48 lines
1.2 KiB
Haskell
48 lines
1.2 KiB
Haskell
module Handler.Utils.StudyFeatures
|
|
( parseStudyFeatures
|
|
) where
|
|
|
|
import Import.NoFoundation hiding (try, (<|>))
|
|
|
|
import Text.Parsec
|
|
import Text.Parsec.Text
|
|
|
|
|
|
parseStudyFeatures :: UserId -> UTCTime -> Text -> Either Text [StudyFeatures]
|
|
parseStudyFeatures uId now = first tshow . parse (pStudyFeatures uId now <* eof) ""
|
|
|
|
|
|
pStudyFeatures :: UserId -> UTCTime -> Parser [StudyFeatures]
|
|
pStudyFeatures studyFeaturesUser studyFeaturesUpdated = do
|
|
studyFeaturesDegree <- StudyDegreeKey' <$> pKey
|
|
void $ string "$$"
|
|
|
|
let
|
|
pStudyFeature = do
|
|
_ <- pKey -- Meaning unknown at this time
|
|
void $ char '!'
|
|
_ <- pKey -- Meaning unknown
|
|
void $ char '!'
|
|
studyFeaturesField <- StudyTermsKey' <$> pKey
|
|
void $ char '!'
|
|
studyFeaturesType <- pType
|
|
void $ char '!'
|
|
studyFeaturesSemester <- decimal
|
|
let studyFeaturesValid = True
|
|
return StudyFeatures{..}
|
|
|
|
pStudyFeature `sepBy1` char '#'
|
|
|
|
pKey :: Parser Int
|
|
pKey = decimal
|
|
|
|
pType :: Parser StudyFieldType
|
|
pType = FieldPrimary <$ try (string "HF")
|
|
<|> FieldSecondary <$ try (string "NF")
|
|
|
|
decimal :: Parser Int
|
|
decimal = foldl' (\now next -> now * 10 + next) 0 <$> many1 digit'
|
|
where
|
|
digit' = dVal <$> digit
|
|
dVal c = fromEnum c - fromEnum '0'
|