{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE CPP #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RankNTypes #-}
{-# LANGUAGE LambdaCase #-}
{-# language ScopedTypeVariables #-}
module Web.Scotty.Action
( addHeader
, body
, bodyReader
, file
, rawResponse
, files
, finish
, header
, headers
, html
, liftAndCatchIO
, json
, jsonData
, next
, param
, captureParam
, formParam
, queryParam
, params
, captureParams
, formParams
, queryParams
, raise
, raiseStatus
, throw
, raw
, nested
, readEither
, redirect
, request
, rescue
, setHeader
, status
, stream
, text
, Param
, Parsable(..)
, runAction
) where
import Blaze.ByteString.Builder (fromLazyByteString)
import qualified Control.Exception as E
import Control.Monad (when)
import Control.Monad.IO.Class (MonadIO(..))
import UnliftIO (MonadUnliftIO(..))
import Control.Monad.Reader (MonadReader(..), ReaderT(..))
import Control.Concurrent.MVar
import qualified Data.Aeson as A
import Data.Bool (bool)
import qualified Data.ByteString.Char8 as B
import qualified Data.ByteString.Lazy.Char8 as BL
import qualified Data.CaseInsensitive as CI
import Data.Int
import qualified Data.Text as ST
import qualified Data.Text.Encoding as STE
import qualified Data.Text.Lazy as T
import Data.Text.Lazy.Encoding (encodeUtf8)
import Data.Word
import Network.HTTP.Types
#if !MIN_VERSION_http_types(0,11,0)
import Network.HTTP.Types.Status
#endif
import Network.Wai (Request, Response, StreamingBody, Application, requestHeaders)
import Numeric.Natural
import Web.Scotty.Internal.Types
import Web.Scotty.Util (mkResponse, addIfNotPresent, add, replace, lazyTextToStrictByteString, strictByteStringToLazyText)
import Web.Scotty.Exceptions (Handler(..), catch, catchesOptionally, tryAny)
import Network.Wai.Internal (ResponseReceived(..))
runAction :: MonadUnliftIO m =>
Maybe (ErrorHandler m)
-> ActionEnv
-> ActionT m ()
-> m (Maybe Response)
runAction :: forall (m :: * -> *).
MonadUnliftIO m =>
Maybe (ErrorHandler m)
-> ActionEnv -> ActionT m () -> m (Maybe Response)
runAction Maybe (ErrorHandler m)
mh ActionEnv
env ActionT m ()
action = do
let
handlers :: [ErrorHandler m]
handlers = [
forall (m :: * -> *). MonadIO m => ErrorHandler m
statusErrorHandler,
forall (m :: * -> *). MonadIO m => ErrorHandler m
actionErrorHandler,
forall (m :: * -> *). MonadIO m => ErrorHandler m
someExceptionHandler
]
Bool
ok <- forall a b c. (a -> b -> c) -> b -> a -> c
flip forall r (m :: * -> *) a. ReaderT r m a -> r -> m a
runReaderT ActionEnv
env forall a b. (a -> b) -> a -> b
$ forall (m :: * -> *) a. ActionT m a -> ReaderT ActionEnv m a
runAM forall a b. (a -> b) -> a -> b
$ forall (m :: * -> *) a. MonadUnliftIO m => m a -> m Bool
tryNext (forall (m :: * -> *) a.
