@@ -5,7 +5,9 @@
5{-# LANGUAGE DeriveFunctor #-}
5{-# LANGUAGE DeriveFunctor #-}
6{-# LANGUAGE DeriveTraversable #-}
6{-# LANGUAGE DeriveTraversable #-}
7{-# LANGUAGE FlexibleInstances #-}
7{-# LANGUAGE FlexibleInstances #-}
8+{-# LANGUAGE KindSignatures #-}
8{-# LANGUAGE OverloadedStrings #-}
9{-# LANGUAGE OverloadedStrings #-}
10+{-# LANGUAGE PolyKinds #-}
9{-# LANGUAGE ScopedTypeVariables #-}
11{-# LANGUAGE ScopedTypeVariables #-}
10{-# LANGUAGE TypeSynonymInstances #-}
12{-# LANGUAGE TypeSynonymInstances #-}
@@ -13,67 +15,72 @@
13-- such as URL pieces, headers and query parameters.
15-- such as URL pieces, headers and query parameters.
14module Web.Internal.HttpApiData where
16module Web.Internal.HttpApiData where
16−#if __GLASGOW_HASKELL__ < 710
18+import Prelude ()
17−import Control.Applicative
19+import Prelude.Compat
18−import Data.Foldable (Foldable)
19−import Data.Traversable (Traversable (traverse))
21+import Control.Applicative (Const(Const))
22import Control.Arrow (left, (&&&))
22import Control.Arrow (left, (&&&))
23import Control.Monad ((<=<))
23import Control.Monad ((<=<))
24−
24+import qualified Data.Attoparsec.Text as Atto
25+import qualified Data.Attoparsec.Time as Atto
25import Data.ByteString (ByteString)
26import Data.ByteString (ByteString)
26import qualified Data.ByteString as BS
27import qualified Data.ByteString as BS
28+import qualified Data.ByteString.Builder as BS
27import qualified Data.ByteString.Lazy as LBS
29import qualified Data.ByteString.Lazy as LBS
28−import Data.Monoid
30+import Data.Coerce (coerce)
29−
31+import Data.Data (Data)
30import qualified Data.Fixed as F
32import qualified Data.Fixed as F
31−import Data.Int
33+import Data.Functor.Identity (Identity(Identity))
34+import Data.Int (Int16, Int32, Int64, Int8)
32−import Data.Word
35+import Data.Kind (Type)
33−
36+import qualified Data.Map as Map
37+import Data.Monoid (All (..), Any (..), Dual (..),
38+ First (..), Last (..),
39+ Product (..), Sum (..))
40+import Data.Semigroup (Semigroup (..))
41+import qualified Data.Semigroup as Semi
42+import Data.Tagged (Tagged (..))
34import Data.Text (Text)
43import Data.Text (Text)
35import qualified Data.Text as T
44import qualified Data.Text as T
36−import Data.Text.Encoding (decodeUtf8With, decodeUtf8', encodeUtf8)
45+import Data.Text.Encoding (decodeUtf8', decodeUtf8With,
37import Data.Text.Encoding.Error (lenientDecode)
47import Data.Text.Encoding.Error (lenientDecode)
38import qualified Data.Text.Lazy as L
48import qualified Data.Text.Lazy as L
39import Data.Text.Read (Reader, decimal, rational,
49import Data.Text.Read (Reader, decimal, rational,
42−import Data.Time
51+import Data.Time.Compat (Day, FormatTime, LocalTime,
43−#if __GLASGOW_HASKELL__ < 710
52+ NominalDiffTime, TimeOfDay,
53+ UTCTime, ZonedTime, formatTime,
55+ nominalDiffTimeToSeconds,
56+ secondsToNominalDiffTime)
44−import Data.Time.Locale.Compat
57+import Data.Time.Format.Compat (defaultTimeLocale,
