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stats:proc:addparticipant [2011/09/27 20:54] Patrick Michel created |
stats:proc:addparticipant [2013/07/10 12:34] (current) |
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<code xcend> | <code xcend> | ||
- | addParticipant(ident id, ident studentId) { | + | addParticipant(ident uid, ident id, ident studentId) { |
- | assume exists //exams/exam[id]; # implicitly true in OO implementations | + | assume exists /account[uid]/student && /account[uid]/student/id = studentId && /exam[id]/free |
- | assume exists //accounts/account/student[studentId]; | + | || exists /account[uid]/examiner[id]; |
+ | |||
+ | assume exists /exam[id]; # implicitly true in OO implementations | ||
+ | assume count (studentId, /account/student/id) = 1; | ||
| | ||
- | assume not exists //exams/exam[id]/results/participant[studentId]; | + | assume not exists /exam[id]/participant[studentId]; |
| | ||
- | insert //exams/exam[id]/results/participant[studentId]; | + | insert /exam[id]/participant[studentId]; |
} | } | ||
</code> | </code> | ||