tea-cleaner: Configure word lists

tea-cleaner/TeaCleaner/Configuration.hs

@@ -26,35 +26,44 @@ import Options.Applicative
 import Text.URI (URI)
 import qualified Text.URI as URI
 import Data.Time (UTCTime(..), getCurrentTime)
+import Data.IORef (IORef, newIORef)
 
 data ConfigFile = ConfigFile
     { token :: StrictText
     , server :: StrictText
+    , spamWords :: [StrictText]
+    , mailDomains :: [StrictText]
     } deriving (Eq, Show)
 
 configFileCodec :: Toml.TomlCodec ConfigFile
 configFileCodec = ConfigFile
     <$> Toml.text "token" .= getField @"token"
     <*> Toml.text "server" .= getField @"server"
+    <*> Toml.arrayOf Toml._Text "spam_words" .= getField @"spamWords"
+    <*> Toml.arrayOf Toml._Text "mail_domains" .= getField @"mailDomains"
 
 data Settings = Settings
     { token :: StrictText
     , server :: URI
     , now :: UTCTime
-    } deriving (Eq, Show)
+    , spamWords :: [StrictText]
+    , mailDomains :: [StrictText]
+    , statistics :: IORef Int
+    } deriving Eq
 
 decodeSettingsFile :: FilePath -> IO Settings
-decodeSettingsFile configPath = Toml.decodeFile configFileCodec configPath
-    >>= withConfiguration
-  where
-    withConfiguration configFile@ConfigFile{ server } = URI.mkURI server
-        >>= withServer configFile
-    withServer configFile parsedServer = getCurrentTime
-        >>= withTime configFile parsedServer
-    withTime ConfigFile{..} parsedServer now = pure $ Settings
+decodeSettingsFile configPath = do
+    ConfigFile{..} <- Toml.decodeFile configFileCodec configPath
+    parsedServer <- URI.mkURI server
+    now <- getCurrentTime
+    ioRef <- newIORef 0
+    pure $ Settings
         { token = token
         , server = parsedServer
         , now = now
+        , spamWords = spamWords
+        , mailDomains = mailDomains
+        , statistics = ioRef
         }
 
 newtype ProgramOptions = ProgramOptions