45−#endif
58+ iso8601DateFormat)
46−import Data.Version
59+import Data.Time.Calendar.Month.Compat (Month)
47−
60+import Data.Time.Calendar.Quarter.Compat (Quarter, QuarterOfYear (..),
48−#if MIN_VERSION_base(4,8,0)
61+ toYearQuarter)
62+import Data.Typeable (Typeable)
63+import qualified Data.UUID.Types as UUID
64+import Data.Version (Version, parseVersion,
49−import Data.Void
66+import Data.Void (Void, absurd)
67+import Data.Word (Word16, Word32, Word64, Word8)
68+import qualified Network.HTTP.Types as H
50−import Numeric.Natural
69+import Numeric.Natural (Natural)
53import Text.ParserCombinators.ReadP (readP_to_S)
70import Text.ParserCombinators.ReadP (readP_to_S)
54import Text.Read (readMaybe)
71import Text.Read (readMaybe)
72+import Web.Cookie (SetCookie, parseSetCookie,
56#if USE_TEXT_SHOW
75#if USE_TEXT_SHOW
57import TextShow (TextShow, showt)
76import TextShow (TextShow, showt)
60−import qualified Data.UUID.Types as UUID
62−import qualified Data.ByteString.Builder as BS
63−import Data.Data (Data)
64−import Data.Typeable (Typeable)
65−import qualified Network.HTTP.Types as H
67−import qualified Data.Attoparsec.Text as Atto
68−import qualified Data.Attoparsec.Time as Atto
70−import Web.Cookie (SetCookie, parseSetCookie,
75-- >>> data BasicAuthToken = BasicAuthToken Text deriving (Show)
80-- >>> data BasicAuthToken = BasicAuthToken Text deriving (Show)
76-- >>> instance FromHttpApiData BasicAuthToken where parseHeader h = BasicAuthToken <$> parseHeaderWithPrefix "Basic " h; parseQueryParam p = BasicAuthToken <$> parseQueryParam p
81-- >>> instance FromHttpApiData BasicAuthToken where parseHeader h = BasicAuthToken <$> parseHeaderWithPrefix "Basic " h; parseQueryParam p = BasicAuthToken <$> parseQueryParam p
82+-- >>> import Data.Time.Compat
83+-- >>> import Data.Version
78-- | Convert value to HTTP API data.
85-- | Convert value to HTTP API data.
@@ -89,7 +96,7 @@ class ToHttpApiData a where
89 -- The default definition uses 'H.encodePathSegmentsRelative',
96 -- The default definition uses 'H.encodePathSegmentsRelative',
90 -- but this may be overriden with a more efficient version.
97 -- but this may be overriden with a more efficient version.
91 toEncodedUrlPiece :: a -> BS.Builder
98 toEncodedUrlPiece :: a -> BS.Builder
92− toEncodedUrlPiece = H.encodePathSegmentsRelative . (:[]) . toUrlPiece
99+ toEncodedUrlPiece = H.urlEncodeBuilder True . encodeUtf8 . toUrlPiece
94 -- | Convert to HTTP header value.
101 -- | Convert to HTTP header value.
95 toHeader :: a -> ByteString
102 toHeader :: a -> ByteString
@@ -331,7 +338,7 @@ lookupBoundedEnumOf f = flip lookup (map (f &&& id) [minBound..maxBound])
331-- >>> parseBoundedEnumOf toUrlPiece "true" :: Either Text Bool
338-- >>> parseBoundedEnumOf toUrlPiece "true" :: Either Text Bool
332-- Right True
339-- Right True
334−-- For case sensitive parser see 'parseBoundedEnumOfI'.
341+-- For case insensitive parser see 'parseBoundedEnumOfI'.
