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stats:proc:deleteexercise [2011/09/28 21:28] Patrick Michel |
stats:proc:deleteexercise [2013/07/10 12:34] (current) |
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| <code xcend> | <code xcend> | ||
| - | deleteExercise(ident id) { | + | deleteExercise(ident uid, ident id) { |
| - | assume exists //exercises/exercise[id]; | + | assume exists /account[uid]/admin; |
| + | |||
| + | assume exists /exercise[id]; | ||
| | | ||
| - | assume size(//accounts/account/assistant[id]) = 0; | + | assume size(/exercise[id]/assistant) = 0; |
| - | assume size(//accounts/account/tutor[id]) = 0; | + | assume size(/exercise[id]/group/tutor) = 0; |
| | | ||
| - | remove //exercises/exercise[id]; | + | assume size(/exercise[id]/student) = 0; # don't allow to delete if students are there |
| + | |||
| + | remove /exercise[id]; | ||
| } | } | ||
| </code> | </code> | ||