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--- stats:proc:grantassistantrights [2011/09/28 23:50]
Patrick Michel
+++ stats:proc:grantassistantrights [2013/07/10 12:32] (current)
@@ Line 2: / Line 2: @@
 <code xcend>
-grantAssistantRights(ident username, ident exerciseId) {
+grantAssistantRights(ident uid, ident username, ident exerciseId) {
-  assume exists //accounts/account[username]; # implicitly true in OO implementations
+  assume exists /account[uid]/admin;
-  assume exists //exercises/exercise[exerciseId];
-  assume not exists //accounts/account[username]/assistant[exerciseId]);
+  assume exists /account[username]; # implicitly true in OO implementations
-  assume not exists //exercises/exercise[exerciseId]/assistant[account]; # implied by integrity and the assumption before
+  assume exists /exercise[exerciseId];
-  insert //accounts/account[username] <assistant exercise=[exerciseId] />;
+  assume not exists /account[username]/assistant[exerciseId]);
-  insert //exercises/exercise[exerciseId] <assistant account=[account] />;
+  assume not exists /exercise[exerciseId]/assistant[username]; # implied by integrity and the assumption before
-} # roles: admin
+  insert /account[username] <assistant exercise=[exerciseId] />;
+  insert /exercise[exerciseId] <assistant account=[username] />;
+}
 </code>

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