Change raw-media-types to accept a string of comma separated MIME types (#1370)

CHANGELOG.md

@@ -9,6 +9,8 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ### Fixed
 
+- #1369, Change `raw-media-types` to accept a string of comma separated MIME types - @Dansvidania
+
 ## [6.0.1] - 2019-07-30
 
 ### Added

src/PostgREST/Config.hs

@@ -167,9 +167,9 @@ readOptions = do
         <*> pure False
         <*> (fmap (fmap coerceText) <$> C.subassocs "app.settings" C.value)
         <*> (maybe (Right [JSPKey "role"]) parseRoleClaimKey <$> optValue "role-claim-key")
-        <*> (maybe ["public"] splitExtraSearchPath <$> optValue "db-extra-search-path")
+        <*> (maybe ["public"] splitOnCommas <$> optValue "db-extra-search-path")
         <*> ((\x y -> QualifiedIdentifier x <$> y) <$> dbSchema <*> optString "root-spec")
-        <*> (fmap encodeUtf8 <$> optionalListOfText "raw-media-types")
+        <*> (maybe [] (fmap encodeUtf8 . splitOnCommas) <$> optValue "raw-media-types")
 
     parseJwtAudience :: C.Key -> C.Parser C.Config (Maybe StringOrURI)
     parseJwtAudience k =
@@ -180,12 +180,6 @@ readOptions = do
           (Just "") -> pure Nothing
           aud' -> pure aud'
 
-    optionalListOfText :: C.Key -> C.Parser C.Config [Text]
-    optionalListOfText k =
-      C.optional k (C.list C.string) >>= \case
-        Nothing -> pure []
-        Just types -> pure types
-
     reqString :: C.Key -> C.Parser C.Config Text
     reqString k = C.required k C.string
 
@@ -219,9 +213,9 @@ readOptions = do
     parseRoleClaimKey (C.String s) = pRoleClaimKey s
     parseRoleClaimKey v            = pRoleClaimKey $ show v
 
-    splitExtraSearchPath :: C.Value -> [Text]
-    splitExtraSearchPath (C.String s) = strip <$> splitOn "," s
-    splitExtraSearchPath _            = []
+    splitOnCommas :: C.Value -> [Text]
+    splitOnCommas (C.String s) = strip <$> splitOn "," s
+    splitOnCommas _            = []
 
     opts = info (helper <*> pathParser) $
              fullDesc
@@ -283,7 +277,7 @@ readOptions = do
           |# root-spec = "stored_proc_name"
           |
           |## content types to produce raw output
-          |# raw-media-types=["image/png","image/jpg"]
+          |# raw-media-types="image/png, image/jpg"
           |]
 
 pathParser :: Parser FilePath