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Diffstat (limited to 'users/Profpatsch/whatcd-resolver/src/Html.hs')
-rw-r--r-- | users/Profpatsch/whatcd-resolver/src/Html.hs | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/users/Profpatsch/whatcd-resolver/src/Html.hs b/users/Profpatsch/whatcd-resolver/src/Html.hs new file mode 100644 index 000000000000..49b87b23dc1a --- /dev/null +++ b/users/Profpatsch/whatcd-resolver/src/Html.hs @@ -0,0 +1,69 @@ +{-# LANGUAGE QuasiQuotes #-} + +module Html where + +import Data.Aeson qualified as Json +import Data.Aeson.KeyMap qualified as KeyMap +import Data.List.NonEmpty qualified as NonEmpty +import Data.Map.Strict qualified as Map +import IHP.HSX.QQ (hsx) +import PossehlAnalyticsPrelude +import Text.Blaze.Html (Html) +import Text.Blaze.Html5 qualified as Html +import Prelude hiding (span) + +-- | Render an arbitrary json value to HTML in a more-or-less reasonable fashion. +mkVal :: Json.Value -> Html +mkVal = \case + Json.Number n -> Html.toHtml @Text $ showToText n + Json.String s -> Html.toHtml @Text s + Json.Bool True -> [hsx|<em>true</em>|] + Json.Bool False -> [hsx|<em>false</em>|] + Json.Null -> [hsx|<em>null</em>|] + Json.Array arr -> toOrderedList mkVal arr + Json.Object obj -> + obj + & KeyMap.toMapText + & toDefinitionList (Html.toHtml @Text) mkVal + +toOrderedList :: (Foldable t1) => (t2 -> Html) -> t1 t2 -> Html +toOrderedList mkValFn arr = + arr + & foldMap (\el -> Html.li $ mkValFn el) + & Html.ol + +toUnorderedList :: (Foldable t1) => (t2 -> Html) -> t1 t2 -> Html +toUnorderedList mkValFn arr = + arr + & foldMap (\el -> Html.li $ mkValFn el) + & Html.ul + +-- | Render a definition list from a Map +toDefinitionList :: (Text -> Html) -> (t -> Html) -> Map Text t -> Html +toDefinitionList mkKeyFn mkValFn obj = + obj + & Map.toList + & foldMap (\(k, v) -> Html.dt (mkKeyFn k) <> Html.dd (mkValFn v)) + & Html.dl + +-- | Render a table-like structure of json values as an HTML table. +toTable :: [[(Text, Json.Value)]] -> Html +toTable xs = + case xs & nonEmpty of + Nothing -> + [hsx|<p>No results.</p>|] + Just xs' -> do + let headers = xs' & NonEmpty.head <&> fst <&> (\h -> [hsx|<th>{h}</th>|]) & mconcat + let vals = xs' & foldMap (Html.tr . foldMap (Html.td . mkVal . snd)) + [hsx| + <table class="table"> + <thead> + <tr> + {headers} + </tr> + </thead> + <tbody> + {vals} + </tbody> + </table> + |] |