@@ -1,17 +1,23 @@
1−{-# LANGUAGE AllowAmbiguousTypes #-}
2−{-# LANGUAGE CPP #-}
3−{-# LANGUAGE DataKinds #-}
4−{-# LANGUAGE FlexibleContexts #-}
5−{-# LANGUAGE FlexibleInstances #-}
6−{-# LANGUAGE InstanceSigs #-}
7−{-# LANGUAGE OverloadedStrings #-}
8−{-# LANGUAGE PolyKinds #-}
9−{-# LANGUAGE ScopedTypeVariables #-}
10−{-# LANGUAGE TupleSections #-}
11−{-# LANGUAGE TypeFamilies #-}
12−{-# LANGUAGE TypeOperators #-}
13−{-# LANGUAGE UndecidableInstances #-}
14−{-# LANGUAGE MultiParamTypeClasses #-}
1+{-# LANGUAGE AllowAmbiguousTypes #-}
2+{-# LANGUAGE CPP #-}
3+{-# LANGUAGE DataKinds #-}
4+{-# LANGUAGE FlexibleContexts #-}
5+{-# LANGUAGE FlexibleInstances #-}
6+{-# LANGUAGE GeneralizedNewtypeDeriving #-}
7+{-# LANGUAGE InstanceSigs #-}
8+{-# LANGUAGE MultiParamTypeClasses #-}
9+{-# LANGUAGE OverloadedStrings #-}
10+{-# LANGUAGE PolyKinds #-}
11+{-# LANGUAGE Rank2Types #-}
12+{-# LANGUAGE ScopedTypeVariables #-}
13+{-# LANGUAGE TupleSections #-}
14+{-# LANGUAGE TypeFamilies #-}
15+{-# LANGUAGE TypeOperators #-}
16+{-# LANGUAGE UndecidableInstances #-}
17+
18+#if MIN_VERSION_base(4,9,0)
19+{-# OPTIONS_GHC -fno-warn-redundant-constraints #-}
20+#endif
1521
1622-- #include "overlapping-compat.h"
1723-- | This module provides 'client' which can automatically generate
@@ -19,56 +25,71 @@
1925-- API.
2026module Servant.Reflex
2127 ( client
28+ , clientWithOpts
29+ , clientWithOptsAndResultHandler
30+ , clientWithRoute
31+ , clientWithRouteAndResultHandler
2232 , BuildHeaderKeysTo(..)
2333 , toHeaders
24− , HasClient(..)
34+ , HasClient
35+ , Client
2536 , module Servant.Common.Req
2637 , module Servant.Common.BaseUrl
2738 ) where
2839
2940------------------------------------------------------------------------------
3041import Control.Applicative
42+import qualified Data.CaseInsensitive as CI
43+import Data.Functor.Identity
44+import qualified Data.Map as Map
3145import Data.Monoid ((<>))
32−import qualified Data.Set as Set
33−import qualified Data.Text.Encoding as E
34−import Data.CaseInsensitive (mk)
3546import Data.Proxy (Proxy (..))
36−import qualified Data.Map as Map
47+import qualified Data.Set as Set
3748import Data.Text (Text)
3849import qualified Data.Text as T
50+import qualified Data.Text.Encoding as E
51+import GHC.Exts (Constraint)
3952import GHC.TypeLits (KnownSymbol, symbolVal)
40−import Servant.API ((:<|>)(..),(:>), BasicAuth,
41− BasicAuthData, BuildHeadersTo(..),
42− Capture, contentType, Header,
43− Headers(..), HttpVersion, IsSecure,
44− MimeRender(..), MimeUnrender,
45− NoContent, QueryFlag, QueryParam,
46− QueryParams, Raw, ReflectMethod(..),
53+import Servant.API ((:<|>) (..), (:>), BasicAuth,
54+ BasicAuthData, BuildHeadersTo (..),
55+ Capture, Header, Headers (..),
56+ HttpVersion, IsSecure,
57+ MimeRender (..), MimeUnrender,
58+ NoContent, QueryFlag, QueryParam',
59+ QueryParams, Raw, ReflectMethod (..),
4760 RemoteHost, ReqBody,
48− ToHttpApiData(..), Vault, Verb)
49−
50−import Reflex.Dom (Dynamic, Event, Reflex,
51− XhrRequest(..),
52− XhrResponseHeaders(..),
53− XhrResponse(..), ffor, fmapMaybe,
54− leftmost, performRequestAsync,
55− tagPromptlyDyn )
61+ ToHttpApiData (..), Vault, Verb,
62+ contentType)
63+import Servant.API.Description (Summary)
