api for search threads by tags

app.rb

@@ -45,6 +45,8 @@ get '/api/v1/threads/tags' do
   CommentThread.tags.to_json
 end
 
+
+
 get '/api/v1/threads/:thread_id' do |thread_id|
   thread.to_hash(recursive: params["recursive"]).to_json
 end
@@ -145,6 +147,10 @@ get '/api/v1/search' do
   end
 end
 
+post '/api/v1/search/tags' do
+  CommentThread.tagged_with_all(params["tags"]).map(&:to_hash).to_json
+end
+
 if environment.to_s == "development"
   get '/api/v1/clean' do
     Comment.delete_all