From 1e3285599922c3b6ec009ac641464f3232d59bb8 Mon Sep 17 00:00:00 2001
From: Hendrik Jaeger <henk@frustcomp>
Date: Tue, 11 Mar 2014 00:21:54 +0100
Subject: On branch master       modified:   Diddo.hs       modified:  
 HMSTime.hs       modified:   diddohs.hs

---
 Diddo.hs | 47 +++++++++++++++++++++++++----------------------
 1 file changed, 25 insertions(+), 22 deletions(-)

(limited to 'Diddo.hs')

diff --git a/Diddo.hs b/Diddo.hs
index e90e650..745d036 100644
--- a/Diddo.hs
+++ b/Diddo.hs
@@ -7,37 +7,34 @@ module Diddo
 , logToDiddoEntry
 ) where
 
-import HMSTime( secondsToHMS )
-import Data.List( intercalate )
 import Data.DateTime( diffSeconds )
-import Data.Time.LocalTime( TimeZone() )
-import Data.Time.Clock( UTCTime() )
 import Data.Maybe( fromMaybe )
+import Data.Time.Clock( UTCTime(), NominalDiffTime(), diffUTCTime )
 import Data.Time.Format( parseTime, formatTime )
+import Data.Time.LocalTime( TimeZone() )
 import Data.Time.LocalTime( ZonedTime(..), zonedTimeToUTC, utcToZonedTime )
-import Data.List.Split( splitOn )
 import System.Locale
+import qualified Data.Text as T
 
 data LogEntry = LogEntry
     { timestamp     :: UTCTime
     , timezone      :: TimeZone
-    , text          :: String
+    , text          :: T.Text
     }
 
-instance Show LogEntry where
-    show x = (show $ timestamp x) ++ (show $ timezone x) ++ text x
-
 data DiddoEntry = DiddoEntry
-    { startTime         :: ZonedTime
-    , endTime           :: ZonedTime
-    , comment           :: String
+    { startTime     :: ZonedTime
+    , endTime       :: ZonedTime
+    , comment       :: T.Text
     }
 
-instance Show DiddoEntry where
-  show (DiddoEntry start finish entry) = intercalate ";" [show start,show finish,show $ diffSeconds (zonedTimeToUTC finish) (zonedTimeToUTC start),entry]
-
-formatDiddoEntry :: String -> DiddoEntry -> String
-formatDiddoEntry format entry = (formatTime defaultTimeLocale format (startTime entry)) ++ ";" ++ (formatTime defaultTimeLocale format (endTime entry)) ++ ";" ++ (show $ secondsToHMS $ diffSeconds (zonedTimeToUTC (endTime entry)) (zonedTimeToUTC (startTime entry))) ++ ";" ++ comment entry
+formatDiddoEntry :: String -> DiddoEntry -> T.Text
+formatDiddoEntry format entry = T.intercalate (T.pack ";")
+    [ T.pack $ formatTime defaultTimeLocale format (startTime entry)
+    , T.pack $ formatTime defaultTimeLocale format (endTime entry)
+    , T.pack $ diffTimeToHMSString $ diffUTCTime (zonedTimeToUTC (endTime entry)) (zonedTimeToUTC (startTime entry))
+    , comment entry
+    ]
 
 logToDiddoEntry :: UTCTime -> LogEntry -> DiddoEntry
 logToDiddoEntry startutc logentry = DiddoEntry startZoned endZoned $ text logentry
@@ -45,17 +42,23 @@ logToDiddoEntry startutc logentry = DiddoEntry startZoned endZoned $ text logent
         startZoned = utcToZonedTime (timezone logentry) startutc
         endZoned = utcToZonedTime (timezone logentry) $ timestamp logentry
 
-parseDiddoLogline :: String -> LogEntry
+parseDiddoLogline :: T.Text -> LogEntry
 parseDiddoLogline line = LogEntry ts tz string
     where
-        splitLine           = splitOn ";" line
-        string              = intercalate ";" $ tail splitLine
+        splitLine           = T.splitOn (T.pack ";") line
+        string              = T.intercalate (T.pack ";") $ tail splitLine
         time                = parseISOsecondsTime $ head splitLine
         (ts,tz)             = (zonedTimeToUTC time, zonedTimeZone time)
 
 parseToZonedTime :: String -> String -> ZonedTime
 parseToZonedTime format string = fromMaybe (error $ "Input data broken: " ++ string) $ parseTime defaultTimeLocale format string
 
-parseISOsecondsTime :: String -> ZonedTime
-parseISOsecondsTime = parseToZonedTime $ iso8601DateFormat $ Just "%T%z"
+parseISOsecondsTime :: T.Text -> ZonedTime
+parseISOsecondsTime timestring = parseToZonedTime (iso8601DateFormat $ Just "%T%z") $ T.unpack timestring
+
+diffTimeToHMSString :: NominalDiffTime -> String
+diffTimeToHMSString delta = printf "%d:%02d:%02d" h m s
+    where
+        (mLeft, s) = floor delta `divMod` 60 :: (Int, Int)
+        (h, m)     = mLeft `divMod` 60
 
-- 
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