fradrive/src/Handler/Utils/ExamOffice/Exam.hs

76 lines
4.6 KiB
Haskell

module Handler.Utils.ExamOffice.Exam
( resultIsSynced
, examOfficeExamResultAuth
) where
import Import.NoFoundation
import Handler.Utils.StudyFeatures
import qualified Database.Esqueleto as E
import qualified Database.Esqueleto.Utils as E
resultIsSynced :: E.SqlExpr (E.Value UserId) -- ^ office
-> E.SqlExpr (Entity ExamResult)
-> E.SqlExpr (E.Value Bool)
resultIsSynced authId examResult = (hasSchool E.&&. allSchools) E.||. (E.not_ hasSchool E.&&. anySync)
where
anySync = E.exists . E.from $ \synced ->
E.where_ $ synced E.^. ExamOfficeResultSyncedResult E.==. examResult E.^. ExamResultId
E.&&. synced E.^. ExamOfficeResultSyncedTime E.>=. examResult E.^. ExamResultLastChanged
hasSchool = E.exists . E.from $ \userFunction ->
E.where_ $ userFunction E.^. UserFunctionUser E.==. authId
E.&&. userFunction E.^. UserFunctionFunction E.==. E.val SchoolExamOffice
allSchools = E.not_ . E.exists . E.from $ \userFunction -> do
E.where_ $ userFunction E.^. UserFunctionUser E.==. authId
E.&&. userFunction E.^. UserFunctionFunction E.==. E.val SchoolExamOffice
E.where_ . E.not_ . E.exists . E.from $ \synced ->
E.where_ $ synced E.^. ExamOfficeResultSyncedSchool E.==. E.just (userFunction E.^. UserFunctionSchool)
E.&&. synced E.^. ExamOfficeResultSyncedResult E.==. examResult E.^. ExamResultId
E.&&. synced E.^. ExamOfficeResultSyncedTime E.>=. examResult E.^. ExamResultLastChanged
examOfficeExamResultAuth :: E.SqlExpr (E.Value UserId) -- ^ office
-> E.SqlExpr (Entity ExamResult)
-> E.SqlExpr (E.Value Bool)
examOfficeExamResultAuth authId examResult = authByUser E.||. authByField E.||. authBySchool E.||. authByExtraSchool
where
cId = E.subSelectForeign examResult ExamResultExam (\exam -> E.subSelectForeign exam ExamCourse (E.^. CourseId))
authByField = E.exists . E.from $ \(examOfficeField `E.InnerJoin` studyFeatures) -> do
E.on $ studyFeatures E.^. StudyFeaturesField E.==. examOfficeField E.^. ExamOfficeFieldField
E.where_ . E.maybe E.false id . E.subSelectMaybe . E.from $ \course -> do
E.where_ $ course E.^. CourseId E.==. cId
return . E.just $ isCourseStudyFeatureCached course studyFeatures
E.where_ $ studyFeatures E.^. StudyFeaturesUser E.==. examResult E.^. ExamResultUser
E.&&. examOfficeField E.^. ExamOfficeFieldOffice E.==. authId
E.&&. examOfficeField E.^. ExamOfficeFieldField E.==. studyFeatures E.^. StudyFeaturesField
E.where_ $ examOfficeField E.^. ExamOfficeFieldForced
E.||. E.exists (E.from $ \userFunction ->
E.where_ $ userFunction E.^. UserFunctionUser E.==. authId
E.&&. userFunction E.^. UserFunctionFunction E.==. E.val SchoolExamOffice
E.&&. E.not_ (E.exists . E.from $ \courseUserExamOfficeOptOut -> do
E.where_ $ courseUserExamOfficeOptOut E.^. CourseUserExamOfficeOptOutCourse E.==. cId
E.&&. courseUserExamOfficeOptOut E.^. CourseUserExamOfficeOptOutUser E.==. examResult E.^. ExamResultUser
E.&&. courseUserExamOfficeOptOut E.^. CourseUserExamOfficeOptOutSchool E.==. userFunction E.^. UserFunctionSchool
)
)
authByUser = E.exists . E.from $ \examOfficeUser ->
E.where_ $ examOfficeUser E.^. ExamOfficeUserOffice E.==. authId
E.&&. examOfficeUser E.^. ExamOfficeUserUser E.==. examResult E.^. ExamResultUser
authBySchool = E.exists . E.from $ \(userFunction `E.InnerJoin` course `E.InnerJoin` exam) -> do
E.on $ course E.^. CourseId E.==. exam E.^. ExamCourse
E.&&. exam E.^. ExamId E.==. examResult E.^. ExamResultExam
E.on $ course E.^. CourseSchool E.==. userFunction E.^. UserFunctionSchool
E.&&. userFunction E.^. UserFunctionFunction E.==. E.val SchoolExamOffice
E.where_ $ userFunction E.^. UserFunctionUser E.==. authId
authByExtraSchool = E.exists . E.from $ \(userFunction `E.InnerJoin` examSchool) -> do
E.on $ userFunction E.^. UserFunctionFunction E.==. E.val SchoolExamOffice
E.&&. userFunction E.^. UserFunctionSchool E.==. examSchool E.^. ExamOfficeSchoolSchool
E.where_ $ examSchool E.^. ExamOfficeSchoolExam E.==. examResult E.^. ExamResultExam
E.where_ $ userFunction E.^. UserFunctionUser E.==. authId