Script to find users with incorrect role based on classrooms

scripts/analytics/mongodb/queries/maybeStudentTeacher.js

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+// Find users that may have incorrect roles based on classroom ownership and membership
+
+// Usage:
+// mongo <address>:<port>/<database> <script file> -u <username> -p <password>
+
+// User buckets
+// Classroom owner, no role
+// Classroom owner, student role
+// Classroom owner, teacher role (GOOD)
+// Classroom member, no role
+// Classroom member, teacher role
+// Classroom member, studnet role (GOOD)
+
+'use strict';
+const scriptStartTime = new Date();
+
+const classrooms = db.classrooms.find({}, {ownerID: 1, members: 1}).toArray();
+print(classrooms.length, "classrooms");
+
+const userIds = [];
+const teacherIds = {};
+const studentIds = {};
+for (var classroom of classrooms) {
+  teacherIds[classroom.ownerID.valueOf()] = true;
+  userIds.push(classroom.ownerID);
+  for (var memberId of classroom.members) {
+    studentIds[memberId.valueOf()] = true;
+    userIds.push(memberId);
+  }
+}
+
+print(Object.keys(teacherIds).length, "users own classrooms");
+print(Object.keys(studentIds).length, "users in classrooms");
+print(Object.keys(teacherIds).length + Object.keys(studentIds).length, "total");
+
+const users = db.users.find({$and: [{_id: {$in: userIds}}, {anonymous: false}]}, {email:1, role: 1}).toArray();
+
+const studentOwnsClassroom = [];
+const teacherInClassroom = [];
+const individualInClassroom = [];
+const individualOwnsClassroom = [];
+for (var user of users) {
+  const userId = user._id.valueOf();
+  if (!user.email) {
+    printjson(user);
+    continue;
+  }
+  if (hasStudentRole(user.role)) {
+    if (teacherIds[userId]) {
+      studentOwnsClassroom.push(user.email);
+    }
+  }
+  else if (hasTeacherRole(user.role)) {
+    if (studentIds[userId]) {
+      teacherInClassroom.push(user.email);
+    }
+  }
+  else {
+    if (studentIds[userId]) {
+      individualInClassroom.push(user.email);
+    }
+    else if (teacherIds[userId]) {
+      individualOwnsClassroom.push(user.email);
+    }
+    else {
+      print("ERROR?", userId);
+      break;
+    }
+  }
+}
+
+print(studentOwnsClassroom.length, "Students own classroom:");
+for (var email of studentOwnsClassroom) {
+  print(email);
+}
+print(teacherInClassroom.length, "Teachers in classroom:");
+for (var email of teacherInClassroom) {
+  print(email);
+}
+print(individualInClassroom.length, "Individuals in classroom:");
+for (var email of individualInClassroom) {
+  print(email);
+}
+print(individualOwnsClassroom.length, "Individuals own classroom:");
+for (var email of individualOwnsClassroom) {
+  print(email);
+}
+
+print("Script runtime: " + (new Date() - scriptStartTime));
+
+function hasTeacherRole(role) {
+  return ['teacher', 'technology coordinator', 'advisor', 'principal', 'superintendent', 'parent'].indexOf(role) >= 0;
+}
+
+function hasStudentRole(role) {
+  return ['student'].indexOf(role) >= 0;
+}