MonadUnliftIO m =>
m a -> Maybe (Handler m a) -> [Handler m a] -> m a
catchesOptionally ActionT m ()
action Maybe (ErrorHandler m)
mh [ErrorHandler m]
handlers )
ScottyResponse
res <- forall (m :: * -> *). MonadIO m => ActionEnv -> m ScottyResponse
getResponse ActionEnv
env
forall (m :: * -> *) a. Monad m => a -> m a
return forall a b. (a -> b) -> a -> b
$ forall a. a -> a -> Bool -> a
bool forall a. Maybe a
Nothing (forall a. a -> Maybe a
Just forall a b. (a -> b) -> a -> b
$ ScottyResponse -> Response
mkResponse ScottyResponse
res) Bool
ok
statusErrorHandler :: MonadIO m => ErrorHandler m
statusErrorHandler :: forall (m :: * -> *). MonadIO m => ErrorHandler m
statusErrorHandler = forall (m :: * -> *) a e. Exception e => (e -> m a) -> Handler m a
Handler forall a b. (a -> b) -> a -> b
$ \case
StatusError Status
s Text
e -> do
forall (m :: * -> *). MonadIO m => Status -> ActionT m ()
status Status
s
let code :: Text
code = String -> Text
T.pack forall a b. (a -> b) -> a -> b
$ forall a. Show a => a -> String
show forall a b. (a -> b) -> a -> b
$ Status -> Int
statusCode Status
s
let msg :: Text
msg = Text -> Text
T.fromStrict forall a b. (a -> b) -> a -> b
$ ByteString -> Text
STE.decodeUtf8 forall a b. (a -> b) -> a -> b
$ Status -> ByteString
statusMessage Status
s
forall (m :: * -> *). MonadIO m => Text -> ActionT m ()
html forall a b. (a -> b) -> a -> b
$ forall a. Monoid a => [a] -> a
mconcat [Text
"<h1>", Text
code, Text
" ", Text
msg, Text
"</h1>", Text
e]
actionErrorHandler :: MonadIO m => ErrorHandler m
actionErrorHandler :: forall (m :: * -> *). MonadIO m => ErrorHandler m
actionErrorHandler = forall (m :: * -> *) a e. Exception e => (e -> m a) -> Handler m a
Handler forall a b. (a -> b) -> a -> b
$ \case
AERedirect Text
url -> do
forall (m :: * -> *). MonadIO m => Status -> ActionT m ()
status Status
status302
forall (m :: * -> *). MonadIO m => Text -> Text -> ActionT m ()
setHeader Text
"Location" Text
url
ActionError
AENext -> forall (m :: * -> *) a. Monad m => ActionT m a
next
ActionError
AEFinish -> forall (m :: * -> *) a. Monad m => a -> m a
return ()
someExceptionHandler :: MonadIO m => ErrorHandler m
someExceptionHandler :: forall (m :: * -> *). MonadIO m => ErrorHandler m
someExceptionHandler = forall (m :: * -> *) a e. Exception e => (e -> m a) -> Handler m a
Handler forall a b. (a -> b) -> a -> b
$ \case
(SomeException
_ :: E.SomeException) -> forall (m :: * -> *). MonadIO m => Status -> ActionT m ()
status Status
status500
raise :: (MonadIO m) =>
T.Text
-> ActionT m a
raise :: forall (m :: * -> *) a. MonadIO m => Text -> ActionT m a
raise = forall (m :: * -> *) a. Monad m => Status -> Text -> ActionT m a
raiseStatus Status
status500
raiseStatus :: Monad m => Status -> T.Text -> ActionT m a
raiseStatus :: forall (m :: * -> *) a. Monad m => Status -> Text -> ActionT m a
raiseStatus Status
s = forall a e. Exception e => e -> a
E.throw forall b c a. (b -> c) -> (a -> b) -> a -> c
. Status -> Text -> StatusError
StatusError Status
s
throw :: (MonadIO m, E.Exception e) => e -> ActionT m a
throw :: forall (m :: * -> *) e a.
(MonadIO m, Exception e) =>
e -> ActionT m a
throw = forall a e. Exception e => e -> a
E.throw
next :: Monad m => ActionT m a
next :: forall (m :: * -> *) a. Monad m => ActionT m a
next = forall a e. Exception e => e -> a
E.throw ActionError
AENext
rescue :: (MonadUnliftIO m, E.Exception e) => ActionT m a -> (e -> ActionT m a) -> ActionT m a
rescue :: forall (m :: * -> *) e a.
(MonadUnliftIO m, Exception e) =>
ActionT m a -> (e -> ActionT m a) -> ActionT m a
rescue = forall (m :: * -> *) e a.
(MonadUnliftIO m, Exception e) =>
m a -> (e -> m a) -> m a
catch
liftAndCatchIO :: MonadIO m => IO a -> ActionT m a
liftAndCatchIO :: forall (m :: * -> *) a. MonadIO m => IO a -> ActionT m a
liftAndCatchIO IO a
io = forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO forall a b. (a -> b) -> a -> b
$ do
Either SomeException a
r <- forall (m :: * -> *) a.
