fradrive/src/Handler/Utils/ExamOffice/ExternalExam.hs
2020-08-27 13:14:18 +02:00

67 lines
4.0 KiB
Haskell

module Handler.Utils.ExamOffice.ExternalExam
( resultIsSynced
, examOfficeExternalExamResultAuth
) 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 ExternalExamResult)
-> E.SqlExpr (E.Value Bool)
resultIsSynced authId eexamResult = (hasSchool E.&&. allSchools) E.||. (E.not_ hasSchool E.&&. anySync)
where
anySync = E.exists . E.from $ \synced ->
E.where_ $ synced E.^. ExamOfficeExternalResultSyncedResult E.==. eexamResult E.^. ExternalExamResultId
E.&&. synced E.^. ExamOfficeExternalResultSyncedTime E.>=. eexamResult E.^. ExternalExamResultLastChanged
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.^. ExamOfficeExternalResultSyncedSchool E.==. E.just (userFunction E.^. UserFunctionSchool)
E.&&. synced E.^. ExamOfficeExternalResultSyncedResult E.==. eexamResult E.^. ExternalExamResultId
E.&&. synced E.^. ExamOfficeExternalResultSyncedTime E.>=. eexamResult E.^. ExternalExamResultLastChanged
examOfficeExternalExamResultAuth :: E.SqlExpr (E.Value UserId) -- ^ office
-> E.SqlExpr (Entity ExternalExamResult)
-> E.SqlExpr (E.Value Bool)
examOfficeExternalExamResultAuth authId eexamResult = authByUser E.||. authByField E.||. authBySchool E.||. authByExtraSchool
where
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 $ \externalExam -> do
E.where_ $ externalExam E.^. ExternalExamId E.==. eexamResult E.^. ExternalExamResultExam
return . E.just $ isExternalExamStudyFeature externalExam studyFeatures
E.where_ $ studyFeatures E.^. StudyFeaturesUser E.==. eexamResult E.^. ExternalExamResultUser
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
)
authByUser = E.exists . E.from $ \examOfficeUser ->
E.where_ $ examOfficeUser E.^. ExamOfficeUserOffice E.==. authId
E.&&. examOfficeUser E.^. ExamOfficeUserUser E.==. eexamResult E.^. ExternalExamResultUser
authBySchool = E.exists . E.from $ \(userFunction `E.InnerJoin` eexam) -> do
E.on $ userFunction E.^. UserFunctionFunction E.==. E.val SchoolExamOffice
E.&&. userFunction E.^. UserFunctionSchool E.==. eexam E.^. ExternalExamSchool
E.where_ $ eexam E.^. ExternalExamId E.==. eexamResult E.^. ExternalExamResultExam
E.where_ $ userFunction E.^. UserFunctionUser E.==. authId
authByExtraSchool = E.exists . E.from $ \(userFunction `E.InnerJoin` eexamSchool) -> do
E.on $ userFunction E.^. UserFunctionFunction E.==. E.val SchoolExamOffice
E.&&. userFunction E.^. UserFunctionSchool E.==. eexamSchool E.^. ExternalExamOfficeSchoolSchool
E.where_ $ eexamSchool E.^. ExternalExamOfficeSchoolExam E.==. eexamResult E.^. ExternalExamResultExam
E.where_ $ userFunction E.^. UserFunctionUser E.==. authId