335parseBoundedEnumOf :: (Bounded a, Enum a) => (a -> Text) -> Text -> Either Text a
342parseBoundedEnumOf :: (Bounded a, Enum a) => (a -> Text) -> Text -> Either Text a
336parseBoundedEnumOf = parseMaybeTextData . lookupBoundedEnumOf
343parseBoundedEnumOf = parseMaybeTextData . lookupBoundedEnumOf
@@ -432,10 +439,8 @@ instance ToHttpApiData Version where
432 toUrlPiece = T.pack . showVersion
439 toUrlPiece = T.pack . showVersion
433 toEncodedUrlPiece = unsafeToEncodedUrlPiece
440 toEncodedUrlPiece = unsafeToEncodedUrlPiece
435−#if MIN_VERSION_base(4,8,0)
436instance ToHttpApiData Void where toUrlPiece = absurd
442instance ToHttpApiData Void where toUrlPiece = absurd
437instance ToHttpApiData Natural where toUrlPiece = showt; toEncodedUrlPiece = unsafeToEncodedUrlPiece
443instance ToHttpApiData Natural where toUrlPiece = showt; toEncodedUrlPiece = unsafeToEncodedUrlPiece
440instance ToHttpApiData Bool where toUrlPiece = showTextData; toEncodedUrlPiece = unsafeToEncodedUrlPiece
445instance ToHttpApiData Bool where toUrlPiece = showTextData; toEncodedUrlPiece = unsafeToEncodedUrlPiece
441instance ToHttpApiData Ordering where toUrlPiece = showTextData; toEncodedUrlPiece = unsafeToEncodedUrlPiece
446instance ToHttpApiData Ordering where toUrlPiece = showTextData; toEncodedUrlPiece = unsafeToEncodedUrlPiece
@@ -454,7 +459,8 @@ instance ToHttpApiData Word16 where toUrlPiece = showt; toEncodedUrlPiece = un
454instance ToHttpApiData Word32 where toUrlPiece = showt; toEncodedUrlPiece = unsafeToEncodedUrlPiece
459instance ToHttpApiData Word32 where toUrlPiece = showt; toEncodedUrlPiece = unsafeToEncodedUrlPiece
455instance ToHttpApiData Word64 where toUrlPiece = showt; toEncodedUrlPiece = unsafeToEncodedUrlPiece
460instance ToHttpApiData Word64 where toUrlPiece = showt; toEncodedUrlPiece = unsafeToEncodedUrlPiece
462+-- | Note: this instance is not polykinded
457−instance F.HasResolution a => ToHttpApiData (F.Fixed a) where toUrlPiece = showt; toEncodedUrlPiece = unsafeToEncodedUrlPiece
463+instance F.HasResolution a => ToHttpApiData (F.Fixed (a :: Type)) where toUrlPiece = showt; toEncodedUrlPiece = unsafeToEncodedUrlPiece
460-- >>> toUrlPiece (fromGregorian 2015 10 03)
466-- >>> toUrlPiece (fromGregorian 2015 10 03)
@@ -494,36 +500,108 @@ instance ToHttpApiData UTCTime where
494 toUrlPiece = timeToUrlPiece "%H:%M:%S%QZ"
500 toUrlPiece = timeToUrlPiece "%H:%M:%S%QZ"
495 toEncodedUrlPiece = unsafeToEncodedUrlPiece
501 toEncodedUrlPiece = unsafeToEncodedUrlPiece
504+-- >>> toUrlPiece Monday
506+instance ToHttpApiData DayOfWeek where
507+ toUrlPiece Monday = "monday"
508+ toUrlPiece Tuesday = "tuesday"
509+ toUrlPiece Wednesday = "wednesday"
510+ toUrlPiece Thursday = "thursday"
511+ toUrlPiece Friday = "friday"
512+ toUrlPiece Saturday = "saturday"
513+ toUrlPiece Sunday = "sunday"
515+ toEncodedUrlPiece = unsafeToEncodedUrlPiece
520+instance ToHttpApiData QuarterOfYear where
521+ toUrlPiece Q1 = "q1"
522+ toUrlPiece Q2 = "q2"
523+ toUrlPiece Q3 = "q3"
524+ toUrlPiece Q4 = "q4"
527+-- >>> import Data.Time.Calendar.Quarter.Compat (Quarter (..))
528+-- >>> MkQuarter 8040
531+-- >>> toUrlPiece $ MkQuarter 8040
534+instance ToHttpApiData Quarter where
535+ toUrlPiece q = case toYearQuarter q of
536+ (y, qoy) -> T.pack (show y ++ "-" ++ f qoy)
544+-- >>> import Data.Time.Calendar.Month.Compat (Month (..))