MonadUnliftIO m =>
m a -> m (Either SomeException a)
tryAny IO a
io
forall a c b. (a -> c) -> (b -> c) -> Either a b -> c
either forall e a. Exception e => e -> IO a
E.throwIO forall (f :: * -> *) a. Applicative f => a -> f a
pure Either SomeException a
r
redirect :: (Monad m) => T.Text -> ActionT m a
redirect :: forall (m :: * -> *) a. Monad m => Text -> ActionT m a
redirect = forall a e. Exception e => e -> a
E.throw forall b c a. (b -> c) -> (a -> b) -> a -> c
. Text -> ActionError
AERedirect
finish :: (Monad m) => ActionT m a
finish :: forall (m :: * -> *) a. Monad m => ActionT m a
finish = forall a e. Exception e => e -> a
E.throw ActionError
AEFinish
request :: Monad m => ActionT m Request
request :: forall (m :: * -> *). Monad m => ActionT m Request
request = forall (m :: * -> *) a. ReaderT ActionEnv m a -> ActionT m a
ActionT forall a b. (a -> b) -> a -> b
$ ActionEnv -> Request
envReq forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> forall r (m :: * -> *). MonadReader r m => m r
ask
files :: Monad m => ActionT m [File]
files :: forall (m :: * -> *). Monad m => ActionT m [File]
files = forall (m :: * -> *) a. ReaderT ActionEnv m a -> ActionT m a
ActionT forall a b. (a -> b) -> a -> b
$ ActionEnv -> [File]
envFiles forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> forall r (m :: * -> *). MonadReader r m => m r
ask
header :: (Monad m) => T.Text -> ActionT m (Maybe T.Text)
Text
k = do
RequestHeaders
hs <- Request -> RequestHeaders
requestHeaders forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> forall (m :: * -> *). Monad m => ActionT m Request
request
forall (m :: * -> *) a. Monad m => a -> m a
return forall a b. (a -> b) -> a -> b
$ forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap ByteString -> Text
strictByteStringToLazyText forall a b. (a -> b) -> a -> b
$ forall a b. Eq a => a -> [(a, b)] -> Maybe b
lookup (forall s. FoldCase s => s -> CI s
CI.mk (Text -> ByteString
lazyTextToStrictByteString Text
k)) RequestHeaders
hs
headers :: (Monad m) => ActionT m [(T.Text, T.Text)]
= do
RequestHeaders
hs <- Request -> RequestHeaders
requestHeaders forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> forall (m :: * -> *). Monad m => ActionT m Request
request
forall (m :: * -> *) a. Monad m => a -> m a
return [ ( ByteString -> Text
strictByteStringToLazyText (forall s. CI s -> s
CI.original CI ByteString
k)
, ByteString -> Text
strictByteStringToLazyText ByteString
v)
| (CI ByteString
k,ByteString
v) <- RequestHeaders
hs ]
body :: (MonadIO m) => ActionT m BL.ByteString
body :: forall (m :: * -> *). MonadIO m => ActionT m ByteString
body = forall (m :: * -> *) a. ReaderT ActionEnv m a -> ActionT m a
ActionT forall r (m :: * -> *). MonadReader r m => m r
ask forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= (forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO forall b c a. (b -> c) -> (a -> b) -> a -> c
. ActionEnv -> IO ByteString
envBody)
bodyReader :: Monad m => ActionT m (IO B.ByteString)
bodyReader :: forall (m :: * -> *). Monad m => ActionT m (IO ByteString)
bodyReader = forall (m :: * -> *) a. ReaderT ActionEnv m a -> ActionT m a
ActionT forall a b. (a -> b) -> a -> b
$ ActionEnv -> IO ByteString
envBodyChunk forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> forall r (m :: * -> *). MonadReader r m => m r
ask
jsonData :: (A.FromJSON a, MonadIO m) => ActionT m a
jsonData :: forall a (m :: * -> *). (FromJSON a, MonadIO m) => ActionT m a
jsonData = do
ByteString
b <- forall (m :: * -> *). MonadIO m => ActionT m ByteString
body
forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
when (ByteString
b forall a. Eq a => a -> a -> Bool
== ByteString
"") forall a b. (a -> b) -> a -> b
$ do
let htmlError :: String
htmlError = String
"jsonData - No data was provided."
forall (m :: * -> *) a. Monad m => Status -> Text -> ActionT m a
raiseStatus Status
status400 forall a b. (a -> b) -> a -> b
$ String -> Text
T.pack String
htmlError
case forall a. FromJSON a => ByteString -> Either String a
A.eitherDecode ByteString
b of
Left String
err -> do
let htmlError :: String
htmlError = String
"jsonData - malformed."