64+import qualified Servant.Auth as Auth
65+
66+import Reflex.Dom.Core (Dynamic, Event, Reflex,
67+ XhrRequest (..), XhrResponse (..),
68+ XhrResponseHeaders (..),
69+ attachPromptlyDynWith, constDyn, ffor,
70+ fmapMaybe, leftmost,
71+ performRequestsAsync)
5672------------------------------------------------------------------------------
5773import Servant.Common.BaseUrl (BaseUrl(..), Scheme(..), baseUrlWidget,
5874 showBaseUrl,
5975 SupportsServantReflex)
60−import Servant.Common.Req (Req, ReqResult(..), QParam(..),
76+import Servant.Common.Req (ClientOptions(..),
77+ defaultClientOptions,
78+ Req, ReqResult(..), QParam(..),
6179 QueryPart(..), addHeader, authData,
62− defReq, prependToPathParts,
63− performRequestCT,
80+ defReq, evalResponse, prependToPathParts,
81+ -- performRequestCT,
6482 performRequestsCT,
65− performRequestNoBody,
83+ -- performRequestNoBody,
6684 performRequestsNoBody,
6785 performSomeRequestsAsync,
6886 qParamToQueryPart, reqBody,
6987 reqSuccess, reqFailure,
70− reqMethod, respHeaders, response,
71− qParams)
88+ reqMethod, respHeaders,
89+ response,
90+ reqTag,
91+ qParams, withCredentials)
92+
7293
7394-- * Accessing APIs as a Client
7495
@@ -80,30 +101,77 @@ import Servant.Common.Req (Req, ReqResult(..), QParam(..),
80101-- > myApi :: Proxy MyApi
81102-- > myApi = Proxy
82103-- >
83−-- > getAllBooks :: Event t () -> m (Event t (Either XhrError ((),[Book])))
84−-- > postNewBook :: Dynamic t (Maybe Book) -> Event t ()
85−-- -> m (Event t (Either XhrError (Book,Book)))
104+-- > getAllBooks :: Event t l -> m (Event t (l, ReqResult [Book]))
105+-- > postNewBook :: Dynamic t (Maybe Book) -> Event t l
106+-- > -> m (Event t (l, ReqResult Book)))
86107-- > (getAllBooks :<|> postNewBook) = client myApi host
87108-- > where host = constDyn $ BaseUrl Http "localhost" 8080
88−client :: (HasClient t m layout)
89− => Proxy layout -> Proxy m -> Dynamic t BaseUrl -> Client t m layout
90−client p q baseurl = clientWithRoute p q defReq baseurl
109+client
110+ :: (HasClient t m layout tag)
111+ => Proxy layout
112+ -> Proxy m
113+ -> Proxy tag
114+ -> Dynamic t BaseUrl
115+ -> Client t m layout tag
116+client p q t baseurl = clientWithRoute p q t defReq baseurl defaultClientOptions
117+
118+clientWithOpts
119+ :: (HasClient t m layout tag)
120+ => Proxy layout
121+ -> Proxy m
122+ -> Proxy tag
123+ -> Dynamic t BaseUrl
124+ -> ClientOptions
125+ -> Client t m layout tag
126+clientWithOpts p q t baseurl = clientWithRoute p q t defReq baseurl
127+
128+-- | Like 'clientWithOpts' but allows passing a function which will process the
129+-- result event in some way. This can be used to handle errors in a uniform way
130+-- across call sites.
131+clientWithOptsAndResultHandler
132+ :: (HasClient t m layout tag)
133+ => Proxy layout
134+ -> Proxy m
135+ -> Proxy tag
136+ -> Dynamic t BaseUrl
137+ -> ClientOptions
138+ -> (forall a. Event t (ReqResult tag a) -> m (Event t (ReqResult tag a)))
139+ -> Client t m layout tag
140+clientWithOptsAndResultHandler p q t = clientWithRouteAndResultHandler p q t defReq
91141
92142
93143-- | This class lets us define how each API combinator
94144-- influences the creation of an HTTP request. It's mostly
95145-- an internal class, you can just use 'client'.
