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import Data.Text (strip, unpack, pack)
import Network.CGI
import Text.XHtml
import Utils.ScoresFile (readScoresFile,writeScoresFile)
import Types.Classes
import Types.Scores
import Data.Classes
import Data.List.Split (splitOn)
import System.Time (getClockTime, CalendarTime, toCalendarTime)
import Control.Monad (liftM, when)
import Control.Monad.Trans (lift)
import Data.Maybe (fromMaybe)
import Types.Session
import Types.Clocks
import Control.Monad.SariulClocks
import Utils.Classes
import Text.XHtml.Bootstrap
import Control.Exception (onException)
import Data.Char (isDigit)
import Data.Maybe (fromJust)
import Utils.Xhtml
import Network.URI
import System.FilePath (takeDirectory)
--- functions making HTML
navBar :: SariulClocksCGI Html
navBar = do
currentClass <- liftM (currentClass) getSession
return $
thediv # "navbar navbar-inverse navbar-fixed-top" ! [strAttr "role" "navigation"]
<< thediv # "container"
<< (primHtml "<div class=\"navbar-header\"> <button type=\"button\" class=\"navbar-toggle\" data-toggle=\"collapse\" data-target=\".navbar-collapse\"> <span class=\"sr-only\">Toggle navigation</span> <span class=\"icon-bar\"></span> <span class=\"icon-bar\"></span> <span class=\"icon-bar\"></span> </button> <a class=\"navbar-brand\" href=\"#\">Mr Whitton's timers</a> </div>"
+++ (thediv # "navbar-collapse collapse" << form #= "end_of_class_form" # "navbar-form navbar-right" ! [strAttr "role" "form", strAttr "name" "end_of_class_form", strAttr "method" "POST"]
<< ( lessonButtons currentClass
+++ bsButton "date-toggle" "btn btn-default" ("Toggle " +++ uC 'd' +++ "ate style")
+++ soundsButton)))
where
soundsButton = thediv # "btn-group"
<< (anchor # "btn btn-default dropdown-toggle"
! [ strAttr "data-toggle" "dropdown"
, strAttr "aria-expanded" "false"
, strAttr "role" "button"
, strAttr "href" "#"]
<< ("Play sound " +++ thespan # "caret" << noHtml)
+++ ulist # "dropdown-menu" ! [strAttr "role" "menu"]
<< ((li << anchor #= "klaxon" ! [strAttr "href" "#"] << "Klaxon")
+++ (li << anchor #= "bell" ! [strAttr "href" "#"] << "Bell")
+++ (li # "divider" << noHtml)
+++ (li # "dropdown-header" << "Sean")
+++ (li << anchor #= "one-two-three" ! [strAttr "href" "#"] << "One, two, three")
+++ (li << anchor #= "too-noisy" ! [strAttr "href" "#"] << "Too noisy")
+++ (li << anchor #= "sit-down-quickly" ! [strAttr "href" "#"] << "Sit down quickly")
+++ (li # "divider" << noHtml)
+++ (li # "dropdown-header" << "은아")
+++ (li << anchor #= "why-so-noisy" ! [strAttr "href" "#"] << "Why are you so noisy?")))
lessonButtons :: Maybe Class -> Html
lessonButtons Nothing = bsButton "start-lesson" "btn btn-info" ("Start " +++ uC 'l' +++ "esson")
-- +++ bsButton "end-of-week" "btn btn-default" "End of week"
lessonButtons (Just _) = primHtml "<div class=\"form-group\"> <input id=\"class_points\" name=\"class_points\" type=\"text\" placeholder=\"Points scored\" class=\"form-control\"> </div> <div class=\"form-group\"> <input type=\"password\" id=\"teachers_password\" name=\"teachers_password\" placeholder=\"Teacher's password\" class=\"form-control\"> </div> "
+++ input #= "class_time_wasted" ! [strAttr "name" "class_time_wasted", strAttr "type" "hidden", strAttr "value" ""]
+++ bsButton "end-lesson" "btn btn-success" "End lesson"
+++ bsButton "lucky-number" "btn btn-danger" (uC 'L' +++ "ucky number")
makeClockToggle :: Clock -> Html
makeClockToggle _ = bsButton "leftClockToggle" "btn btn-info" "Count up/down toggle"
makeLeftClockButtons :: Clock -> Html
makeLeftClockButtons CountUpClock = paragraph # "text-center" << controlButtons
where
controlButtons = (+++) br $ foldr (+++) noHtml $
[ bsButton "activityClockUpGo" "btn btn-primary btn-lg btn-block" ("Start stopwatch (" +++ uC 'a' +++ ")")
, bsButton "activityClockUpReset" "btn btn-default btn-lg btn-block" ("Reset stopwatch (" +++ uC 'z' +++ ")")]
makeLeftClockButtons CountDownClock = br +++ (paragraph # "text-center" << timeButtons)
+++ (paragraph # "text-center" << controlButtons)
+++ (paragraph # "text-center"
<< "Hotkeys: press the number key for the number of minutes you want to countdown.")
