some fixes

app/Commands/EDT.hs

@@ -39,25 +39,36 @@ getEdt conf@Config {..} opts = do
         (HTTP.getResponseBody cal_req)
   dates <- readDate date
   tz    <- DT.getTimeZone $ DT.UTCTime (head dates) $ DT.secondsToDiffTime 43200
-  let message = case cal of
-        Left _ -> "I don't know this group, alternatively ADE doesn't work"
-        Right (vcal@IT.VCalendar { IT.vcEvents = evm } : _, _) ->
-          TS.unlines
-            . map
-                (\d -> if not (null (ev d))
-                  then
-                    "**"
-                    `TS.append` TS.pack (show d)
-                    `TS.append` "**\n"
-                    `TS.append` renderEvents tz (ev d)
-                  else "No classes for the selected dates"
-                )
-            $ dates
-         where
-          ev :: DT.Day -> [IT.VEvent]
-          ev d =
-            sortOn IT.veDTStart . filter (inDate d) . map snd . Map.toList $ evm
-        _ -> "An unexpected error has occured"
+  let
+    message =
+      case
+          (case cal of
+            Left _ -> "I don't know this group, alternatively ADE doesn't work"
+            Right (vcal@IT.VCalendar { IT.vcEvents = evm } : _, _) ->
+              TS.unlines
+                . map
+                    (\d -> if not (null (ev d))
+                      then
+                        "**"
+                        `TS.append` TS.pack (show d)
+                        `TS.append` "**\n"
+                        `TS.append` renderEvents tz (ev d)
+                      else ""
+                    )
+                $ dates
+             where
+              ev :: DT.Day -> [IT.VEvent]
+              ev d =
+                sortOn IT.veDTStart
+                  . filter (inDate d)
+                  . map snd
+                  . Map.toList
+                  $ evm
+            _ -> "An unexpected error has occured"
+          )
+        of
+          "" -> "No classes for the selected period"
+          s  -> s
   return message
  where
   group :: TS.Text

app/Commands/Reminds.hs

@@ -53,14 +53,14 @@ scheduleRemind :: E.EventSystem -> Remind -> DiscordHandler ()
 scheduleRemind ev Remind {..} = do
     void $ withRunInIO $ \runInIo ->
         E.addEvent ev rmdDatetime
-            $          void
-            $          runInIo
-            $          restCall
-            $          CreateMessage rmdChannel
-            $          "<@"
-            `T.append` T.pack (show rmdUser)
-            `T.append` "> **Reminder**\n"
-            `T.append` rmdMessage
+            $  void
+            $  runInIo
+            $  restCall
+            $  CreateMessage rmdChannel
+            $  "<@"
+            <> T.pack (show rmdUser)
+            <> "> **Reminder**\n"
+            <> rmdMessage
 
 registerRemind :: Remind -> IO ()
 registerRemind Remind {..} = do

app/Main.hs

@@ -168,14 +168,14 @@ pushgroupedt conf@Config {..} day glist = do
     (\(gn, Group { groupChannel = gc }) -> do
       edt <- liftIO $ getEdt conf $ Map.fromList [("group", gn), ("day", day)]
       liftIO
-        $          TIO.putStrLn
-        $          "Putting out time table for group "
-        `T.append` gn
-        `T.append` " in "
-        `T.append` T.pack (show gc)
-        `T.append` ":\n"
-        `T.append` edt
-      restCall $ R.CreateMessage gc (edt `T.append` "\nAutomatic time table")
+        $  TIO.putStrLn
+        $  "Putting out time table for group "
+        <> gn
+        <> " in "
+        <> T.pack (show gc)
+        <> ":\n"
+        <> edt
+      restCall $ R.CreateMessage gc edt
       return ()
     )
     glist

stack.yaml

@@ -7,7 +7,7 @@ extra-deps:
   - emoji-0.1.0.2
   - iCalendar-0.4.0.5
   - mime-0.4.0.2
-  - discord-haskell-1.12.1
+  - discord-haskell-1.12.5
   - control-event-1.3
   - HDBC-sqlite3-2.3.3.1
 ## My fork of discord-haskell to PR bug fixes and have them before merge