tea-cleaner: Add command line parser

tea-cleaner/TeaCleaner/Filter.hs

@@ -0,0 +1,32 @@
+module TeaCleaner.Filter
+    ( filterByActivities
+    , filterByUserProperties
+    ) where
+
+import Data.Text (StrictText)
+import qualified Data.Text as Text
+import Data.Time (LocalTime(..), ZonedTime(..))
+import Data.Time.Calendar.OrdinalDate (fromOrdinalDate)
+import qualified Data.Vector as Vector
+import Text.URI (URI)
+import TeaCleaner.Client (Activity(..), User(..), getActivities)
+
+filterByUserProperties :: User -> Bool
+filterByUserProperties User{ created, lastLogin, description, website }
+    = zonedDay created == zonedDay lastLogin
+    && zonedDay created > fromOrdinalDate 2024 1
+    && zonedDay created < fromOrdinalDate 2025 17
+    && not (Text.null description)
+    && not (Text.null website)
+  where
+    zonedDay = localDay . zonedTimeToLocalTime
+
+filterByActivities :: URI -> StrictText -> User -> IO Bool
+filterByActivities server token user
+    = getActivities server token user
+    >>= evalActivities
+  where
+    evalActivities activities
+        | Just (Activity{ opType }, rest) <- Vector.uncons activities
+        , Vector.null rest = pure $ opType == "create_repo"
+    evalActivities _ = pure False