module Handler.TagUtils where

import Import
import Yesod.Form.Bootstrap3 (bfs)

import Data.Text as T

getAvailableTagsAsJSON = do
  tagsAvailable <- selectList [] [Asc TagName]
  return $ toJSON $ Import.map (tagName . entityVal) tagsAvailable

tagsfs :: RenderMessage site msg => msg -> FieldSettings site
tagsfs msg = attrs { fsAttrs = ("data-role"::Text,"tagsinput"::Text):(fsAttrs attrs)}
   where attrs = bfs msg


tagsAsTextToTagIds mTagsAsText = do
  let newTags = case mTagsAsText of
                       Just tags' -> Import.map T.strip $ T.split (== ',') tags'
                       Nothing -> []
  mTs <- mapM (\t -> getBy $ UniqueTagName t) newTags
  return $ Import.map entityKey $ Import.catMaybes mTs