switch to ghc 9.0.2

this makes the nix builds /much/ nicer

1 files changed, 45 insertions, 0 deletions

diff --git a/lib/Yesod/Orphans.hs b/lib/Yesod/Orphans.hs
new file mode 100644
index 0000000..f66f8af
--- /dev/null
+++ b/lib/Yesod/Orphans.hs
@@ -0,0 +1,45 @@
+-- | a module containing orphan shakespeare instances to make writing templates
+-- a bit more fun & less of a hassle.
+module Yesod.Orphans where
+
+import           Data.Text                (Text)
+import qualified Data.Text                as T
+import           Data.Time                (UTCTime)
+import           Data.Time.Calendar       (Day)
+import           Data.Time.Format.ISO8601 (iso8601Show)
+import           Data.UUID                (UUID)
+import qualified Data.UUID                as UUID
+import           Fmt                      ((+|), (|+))
+import           GTFS
+import           Persist
+import           Text.Blaze.Html          (ToMarkup (..))
+import           Text.Shakespeare.Text
+import           Yesod
+
+--- some orphans to make hamlet easier to deal with
+instance ToMarkup Time where
+  toMarkup time =
+    toMarkup (show time)
+
+instance ToMarkup Day where
+  toMarkup day = toMarkup (iso8601Show day)
+
+instance ToMessage UTCTime where
+  toMessage = formatW3
+
+instance ToMessage Token where
+  toMessage (Token uuid) = UUID.toText uuid
+
+instance ToMarkup UTCTime where
+  toMarkup = toMarkup . formatW3
+
+instance ToMarkup Token where
+  toMarkup (Token uuid) = toMarkup (UUID.toText uuid)
+
+instance ToMessage Double where
+  toMessage = T.pack . show
+
+instance ToMarkup Seconds where
+  toMarkup (Seconds s) =
+    if s > 0 then toMarkup ("+"+|s `div` 60|+"" :: Text)
+    else toMarkup (s `div` 60)