138 lines
5.5 KiB
Haskell
138 lines
5.5 KiB
Haskell
module Handler.Graph where
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import Import
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import Handler.Tables
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import Handler.Shared (formatParameter, formatScore)
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import Data.Maybe
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import Data.List ((!!))
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import Database.Persist.Sql
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import GEval.Core (MetricValue)
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import qualified Data.Map as M
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getChallengeGraphDataR :: Text -> Handler Value
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getChallengeGraphDataR challengeName = submissionsToJSON (\_ -> True) challengeName
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data ParamGraphItem = ParamGraphItem TableEntry Text Text MetricValue
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data ParamGraphSeries = ParamGraphSeries Text [(TableEntry, Text, MetricValue)]
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getChallengeParamGraphDataR :: Text -> (Key Test) -> Text -> Handler Value
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getChallengeParamGraphDataR challengeName testId paramName = do
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(Entity challengeId _) <- runDB $ getBy404 $ UniqueName challengeName
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test <- runDB $ get404 testId
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(entries, tests) <- getChallengeSubmissionInfos (const True) challengeId
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let values = map (findParamValue paramName) entries
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let items = Data.Maybe.catMaybes $ map (toParamGraphItem testId paramName) $ zip entries values
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let series = map (\(label, rs) -> ParamGraphSeries label rs)
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$ organizeBy
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$ map (\(ParamGraphItem entry label x y) -> (label, (entry, x, y))) items
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return $ object [
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"xs" .= object (map (\(ParamGraphSeries seriesName _) -> (seriesName .= (xSeriesName seriesName))) series),
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"columns" .= ((map (toYColumn $ testPrecision test) series) ++ (map toXColumn series))
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]
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toYColumn :: Maybe Int -> ParamGraphSeries -> [Text]
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toYColumn mPrecision (ParamGraphSeries seriesName items) =
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seriesName : (map (\(_,_,v) -> formatScore mPrecision v) items)
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toXColumn :: ParamGraphSeries -> [Text]
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toXColumn (ParamGraphSeries seriesName items) =
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(xSeriesName seriesName) : (map (\(_,x,_) -> x) items)
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xSeriesName :: Text -> Text
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xSeriesName = (++ "_x")
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organizeBy :: (Eq a, Ord a) => [(a, b)] -> [(a, [b])]
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organizeBy pList = M.toList $ M.fromListWith (++) $ map (\(x, y) -> (x, [y])) pList
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toParamGraphItem :: TestId -> Text -> (TableEntry, Maybe Text) -> Maybe ParamGraphItem
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toParamGraphItem _ _ (_, Nothing) = Nothing
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toParamGraphItem tid paramName (entry, Just val) = (ParamGraphItem entry label val) <$> join y
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where label = unwords (tagsFormatted ++ paramsFormatted)
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tagsFormatted =
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map (tagName . entityVal . fst)
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$ tableEntryTagsInfo entry
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paramsFormatted =
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map formatParameter
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$ filter (\pe -> parameterName pe /= paramName)
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$ map entityVal $ tableEntryParams entry
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y = evaluationScore <$> lookup tid (tableEntryMapping entry)
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findParamValue :: Text -> TableEntry -> Maybe Text
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findParamValue paramName entry =
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(parameterValue . entityVal) <$> (find (\e -> parameterName (entityVal e) == paramName) $ tableEntryParams entry)
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submissionsToJSON :: ((Entity Submission) -> Bool) -> Text -> Handler Value
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submissionsToJSON condition challengeName = do
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(Entity challengeId _) <- runDB $ getBy404 $ UniqueName challengeName
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(_, entries, _) <- getLeaderboardEntriesByCriterion challengeId
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condition
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(\(TableEntry (Entity submissionId _) _ _ _ _ _) -> submissionId)
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let naturalRange = getNaturalRange entries
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let submissionIds = map leaderboardBestSubmissionId entries
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forks <- runDB $ selectList [ForkSource <-. submissionIds, ForkTarget <-. submissionIds] []
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return $ object [ "nodes" .= (Data.Maybe.catMaybes $ map (auxSubmissionToNode naturalRange) $ entries),
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"edges" .= map forkToEdge forks ]
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getNaturalRange :: [LeaderboardEntry] -> Double
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getNaturalRange entries = 2.0 * (interQuantile $ Data.Maybe.catMaybes $ map (evaluationScore . leaderboardEvaluation) entries)
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auxSubmissionToNode :: Double -> LeaderboardEntry -> Maybe Value
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auxSubmissionToNode naturalRange entry = case evaluationScore $ leaderboardEvaluation entry of
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Just score -> Just $ object [
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"id" .= (nodeId $ leaderboardBestSubmissionId entry),
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"x" .= (stampToX $ submissionStamp $ leaderboardBestSubmission entry),
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"y" .= (- ((score / naturalRange) * 100.0)),
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"size" .= (2 :: Int),
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"label" .= descriptionToBeShown (leaderboardBestSubmission entry) (leaderboardBestVariant entry) (leaderboardParams entry) ]
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Nothing -> Nothing
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forkToEdge :: Entity Fork -> Value
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forkToEdge (Entity forkId fork) = object [
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"source" .= nodeId (forkSource fork),
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"target" .= nodeId (forkTarget fork),
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"id" .= edgeId forkId,
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"type" .= ["arrow" :: String]
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]
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nodeId :: Key Submission -> String
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nodeId = ("n" ++) . show . fromSqlKey
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edgeId :: Key Fork -> String
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edgeId = ("e" ++) . show . fromSqlKey
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stampToX :: UTCTime -> Integer
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stampToX = toModifiedJulianDay . utctDay
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-- taken from Math.Statistics
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interQuantile :: (Fractional b, Ord b) => [b] -> b
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interQuantile [] = 10.0
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interQuantile xs = (q' - q)
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where q = quantile 0.25 xs
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q' = quantile 0.75 xs
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quantile :: (Fractional b, Ord b) => Double -> [b] -> b
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quantile q = quantileAsc q . sort
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quantileAsc :: (Fractional b, Ord b) => Double -> [b] -> b
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quantileAsc _ [] = error "x"
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quantileAsc q xs
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| q < 0 || q > 1 = error "quantile out of range"
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| otherwise = xs !! (quantIndex (length xs) q)
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where quantIndex :: Int -> Double -> Int
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quantIndex len q = case round $ q * (fromIntegral len - 1) of
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idx | idx < 0 -> error "Quantile index too small"
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| idx >= len -> error "Quantile index too large"
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| otherwise -> idx
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