96−class HasClient t m layout where
97− type Client t m layout :: *
98− clientWithRoute :: Proxy layout -> Proxy m -> Req t -> Dynamic t BaseUrl -> Client t m layout
99−
100−
101−instance (HasClient t m a, HasClient t m b) => HasClient t m (a :<|> b) where
102− type Client t m (a :<|> b) = Client t m a :<|> Client t m b
103−
104− clientWithRoute Proxy q req baseurl =
105− clientWithRoute (Proxy :: Proxy a) q req baseurl :<|>
106− clientWithRoute (Proxy :: Proxy b) q req baseurl
146+class Monad m => HasClient t m layout (tag :: *) where
147+ type Client t m layout tag :: *
148+ clientWithRoute
149+ :: Proxy layout
150+ -> Proxy m
151+ -> Proxy tag
152+ -> Req t
153+ -> Dynamic t BaseUrl
154+ -> ClientOptions
155+ -> Client t m layout tag
156+ clientWithRoute l m t r b o = clientWithRouteAndResultHandler l m t r b o return
157+
158+ clientWithRouteAndResultHandler
159+ :: Proxy layout
160+ -> Proxy m
161+ -> Proxy tag
162+ -> Req t
163+ -> Dynamic t BaseUrl
164+ -> ClientOptions
165+ -> (forall a. Event t (ReqResult tag a) -> m (Event t (ReqResult tag a)))
166+ -> Client t m layout tag
167+
168+
169+instance (HasClient t m a tag, HasClient t m b tag) => HasClient t m (a :<|> b) tag where
170+ type Client t m (a :<|> b) tag = Client t m a tag :<|> Client t m b tag
171+
172+ clientWithRouteAndResultHandler Proxy q pTag req baseurl opts wrap =
173+ clientWithRouteAndResultHandler (Proxy :: Proxy a) q pTag req baseurl opts wrap :<|>
174+ clientWithRouteAndResultHandler (Proxy :: Proxy b) q pTag req baseurl opts wrap
107175
108176
109177-- Capture. Example:
@@ -114,21 +182,19 @@ instance (HasClient t m a, HasClient t m b) => HasClient t m (a :<|> b) where
114182-- > getBook :: SupportsServantReflex t m
115183-- => Dynamic t BaseUrl
116184-- -> Dynamic t (Maybe Text)
117−-- -> Event t ()
118−-- -> m (Event t (Either XhrError (Text, Book)))
185+-- -> Event t l
186+-- -> m (Event t (l, ReqResult Book))
119187-- > getBook = client myApi (constDyn host)
120188
121−instance (SupportsServantReflex t m, ToHttpApiData a, HasClient t m sublayout)
122− => HasClient t m (Capture capture a :> sublayout) where
189+instance (SupportsServantReflex t m, ToHttpApiData a, HasClient t m sublayout tag)
190+ => HasClient t m (Capture capture a :> sublayout) tag where
123191
124− type Client t m (Capture capture a :> sublayout) =
125− Dynamic t (Either Text a) -> Client t m sublayout
192+ type Client t m (Capture capture a :> sublayout) tag =
193+ Dynamic t (Either Text a) -> Client t m sublayout tag
126194
127− clientWithRoute Proxy q req baseurl val =
128− clientWithRoute (Proxy :: Proxy sublayout)
129− q
130− (prependToPathParts p req)
131− baseurl
195+ clientWithRouteAndResultHandler Proxy q t req baseurl opts wrap val =
196+ clientWithRouteAndResultHandler
197+ (Proxy :: Proxy sublayout) q t (prependToPathParts p req) baseurl opts wrap
132198 where p = (fmap . fmap) (toUrlPiece) val
133199
134200
@@ -136,50 +202,52 @@ instance (SupportsServantReflex t m, ToHttpApiData a, HasClient t m sublayout)
136202instance {-# OVERLAPPABLE #-}
137203 -- Note [Non-Empty Content Types]
138204 (MimeUnrender ct a, ReflectMethod method, cts' ~ (ct ': cts), SupportsServantReflex t m
139− ) => HasClient t m (Verb method status cts' a) where
140− type Client t m (Verb method status cts' a) =
141− Event t () -> m (Event t (ReqResult a))
205+ ) => HasClient t m (Verb method status cts' a) tag where
206+ type Client t m (Verb method status cts' a) tag =
207+ Event t tag -> m (Event t (ReqResult tag a))
142208 -- TODO how to access input types here?
143209 -- ExceptT ServantError IO a
144− clientWithRoute Proxy _ req baseurl =
145− performRequestCT (Proxy :: Proxy ct) method req' baseurl
210+ clientWithRouteAndResultHandler Proxy _ _ req baseurl opts wrap trigs =
211+ wrap =<< fmap runIdentity <$> performRequestsCT (Proxy :: Proxy ct) method (constDyn $ Identity $ req') baseurl opts trigs
146212 where method = E.decodeUtf8 $ reflectMethod (Proxy :: Proxy method)
147213 req' = req { reqMethod = method }
148214
149215
150−
151−
152216-- -- VERB (No content) --
153217instance {-# OVERLAPPING #-}
154218 (ReflectMethod method, SupportsServantReflex t m) =>
155− HasClient t m (Verb method status cts NoContent) where
156− type Client t m (Verb method status cts NoContent) =
157− Event t () -> m (Event t (ReqResult NoContent))
219+ HasClient t m (Verb method status cts NoContent) tag where
220+ type Client t m (Verb method status cts NoContent) tag =
221+ Event t tag -> m (Event t (ReqResult tag NoContent))
158222 -- TODO: how to access input types here?
