X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;ds=sidebyside;f=diddohs.hs;h=6884d1462cd52cb50d96fb6fc36c7b7dbf42fba4;hb=95d1857e437aa09e1161be075c654c50afd91dd8;hp=7ee35cd3dad1b4bb50236cdd69cb778f08cd6ca8;hpb=d38b5df5b924ba9d04e1b5babf28df41883465cd;p=user%2Fhenk%2Fcode%2Fhaskell%2Fdiddohs.git

diff --git a/diddohs.hs b/diddohs.hs
index 7ee35cd..6884d14 100644
--- a/diddohs.hs
+++ b/diddohs.hs
@@ -1,40 +1,114 @@
-import Control.Applicative( (<$>), (<*>), liftA, liftA2 )
-import Data.DateTime( parseDateTime, startOfTime, diffSeconds, formatDateTime )
-import Data.List( zip4, zipWith4, transpose )
-import Data.List.Split( splitOn )
-import Data.Maybe( fromJust, fromMaybe )
-import Data.Time.Clock( secondsToDiffTime )
+import Control.Applicative( (<$>) )
+import Control.Monad( unless )
+import Data.Time.Clock( UTCTime(..) )
+import Data.Time.LocalTime( TimeZone(), ZonedTime(..), zonedTimeToUTC, utcToZonedTime )
+import Diddo( Diddo(..), LogEntry(..), parseDiddoLogline, formatDiddo, logToDiddo, parseToZonedTime )
+import System.Console.GetOpt
 import System.Environment( getArgs )
-import Text.Printf( printf )
+import System.Exit( exitSuccess, exitFailure )
+import System.IO( stderr, hPutStr )
+import qualified Data.Map as Map
+import qualified Data.Text as T
+import qualified Data.Text.IO as TIO
 
-data HMSTime = HMSTime { hours :: Integer, minutes :: Integer, seconds :: Integer }
-instance Show HMSTime where
-  show (HMSTime h m s) = printf "%d:%02d:%02d" h m s
+data Opt = Opt
+    { optVerbose        :: Bool
+    , optVersion        :: Bool
+    , optHelp           :: Bool
+    , optInputFiles     :: [String]
+    , optOutputFile     :: String
+    , optInputFormat    :: String
+    , optOutputFormat   :: String
+    , optStartDate      :: String
+    , optEndDate        :: String
+    }
 
-secondsToHMS :: Integer -> HMSTime
-secondsToHMS seconds =  HMSTime h m s where
-                          (mLeft, s) = seconds `divMod` 60
-                          (h, m)     = mLeft `divMod` 60
+defaultOpts :: Opt
+defaultOpts = Opt
+    { optVerbose        = False
+    , optVersion        = False
+    , optHelp           = False
+    , optInputFiles     = []
+    , optOutputFile     = ""
+    , optInputFormat    = "%FT%T%z"
+    , optOutputFormat   = "%FT%T%z"
+    , optStartDate      = ""
+    , optEndDate        = ""
+    }
 
