From a0886694f73fc382d78da79ab8bfb27475757bab Mon Sep 17 00:00:00 2001
From: adambrangenberg <adabran06@gmail.com>
Date: Wed, 24 Dec 2025 03:40:10 +0100
Subject: Implemented basic auth, refactor

---
 src/Endpoints/ProfileEndpoint.hs | 44 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 src/Endpoints/ProfileEndpoint.hs

(limited to 'src/Endpoints/ProfileEndpoint.hs')

diff --git a/src/Endpoints/ProfileEndpoint.hs b/src/Endpoints/ProfileEndpoint.hs
new file mode 100644
index 0000000..8aaaa52
--- /dev/null
+++ b/src/Endpoints/ProfileEndpoint.hs
@@ -0,0 +1,44 @@
+{-# LANGUAGE DataKinds #-}
+{-# LANGUAGE TypeOperators #-}
+{-# LANGUAGE OverloadedStrings #-}
+
+module Endpoints.ProfileEndpoint (ProfileAPI, profileServer) where
+
+import Servant
+import Data.Aeson
+import Data.Text (Text, pack)
+import qualified Data.Text as T
+import Database.Persist
+import Database (runDb)
+import Control.Monad.IO.Class (liftIO)
+
+import Data.User (User(..), Unique(UniqueName))
+import Model.Profile
+import Model.MatrixErrorResponse
+
+----------------------------------------------------------------------------------------------------
+type ProfileAPI = GetProfile
+
+profileServer :: Server ProfileAPI
+profileServer = handleProfileGet
+
+--- GET /_matrix/client/v3/profile/{userId} --------------------------------------------------------
+type GetProfile = "_matrix" :> "client" :> "v3" :> "profile" :> Capture "userId" Text
+                :> Get '[JSON] ProfileResponse
+
+handleProfileGet :: Text -> Handler ProfileResponse
+handleProfileGet user_id = do
+  let username = T.takeWhile (/= ':') $ T.drop 1 user_id
+  maybe_user <- liftIO $ runDb $ getBy $ UniqueName username
+
+  case maybe_user of
+    Just (Entity _ db_user) ->
+      return $ ProfileResponse
+        { display_name = (userDisplayName db_user) <> (Just $ userIdent $ db_user)
+        , avatar_url   = userAvatarUrl db_user
+        , tz           = Nothing
+        }
+    Nothing ->
+      throwError err404 { errBody = encode user_not_found_error }
+  where
+    user_not_found_error = (MatrixErrorResponse (pack "M_NOT_FOUND") (pack "Profile not found"))
\ No newline at end of file
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