Vervis/src/Yesod/FedURI.hs

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{- This file is part of Vervis.
-
- Written 2019 by fr33domlover <fr33domlover@riseup.net>.
-
- Copying is an act of love. Please copy, reuse and share.
-
- The author(s) have dedicated all copyright and related and neighboring
- rights to this software to the public domain worldwide. This software is
- distributed without any warranty.
-
- You should have received a copy of the CC0 Public Domain Dedication along
- with this software. If not, see
- <http://creativecommons.org/publicdomain/zero/1.0/>.
-}
module Yesod.FedURI
( SiteFedURI (..)
, getEncodeRouteLocal
, getEncodeRouteHome
, getEncodeRouteFed
, decodeRouteLocal
, getEncodeRoutePageLocal
, getEncodeRoutePageHome
, getEncodeRoutePageFed
)
where
import Data.Text.Encoding
import Network.HTTP.Types.URI
import Yesod.Core
import qualified Data.Text as T
import Network.FedURI
import Yesod.MonadSite
import Yesod.Paginate.Local
class UriMode (SiteFedURIMode site) => SiteFedURI site where
type SiteFedURIMode site
getEncodeRouteHome
:: (MonadSite m, SiteEnv m ~ site, SiteFedURI site)
=> m (Route site -> ObjURI (SiteFedURIMode site))
getEncodeRouteHome = toFed <$> askUrlRender
where
toFed renderUrl route =
case parseObjURI $ renderUrl route of
Left e -> error $ "askUrlRender produced invalid ObjURI: " ++ e
Right u -> u
getEncodeRouteLocal
:: (MonadSite m, SiteEnv m ~ site, SiteFedURI site)
=> m (Route site -> LocalURI)
getEncodeRouteLocal = (objUriLocal .) <$> getEncodeRouteHome
getEncodeRouteFed
:: ( MonadSite m
, SiteEnv m ~ site
, SiteFedURI site
, SiteFedURIMode site ~ u
)
=> m (Authority u -> Route site -> ObjURI u)
getEncodeRouteFed = (\ f a -> ObjURI a . f) <$> getEncodeRouteLocal
decodeRouteLocal :: ParseRoute site => LocalURI -> Maybe (Route site)
decodeRouteLocal =
parseRoute . (,[]) . decodePathSegments . encodeUtf8 . localUriPath
getEncodeRoutePageLocal
:: (MonadSite m, SiteEnv m ~ site, SiteFedURI site, YesodPaginate site)
=> m (Route site -> Int -> LocalPageURI)
getEncodeRoutePageLocal =
(\ f r n -> pageUriLocal $ f r n) <$> getEncodeRoutePageHome
getEncodeRoutePageHome
:: (MonadSite m, SiteEnv m ~ site, SiteFedURI site, YesodPaginate site)
=> m (Route site -> Int -> PageURI (SiteFedURIMode site))
getEncodeRoutePageHome = do
encodeRouteHome <- getEncodeRouteHome
param <- asksSite sitePageParamName
return $ \ route page ->
let ObjURI a l = encodeRouteHome route
in PageURI a $ LocalPageURI l param page
getEncodeRoutePageFed
:: ( MonadSite m
, SiteEnv m ~ site
, SiteFedURI site
, YesodPaginate site
, SiteFedURIMode site ~ u
)
=> m (Authority u -> Route site -> Int -> PageURI u)
getEncodeRoutePageFed =
(\ f a r n -> PageURI a $ f r n) <$> getEncodeRoutePageLocal