forall a. Monoid a => a -> a -> a
`mappend` String
" Data was: " forall a. Monoid a => a -> a -> a
`mappend` ByteString -> String
BL.unpack ByteString
b
forall a. Monoid a => a -> a -> a
`mappend` String
" Error was: " forall a. Monoid a => a -> a -> a
`mappend` String
err
forall (m :: * -> *) a. Monad m => Status -> Text -> ActionT m a
raiseStatus Status
status400 forall a b. (a -> b) -> a -> b
$ String -> Text
T.pack String
htmlError
Right Value
value -> case forall a. FromJSON a => Value -> Result a
A.fromJSON Value
value of
A.Error String
err -> do
let htmlError :: String
htmlError = String
"jsonData - failed parse."
forall a. Monoid a => a -> a -> a
`mappend` String
" Data was: " forall a. Monoid a => a -> a -> a
`mappend` ByteString -> String
BL.unpack ByteString
b forall a. Monoid a => a -> a -> a
`mappend` String
"."
forall a. Monoid a => a -> a -> a
`mappend` String
" Error was: " forall a. Monoid a => a -> a -> a
`mappend` String
err
forall (m :: * -> *) a. Monad m => Status -> Text -> ActionT m a
raiseStatus Status
status422 forall a b. (a -> b) -> a -> b
$ String -> Text
T.pack String
htmlError
A.Success a
a -> do
forall (m :: * -> *) a. Monad m => a -> m a
return a
a
param :: (Parsable a, MonadIO m) => T.Text -> ActionT m a
param :: forall a (m :: * -> *).
(Parsable a, MonadIO m) =>
Text -> ActionT m a
param Text
k = do
Maybe Text
val <- forall (m :: * -> *) a. ReaderT ActionEnv m a -> ActionT m a
ActionT forall a b. (a -> b) -> a -> b
$ (forall a b. Eq a => a -> [(a, b)] -> Maybe b
lookup Text
k forall b c a. (b -> c) -> (a -> b) -> a -> c
. ActionEnv -> [Param]
getParams) forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> forall r (m :: * -> *). MonadReader r m => m r
ask
case Maybe Text
val of
Maybe Text
Nothing -> forall (m :: * -> *) a. Monad m => Status -> Text -> ActionT m a
raiseStatus Status
status500 forall a b. (a -> b) -> a -> b
$ Text
"Param: " forall a. Semigroup a => a -> a -> a
<> Text
k forall a. Semigroup a => a -> a -> a
<> Text
" not found!"
Just Text
v -> forall a c b. (a -> c) -> (b -> c) -> Either a b -> c
either (forall a b. a -> b -> a
const forall (m :: * -> *) a. Monad m => ActionT m a
next) forall (m :: * -> *) a. Monad m => a -> m a
return forall a b. (a -> b) -> a -> b
$ forall a. Parsable a => Text -> Either Text a
parseParam Text
v
{-# DEPRECATED param "(#204) Not a good idea to treat all parameters identically. Use captureParam, formParam and queryParam instead. "#-}
captureParam :: (Parsable a, Monad m) => T.Text -> ActionT m a
captureParam :: forall a (m :: * -> *).
(Parsable a, Monad m) =>
Text -> ActionT m a
captureParam = forall (m :: * -> *) b.
(Monad m, Parsable b) =>
ParamType
-> (ActionEnv -> [Param]) -> Status -> Text -> ActionT m b
paramWith ParamType
CaptureParam ActionEnv -> [Param]
envCaptureParams Status
status500
formParam :: (Parsable a, Monad m) => T.Text -> ActionT m a
formParam :: forall a (m :: * -> *).
(Parsable a, Monad m) =>
Text -> ActionT m a
formParam = forall (m :: * -> *) b.
(Monad m, Parsable b) =>
ParamType
-> (ActionEnv -> [Param]) -> Status -> Text -> ActionT m b
paramWith ParamType
FormParam ActionEnv -> [Param]
envFormParams Status
status400
queryParam :: (Parsable a, Monad m) => T.Text -> ActionT m a
queryParam :: forall a (m :: * -> *).
(Parsable a, Monad m) =>
Text -> ActionT m a
queryParam = forall (m :: * -> *) b.
(Monad m, Parsable b) =>
ParamType
-> (ActionEnv -> [Param]) -> Status -> Text -> ActionT m b
paramWith ParamType
QueryParam ActionEnv -> [Param]
envQueryParams Status
status400
data ParamType = CaptureParam
| FormParam
| QueryParam
instance Show ParamType where
show :: ParamType -> String
show = \case
ParamType
CaptureParam -> String
"capture"
ParamType
FormParam -> String
"form"
ParamType
QueryParam -> String
"query"
paramWith :: (Monad m, Parsable b) =>
ParamType
-> (ActionEnv -> [Param])
-> Status
-> T.Text
-> ActionT m b
paramWith :: forall (m :: * -> *) b.