-data DiddoEntry = DiddoEntry {  start :: String
-                                , finish :: String
-                                , delta :: HMSTime
-                                , entry :: String
-                             }
-instance Show DiddoEntry where
-  show (DiddoEntry start finish delta entry) = printf "%s;%s;%s;%s" start finish (show delta) entry
+availableOptions :: [OptDescr (Opt -> IO Opt)]
+availableOptions =
+    [ Option ['h']    ["help"]
+        (NoArg (\ _ -> putStrLn (usageInfo "Usage: diddohs [OPTION...]" availableOptions) >> exitSuccess))
+        "Display program help"
+    , Option ['v']    ["verbose"]
+        (NoArg (\ opts -> return opts { optVerbose = True }))
+        "More detailed output"
+    , Option ['V']    ["version"]
+        (NoArg (\ opts -> return opts { optVersion = True }))
+        "Display program version"
+    , Option ['f']    ["file"]
+        (ReqArg (\ arg opts -> return opts { optInputFiles = optInputFiles opts ++ [arg]}) "FILE" )
+        "Read from FILE"
+    , Option ['w']    ["output"]
+        (ReqArg (\ arg opts -> return opts { optOutputFile = arg }) "FILE")
+        "Write to FILE"
+    , Option ['i']    ["informat"]
+        (ReqArg (\ arg opts -> return opts { optInputFormat = arg }) "FORMAT")
+        "Timeformat used in input"
+    , Option ['o']    ["outformat"]
+        (ReqArg (\ arg opts -> return opts { optOutputFormat = arg }) "FORMAT")
+        "Timeformat used in output"
+    , Option ['s']    ["start"]
+        (ReqArg (\ arg opts -> return opts { optStartDate = arg }) "DATE")
+        "Start of reporting period"
+    , Option ['e']    ["end"]
+        (ReqArg (\ arg opts -> return opts { optEndDate = arg }) "DATE")
+        "End of reporting period"
+    ]
+
+-- SECTION: Map of logentries to Map of Diddos
+logentryMapToDiddoMap :: Map.Map UTCTime Diddo.LogEntry -> Map.Map UTCTime Diddo.Diddo
+logentryMapToDiddoMap logmap = Map.mapWithKey toDddEntry logmap
+    where
+        toDddEntry key value    = Diddo.logToDiddo (precedingTimestamp key) value
+        precedingTimestamp x    = case Map.lookupLT x logmap of
+            Just (y,_)          -> y
+            Nothing             -> fst $ Map.findMin logmap
+-- SECTION: Map of logentries to Map of DiddoEntries
 
 main :: IO ()
 main = do
-  logfile_name : timestring_format : _ <- getArgs
-  logfile_lines_split <- map (splitOn ";") . lines <$> readFile logfile_name
+    -- SECTION: option processing
+    (givenOptions,args,errs) <- getArgs >>= return . getOpt Permute availableOptions
+
+    unless (null errs) $ do
+        mapM_ (hPutStr stderr) errs
+        exitFailure
+
+    effectiveOptions <- foldl (>>=) (return defaultOpts) givenOptions
+
+    let
+        inDateFmt               = optInputFormat effectiveOptions
+        outDateFmt              = optOutputFormat effectiveOptions
+
+        startDate               = parseToZonedTime inDateFmt $ optStartDate effectiveOptions
+        endDate                 = parseToZonedTime inDateFmt $ optEndDate effectiveOptions
+    -- SECTION: option processing
+
+    loglines <- case optInputFiles effectiveOptions of
+            files@(_:_)     -> T.lines . T.concat <$> mapM TIO.readFile files
+            []              -> T.lines <$> TIO.getContents
+
+    let
+        timestampLogentryMap                        = Map.fromList $ map Diddo.parseDiddoLogline loglines
+        (_, _, startedTimestampLogentryMap)         = Map.splitLookup (zonedTimeToUTC startDate) timestampLogentryMap
+        (endedTimestampLogentryMap, lastEntry, _)   = Map.splitLookup (zonedTimeToUTC endDate) startedTimestampLogentryMap
+        timestampDiddoMap                           = logentryMapToDiddoMap timestampLogentryMap
 
-  let [timestrings_finish
-        , entries
-        ]                  = transpose logfile_lines_split
-      utcTimes_finish      = map (fromMaybe (error "Input data broken.") . parseDateTime timestring_format) timestrings_finish
-      entry_deltas_HMMSS   = zipWith (\x y -> secondsToHMS $ diffSeconds x y) utcTimes_finish (startOfTime : init utcTimes_finish)
-      diddos_summarized    = zipWith4 DiddoEntry ("" : init timestrings_finish) timestrings_finish entry_deltas_HMMSS entries
+    -- DEBUG
+    mapM_ putStrLn args
+    -- DEBUG
 
-  mapM_ print diddos_summarized
+    mapM_ (TIO.putStrLn . snd) $ Map.toAscList $ Map.map (Diddo.formatDiddo outDateFmt) timestampDiddoMap