(Guid guid)
{
using (MemeFolderDbContext context = _contextFactory.CreateDbContext(null))
{
MemeTag entity = await context.MemeTags.FirstOrDefaultAsync(e => e.Id == guid);
return(entity);
}
}
public virtual async Task <bool> Delete(Guid guid)
{
using (MemeFolderDbContext context = _contextFactory.CreateDbContext(null))
{
MemeTag entity = await context.MemeTags.FirstOrDefaultAsync(e => e.Id == guid);
context.MemeTags.Remove(entity);
await context.SaveChangesAsync();
return(true);
}
}
protected override async Task ExecuteAsync(object parameter)
{
DialogTagVM dialogMemeTagVM = new DialogTagVM(new MemeTag(), "Создание тега");
MemeTag memeTag = (MemeTag)await MaterialDesignThemes.Wpf.DialogHost.Show(dialogMemeTagVM, _dialogId);
if (memeTag == null)
{
return;
}
await _dataStorage.AddMemeTag(memeTag);
}
protected override async Task ExecuteAsync(object parameter)
{
MemeTag memeTag = (MemeTag)parameter;
DialogTagVM dialogMemeTagVM = new DialogTagVM(memeTag, "Редактирование папки");
MemeTag editedMemeTag = (MemeTag)await MaterialDesignThemes.Wpf.DialogHost.Show(dialogMemeTagVM, _dialogId);
if (editedMemeTag == null)
{
return;
}
await _dataStorage.EditMemeTag(memeTag);
}
public virtual async Task <MemeTag> Create(MemeTag meme)
{
using (MemeFolderDbContext context = _contextFactory.CreateDbContext(null))
{
try
{
EntityEntry <MemeTag> createdResult = await context.MemeTags.AddAsync(meme);
await context.SaveChangesAsync();
return(createdResult.Entity);
}
catch (Exception ex)
{
logger.Error(ex, "Ошибка создания");
return(null);
}
}
}
public virtual async Task <MemeTagNode> Create(MemeTagNode memeTagNode)
{
using (MemeFolderDbContext context = _contextFactory.CreateDbContext(null))
{
try
{
Meme meme = await context.Memes.FirstOrDefaultAsync(m => m.Id == memeTagNode.Meme.Id);
if (meme != null)
{
memeTagNode.Meme = meme;
}
else
{
throw new ArgumentNullException("Meme can not be null");
}
MemeTag memeTag = await context.MemeTags.FirstOrDefaultAsync(mt => mt.Id == memeTagNode.MemeTag.Id);
if (memeTag != null)
{
memeTagNode.MemeTag = memeTag;
}
else
{
throw new ArgumentNullException("MemeTag can not be null");
}
EntityEntry <MemeTagNode> createdResult = await context.MemeTagNodes.AddAsync(memeTagNode);
await context.SaveChangesAsync();
return(createdResult.Entity);
}
catch (Exception ex)
{
logger.Error(ex, "Ошибка создания");
return(null);
}
}
}
private void _dataStorage_OnRemoveMemeTag(MemeTag memeTag)
{
throw new NotImplementedException();
}
protected override async Task ExecuteAsync(object parameter)
{
MemeTag memeTag = (MemeTag)parameter;
await _dataStorage.RemoveMemeTag(memeTag);
}