(Monad m, Parsable b) =>
ParamType
-> (ActionEnv -> [Param]) -> Status -> Text -> ActionT m b
paramWith ParamType
ty ActionEnv -> [Param]
f Status
err Text
k = do
Maybe Text
val <- forall (m :: * -> *) a. ReaderT ActionEnv m a -> ActionT m a
ActionT forall a b. (a -> b) -> a -> b
$ (forall a b. Eq a => a -> [(a, b)] -> Maybe b
lookup Text
k forall b c a. (b -> c) -> (a -> b) -> a -> c
. ActionEnv -> [Param]
f) forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> forall r (m :: * -> *). MonadReader r m => m r
ask
case Maybe Text
val of
Maybe Text
Nothing -> forall (m :: * -> *) a. Monad m => Status -> Text -> ActionT m a
raiseStatus Status
err ([Text] -> Text
T.unwords [String -> Text
T.pack (forall a. Show a => a -> String
show ParamType
ty), Text
"parameter:", Text
k, Text
"not found!"])
Just Text
v ->
let handleParseError :: ParamType -> ActionT m a
handleParseError = \case
ParamType
CaptureParam -> forall (m :: * -> *) a. Monad m => ActionT m a
next
ParamType
_ -> forall (m :: * -> *) a. Monad m => Status -> Text -> ActionT m a
raiseStatus Status
err ([Text] -> Text
T.unwords [Text
"Cannot parse", Text
v, Text
"as a", String -> Text
T.pack (forall a. Show a => a -> String
show ParamType
ty), Text
"parameter"])
in forall a c b. (a -> c) -> (b -> c) -> Either a b -> c
either (forall a b. a -> b -> a
const forall a b. (a -> b) -> a -> b
$ forall {a}. ParamType -> ActionT m a
handleParseError ParamType
ty) forall (m :: * -> *) a. Monad m => a -> m a
return forall a b. (a -> b) -> a -> b
$ forall a. Parsable a => Text -> Either Text a
parseParam Text
v
params :: Monad m => ActionT m [Param]
params :: forall (m :: * -> *). Monad m => ActionT m [Param]
params = forall (m :: * -> *) a. Monad m => (ActionEnv -> a) -> ActionT m a
paramsWith ActionEnv -> [Param]
getParams
{-# DEPRECATED params "(#204) Not a good idea to treat all parameters identically. Use captureParams, formParams and queryParams instead. "#-}
captureParams :: Monad m => ActionT m [Param]
captureParams :: forall (m :: * -> *). Monad m => ActionT m [Param]
captureParams = forall (m :: * -> *) a. Monad m => (ActionEnv -> a) -> ActionT m a
paramsWith ActionEnv -> [Param]
envCaptureParams
formParams :: Monad m => ActionT m [Param]
formParams :: forall (m :: * -> *). Monad m => ActionT m [Param]
formParams = forall (m :: * -> *) a. Monad m => (ActionEnv -> a) -> ActionT m a
paramsWith ActionEnv -> [Param]
envFormParams
queryParams :: Monad m => ActionT m [Param]
queryParams :: forall (m :: * -> *). Monad m => ActionT m [Param]
queryParams = forall (m :: * -> *) a. Monad m => (ActionEnv -> a) -> ActionT m a
paramsWith ActionEnv -> [Param]
envQueryParams
paramsWith :: Monad m => (ActionEnv -> a) -> ActionT m a
paramsWith :: forall (m :: * -> *) a. Monad m => (ActionEnv -> a) -> ActionT m a
paramsWith ActionEnv -> a
f = forall (m :: * -> *) a. ReaderT ActionEnv m a -> ActionT m a
ActionT (ActionEnv -> a
f forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> forall r (m :: * -> *). MonadReader r m => m r
ask)
{-# DEPRECATED getParams "(#204) Not a good idea to treat all parameters identically" #-}
getParams :: ActionEnv -> [Param]
getParams :: ActionEnv -> [Param]
getParams ActionEnv
e = ActionEnv -> [Param]
envCaptureParams ActionEnv
e forall a. Semigroup a => a -> a -> a
<> ActionEnv -> [Param]
envFormParams ActionEnv
e forall a. Semigroup a => a -> a -> a
<> ActionEnv -> [Param]
envQueryParams ActionEnv
e
class Parsable a where
parseParam :: T.Text -> Either T.Text a
parseParamList :: T.Text -> Either T.Text [a]
parseParamList Text
t = forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
mapM forall a. Parsable a => Text -> Either Text a
parseParam ((Char -> Bool) -> Text -> [Text]
T.split (forall a. Eq a => a -> a -> Bool
== Char
',') Text
t)
instance Parsable T.Text where parseParam :: Text -> Either Text Text
parseParam = forall a b. b -> Either a b
Right
instance Parsable ST.Text where parseParam :: Text -> Either Text Text
parseParam = forall a b. b -> Either a b
Right forall b c a. (b -> c) -> (a -> b) -> a -> c
. Text -> Text
T.toStrict
instance Parsable B.ByteString where parseParam :: Text -> Either Text ByteString