159223 -- ExceptT ServantError IO NoContent
160− clientWithRoute Proxy _ req baseurl =
161− performRequestNoBody method req baseurl
224+ clientWithRouteAndResultHandler Proxy _ _ req baseurl opts wrap trigs =
225+ wrap =<< fmap runIdentity <$> performRequestsNoBody method (constDyn $ Identity req) baseurl opts trigs
162226 where method = E.decodeUtf8 $ reflectMethod (Proxy :: Proxy method)
163227
164228
165−toHeaders :: BuildHeadersTo ls => ReqResult a -> ReqResult (Headers ls a)
229+toHeaders :: BuildHeadersTo ls => ReqResult tag a -> ReqResult tag (Headers ls a)
166230toHeaders r =
167− let toBS = E.encodeUtf8
168− hdrs = maybe []
169− (\xhr -> fmap (\(h,v) -> (mk (toBS h), toBS v))
231+ let hdrs = maybe []
232+ (\xhr -> fmap (\(h,v) -> (CI.map E.encodeUtf8 h, E.encodeUtf8 v))
170233 (Map.toList $ _xhrResponse_headers xhr))
171234 (response r)
172235 in ffor r $ \a -> Headers {getResponse = a ,getHeadersHList = buildHeadersTo hdrs}
173236
237+
174238class BuildHeaderKeysTo hs where
175− buildHeaderKeysTo :: Proxy hs -> [T.Text]
239+ buildHeaderKeysTo :: Proxy hs -> [CI.CI T.Text]
176240
177241instance {-# OVERLAPPABLE #-} BuildHeaderKeysTo '[]
178242 where buildHeaderKeysTo _ = []
179243
180244instance {-# OVERLAPPABLE #-} (BuildHeaderKeysTo xs, KnownSymbol h)
181− => BuildHeaderKeysTo '[(Header h v) ': xs] where
182− buildHeaderKeysTo _ = (T.pack $ symbolVal (Proxy :: Proxy h)) : buildHeaderKeysTo (Proxy :: Proxy xs)
245+ => BuildHeaderKeysTo ((Header h v) ': xs) where
246+ buildHeaderKeysTo _ =
247+ let
248+ thisKey = CI.mk $ T.pack (symbolVal (Proxy :: Proxy h))
249+ in thisKey : buildHeaderKeysTo (Proxy :: Proxy xs)
250+
183251
184252-- HEADERS Verb (Content) --
185253-- Headers combinator not treated in fully general case,
@@ -191,13 +259,13 @@ instance {-# OVERLAPPABLE #-}
191259 ( MimeUnrender ct a, BuildHeadersTo ls, BuildHeaderKeysTo ls,
192260 ReflectMethod method, cts' ~ (ct ': cts),
193261 SupportsServantReflex t m
194− ) => HasClient t m (Verb method status cts' (Headers ls a)) where
195− type Client t m (Verb method status cts' (Headers ls a)) =
196− Event t () -> m (Event t (ReqResult (Headers ls a)))
197− clientWithRoute Proxy _ req baseurl = do
262+ ) => HasClient t m (Verb method status cts' (Headers ls a)) tag where
263+ type Client t m (Verb method status cts' (Headers ls a)) tag =
264+ Event t tag -> m (Event t (ReqResult tag (Headers ls a)))
265+ clientWithRouteAndResultHandler Proxy _ _ req baseurl opts wrap trigs = do
198266 let method = E.decodeUtf8 $ reflectMethod (Proxy :: Proxy method)
199− resp <- performRequestCT (Proxy :: Proxy ct) method req' baseurl
200− return $ (fmap . fmap) toHeaders resp
267+ resp <- fmap runIdentity <$> performRequestsCT (Proxy :: Proxy ct) method (constDyn $ Identity req') baseurl opts trigs
268+ wrap $ toHeaders <$> resp
201269 where req' = req { respHeaders =
202270 OnlyHeaders (Set.fromList (buildHeaderKeysTo (Proxy :: Proxy ls)))
203271 }
@@ -207,13 +275,13 @@ instance {-# OVERLAPPABLE #-}
207275instance {-# OVERLAPPABLE #-}
208276 ( BuildHeadersTo ls, BuildHeaderKeysTo ls, ReflectMethod method,
209277 SupportsServantReflex t m
210− ) => HasClient t m (Verb method status cts (Headers ls NoContent)) where
211− type Client t m (Verb method status cts (Headers ls NoContent))
