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stats:proc:registerstudent [2011/10/15 20:17]
Patrick Michel
stats:proc:registerstudent [2013/07/10 12:44] (current)
Line 3: Line 3:
 <code xcend> <code xcend>
 registerStudent(ident uid, ident id, ident studentId) { registerStudent(ident uid, ident id, ident studentId) {
-  assume ​exists ​//exercises/exercise[id];+  assume ​count (studentId, ​/account/student/id) = 1;
  
-  assume //exercises/​exercise[id]/​open && exists ​//accounts/​account[uid]/​student && ​//accounts/​account[uid]/​student/​id = studentId || +  assume ​exists ​/exercise[id] && ​/​exercise[id]/​open && ​ 
-         exists ​//accounts/​account[uid]/​assistant[id]; ​# the right management can't come first here+         exists /​account[uid]/​student && /​account[uid]/​student/​id = studentId 
 +      ​|| exists /​account[uid]/​assistant[id];​
  
-  assume ​not exists ​//exercises/​exercise[id]/​students/​student[studentId];​+  assume exists /​exercise[id]
 +  assume not exists ​/exercise[id]/​student[studentId];​
   ​   ​
-  insert ​//exercises/​exercise[id]/​students ​<student id=[studentId] />;+  insert /​exercise[id] <student id=[studentId] />;
 } }
 </​code>​ </​code>​
stats/proc/registerstudent.1318702660.txt.gz · Last modified: 2011/10/15 20:17 by Patrick Michel