From c7976168e822f59e46ceb47befccc94d39db528a Mon Sep 17 00:00:00 2001
From: Yuchen Pei <hi@ypei.me>
Date: Tue, 31 May 2022 12:34:35 +1000
Subject: Adding support to multiple maildirs

---
 src/F2Md/Config.hs | 35 +++++++++++++++++++++--------------
 1 file changed, 21 insertions(+), 14 deletions(-)

(limited to 'src/F2Md/Config.hs')

diff --git a/src/F2Md/Config.hs b/src/F2Md/Config.hs
index c17a55f..5832981 100644
--- a/src/F2Md/Config.hs
+++ b/src/F2Md/Config.hs
@@ -23,6 +23,7 @@ License along with f2md.  If not, see <https://www.gnu.org/licenses/>.
 module F2Md.Config
   ( getUserdata
   , FeedUserdata(..)
+  , ExtConf(..)
   , updateLastUpdated
   ) where
 
@@ -50,21 +51,27 @@ data FeedUserdata = FeedUserdata
   { fuUrl :: Text
   , fuLastUpdated :: Maybe ZonedTime } deriving (Show)
 
-getUserdata :: FilePath -> IO ([FeedUserdata], Maybe FilePath, Maybe FilePath)
-getUserdata file = do
-  config <- decodeFileStrict =<< expandPath file
-  case config of
-    Nothing -> return ([], Nothing, Nothing)
-    Just config' -> do
-      feedData <- getUserdata' config'
-      maildir' <- expandPath $ maildir config'
-      dbPath' <- expandPath $ dbPath config'
-      return (feedData, Just maildir', Just dbPath')
-
-getUserdata' :: Config -> IO [FeedUserdata]
-getUserdata' (Config dbPath _ feeds) = do
+data ExtConf = ExtConf
+  { eDbPath :: FilePath
+  , eMaildir :: FilePath
+  , eFeeds :: [FeedUserdata]
+  }
+
+getUserdata :: FilePath -> IO [ExtConf]
+getUserdata confPath = do
+  configs <- decodeFileStrict =<< expandPath confPath
+  case configs of
+    Nothing -> return []
+    Just configs' -> mapM getUserdata' configs'
+
+getUserdata' :: Config -> IO ExtConf
+getUserdata' (Config dbPath maildir feeds) = do
   decoded <- getLastUpdatedMap dbPath
-  return $ map (\url -> FeedUserdata url $ HM.lookup url decoded) feeds
+  dbPath' <- expandPath dbPath
+  maildir' <- expandPath maildir
+  return $
+    ExtConf dbPath' maildir'
+    (map (\url -> FeedUserdata url $ HM.lookup url decoded) feeds)
 
 getLastUpdatedMap :: FilePath -> IO (HM.HashMap Text ZonedTime)
 getLastUpdatedMap dbPath = do
-- 
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