548+-- >>> toUrlPiece $ MkMonth 24482
551+instance ToHttpApiData Month where
552+ toUrlPiece = T.pack . formatTime defaultTimeLocale "%Y-%m"
497instance ToHttpApiData NominalDiffTime where
554instance ToHttpApiData NominalDiffTime where
498− toUrlPiece = toUrlPiece . (floor :: NominalDiffTime -> Integer)
555+ toUrlPiece = toUrlPiece . nominalDiffTimeToSeconds
499 toEncodedUrlPiece = unsafeToEncodedUrlPiece
556 toEncodedUrlPiece = unsafeToEncodedUrlPiece
501instance ToHttpApiData String where toUrlPiece = T.pack
558instance ToHttpApiData String where toUrlPiece = T.pack
502instance ToHttpApiData Text where toUrlPiece = id
559instance ToHttpApiData Text where toUrlPiece = id
503instance ToHttpApiData L.Text where toUrlPiece = L.toStrict
560instance ToHttpApiData L.Text where toUrlPiece = L.toStrict
505−instance ToHttpApiData All where toUrlPiece = toUrlPiece . getAll; toEncodedUrlPiece = toEncodedUrlPiece . getAll
562+instance ToHttpApiData All where
563+ toUrlPiece = coerce (toUrlPiece :: Bool -> Text)
564+ toEncodedUrlPiece = coerce (toEncodedUrlPiece :: Bool -> BS.Builder)
506−instance ToHttpApiData Any where toUrlPiece = toUrlPiece . getAny; toEncodedUrlPiece = toEncodedUrlPiece . getAny
566+instance ToHttpApiData Any where
567+ toUrlPiece = coerce (toUrlPiece :: Bool -> Text)
568+ toEncodedUrlPiece = coerce (toEncodedUrlPiece :: Bool -> BS.Builder)
508instance ToHttpApiData a => ToHttpApiData (Dual a) where
570instance ToHttpApiData a => ToHttpApiData (Dual a) where
509− toUrlPiece = toUrlPiece . getDual
571+ toUrlPiece = coerce (toUrlPiece :: a -> Text)
510− toEncodedUrlPiece = toEncodedUrlPiece . getDual
572+ toEncodedUrlPiece = coerce (toEncodedUrlPiece :: a -> BS.Builder)
512instance ToHttpApiData a => ToHttpApiData (Sum a) where
574instance ToHttpApiData a => ToHttpApiData (Sum a) where
513− toUrlPiece = toUrlPiece . getSum
575+ toUrlPiece = coerce (toUrlPiece :: a -> Text)
514− toEncodedUrlPiece = toEncodedUrlPiece . getSum
576+ toEncodedUrlPiece = coerce (toEncodedUrlPiece :: a -> BS.Builder)
516instance ToHttpApiData a => ToHttpApiData (Product a) where
578instance ToHttpApiData a => ToHttpApiData (Product a) where
517− toUrlPiece = toUrlPiece . getProduct
579+ toUrlPiece = coerce (toUrlPiece :: a -> Text)
518− toEncodedUrlPiece = toEncodedUrlPiece . getProduct
580+ toEncodedUrlPiece = coerce (toEncodedUrlPiece :: a -> BS.Builder)
520instance ToHttpApiData a => ToHttpApiData (First a) where
582instance ToHttpApiData a => ToHttpApiData (First a) where
521− toUrlPiece = toUrlPiece . getFirst
583+ toUrlPiece = coerce (toUrlPiece :: Maybe a -> Text)
522− toEncodedUrlPiece = toEncodedUrlPiece . getFirst
584+ toEncodedUrlPiece = coerce (toEncodedUrlPiece :: Maybe a -> BS.Builder)
524instance ToHttpApiData a => ToHttpApiData (Last a) where
586instance ToHttpApiData a => ToHttpApiData (Last a) where
525− toUrlPiece = toUrlPiece . getLast
587+ toUrlPiece = coerce (toUrlPiece :: Maybe a -> Text)
588+ toEncodedUrlPiece = coerce (toEncodedUrlPiece :: Maybe a -> BS.Builder)
