public async Task <ICollection <string> > Create(IEnumerable <string> tagNames, string articleId)
{
var tags = new List <string>();
foreach (var tagName in tagNames)
{
if (string.IsNullOrEmpty(tagName))
{
continue;
}
var foundTag = await _tags.FindAsync(Builders <Tag> .Filter.Text(tagName));
var tag = await foundTag.FirstOrDefaultAsync();
if (tag == null)
{
var newTag = new Tag(tagName, articleId);
await _tags.InsertOneAsync(newTag);
tag = newTag;
}
else
{
tag.Articles.Add(articleId);
tag.Count++;
await Update(tag.Id, tag);
}
tags.Add(tag.Id);
}
return(tags);
}
public async Task Update(string id, Tag tagIn) => await _tags.ReplaceOneAsync(tag => tag.Id == id, tagIn);
public async Task <Tag> Create(Tag tag)
{
await _tags.InsertOneAsync(tag);
return(tag);
}
public async Task Remove(Tag tagIn) => await _tags.DeleteOneAsync(tag => tag.Id == tagIn.Id);
