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Rating.hs
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Rating.hs
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{-# LANGUAGE NoImplicitPrelude #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE ExtendedDefaultRules #-}
{-# LANGUAGE QuasiQuotes #-}
module Rating where
import UIO
import Data.Aeson.QQ ( aesonQQ )
default (Text, Int)
showRatingPage :: Text -> UIO ()
showRatingPage windowName = do
-- log to front UI
print "Showing rating page from Haskell code ..."
-- log to backend
logInfo $ display $ "Showing rating page in window " <> windowName
-- do the trick
uiComm [aesonQQ|{
"type": "call"
, "name": "openWindow"
, "args": ["rating.html", #{windowName}]
}|]
-- stateless rank changing functions, reacting to UI button clicks
increaseRating :: Int -> UIO ()
increaseRating currentRank = do
let newRank = currentRank + 1
logInfo
$ display
$ "Increase rating from "
<> tshow currentRank
<> " to "
<> tshow newRank
uiComm [aesonQQ|{
"type": "call"
, "name": "updateRank"
, "args": #{newRank}
}|]
decreaseRating :: Int -> UIO ()
decreaseRating currentRank = do
let newRank = currentRank - 1
logInfo
$ display
$ "Decrease rating from "
<> tshow currentRank
<> " to "
<> tshow newRank
uiComm [aesonQQ|{
"type": "call"
, "name": "updateRank"
, "args": #{newRank}
}|]