212− = Event t () -> m (Event t (ReqResult (Headers ls NoContent)))
213− clientWithRoute Proxy _ req baseurl = do
278+ ) => HasClient t m (Verb method status cts (Headers ls NoContent)) tag where
279+ type Client t m (Verb method status cts (Headers ls NoContent)) tag
280+ = Event t tag -> m (Event t (ReqResult tag (Headers ls NoContent)))
281+ clientWithRouteAndResultHandler Proxy _ _ req baseurl opts wrap trigs = do
214282 let method = E.decodeUtf8 $ reflectMethod (Proxy :: Proxy method)
215− resp <- performRequestNoBody method req' baseurl
216− return $ (fmap . fmap) toHeaders resp
283+ resp <- fmap runIdentity <$> performRequestsNoBody method (constDyn $ Identity req') baseurl opts trigs
284+ wrap $ toHeaders <$> resp
217285 where req' = req {respHeaders =
218286 OnlyHeaders (Set.fromList (buildHeaderKeysTo (Proxy :: Proxy ls)))
219287 }
@@ -234,17 +302,17 @@ instance {-# OVERLAPPABLE #-}
234302-- > -- then you can just use "viewRefer" to query that endpoint
235303-- > -- specifying Nothing or e.g Just "http://haskell.org/" as arguments
236304instance (KnownSymbol sym, ToHttpApiData a,
237− HasClient t m sublayout, SupportsServantReflex t m)
238− => HasClient t m (Header sym a :> sublayout) where
305+ HasClient t m sublayout tag, SupportsServantReflex t m)
306+ => HasClient t m (Header sym a :> sublayout) tag where
239307
240− type Client t m (Header sym a :> sublayout) =
241− Dynamic t (Either Text a) -> Client t m sublayout
308+ type Client t m (Header sym a :> sublayout) tag =
309+ Dynamic t (Either Text a) -> Client t m sublayout tag
242310
243− clientWithRoute Proxy q req baseurl eVal =
244− clientWithRoute (Proxy :: Proxy sublayout)
245− q
246− (Servant.Common.Req.addHeader hname eVal req)
247− baseurl
311+ clientWithRouteAndResultHandler Proxy q t req baseurl opts wrap eVal =
312+ clientWithRouteAndResultHandler
313+ (Proxy :: Proxy sublayout) q t
314+ (Servant.Common.Req.addHeader hname eVal req)
315+ baseurl opts wrap
248316 where hname = T.pack $ symbolVal (Proxy :: Proxy sym)
249317
250318
@@ -252,14 +320,26 @@ instance (KnownSymbol sym, ToHttpApiData a,
252320
253321-- | Using a 'HttpVersion' combinator in your API doesn't affect the client
254322-- functions.
255−instance HasClient t m sublayout
256− => HasClient t m (HttpVersion :> sublayout) where
323+instance HasClient t m sublayout tag
324+ => HasClient t m (HttpVersion :> sublayout) tag where
257325
258− type Client t m (HttpVersion :> sublayout) =
259− Client t m sublayout
326+ type Client t m (HttpVersion :> sublayout) tag =
327+ Client t m sublayout tag
328+
329+ clientWithRouteAndResultHandler Proxy =
330+ clientWithRouteAndResultHandler (Proxy :: Proxy sublayout)
331+
332+-- | Using a 'Summary' combinator in your API doesn't affect the client
333+-- functions.
334+instance (HasClient t m sublayout tag, KnownSymbol sym)
335+ => HasClient t m (Summary sym :> sublayout) tag where
336+
337+ type Client t m (Summary sym :> sublayout) tag =
338+ Client t m sublayout tag
339+
340+ clientWithRouteAndResultHandler Proxy =
341+ clientWithRouteAndResultHandler (Proxy :: Proxy sublayout)
260342
261− clientWithRoute Proxy q =
262− clientWithRoute (Proxy :: Proxy sublayout) q
263343
264344
265345
@@ -289,16 +369,16 @@ instance HasClient t m sublayout
289369-- > -- then you can just use "getBooksBy" to query that endpoint.
