gonito/Handler/Tables.hs
2017-05-27 22:31:53 +02:00

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{-# LANGUAGE ScopedTypeVariables #-}
module Handler.Tables where
import Import
import Handler.Shared
import Handler.SubmissionView
import Handler.TagUtils
import qualified Yesod.Table as Table
import Yesod.Table (Table)
import qualified Data.Map as Map
import qualified Data.List as DL
import Data.Text (pack)
import PersistSHA1
import GEval.Core
import Text.Printf
data LeaderboardEntry = LeaderboardEntry {
leaderboardUser :: User,
leaderboardUserId :: UserId,
leaderboardBestSubmission :: Submission,
leaderboardBestSubmissionId :: SubmissionId,
leaderboardEvaluation :: Evaluation,
leaderboardNumberOfSubmissions :: Int,
leaderboardTags :: [(Entity Tag, Entity SubmissionTag)]
}
submissionsTable :: Maybe UserId -> Text -> [Entity Test] -> Table App (Entity Submission, Entity User, Map (Key Test) Evaluation, [(Entity Tag, Entity SubmissionTag)])
submissionsTable mauthId challengeName tests = mempty
++ Table.text "submitter" (formatSubmitter . (\(_, Entity _ submitter, _, _) -> submitter))
++ timestampCell "when" (submissionStamp . (\(Entity _ s, _, _, _) -> s))
++ descriptionCell
++ mconcat (map (\(Entity k t) -> resultCell t (extractScore k)) tests)
++ statusCell challengeName (\(Entity submissionId submission, Entity userId _, _, _) -> (submissionId, submission, userId, mauthId))
descriptionCell = Table.widget "description" (
\(Entity _ s, _, _ ,tagEnts) -> fragmentWithSubmissionTags (submissionDescription s) tagEnts)
extractScore :: Key Test -> (Entity Submission, Entity User, Map (Key Test) Evaluation, [(Entity Tag, Entity SubmissionTag)]) -> Maybe Evaluation
extractScore k (_, _, m, _) = lookup k m
leaderboardTable :: Maybe UserId -> Text -> Test -> Table App (Int, LeaderboardEntry)
leaderboardTable mauthId challengeName test = mempty
++ Table.int "#" fst
++ Table.text "submitter" (formatSubmitter . leaderboardUser . snd)
++ timestampCell "when" (submissionStamp . leaderboardBestSubmission . snd)
++ leaderboardDescriptionCell
++ resultCell test ((\e -> Just e) . leaderboardEvaluation . snd)
++ Table.int "×" (leaderboardNumberOfSubmissions . snd)
++ statusCell challengeName (\(_, e) -> (leaderboardBestSubmissionId e,
leaderboardBestSubmission e,
leaderboardUserId e,
mauthId))
leaderboardDescriptionCell = Table.widget "description" (
\(_,entry) -> fragmentWithSubmissionTags (submissionDescription $ leaderboardBestSubmission entry) (leaderboardTags entry))
hoverTextCell :: Text -> (a -> Text) -> (a -> Text) -> Table site a
hoverTextCell h mainTextFun hoverTextFun = Table.widget h (
\v -> [whamlet|<span title="#{hoverTextFun v}">#{mainTextFun v}|])
timestampCell :: Text -> (a -> UTCTime) -> Table site a
timestampCell h timestampFun = hoverTextCell h (Data.Text.pack . shorterFormat . timestampFun) (Data.Text.pack . show . timestampFun)
where shorterFormat = formatTime defaultTimeLocale "%Y-%m-%d %H:%M"
statusCell :: Text -> (a -> (SubmissionId, Submission, UserId, Maybe UserId)) -> Table App a
statusCell challengeName fun = Table.widget "" (statusCellWidget challengeName . fun)
resultCell :: Test -> (a -> Maybe Evaluation) -> Table App a
resultCell test fun = hoverTextCell ((testName test) ++ "/" ++ (Data.Text.pack $ show $ testMetric test)) (formatTruncatedScore (testPrecision test) . fun) (formatFullScore . fun)
formatFullScore :: Maybe Evaluation -> Text
formatFullScore (Just evaluation) = fromMaybe "???" (Data.Text.pack <$> show <$> evaluationScore evaluation)
formatFullScore Nothing = "N/A"
formatTruncatedScore :: Maybe Int -> Maybe Evaluation -> Text
formatTruncatedScore Nothing e = formatFullScore e
formatTruncatedScore _ Nothing = formatFullScore Nothing
formatTruncatedScore (Just precision) (Just evaluation) = case evaluationScore evaluation of
Just score -> Data.Text.pack $ printf "%0.*f" precision score
Nothing -> formatFullScore Nothing
statusCellWidget challengeName (submissionId, submission, userId, mauthId) = $(widgetFile "submission-status")
where commitHash = fromSHA1ToText $ submissionCommit submission
isPublic = submissionIsPublic submission
isOwner = (mauthId == Just userId)
isVisible = isPublic || isOwner
