stats:proc:unregisterstudent
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| Both sides previous revision Previous revision Next revision | Previous revision | ||
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stats:proc:unregisterstudent [2011/10/15 19:47] Patrick Michel |
stats:proc:unregisterstudent [2012/05/29 16:49] Patrick Michel |
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| Line 3: | Line 3: | ||
| <code xcend> | <code xcend> | ||
| unregisterStudent(ident uid, ident id, ident studentId) { | unregisterStudent(ident uid, ident id, ident studentId) { | ||
| - | assume exists //accounts/account/student[studentId]; | + | assume exists //exercises/exercise[id] && //exercises/exercise[id]/open && |
| - | assume exists //exercises/exercise[id]/student[studentId]; # implies the exercise exists | + | exists //accounts/account[uid]/student && //accounts/account[uid]/student/id = studentId |
| + | || exists //accounts/account[uid]/assistant[id]; | ||
| - | assume //exercises/exercise[id]/open && exists //accounts/account[uid]/student && //accounts/account[uid]/student/id = studentId || | + | assume exists //exercises/exercise[id]/students/student[studentId]; # implies the exercise exists |
| - | exists //accounts/account[uid]/assistant[id]; # the right management can't come first here | + | |
| assume size(//exercises/exercise[id]/students/student[studentId]/result) = 0; # don't allow unregistering if results are there | assume size(//exercises/exercise[id]/students/student[studentId]/result) = 0; # don't allow unregistering if results are there | ||
| + | assume not exists //exercises/exercise[id]/students/student[studentId]/group; # don't allow if signed in a group | ||
| | | ||
| remove //exercises/exercise[id]/students/student[studentId]; | remove //exercises/exercise[id]/students/student[studentId]; | ||
| } | } | ||
| </code> | </code> | ||
stats/proc/unregisterstudent.txt · Last modified: 2013/07/10 12:34 (external edit)
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