Add deteacher script

scripts/mongodb/deteacher.js

@@ -0,0 +1,38 @@
+
+// Unset someone with a teacher role. Remove trial requests, set role to student or nothing
+// depending on if they're in any classrooms.
+
+// Usage
+// ---------------
+// In mongo shell
+//
+// > db.loadServerScripts();
+// > deteacher('some@email.com');
+
+var deteacher = function deteacher(email) {
+  var user = db.users.findOne({emailLower: email.toLowerCase()});
+  if (!user) {
+    print('User not found');
+    return;
+  }
+  print('Found user', user.name, user.email, user.role, user._id);
+  var trialRequests = db.trial.requests.find({applicant: user._id}).toArray();
+  for (var index in trialRequests) {
+    var trialRequest = trialRequests[index];
+    print('Delete trial request', JSON.stringify(trialRequest, null, '  '), db.trial.requests.remove({_id: trialRequest._id}, true));
+  }
+  var classroomCount = db.classrooms.count({members: user._id});
+  if (classroomCount > 0) {
+    print('Set to student', db.users.update({_id: user._id}, {$set: {role: 'student'}}));
+  }
+  else {
+    print('Unset role', db.users.update({_id: user._id}, {$unset: {role: ''}}));
+  }
+}
+
+db.system.js.save(
+  {
+    _id: 'deteacher',
+    value: deteacher
+  }
+)