publicSubmissionBranch = getPublicSubmissionBranch submissionId
maybeBrowsableUrl = if isPublic
then
Just $ browsableGitRepoBranch challengeName publicSubmissionBranch
else
Nothing
getMainTest :: [Entity Test] -> Entity Test
getMainTest tests = DL.maximumBy (\(Entity _ a) (Entity _ b) -> ((testName a) `compare` (testName b))) tests
getAuxSubmissions :: Key Test -> [(Entity Submission, Entity User, Map (Key Test) Evaluation)] -> [(Key User, (User, [(Submission, Evaluation)]))]
getAuxSubmissions testId evaluationMaps = map (processEvaluationMap testId) evaluationMaps
where processEvaluationMap testId ((Entity _ s), (Entity ui u), m) = (ui, (u, case Map.lookup testId m of
Just e -> [(s, e)]
Nothing -> []))
getAuxSubmissionEnts :: Key Test -> [(Entity Submission, Entity User, Map (Key Test) Evaluation, [(Entity Tag, Entity SubmissionTag)])] -> [(Key User, (User, [((Entity Submission), Evaluation)]))]
getAuxSubmissionEnts testId evaluationMaps = map (processEvaluationMap testId) evaluationMaps
where processEvaluationMap testId (s, (Entity ui u), m, _) = (ui, (u, case Map.lookup testId m of
Just e -> [(s, e)]
Nothing -> []))
getLeaderboardEntries :: Key Challenge -> Handler (Test, [LeaderboardEntry])
getLeaderboardEntries challengeId = do
(evaluationMaps, tests) <- getChallengeSubmissionInfos (\_ -> True) challengeId
let mainTestEnt = getMainTest tests
let (Entity mainTestId mainTest) = mainTestEnt
let auxSubmissions = getAuxSubmissionEnts mainTestId evaluationMaps
let submissionsByUser = Map.fromListWith (\(u1, l1) (_, l2) -> (u1, l1++l2)) auxSubmissions
let entryComparator a b = (compareResult mainTest) (evaluationScore $ leaderboardEvaluation a) (evaluationScore $ leaderboardEvaluation b)
entries' <- mapM (toEntry mainTest) $ filter (\(_, (_, s)) -> not (null s)) $ Map.toList submissionsByUser
let entries = sortBy (flip entryComparator) entries'
return (mainTest, entries)
toEntry mainTest (ui, (u, ss)) = do
let bestOne = DL.maximumBy (submissionComparator mainTest) ss
let submissionId = entityKey $ fst bestOne
tagEnts <- runDB $ getTags submissionId
return $ LeaderboardEntry {
leaderboardUser = u,
leaderboardUserId = ui,
leaderboardBestSubmission = (\(Entity _ s) -> s) $ fst bestOne,
leaderboardBestSubmissionId = (\(Entity si _) -> si) $ fst bestOne,
leaderboardEvaluation = snd bestOne,
leaderboardNumberOfSubmissions = length ss,
leaderboardTags = tagEnts
}
where submissionComparator mainTest (_, e1) (_, e2) = (compareResult mainTest) (evaluationScore e1) (evaluationScore e2)
compareResult :: Test -> Maybe Double -> Maybe Double -> Ordering
compareResult test (Just x) (Just y) = (compareFun $ getMetricOrdering $ testMetric test) x y
compareResult _ (Just _) Nothing = GT
compareResult _ Nothing (Just _) = LT
compareResult _ Nothing Nothing = EQ
compareFun :: MetricOrdering -> Double -> Double -> Ordering
compareFun TheLowerTheBetter = flip compare
compareFun TheHigherTheBetter = compare
getChallengeSubmissionInfos :: ((Entity Submission) -> Bool) -> Key Challenge -> Handler ([(Entity Submission, Entity User, Map (Key Test) Evaluation, [(Entity Tag, Entity SubmissionTag)])], [Entity Test])
getChallengeSubmissionInfos condition challengeId = do
allSubmissions <- runDB $ selectList [SubmissionChallenge ==. challengeId] [Desc SubmissionStamp]
let submissions = filter condition allSubmissions
tests <- runDB $ selectList [TestChallenge ==. challengeId, TestActive ==. True] []
evaluationMaps <- mapM getEvaluationMap submissions
return (evaluationMaps, tests)
getEvaluationMap :: Entity Submission -> Handler (Entity Submission, Entity User, Map (Key Test) Evaluation, [(Entity Tag, Entity SubmissionTag)])
getEvaluationMap s@(Entity submissionId submission) = do
outs <- runDB $ selectList [OutSubmission ==. submissionId] []
user <- runDB $ get404 $ submissionSubmitter submission
maybeEvaluations <- runDB $ mapM (\(Entity _ o) -> getBy $ UniqueEvaluationTestChecksum (outTest o) (outChecksum o)) outs
let evaluations = catMaybes maybeEvaluations
let m = Map.fromList $ map (\(Entity _ e) -> (evaluationTest e, e)) evaluations
tagEnts <- runDB $ getTags submissionId
return (s, Entity (submissionSubmitter submission) user, m, tagEnts)