290370-- > -- 'getBooksBy Nothing' for all books
291371-- > -- 'getBooksBy (Just "Isaac Asimov")' to get all books by Isaac Asimov
292−instance (KnownSymbol sym, ToHttpApiData a, HasClient t m sublayout, Reflex t)
293− => HasClient t m (QueryParam sym a :> sublayout) where
372+instance (KnownSymbol sym, ToHttpApiData a, HasClient t m sublayout tag, Reflex t)
373+ => HasClient t m (QueryParam' mods sym a :> sublayout) tag where
294374
295− type Client t m (QueryParam sym a :> sublayout) =
296− Dynamic t (QParam a) -> Client t m sublayout
375+ type Client t m (QueryParam' mods sym a :> sublayout) tag =
376+ Dynamic t (QParam a) -> Client t m sublayout tag
297377
298378 -- if mparam = Nothing, we don't add it to the query string
299− clientWithRoute Proxy q req baseurl mparam =
300− clientWithRoute (Proxy :: Proxy sublayout) q
301− (req {qParams = paramPair : qParams req}) baseurl
379+ clientWithRouteAndResultHandler Proxy q t req baseurl opts wrap mparam =
380+ clientWithRouteAndResultHandler (Proxy :: Proxy sublayout) q t
381+ (req {qParams = paramPair : qParams req}) baseurl opts wrap
302382
303383 where pname = symbolVal (Proxy :: Proxy sym)
304384 --p prm = QueryPartParam $ (fmap . fmap) (toQueryParam) prm
@@ -336,18 +416,18 @@ instance (KnownSymbol sym, ToHttpApiData a, HasClient t m sublayout, Reflex t)
336416-- > -- 'getBooksBy []' for all books
337417-- > -- 'getBooksBy ["Isaac Asimov", "Robert A. Heinlein"]'
338418-- > -- to get all books by Asimov and Heinlein
339−instance (KnownSymbol sym, ToHttpApiData a, HasClient t m sublayout, Reflex t)
340− => HasClient t m (QueryParams sym a :> sublayout) where
419+instance (KnownSymbol sym, ToHttpApiData a, HasClient t m sublayout tag, Reflex t)
420+ => HasClient t m (QueryParams sym a :> sublayout) tag where
341421
342− type Client t m (QueryParams sym a :> sublayout) =
343− Dynamic t [a] -> Client t m sublayout
422+ type Client t m (QueryParams sym a :> sublayout) tag =
423+ Dynamic t [a] -> Client t m sublayout tag
344424
345− clientWithRoute Proxy q req baseurl paramlist =
346− clientWithRoute (Proxy :: Proxy sublayout) q req' baseurl
425+ clientWithRouteAndResultHandler Proxy q t req baseurl opts wrap paramlist =
426+ clientWithRouteAndResultHandler (Proxy :: Proxy sublayout) q t req' baseurl opts wrap
347427
348428 where req' = req { qParams = (T.pack pname, params') : qParams req }
349429 pname = symbolVal (Proxy :: Proxy sym)
350− params' = QueryPartParams $ (fmap . fmap) (toQueryParam)
430+ params' = QueryPartParams $ (fmap . fmap) toQueryParam
351431 paramlist
352432
353433
@@ -376,14 +456,14 @@ instance (KnownSymbol sym, ToHttpApiData a, HasClient t m sublayout, Reflex t)
376456-- > -- 'getBooksBy True' to only get _already published_ books
377457
378458-- TODO Bring back
379−instance (KnownSymbol sym, HasClient t m sublayout, Reflex t)
380− => HasClient t m (QueryFlag sym :> sublayout) where
459+instance (KnownSymbol sym, HasClient t m sublayout tag, Reflex t)
460+ => HasClient t m (QueryFlag sym :> sublayout) tag where
381461
382− type Client t m (QueryFlag sym :> sublayout) =
383− Dynamic t Bool -> Client t m sublayout
462+ type Client t m (QueryFlag sym :> sublayout) tag =
463+ Dynamic t Bool -> Client t m sublayout tag
384464
385− clientWithRoute Proxy q req baseurl flag =
386− clientWithRoute (Proxy :: Proxy sublayout) q req' baseurl
465+ clientWithRouteAndResultHandler Proxy q t req baseurl opts wrap flag =
466+ clientWithRouteAndResultHandler (Proxy :: Proxy sublayout) q t req' baseurl opts wrap
387467
388468 where req' = req { qParams = thisPair : qParams req }
389469 thisPair = (T.pack pName, QueryPartFlag flag) :: (Text, QueryPart t)
@@ -391,36 +471,27 @@ instance (KnownSymbol sym, HasClient t m sublayout, Reflex t)
391471
392472
393473
394−-- | Pick a 'Method' and specify where the server you want to query is. You get
395−-- back the full `Response`.
