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stats:proc:deleteexercise [2011/09/29 19:27] Patrick Michel |
stats:proc:deleteexercise [2011/10/08 15:39] Patrick Michel |
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assume exists //exercises/exercise[id]; | assume exists //exercises/exercise[id]; | ||
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- | assume size(//accounts/account/assistant[id]) = 0; | + | assume size(//exercises/exercise[id]/assistant) = 0; |
- | assume size(//accounts/account/tutor[id]) = 0; | + | assume size(//exercises/exercise[id]/groups/group/tutor) = 0; |
+ | |||
+ | assume size(//exercises/exercise[id]/students/student) = 0; # don't allow to delete if students are there | ||
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remove //exercises/exercise[id]; | remove //exercises/exercise[id]; |