1 files changed, 41 insertions, 0 deletions
diff --git a/src/Data/Journal.hs b/src/Data/Journal.hs
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+++ b/src/Data/Journal.hs
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+module Data.Journal
+    ( Journal (..)
+    , Journal_
+    , journalHtml
+    ) where
+
+import Prolog
+import Network.URI
+import Data.Aeson
+import Data.Alias
+import Data.Set qualified as S
+import Text.Blaze
+import Text.Blaze.Html
+
+import Data.Linked
+
+data Journal a = Journal
+    { title :: !a
+    , shortTitle :: !(Maybe a)
+    , link :: !(Maybe URI)
+    } deriving (Eq, Foldable, Functor, Generic, Ord, Show, Traversable)
+
+instance Binary a => Binary (Journal a)
+
+type Journal_ = Journal StrictText
+
+journalHtml :: (ToMarkup a) => Journal a -> Html
+journalHtml (Journal t st l) = linkedHtml $ Linked (maybe t id st) l (t <$ st)
+
+
+instance Ord a => ToAliases (Journal a) a where
+    toAliases (Journal t st _) = S.fromList $ t : toList st
+
+instance FromAlias a (Journal a) where
+    fromAlias t = pure $ Journal t Nothing Nothing
+
+instance FromJSON a => FromJSON (Journal a) where
+    parseJSON = withObject "Journal" $ \v -> Journal
+        <$> v .: "title"
+        <*> v .:? "short" .!= Nothing
+        <*> v .:? "link" .!= Nothing