590+instance ToHttpApiData a => ToHttpApiData (Semi.Min a) where
591+ toUrlPiece = coerce (toUrlPiece :: a -> Text)
592+ toEncodedUrlPiece = coerce (toEncodedUrlPiece :: a -> BS.Builder)
594+instance ToHttpApiData a => ToHttpApiData (Semi.Max a) where
595+ toUrlPiece = coerce (toUrlPiece :: a -> Text)
596+ toEncodedUrlPiece = coerce (toEncodedUrlPiece :: a -> BS.Builder)
598+instance ToHttpApiData a => ToHttpApiData (Semi.First a) where
599+ toUrlPiece = coerce (toUrlPiece :: a -> Text)
526− toEncodedUrlPiece = toEncodedUrlPiece . getLast
600+ toEncodedUrlPiece = coerce (toEncodedUrlPiece :: a -> BS.Builder)
602+instance ToHttpApiData a => ToHttpApiData (Semi.Last a) where
603+ toUrlPiece = coerce (toUrlPiece :: a -> Text)
604+ toEncodedUrlPiece = coerce (toEncodedUrlPiece :: a -> BS.Builder)
529-- >>> toUrlPiece (Just "Hello")
607-- >>> toUrlPiece (Just "Hello")
@@ -555,6 +633,27 @@ instance ToHttpApiData SetCookie where
555 toHeader = LBS.toStrict . BS.toLazyByteString . renderSetCookie
633 toHeader = LBS.toStrict . BS.toLazyByteString . renderSetCookie
556 -- toEncodedUrlPiece = renderSetCookie -- doesn't do things.
634 -- toEncodedUrlPiece = renderSetCookie -- doesn't do things.
636+-- | Note: this instance is not polykinded
637+instance ToHttpApiData a => ToHttpApiData (Tagged (b :: Type) a) where
638+ toUrlPiece = coerce (toUrlPiece :: a -> Text)
639+ toHeader = coerce (toHeader :: a -> ByteString)
640+ toQueryParam = coerce (toQueryParam :: a -> Text)
641+ toEncodedUrlPiece = coerce (toEncodedUrlPiece :: a -> BS.Builder)
644+instance ToHttpApiData a => ToHttpApiData (Const a b) where
645+ toUrlPiece = coerce (toUrlPiece :: a -> Text)
646+ toHeader = coerce (toHeader :: a -> ByteString)
647+ toQueryParam = coerce (toQueryParam :: a -> Text)
648+ toEncodedUrlPiece = coerce (toEncodedUrlPiece :: a -> BS.Builder)
651+instance ToHttpApiData a => ToHttpApiData (Identity a) where
652+ toUrlPiece = coerce (toUrlPiece :: a -> Text)
653+ toHeader = coerce (toHeader :: a -> ByteString)
654+ toQueryParam = coerce (toQueryParam :: a -> Text)
655+ toEncodedUrlPiece = coerce (toEncodedUrlPiece :: a -> BS.Builder)
559-- >>> parseUrlPiece "_" :: Either Text ()
658-- >>> parseUrlPiece "_" :: Either Text ()
560-- Right ()
659-- Right ()
@@ -566,7 +665,7 @@ instance FromHttpApiData Char where
566 parseUrlPiece s =
665 parseUrlPiece s =
567 case T.uncons s of
666 case T.uncons s of
568 Just (c, s') | T.null s' -> pure c
667 Just (c, s') | T.null s' -> pure c
569− _ -> defaultParseError s
668+ _ -> defaultParseError s
572-- >>> showVersion <$> parseUrlPiece "1.2.3"
671-- >>> showVersion <$> parseUrlPiece "1.2.3"
@@ -577,7 +676,6 @@ instance FromHttpApiData Version where
577 ((x, ""):_) -> pure x
676 ((x, ""):_) -> pure x
578 _ -> defaultParseError s
677 _ -> defaultParseError s
580−#if MIN_VERSION_base(4,8,0)
581-- | Parsing a @'Void'@ value is always an error, considering @'Void'@ as a data type with no constructors.
