Fixed student list bug when decrypted

frontend/src/components/student_list/StudentListReverseMapper.vue

@@ -46,13 +46,14 @@
         return map
       },
       reverseMapStudents (studentMap) {
-        const mappedStudents = Object.values({...this.$store.state.students}).map(student => {
-          return {
-            ...student,
-            ...studentMap[student.matrikel_no]
-          }
-        })
-        this.$store.commit('SET_STUDENTS', mappedStudents)
+        // const mappedStudents = Object.values({...this.$store.state.students}).map(student => {
+        //   return {
+        //     ...student,
+        //     ...studentMap[student.matrikel_no]
+        //   }
+        // })
+        this.$store.commit('SET_STUDENT_MAP', studentMap)
+        this.$store.commit('SET_STUDENTS', Object.values(this.$store.state.students))
       }
     }
   }

frontend/src/store/mutations.js

@@ -13,6 +13,7 @@ export const mut = Object.freeze({
   SET_EXAM_TYPES: 'SET_EXAM_TYPES',
   SET_STUDENTS: 'SET_STUDENTS',
   SET_STUDENT: 'SET_STUDENT',
+  SET_STUDENT_MAP: 'SET_STUDENT_MAP',
   SET_TUTORS: 'SET_TUTORS',
   SET_SUBMISSION: 'SET_SUBMISSION',
   SET_ALL_FEEDBACK: 'SET_ALL_FEEDBACK',
@@ -60,15 +61,18 @@ const mutations = {
   },
   [mut.SET_STUDENTS] (state, students) {
     state.students = students.reduce((acc, curr) => {
-      acc[curr.pk] = curr
+      acc[curr.pk] = mapStudent(curr, state.studentMap)
       return acc
     }, {})
   },
   [mut.SET_STUDENT] (state, student) {
-    Vue.set(state.students, student.pk, {
+    Vue.set(state.students, student.pk, mapStudent({
       ...state.students[student.pk],
       ...student
-    })
+    }, state.studentMap))
+  },
+  [mut.SET_STUDENT_MAP] (state, map) {
+    state.studentMap = map
   },
   [mut.SET_TUTORS] (state, tutors) {
     state.tutors = tutors
@@ -129,4 +133,14 @@ const mutations = {
   }
 }
 
+function mapStudent (student, map) {
+  if (Object.keys(map).length > 0) {
+    return {
+      ...student,
+      ...map[student.matrikel_no]
+    }
+  }
+  return student
+}
+
 export default mutations

frontend/src/store/store.js

@@ -24,6 +24,7 @@ export function initialState () {
     subscriptions: {},
     assignments: {},
     students: {},
+    studentMap: {},  // is used to map obfuscated student data back to the original
     statistics: {
       submission_type_progress: []
     },