1 files changed, 18 insertions, 0 deletions
diff --git a/src/Daemon.hs b/src/Daemon.hs
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index 0000000..1351ad5
--- /dev/null
+++ b/src/Daemon.hs
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+module Daemon
+  ( runDaemon
+  ) where
+
+import Control.Concurrent (threadDelay)
+import Control.Monad (forever)
+
+import Daemon.Frequency
+
+runDaemon :: Frequency -> (() -> IO ()) -> IO ()
+runDaemon frequency process =
+  forever $ do
+    process ()
+    threadDelay (sleepDelayMs frequency)
+
+sleepDelayMs :: Frequency -> Int
+sleepDelayMs Hourly = 1000000 * 60 * 60
+sleepDelayMs Daily = (sleepDelayMs Hourly) * 24