Generalise getTeacher to getUser

lib/Class.js

@@ -87,7 +87,7 @@ class Class {
 			this.teacherIds = ids.map(record => record.id);
 
 			const [ teachers, subject ] = await Promise.all([
-				this.getTeachers(),
+				this.getUsers(this.teacherIds, 'account'),
 				this.getSubject()
 			]);
 
@@ -102,12 +102,20 @@ class Class {
 		return new (require('./Subject'))(this.subjectId);
 	}
 
-	async getTeachers() {
+	async getUsers(ids, type) {
-		const teacherPromises = this.teacherIds.map(id => {
+		const types = {
-			return new (require('./Account'))(id);
+			account: 'Account',
+			student: 'Student'
+		};
+
+		if (!(type in types))
+			throw new Error('Invalid type');
+
+		const promises = ids.map(id => {
+			return new (require(`./${types[type]}`))(id);
 		});
 
-		return Promise.all(teacherPromises);
+		return Promise.all(promises);
 	}
 
 	async getTests({ order='desc', range='all' } = {}) {