679-- | Parsing a @'Void'@ value is always an error, considering @'Void'@ as a data type with no constructors.
582instance FromHttpApiData Void where
680instance FromHttpApiData Void where
583 parseUrlPiece _ = Left "Void cannot be parsed!"
681 parseUrlPiece _ = Left "Void cannot be parsed!"
@@ -588,7 +686,6 @@ instance FromHttpApiData Natural where
589 then Left ("underflow: " <> s <> " (should be a non-negative integer)")
687 then Left ("underflow: " <> s <> " (should be a non-negative integer)")
590 else Right (fromInteger n)
688 else Right (fromInteger n)
593instance FromHttpApiData Bool where parseUrlPiece = parseBoundedUrlPiece
690instance FromHttpApiData Bool where parseUrlPiece = parseBoundedUrlPiece
594instance FromHttpApiData Ordering where parseUrlPiece = parseBoundedUrlPiece
691instance FromHttpApiData Ordering where parseUrlPiece = parseBoundedUrlPiece
@@ -609,7 +706,8 @@ instance FromHttpApiData String where parseUrlPiece = Right . T.unpack
609instance FromHttpApiData Text where parseUrlPiece = Right
706instance FromHttpApiData Text where parseUrlPiece = Right
610instance FromHttpApiData L.Text where parseUrlPiece = Right . L.fromStrict
707instance FromHttpApiData L.Text where parseUrlPiece = Right . L.fromStrict
709+-- | Note: this instance is not polykinded
612−instance F.HasResolution a => FromHttpApiData (F.Fixed a) where
710+instance F.HasResolution a => FromHttpApiData (F.Fixed (a :: Type)) where
613 parseUrlPiece = runReader rational
711 parseUrlPiece = runReader rational
@@ -640,16 +738,57 @@ instance FromHttpApiData ZonedTime where parseUrlPiece = runAtto Atto.zonedTime
640-- Right 2015-10-03 00:14:24 UTC
738-- Right 2015-10-03 00:14:24 UTC
641instance FromHttpApiData UTCTime where parseUrlPiece = runAtto Atto.utcTime
739instance FromHttpApiData UTCTime where parseUrlPiece = runAtto Atto.utcTime
742+-- >>> parseUrlPiece "Monday" :: Either Text DayOfWeek
744+instance FromHttpApiData DayOfWeek where
745+ parseUrlPiece t = case Map.lookup (T.toLower t) m of
746+ Just dow -> Right dow
747+ Nothing -> Left $ "Incorrect DayOfWeek: " <> T.take 10 t
749+ m :: Map.Map Text DayOfWeek
750+ m = Map.fromList [ (toUrlPiece dow, dow) | dow <- [Monday .. Sunday] ]
643−instance FromHttpApiData NominalDiffTime where parseUrlPiece = fmap fromInteger . parseUrlPiece
753+instance FromHttpApiData NominalDiffTime where parseUrlPiece = fmap secondsToNominalDiffTime . parseUrlPiece
756+-- >>> parseUrlPiece "2021-01" :: Either Text Month
758+instance FromHttpApiData Month where parseUrlPiece = runAtto Atto.month
645−instance FromHttpApiData All where parseUrlPiece = fmap All . parseUrlPiece
760+-- |
761+-- >>> parseUrlPiece "2021-q1" :: Either Text Quarter
646−instance FromHttpApiData Any where parseUrlPiece = fmap Any . parseUrlPiece
763+instance FromHttpApiData Quarter where parseUrlPiece = runAtto Atto.quarter
766+-- >>> parseUrlPiece "q2" :: Either Text QuarterOfYear
769+-- >>> parseUrlPiece "Q3" :: Either Text QuarterOfYear
771+instance FromHttpApiData QuarterOfYear where
772+ parseUrlPiece t = case T.toLower t of
777+ _ -> Left "Invalid quarter of year"
779+instance FromHttpApiData All where parseUrlPiece = coerce (parseUrlPiece :: Text -> Either Text Bool)
780+instance FromHttpApiData Any where parseUrlPiece = coerce (parseUrlPiece :: Text -> Either Text Bool)