parseParam = forall a b. b -> Either a b
Right forall b c a. (b -> c) -> (a -> b) -> a -> c
. Text -> ByteString
lazyTextToStrictByteString
instance Parsable BL.ByteString where parseParam :: Text -> Either Text ByteString
parseParam = forall a b. b -> Either a b
Right forall b c a. (b -> c) -> (a -> b) -> a -> c
. Text -> ByteString
encodeUtf8
instance Parsable Char where
parseParam :: Text -> Either Text Char
parseParam Text
t = case Text -> String
T.unpack Text
t of
[Char
c] -> forall a b. b -> Either a b
Right Char
c
String
_ -> forall a b. a -> Either a b
Left Text
"parseParam Char: no parse"
parseParamList :: Text -> Either Text String
parseParamList = forall a b. b -> Either a b
Right forall b c a. (b -> c) -> (a -> b) -> a -> c
. Text -> String
T.unpack
instance Parsable () where
parseParam :: Text -> Either Text ()
parseParam Text
t = if Text -> Bool
T.null Text
t then forall a b. b -> Either a b
Right () else forall a b. a -> Either a b
Left Text
"parseParam Unit: no parse"
instance (Parsable a) => Parsable [a] where parseParam :: Text -> Either Text [a]
parseParam = forall a. Parsable a => Text -> Either Text [a]
parseParamList
instance Parsable Bool where
parseParam :: Text -> Either Text Bool
parseParam Text
t = if Text
t' forall a. Eq a => a -> a -> Bool
== Text -> Text
T.toCaseFold Text
"true"
then forall a b. b -> Either a b
Right Bool
True
else if Text
t' forall a. Eq a => a -> a -> Bool
== Text -> Text
T.toCaseFold Text
"false"
then forall a b. b -> Either a b
Right Bool
False
else forall a b. a -> Either a b
Left Text
"parseParam Bool: no parse"
where t' :: Text
t' = Text -> Text
T.toCaseFold Text
t
instance Parsable Double where parseParam :: Text -> Either Text Double
parseParam = forall a. Read a => Text -> Either Text a
readEither
instance Parsable Float where parseParam :: Text -> Either Text Float
parseParam = forall a. Read a => Text -> Either Text a
readEither
instance Parsable Int where parseParam :: Text -> Either Text Int
parseParam = forall a. Read a => Text -> Either Text a
readEither
instance Parsable Int8 where parseParam :: Text -> Either Text Int8
parseParam = forall a. Read a => Text -> Either Text a
readEither
instance Parsable Int16 where parseParam :: Text -> Either Text Int16
parseParam = forall a. Read a => Text -> Either Text a
readEither
instance Parsable Int32 where parseParam :: Text -> Either Text Int32
parseParam = forall a. Read a => Text -> Either Text a
readEither
instance Parsable Int64 where parseParam :: Text -> Either Text Int64
parseParam = forall a. Read a => Text -> Either Text a
readEither
instance Parsable Integer where parseParam :: Text -> Either Text Integer
parseParam = forall a. Read a => Text -> Either Text a
readEither
instance Parsable Word where parseParam :: Text -> Either Text Word
parseParam = forall a. Read a => Text -> Either Text a
readEither
instance Parsable Word8 where parseParam :: Text -> Either Text Word8
parseParam = forall a. Read a => Text -> Either Text a
readEither
instance Parsable Word16 where parseParam :: Text -> Either Text Word16
parseParam = forall a. Read a => Text -> Either Text a
readEither
instance Parsable Word32 where parseParam :: Text -> Either Text Word32
parseParam = forall a. Read a => Text -> Either Text a
readEither
instance Parsable Word64 where parseParam :: Text -> Either Text Word64
parseParam = forall a. Read a => Text -> Either Text a
readEither
instance Parsable Natural where parseParam :: Text -> Either Text Natural
parseParam = forall a. Read a => Text -> Either Text a
readEither
readEither :: Read a => T.Text -> Either T.Text a
readEither :: forall a. Read a => Text -> Either Text a
readEither Text
t = case [ a
x | (a
x,String
"") <- forall a. Read a => ReadS a
reads (Text -> String
T.unpack Text
t) ] of
[a
x] -> forall a b. b -> Either a b
Right a
x
[] -> forall a b. a -> Either a b
Left Text
"readEither: no parse"
[a]
_ -> forall a b. a -> Either a b
Left Text
"readEither: ambiguous parse"
status :: MonadIO m => Status -> ActionT m ()
status :: forall (m :: * -> *). MonadIO m => Status -> ActionT m ()
status = forall (m :: * -> *).
