chore(users/Profpatsch): clean up haskell libs a little r/6464

Change-Id: Ia9a6c5a754ca8f2912308feb5a26f5276a08d24c
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9011
Reviewed-by: Profpatsch <mail@profpatsch.de>
Autosubmit: Profpatsch <mail@profpatsch.de>
Tested-by: BuildkiteCI

1 files changed, 24 insertions, 0 deletions

diff --git a/users/Profpatsch/mailbox-org/src/AesonQQ.hs b/users/Profpatsch/mailbox-org/src/AesonQQ.hs
new file mode 100644
index 000000000000..2ac3d533aeaa
--- /dev/null
+++ b/users/Profpatsch/mailbox-org/src/AesonQQ.hs
@@ -0,0 +1,24 @@
+{-# LANGUAGE TemplateHaskellQuotes #-}
+
+module AesonQQ where
+
+import Data.Aeson qualified as Json
+import Language.Haskell.TH.Quote (QuasiQuoter)
+import PossehlAnalyticsPrelude
+import PyF qualified
+import PyF.Internal.QQ qualified as PyFConf
+
+aesonQQ :: QuasiQuoter
+aesonQQ =
+  PyF.mkFormatter
+    "aesonQQ"
+    PyF.defaultConfig
+      { PyFConf.delimiters = Just ('|', '|'),
+        PyFConf.postProcess = \exp_ -> do
+          -- TODO: this does not throw an error at compilation time if the json does not parse
+          [|
+            case Json.eitherDecodeStrict' @Json.Value $ textToBytesUtf8 $ stringToText $(exp_) of
+              Left err -> error err
+              Right a -> a
+            |]
+      }