648−instance FromHttpApiData a => FromHttpApiData (Dual a) where parseUrlPiece = fmap Dual . parseUrlPiece
782+instance FromHttpApiData a => FromHttpApiData (Dual a) where parseUrlPiece = coerce (parseUrlPiece :: Text -> Either Text a)
649−instance FromHttpApiData a => FromHttpApiData (Sum a) where parseUrlPiece = fmap Sum . parseUrlPiece
783+instance FromHttpApiData a => FromHttpApiData (Sum a) where parseUrlPiece = coerce (parseUrlPiece :: Text -> Either Text a)
650−instance FromHttpApiData a => FromHttpApiData (Product a) where parseUrlPiece = fmap Product . parseUrlPiece
784+instance FromHttpApiData a => FromHttpApiData (Product a) where parseUrlPiece = coerce (parseUrlPiece :: Text -> Either Text a)
651−instance FromHttpApiData a => FromHttpApiData (First a) where parseUrlPiece = fmap First . parseUrlPiece
785+instance FromHttpApiData a => FromHttpApiData (First a) where parseUrlPiece = coerce (parseUrlPiece :: Text -> Either Text (Maybe a))
652−instance FromHttpApiData a => FromHttpApiData (Last a) where parseUrlPiece = fmap Last . parseUrlPiece
786+instance FromHttpApiData a => FromHttpApiData (Last a) where parseUrlPiece = coerce (parseUrlPiece :: Text -> Either Text (Maybe a))
788+instance FromHttpApiData a => FromHttpApiData (Semi.Min a) where parseUrlPiece = coerce (parseUrlPiece :: Text -> Either Text a)
789+instance FromHttpApiData a => FromHttpApiData (Semi.Max a) where parseUrlPiece = coerce (parseUrlPiece :: Text -> Either Text a)
790+instance FromHttpApiData a => FromHttpApiData (Semi.First a) where parseUrlPiece = coerce (parseUrlPiece :: Text -> Either Text a)
791+instance FromHttpApiData a => FromHttpApiData (Semi.Last a) where parseUrlPiece = coerce (parseUrlPiece :: Text -> Either Text a)
655-- >>> parseUrlPiece "Just 123" :: Either Text (Maybe Int)
794-- >>> parseUrlPiece "Just 123" :: Either Text (Maybe Int)
@@ -700,6 +839,24 @@ instance FromHttpApiData SetCookie where
700 parseUrlPiece = parseHeader . encodeUtf8
839 parseUrlPiece = parseHeader . encodeUtf8
701 parseHeader = Right . parseSetCookie
840 parseHeader = Right . parseSetCookie
842+-- | Note: this instance is not polykinded
843+instance FromHttpApiData a => FromHttpApiData (Tagged (b :: Type) a) where
844+ parseUrlPiece = coerce (parseUrlPiece :: Text -> Either Text a)
845+ parseHeader = coerce (parseHeader :: ByteString -> Either Text a)
846+ parseQueryParam = coerce (parseQueryParam :: Text -> Either Text a)
849+instance FromHttpApiData a => FromHttpApiData (Const a b) where
850+ parseUrlPiece = coerce (parseUrlPiece :: Text -> Either Text a)
851+ parseHeader = coerce (parseHeader :: ByteString -> Either Text a)
852+ parseQueryParam = coerce (parseQueryParam :: Text -> Either Text a)
855+instance FromHttpApiData a => FromHttpApiData (Identity a) where
856+ parseUrlPiece = coerce (parseUrlPiece :: Text -> Either Text a)
857+ parseHeader = coerce (parseHeader :: ByteString -> Either Text a)
858+ parseQueryParam = coerce (parseQueryParam :: Text -> Either Text a)
703-------------------------------------------------------------------------------
860-------------------------------------------------------------------------------
704-- Attoparsec helpers
861-- Attoparsec helpers
705-------------------------------------------------------------------------------
862-------------------------------------------------------------------------------