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Merge pull request #132 from haskell-servant/fix-129-queryparam-link

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Tweak the HasLink instance for QueryParam, fixes #129
This commit is contained in:
Alp Mestanogullari 2015-06-19 22:16:34 +01:00
commit 7399f30cc4
2 changed files with 10 additions and 10 deletions
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16
servant/src/Servant/Utils/Links.hs
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@ -49,7 +49,7 @@
-- or without those:
--
-- >>> let with = Proxy :: Proxy ("bye" :> QueryParam "name" String :> Delete '[JSON] ())
-- >>> print $ safeLink api with "Hubert"
-- >>> print $ safeLink api with (Just "Hubert")
-- bye?name=Hubert
--
-- >>> let without = Proxy :: Proxy ("bye" :> Delete '[JSON] ())
@ -273,10 +273,10 @@ instance (KnownSymbol sym, HasLink sub) => HasLink (sym :> sub) where
-- QueryParam instances
instance (KnownSymbol sym, ToText v, HasLink sub)
=> HasLink (QueryParam sym v :> sub) where
type MkLink (QueryParam sym v :> sub) = v -> MkLink sub
toLink _ l v =
toLink (Proxy :: Proxy sub)
(addQueryParam (SingleParam k (toText v)) l)
type MkLink (QueryParam sym v :> sub) = Maybe v -> MkLink sub
toLink _ l mv =
toLink (Proxy :: Proxy sub) $
maybe id (addQueryParam . SingleParam k . toText) mv l
where
k :: String
k = symbolVal (Proxy :: Proxy sym)
@ -303,10 +303,10 @@ instance (KnownSymbol sym, HasLink sub)
-- MatrixParam instances
instance (KnownSymbol sym, ToText v, HasLink sub)
=> HasLink (MatrixParam sym v :> sub) where
type MkLink (MatrixParam sym v :> sub) = v -> MkLink sub
toLink _ l v =
type MkLink (MatrixParam sym v :> sub) = Maybe v -> MkLink sub
toLink _ l mv =
toLink (Proxy :: Proxy sub) $
addMatrixParam (SingleParam k (toText v)) l
maybe id (addMatrixParam . SingleParam k . toText) mv l
where
k = symbolVal (Proxy :: Proxy sym)

4
servant/test/Servant/Utils/LinksSpec.hs
View file

@ -61,13 +61,13 @@ spec = describe "Servant.Utils.Links" $ do
let l2 = Proxy :: Proxy ("hello" :> Capture "name" String
:> QueryParam "capital" Bool
:> Delete '[JSON] ())
apiLink l2 "bye" True `shouldBeURI` "hello/bye?capital=true"
apiLink l2 "bye" (Just True) `shouldBeURI` "hello/bye?capital=true"
let l3 = Proxy :: Proxy ("parent" :> MatrixParams "name" String
:> "child"
:> MatrixParam "gender" String
:> Get '[JSON] String)
apiLink l3 ["Hubert?x=;&", "Cumberdale"] "Edward?"
apiLink l3 ["Hubert?x=;&", "Cumberdale"] (Just "Edward?")
`shouldBeURI` "parent;name[]=Hubert%3Fx%3D%3B%26;\
\name[]=Cumberdale/child;gender=Edward%3F"