396−-- TODO redo
397−instance SupportsServantReflex t m => HasClient t m Raw where
398− type Client t m Raw = Dynamic t (Either Text (XhrRequest ()))
399− -> Event t ()
400− -> m (Event t (ReqResult ()))
474+-- | Send a raw 'XhrRequest ()' directly to 'baseurl'
475+instance SupportsServantReflex t m => HasClient t m Raw tag where
476+ type Client t m Raw tag = Dynamic t (Either Text (XhrRequest ()))
477+ -> Event t tag
478+ -> m (Event t (ReqResult tag ()))
401479
402− -- clientWithRoute :: Proxy Raw -> Proxy m -> Req -> BaseUrl -> Client t m Raw
403− clientWithRoute _ _ _ baseurl xhrs triggers = do
404− let xhrs' = liftA2 (\x path -> case x of
405− Left e -> Left e
406− Right jx -> Right $ jx {_xhrRequest_url = path
407− <> _xhrRequest_url jx})
408− xhrs
409− (showBaseUrl <$> baseurl)
410− reqs = tagPromptlyDyn xhrs' triggers
411− okReq = fmapMaybe hush reqs
412− badReq = fmapMaybe tattle reqs
413− resps <- performRequestAsync okReq
414− return $ leftmost [fmap (ResponseSuccess () ) resps
415− ,fmap RequestFailure badReq]
480+ clientWithRouteAndResultHandler _ _ _ _ baseurl _ wrap xhrs triggers = do
416481
482+ let xhrs' = liftA2 (\x path -> case x of
483+ Left e -> Left e
484+ Right jx -> Right $ jx { _xhrRequest_url = path <> _xhrRequest_url jx }
485+ ) xhrs (showBaseUrl <$> baseurl)
486+ xhrs'' = attachPromptlyDynWith (flip (,)) xhrs' triggers :: Event t (tag, Either Text (XhrRequest ()))
487+ badReq = fmapMaybe (\(t,x) -> either (Just . (t,)) (const Nothing) x) xhrs'' :: Event t (tag, Text)
488+ okReq = fmapMaybe (\(t,x) -> either (const Nothing) (Just . (t,)) x) xhrs'' :: Event t (tag, XhrRequest ())
417489
490+ resps <- performRequestsAsync okReq
491+ wrap $ leftmost [ uncurry RequestFailure <$> badReq
492+ , evalResponse (const $ Right ()) <$> resps
493+ ]
418494
419−hush :: Either e a -> Maybe a
420−hush = either (const Nothing) Just
421−
422−tattle :: Either e a -> Maybe e
423−tattle = either Just (const Nothing)
424495
425496-- | If you use a 'ReqBody' in one of your endpoints in your API,
426497-- the corresponding querying function will automatically take
@@ -442,14 +513,14 @@ tattle = either Just (const Nothing)
442513-- > where host = BaseUrl Http "localhost" 8080
443514-- > -- then you can just use "addBook" to query that endpoint
444515
445−instance (MimeRender ct a, HasClient t m sublayout, Reflex t)
446− => HasClient t m (ReqBody (ct ': cts) a :> sublayout) where
516+instance (MimeRender ct a, HasClient t m sublayout tag, Reflex t)
517+ => HasClient t m (ReqBody (ct ': cts) a :> sublayout) tag where
447518
448− type Client t m (ReqBody (ct ': cts) a :> sublayout) =
449− Dynamic t (Either Text a) -> Client t m sublayout
519+ type Client t m (ReqBody (ct ': cts) a :> sublayout) tag =
520+ Dynamic t (Either Text a) -> Client t m sublayout tag
450521
451− clientWithRoute Proxy q req baseurl body =
452− clientWithRoute (Proxy :: Proxy sublayout) q req' baseurl
522+ clientWithRouteAndResultHandler Proxy q t req baseurl opts wrap body =
523+ clientWithRouteAndResultHandler (Proxy :: Proxy sublayout) q t req' baseurl opts wrap
453524 where req' = req { reqBody = bodyBytesCT }
454525 ctProxy = Proxy :: Proxy ct
455526 ctString = T.pack $ show $ contentType ctProxy
@@ -460,47 +531,46 @@ instance (MimeRender ct a, HasClient t m sublayout, Reflex t)
460531
461532
462533-- | Make the querying function append @path@ to the request path.
