94 lines
3.6 KiB
Nix
94 lines
3.6 KiB
Nix
{ lib, pkgs, config, ... }: {
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home.file = let
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functions = ''
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printMap :: HashMap Text (These Value Value) -> String
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printMap = intercalate "\n" . fmap printPair . filter filterPairs . HM.toList
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filterPairs = \(k,_) -> k `notElem` ["uuid","entry","modified"]
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printPair = \(k,v) -> case v of
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This old -> [i|#{k}: -#{printValue old}|]
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That new -> [i|#{k}: +#{printValue new}|]
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These old new -> printDiff k old new
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printDiff :: Text -> Value -> Value -> String
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printDiff k (Array before) (Array after) = let
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old = (V.toList before) List.\\ (V.toList after)
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new = (V.toList after) List.\\ (V.toList before)
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in
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[i|#{k}: #{intercalate ", " ((('-':) . printValue <$> old) ++ (('+':) . printValue <$> new))}|]
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printDiff k old new = [i|#{k}: +#{printValue new} -#{printValue old}|]
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printValue = \case
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String (toString -> a) -> if | Just (d :: UTCTime) <- parseTimeM False defaultTimeLocale "%Y%m%dT%H%M%SZ" a -> show d
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| otherwise -> a
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Number a -> show a
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Array (fmap printValue -> a) -> intercalate "\n" (toList a)
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Object a -> show $ toList a
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Bool a -> show a
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Null -> "null"
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'';
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inherit (pkgs) writeHaskellScript;
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imports = [
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"DBus.Notify"
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"DBus.Client (clientErrorMessage)"
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"System.IO"
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"Data.Aeson"
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"Control.Monad"
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"Data.These"
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"qualified Data.HashMap.Strict as HM"
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"Data.Time"
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"qualified Data.Vector as V"
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"qualified Data.List as List"
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];
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on-modify = writeHaskellScript {
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name = "on-modify";
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inherit imports;
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} ''
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${functions}
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main = do
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input1 <- BS.hGetLine stdin
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input2 <- BS.hGetLine stdin
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let description = do
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Object task1 <- decode $ toLazy input1 :: Maybe Value
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Object task2 <- decode $ toLazy input2 :: Maybe Value
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let diff = HM.unions [
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fmap This (HM.difference task1 task2),
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fmap That (HM.difference task2 task1),
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(HM.mapMaybe (\x->x) $ HM.intersectionWith (\old new -> if old /= new then Just $ These old new else Nothing) task1 task2)
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]
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String description2 <- HM.lookup "description" task2
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pure (description2, printMap diff)
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Control.Monad.forM_ description $ \(d,b) -> do
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client <- try connectSession
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either
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(BS.hPut stderr . encodeUtf8 . (++ "\n") . clientErrorMessage)
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(\c -> void $ notify c blankNote { summary = [i|Modified task #{d}|], body = Just $ Text b, expiry = Milliseconds 15000 })
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client
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BS.hPut stdout input2
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'';
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on-add = writeHaskellScript {
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name = "on-add";
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inherit imports;
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} ''
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${functions}
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main = do
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input <- BS.hGetContents stdin
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let description = do
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Object task <- decode $ toLazy input :: Maybe Value
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pure . printMap . fmap That $ task
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whenJust description $ \d -> do
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client <- try connectSession
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either
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(BS.hPut stderr . encodeUtf8 . clientErrorMessage)
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(\c -> void $ notify c blankNote { summary = "New Task", body = Just $ Text d, expiry = Milliseconds 15000 })
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client
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BS.hPut stdout input
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'';
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in {
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#"add-notification" = {
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# target = ".task/hooks/on-add.notification";
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# source = "${on-add}/bin/on-add";
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#};
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#"modify-notification" = {
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# target = ".task/hooks/on-modify.notification";
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# source = "${on-modify}/bin/on-modify";
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#};
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};
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}
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