MonadIO m =>
(ScottyResponse -> ScottyResponse) -> ActionT m ()
modifyResponse forall b c a. (b -> c) -> (a -> b) -> a -> c
. Status -> ScottyResponse -> ScottyResponse
setStatus
changeHeader :: MonadIO m
=> (CI.CI B.ByteString -> B.ByteString -> [(HeaderName, B.ByteString)] -> [(HeaderName, B.ByteString)])
-> T.Text -> T.Text -> ActionT m ()
CI ByteString -> ByteString -> RequestHeaders -> RequestHeaders
f Text
k =
forall (m :: * -> *).
MonadIO m =>
(ScottyResponse -> ScottyResponse) -> ActionT m ()
modifyResponse forall b c a. (b -> c) -> (a -> b) -> a -> c
. (RequestHeaders -> RequestHeaders)
-> ScottyResponse -> ScottyResponse
setHeaderWith forall b c a. (b -> c) -> (a -> b) -> a -> c
. CI ByteString -> ByteString -> RequestHeaders -> RequestHeaders
f (forall s. FoldCase s => s -> CI s
CI.mk forall a b. (a -> b) -> a -> b
$ Text -> ByteString
lazyTextToStrictByteString Text
k) forall b c a. (b -> c) -> (a -> b) -> a -> c
. Text -> ByteString
lazyTextToStrictByteString
addHeader :: MonadIO m => T.Text -> T.Text -> ActionT m ()
= forall (m :: * -> *).
MonadIO m =>
(CI ByteString -> ByteString -> RequestHeaders -> RequestHeaders)
-> Text -> Text -> ActionT m ()
changeHeader forall a b. a -> b -> [(a, b)] -> [(a, b)]
add
setHeader :: MonadIO m => T.Text -> T.Text -> ActionT m ()
= forall (m :: * -> *).
MonadIO m =>
(CI ByteString -> ByteString -> RequestHeaders -> RequestHeaders)
-> Text -> Text -> ActionT m ()
changeHeader forall a b. Eq a => a -> b -> [(a, b)] -> [(a, b)]
replace
text :: (MonadIO m) => T.Text -> ActionT m ()
text :: forall (m :: * -> *). MonadIO m => Text -> ActionT m ()
text Text
t = do
forall (m :: * -> *).
MonadIO m =>
(CI ByteString -> ByteString -> RequestHeaders -> RequestHeaders)
-> Text -> Text -> ActionT m ()
changeHeader forall a b. Eq a => a -> b -> [(a, b)] -> [(a, b)]
addIfNotPresent Text
"Content-Type" Text
"text/plain; charset=utf-8"
forall (m :: * -> *). MonadIO m => ByteString -> ActionT m ()
raw forall a b. (a -> b) -> a -> b
$ Text -> ByteString
encodeUtf8 Text
t
html :: (MonadIO m) => T.Text -> ActionT m ()
html :: forall (m :: * -> *). MonadIO m => Text -> ActionT m ()
html Text
t = do
forall (m :: * -> *).