463−instance (KnownSymbol path, HasClient t m sublayout, Reflex t) => HasClient t m (path :> sublayout) where
464− type Client t m (path :> sublayout) = Client t m sublayout
534+instance (KnownSymbol path, HasClient t m sublayout tag, Reflex t) => HasClient t m (path :> sublayout) tag where
535+ type Client t m (path :> sublayout) tag = Client t m sublayout tag
465536
466− clientWithRoute Proxy q req baseurl =
467− clientWithRoute (Proxy :: Proxy sublayout) q
468− (prependToPathParts (pure (Right $ T.pack p)) req)
469− baseurl
537+ clientWithRouteAndResultHandler Proxy q t req baseurl opts wrap =
538+ clientWithRouteAndResultHandler (Proxy :: Proxy sublayout) q t
539+ (prependToPathParts (pure (Right $ T.pack p)) req) baseurl opts wrap
470540
471541 where p = symbolVal (Proxy :: Proxy path)
472542
473543
474−instance HasClient t m api => HasClient t m (Vault :> api) where
475− type Client t m (Vault :> api) = Client t m api
544+instance HasClient t m api tag => HasClient t m (Vault :> api) tag where
545+ type Client t m (Vault :> api) tag = Client t m api tag
476546
477− clientWithRoute Proxy q req baseurl =
478− clientWithRoute (Proxy :: Proxy api) q req baseurl
547+ clientWithRouteAndResultHandler Proxy =
548+ clientWithRouteAndResultHandler (Proxy :: Proxy api)
479549
480550
481−instance HasClient t m api => HasClient t m (RemoteHost :> api) where
482− type Client t m (RemoteHost :> api) = Client t m api
551+instance HasClient t m api tag => HasClient t m (RemoteHost :> api) tag where
552+ type Client t m (RemoteHost :> api) tag = Client t m api tag
483553
484− clientWithRoute Proxy q req baseurl =
485− clientWithRoute (Proxy :: Proxy api) q req baseurl
554+ clientWithRouteAndResultHandler Proxy =
555+ clientWithRouteAndResultHandler (Proxy :: Proxy api)
486556
487557
488558
489−instance HasClient t m api => HasClient t m (IsSecure :> api) where
490− type Client t m (IsSecure :> api) = Client t m api
559+instance HasClient t m api tag => HasClient t m (IsSecure :> api) tag where
560+ type Client t m (IsSecure :> api) tag = Client t m api tag
491561
492− clientWithRoute Proxy q req baseurl =
493− clientWithRoute (Proxy :: Proxy api) q req baseurl
562+ clientWithRouteAndResultHandler Proxy =
563+ clientWithRouteAndResultHandler (Proxy :: Proxy api)
494564
495565
496−instance (HasClient t m api, Reflex t)
497− => HasClient t m (BasicAuth realm usr :> api) where
566+instance (HasClient t m api tag, Reflex t)
567+ => HasClient t m (BasicAuth realm usr :> api) tag where
498568
499− type Client t m (BasicAuth realm usr :> api) = Dynamic t (Maybe BasicAuthData)
500− -> Client t m api
569+ type Client t m (BasicAuth realm usr :> api) tag = Dynamic t (Maybe BasicAuthData)
570+ -> Client t m api tag
501571
502− clientWithRoute Proxy q req baseurl authdata =
503− clientWithRoute (Proxy :: Proxy api) q req' baseurl
572+ clientWithRouteAndResultHandler Proxy q t req baseurl opts wrap authdata =
573+ clientWithRouteAndResultHandler (Proxy :: Proxy api) q t req' baseurl opts wrap
504574 where
505575 req' = req { authData = Just authdata }
506576
@@ -526,3 +596,29 @@ non-empty lists, but is otherwise more specific, no instance will be overall
526596more specific. This in turn generally means adding yet another instance (one
527597for empty and one for non-empty lists).
528598-}
599+
600+
601+-- SUPPORT FOR servant-auth --
602+
603+-- For JavaScript clients we should be sending/storing JSON web tokens in a
604+-- way that is inaccessible to JavaScript.
605+--
606+-- For @servant-auth@ this is done with HTTP-only cookies. In a Reflex-DOM
607+-- app this means the @servant-auth@ client should only verify that the API
608+-- supports Cookie-based authentication but do nothing with the token
609+-- directly.
610+
611+-- @HasCookieAuth auths@ is nominally a redundant constraint, but ensures
612+-- we're not trying to rely on cookies when the API does not use them.
613+instance (HasCookieAuth auths, HasClient t m api tag) => HasClient t m (Auth.Auth auths a :> api) tag where
614+
615+ type Client t m (Auth.Auth auths a :> api) tag = Client t m api tag
616+ clientWithRouteAndResultHandler Proxy = clientWithRouteAndResultHandler (Proxy :: Proxy api)
617+
618+
619+type family HasCookieAuth xs :: Constraint where
620+ HasCookieAuth (Auth.Cookie ': xs) = ()
621+ HasCookieAuth (x ': xs) = HasCookieAuth xs
622+ HasCookieAuth '[] = CookieAuthNotEnabled
623+
624+class CookieAuthNotEnabled