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--- stats:proc:changeresult_sheet [2011/10/12 14:42]
Patrick Michel created
+++ stats:proc:changeresult_sheet [2012/05/22 09:54]
Patrick Michel
@@ Line 1: / Line 1: @@
-====== changeResult (Sheet) ======
+====== Change Result (Sheet) ======
 <code xcend>
-changeResult(string uid, string id, string studentId, string sheetId, double value) {
+changeResult(ident uid, ident id, ident studentId, ident sheetId, double points) {
-  tbd
+  assume exists //accounts/account[uid]/assistant[id]
+      || exists //accounts/account[uid]/tutor[id]/group[//exercises/exercise[id]/students/student[studentId]/group];
+  assume exists //exercises/exercise[id]/students/student[studentId]; # implies the existence of the exercise
+  assume exists //exercises/exercise[id]/sheets/sheet[sheetId]; # dito
+  assume points >= 0 && points <= //exercises/exercise[id]/sheets/sheet[sheetId]/maxPoints;
+  assume exists //exercises/exercise[id]/students/student[studentId]/result[sheetId];
+  update //exercises/exercise[id]/students/student[studentId]/result[sheetId]/points points;
 }
 </code>

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