where
timeButtons = foldr (+++) noHtml $
[ bsButton "activityClock30s" "btn btn-primary btn-lg" ("3" +++ (uC '0') +++ "s")
, bsButton "activityClock60s" "btn btn-primary btn-lg" "1m"
, bsButton "activityClock90s" "btn btn-primary btn-lg" ((uC '9') +++ "0s")
, bsButton "activityClock120s" "btn btn-primary btn-lg" "2m"
, bsButton "activityClock180s" "btn btn-primary btn-lg" "3m"
, bsButton "activityClock240s" "btn btn-primary btn-lg" "4m"
, bsButton "activityClock300s" "btn btn-primary btn-lg" "5m" ]
controlButtons = foldr (+++) noHtml $
[ bsButton "activityClockCustom" "btn btn-default btn-lg" (uC 'C' +++ "ustom")
, bsButton "activityClockReset" "btn btn-default btn-lg" (uC 'R' +++ "eset")]
makeRightClockButtons :: Html
makeRightClockButtons = primHtml $ "<a id=\"timeWastingClockGo\" class=\"btn btn-primary btn-lg btn-block\">Start <u>t</u>imer</a> <a id=\"timeWastingClockReset\" class=\"btn btn-default btn-lg btn-block\">Re<u>s</u>et timer </a>"
clocks :: SariulClocksCGI Html
clocks = do
leftClockType <- liftM (currentClock) getSession
let leftClockToggle = makeClockToggle leftClockType
let leftClockClockDiv =
case leftClockType of
CountUpClock -> "activity-countup"
CountDownClock -> "activity-countdown"
let leftClockClock = thediv ! [strAttr "id" leftClockClockDiv] << noHtml
let leftClockButtons = makeLeftClockButtons leftClockType
let leftClock = (<<) clockColumn $
(h1 << ("Activity time" +++ " " +++ leftClockToggle))
+++ br
+++ leftClockClock
+++ leftClockButtons
currentClass <- liftM (currentClass) getSession
let rightClock = (<<) clockColumn $
case currentClass of
Just _ -> (h1 << "Time wasting clock") +++ br
+++ (thediv ! [strAttr "id" "time-wasting-clock"] << noHtml) +++ br
+++ makeRightClockButtons
Nothing -> noHtml
return $ thediv # "container"
<< thediv # "row"
<< (leftClock +++ rightClock)
clockColumn :: Html -> Html
clockColumn = thediv ! [strAttr "class" "col-md-6"]
theDate :: Html
theDate = thediv # "container" << thediv # "row"
<< thediv # "col-md-12"
<< (hr
+++ (h1 ! [ strAttr "id" "date"
, strAttr "class" "text-center"]
<< noHtml) +++ hr)
--- main functions
makePage :: SariulClocksCGI Html
makePage = do
theNavBar <- navBar
theClocks <- clocks
theRankings <- rankings
return (theNavBar +++ theClocks +++ theDate +++ theRankings)
cgiMain :: SariulClocksCGI CGIResult
cgiMain = do
-- preparatory IO: templating, scores file, time (for cookies)
password <- (liftIO . readFile) "password"
userPassword <- liftM (fromMaybe "") $ getInput "teachers_password"
let passwordPasses = (unpack . strip . pack) password == userPassword
htmlTemplate <- (liftIO . readFile) "html/main.html"
clockTime <- liftIO getClockTime
scores <- readScoresFile
points <- liftM (readInt . fromMaybe "0") $ getInput "class_points"
timeWasted <- liftM (readInt . fromMaybe "0") $ getInput "class_time_wasted"
cookieClock <- liftM (fromMaybe 0) $ readCookie "clock_cookie"
cookieClass <- liftM (parseClassCookie) $ getCookie "class_cookie"
putSession Session { currentClass = if passwordPasses then Nothing else cookieClass
, currentClock =
case cookieClock of
0 -> CountDownClock
1 -> CountUpClock }
when passwordPasses $ modifyScores (updateScore (fromJust cookieClass) points timeWasted)
-- It would be good to use POST,REDIRECT,GET
-- <http://stackoverflow.com/a/570069> here. However, you can't
-- reliably set cookies during a 302 redirect: a lot of browsers
-- cough on it. So we'd have to change lots of things about our
-- application to make this work.
selfURL <- liftM uriPath requestURI
page <- makePage
setCookie =<< liftM (makeClassCookie clockTime (takeDirectory selfURL)) getSession
setCookie =<< liftM (makeClockCookie clockTime (takeDirectory selfURL)) getSession
setCookie =<< liftM (makeSsCookie clockTime (takeDirectory selfURL)) getSession
shouldModify <- liftM (((/=) scores) . Just) getScores
when shouldModify writeScoresFile
output $ templateInject htmlTemplate page
main = runSariulClocksCGI cgiMain
--- utility functions
templateInject :: String -> Html -> String
templateInject template body = templateBefore ++ (renderHtmlFragment body) ++ templateAfter
where
(templateBefore:templateAfter:_) = splitOn "BODY_HERE" template
readInt :: String -> Int
readInt string = if null string'
then 0
else read string'
where
string' = filter isDigit string
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