stats:proc:signupgroup
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| Both sides previous revision Previous revision Next revision | Previous revision | ||
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stats:proc:signupgroup [2011/09/29 16:24] Patrick Michel |
stats:proc:signupgroup [2011/10/15 20:19] Patrick Michel |
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| <code xcend> | <code xcend> | ||
| - | signUpGroup(ident id, ident studentId, ident groupId) { | + | signUpGroup(ident uid, ident id, ident studentId, ident groupId) { |
| + | assume exists //exercises/exercise[id] && //exercises/exercise[id]/open && | ||
| + | exists //accounts/account[uid]/student && //accounts/account[uid]/student/id = studentId | ||
| + | || exists //accounts/account[uid]/assistant[id]; | ||
| assume exists //exercises/exercise[id]/students/student[studentId]; # implies the existence of the exercise | assume exists //exercises/exercise[id]/students/student[studentId]; # implies the existence of the exercise | ||
| assume exists //exercises/exercise[id]/groups/group[groupId]; # also implies it, but once is really enough | assume exists //exercises/exercise[id]/groups/group[groupId]; # also implies it, but once is really enough | ||
| Line 11: | Line 15: | ||
| insert //exercises/exercise[id]/students/student[studentId]/group groupId; | insert //exercises/exercise[id]/students/student[studentId]/group groupId; | ||
| update //exercises/exercise[id]/groups/group[groupId]/curSize (//exercises/exercise[id]/groups/group[groupId]/curSize + 1); | update //exercises/exercise[id]/groups/group[groupId]/curSize (//exercises/exercise[id]/groups/group[groupId]/curSize + 1); | ||
| - | } # roles: assistant[id], student[studentId] | + | } |
| </code> | </code> | ||
stats/proc/signupgroup.txt · Last modified: 2013/07/10 12:34 (external edit)
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