MonadIO m =>
(CI ByteString -> ByteString -> RequestHeaders -> RequestHeaders)
-> Text -> Text -> ActionT m ()
changeHeader forall a b. Eq a => a -> b -> [(a, b)] -> [(a, b)]
addIfNotPresent Text
"Content-Type" Text
"text/html; charset=utf-8"
forall (m :: * -> *). MonadIO m => ByteString -> ActionT m ()
raw forall a b. (a -> b) -> a -> b
$ Text -> ByteString
encodeUtf8 Text
t
file :: MonadIO m => FilePath -> ActionT m ()
file :: forall (m :: * -> *). MonadIO m => String -> ActionT m ()
file = forall (m :: * -> *).
MonadIO m =>
(ScottyResponse -> ScottyResponse) -> ActionT m ()
modifyResponse forall b c a. (b -> c) -> (a -> b) -> a -> c
. Content -> ScottyResponse -> ScottyResponse
setContent forall b c a. (b -> c) -> (a -> b) -> a -> c
. String -> Content
ContentFile
rawResponse :: MonadIO m => Response -> ActionT m ()
rawResponse :: forall (m :: * -> *). MonadIO m => Response -> ActionT m ()
rawResponse = forall (m :: * -> *).
MonadIO m =>
(ScottyResponse -> ScottyResponse) -> ActionT m ()
modifyResponse forall b c a. (b -> c) -> (a -> b) -> a -> c
. Content -> ScottyResponse -> ScottyResponse
setContent forall b c a. (b -> c) -> (a -> b) -> a -> c
. Response -> Content
ContentResponse
json :: (A.ToJSON a, MonadIO m) => a -> ActionT m ()
json :: forall a (m :: * -> *). (ToJSON a, MonadIO m) => a -> ActionT m ()
json a
v = do
forall (m :: * -> *).
MonadIO m =>
(CI ByteString -> ByteString -> RequestHeaders -> RequestHeaders)
-> Text -> Text -> ActionT m ()
changeHeader forall a b. Eq a => a -> b -> [(a, b)] -> [(a, b)]
addIfNotPresent Text
"Content-Type" Text
"application/json; charset=utf-8"
forall (m :: * -> *). MonadIO m => ByteString -> ActionT m ()
raw forall a b. (a -> b) -> a -> b
$ forall a. ToJSON a => a -> ByteString
A.encode a
v
stream :: MonadIO m => StreamingBody -> ActionT m ()
stream :: forall (m :: * -> *). MonadIO m => StreamingBody -> ActionT m ()
stream = forall (m :: * -> *).
MonadIO m =>
(ScottyResponse -> ScottyResponse) -> ActionT m ()
modifyResponse forall b c a. (b -> c) -> (a -> b) -> a -> c
. Content -> ScottyResponse -> ScottyResponse
setContent forall b c a. (b -> c) -> (a -> b) -> a -> c
. StreamingBody -> Content
ContentStream
raw :: MonadIO m => BL.ByteString -> ActionT m ()
raw :: forall (m :: * -> *). MonadIO m => ByteString -> ActionT m ()
raw = forall (m :: * -> *).
MonadIO m =>
(ScottyResponse -> ScottyResponse) -> ActionT m ()
modifyResponse forall b c a. (b -> c) -> (a -> b) -> a -> c
. Content -> ScottyResponse -> ScottyResponse
setContent forall b c a. (b -> c) -> (a -> b) -> a -> c
. Builder -> Content
ContentBuilder forall b c a. (b -> c) -> (a -> b) -> a -> c
. ByteString -> Builder
fromLazyByteString
nested :: (MonadIO m) => Network.Wai.Application -> ActionT m ()
nested :: forall (m :: * -> *). MonadIO m => Application -> ActionT m ()
nested Application
app = do
Request
r <- forall (m :: * -> *). Monad m => ActionT m Request
request
MVar Response
ref <- forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO forall a b. (a -> b) -> a -> b
$ forall a. IO (MVar a)
newEmptyMVar
ResponseReceived
_ <- forall (m :: * -> *) a. MonadIO m => IO a -> ActionT m a
liftAndCatchIO forall a b. (a -> b) -> a -> b
$ Application
app Request
r (\Response
res -> forall a. MVar a -> a -> IO ()
putMVar MVar Response
ref Response
res forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> forall (m :: * -> *) a. Monad m => a -> m a
return ResponseReceived
ResponseReceived)
Response
res <- forall (m :: * -> *) a. MonadIO m => IO a -> ActionT m a
liftAndCatchIO forall a b. (a -> b) -> a -> b
$ forall a. MVar a -> IO a
readMVar MVar Response
ref
forall (m :: * -> *). MonadIO m => Response -> ActionT m ()
rawResponse Response
res