public async Task <Response <UpdateResult> > Handle(SetApiTags request)
{
Api dbApi = await GetApiAsync(request);
if (dbApi == null)
{
return(new Response <UpdateResult>(UpdateResult.NotFound));
}
else
{
var dbApiTags = await _context.ApiTags
.Include(x => x.Tag)
.Where(x => x.ApiId.Equals(dbApi.Id)).ToListAsync();
// add new tags
foreach (var incomingTag in request.Tags)
{
if (!dbApiTags.Select(x => x.Tag.Name).Contains(incomingTag))
{
var existingTag = await _context.Tags.FirstOrDefaultAsync(x => x.Name.Equals(incomingTag));
if (existingTag == null)
{
existingTag = new Tag()
{
Id = Guid.NewGuid(), Name = incomingTag
};
await _context.Tags.AddAsync(existingTag);
}
await _context.ApiTags.AddAsync(new ApiTag()
{
Id = Guid.NewGuid(),
ApiId = dbApi.Id,
TagId = existingTag.Id,
Tag = existingTag
});
}
}
// remove tags not supplied
foreach (var dbApiTag in new List <ApiTag>(dbApiTags))
{
var incomingTag = request.Tags.FirstOrDefault(x => dbApiTag.Tag.Name.Equals(x));
if (incomingTag == null)
{
_context.Remove(dbApiTag);
}
}
if (request.Commit)
{
await _context.SaveChangesAsync();
}
return(new Response <UpdateResult>(UpdateResult.Updated));
}
}
private async Task <Api> GetApiAsync(SetApiTags request)
{
if (request.UseLocal)
{
var localCopy = _context.Apis.Local.FirstOrDefault(x => x.Name.Equals(request.ApiName));
return(localCopy);
}
else
{
return(await _context.Apis.FirstOrDefaultAsync(x => x.Name.Equals(request.ApiName)));
}
}
private async Task <Response <UpdateResult> > SetApiTagsAsync(CreateApi request)
{
var setApiTags = new SetApiTags()
{
ApiName = request.Name,
Tags = request.Tags,
Commit = false,
UseLocal = true
};
return(await _mediator.Send(setApiTags));
}