Added ioTextToContent, fixed json/html order

Yesod/Response.hs

@@ -24,6 +24,7 @@ module Yesod.Response
     , ChooseRep
     , HasReps (..)
     , defChooseRep
+    , ioTextToContent
       -- ** Convenience wrappers
     , staticRep
       -- * Response type
@@ -90,6 +91,12 @@ instance ConvertSuccess XmlDoc Content where
 
 type ChooseRep = [ContentType] -> IO (ContentType, Content)
 
+-- | It would be nice to simplify 'Content' to the point where this is
+-- unnecesary.
+ioTextToContent :: IO Text -> Content
+ioTextToContent iotext =
+    Content $ \f a -> iotext >>= foldM f a . toChunks . cs
+
 -- | Any type which can be converted to representations.
 class HasReps a where
     chooseRep :: a -> ChooseRep

Yesod/Template.hs

@@ -21,8 +21,6 @@ import Web.Mime
 import Yesod.Response
 import Yesod.Yesod
 import Yesod.Handler
-import Control.Monad (foldM)
-import Data.ByteString.Lazy (toChunks)
 
 type Template = StringTemplate Text
 type TemplateGroup = STGroup Text
@@ -44,8 +42,8 @@ template tn ho f = do
             Nothing -> failure $ NoSuchTemplate tn
             Just x -> return x
     return $ chooseRep
-        [ (TypeJson, cs $ unJsonDoc $ cs ho)
-        , (TypeHtml, tempToContent t ho f)
+        [ (TypeHtml, tempToContent t ho f)
+        , (TypeJson, cs $ unJsonDoc $ cs ho)
         ]
 newtype NoSuchTemplate = NoSuchTemplate String
     deriving (Show, Typeable)
@@ -57,10 +55,6 @@ tempToContent :: Template
               -> Content
 tempToContent t ho f = ioTextToContent $ fmap render $ f ho t
 
-ioTextToContent :: IO Text -> Content
-ioTextToContent iotext =
-    Content $ \f a -> iotext >>= foldM f a . toChunks . cs
-
 data TemplateFile = TemplateFile FilePath HtmlObject
 instance HasReps TemplateFile where
     chooseRep (TemplateFile fp (Mapping m)) _ = do

Yesod/Yesod.hs

@@ -75,8 +75,8 @@ applyLayoutJson :: Yesod y
 applyLayoutJson t b = do
     y <- getYesod
     return $ chooseRep
-        [ (TypeJson, cs $ unJsonDoc $ cs b)
-        , (TypeHtml, applyLayout y t $ cs b)
+        [ (TypeHtml, applyLayout y t $ cs b)
+        , (TypeJson, cs $ unJsonDoc $ cs b)
         ]
 
 getApproot :: YesodApproot y => Handler y Approot