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{-# LANGUAGE OverloadedStrings #-}
import Control.Monad (when)
import Control.Monad.Trans.Either (runEitherT, left, right)
import Control.Monad.Writer (execWriter, tell, Writer)
import Data.Yaml
import Data.Maybe
import qualified Data.Map as Map
import Data.Text (Text)
import qualified Data.Text as T
import qualified Data.Text.IO as TIO
import Data.Time.Calendar
import Data.Time.Clock
import Data.Time.Format
import System.Locale (defaultTimeLocale)
-- mix code and data
validassignees :: [Text]
validassignees = [
"clint"
, "eben"
, "jdbean"
, "mishi"
, "mjones"
, "sullivan"
, "tanisha"
, "jsavitt"
, "emorales"
]
data Page = Page {
_assignee :: Maybe Text
, _status :: Maybe Text
, _clientname :: Maybe Text
, _filename :: Maybe Text -- should be ByteString?
, _date :: Maybe Text
, _pageAddress :: Maybe Text
, _activityTitle :: Maybe Text
, _others :: [Text]
}
toPage :: Map.Map Text Text -> Page
toPage ymap = Page user status client filename date pageaddr actitle weirds
where
user = Map.lookup "AssignedTo" ymap
status = Map.lookup "Status" ymap
client = Map.lookup "ClientName" ymap
filename = Map.lookup "filename" ymap
date = Map.lookup "Date" ymap
pageaddr = Map.lookup "PageAddress" ymap
actitle = Map.lookup "ActivityTitle" ymap
weirds = Map.keys . Map.filter (not . (`elem` ["AssignedTo", "Status", "ClientName", "filename", "Date", "PageAddress", "ActivityTitle"])) $ ymap
vetPage :: Page -> Writer [Text] ()
vetPage (Page muser mstatus mclient mfilename mdate mpageaddr mactitle weirds) = (runEitherT $ do
fn <- maybe (tell ["YAML block missing filename; this is seriously broken"] >> left ()) right mfilename
case (muser, mstatus `elem` [Just "Due", Just "open"]) of
(Nothing,True) -> tell ["No assignee for active page " `T.append` fn]
(Just u,True) -> if u `elem` validassignees then return () else tell ["Unknown assignee (" `T.append` u `T.append` ") for active page " `T.append` fn]
_ -> return ()
status <- maybe (tell ["Missing status for " `T.append` fn] >> left ()) right mstatus
let clientdepth = case ("Client/" `T.isPrefixOf` fn, T.count "/" fn) of
(False, _) -> 0
(True, x) -> x
when (not (status `elem` ["Due", "open", "closed"]) && clientdepth == 1) (tell [T.concat ["Unknown status (", status, ") for client page ", fn]])
when (not (status `elem` ["Due", "open", "closed", "waiting"]) && clientdepth > 1) (tell [T.concat ["Unknown status (", status, ") for client matter page ", fn]])
maybe (tell ["Missing date for " `T.append` fn]) (\x -> if dateParse x == UTCTime (fromGregorian 0 1 1) (secondsToDiffTime 0) && status `elem` ["Due", "open"] then tell [T.concat ["Bad date (", x, ") for active page ", fn]] else return ()) mdate
return () -- datecheck here
return () -- duplicate client name NOT here
) >> return ()
dateParse :: Text -> UTCTime
dateParse x = fromMaybe (UTCTime (fromGregorian 0 1 1) (secondsToDiffTime 0)) $ parseTime defaultTimeLocale "%Y-%m-%d" (T.unpack x)
dateConv :: Map.Map Text Text -> UTCTime
dateConv ymap = dateParse (fromMaybe "1900-01-01" (Map.lookup "Date" ymap))
main :: IO ()
main = do
yamlcache <- decodeFile "/home/report/tmp/yamlcache.yaml"
let ymap = fromJust yamlcache -- fix that
ws = execWriter (mapM_ (vetPage . toPage) ymap)
TIO.putStr $ T.unlines ws
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