Cleaned up router, added ?next= path to query params for login page.

app/src/alerts.ts

@@ -1,3 +1,9 @@
+/**
+ * Shows a simple message dialog, with a 'close' button. It uses a pre-rendered
+ * dialog element that's globally defined for the whole app.
+ * @param msg The message to show.
+ * @returns A promise that resolves when the alert is closed.
+ */
 export function showAlert(msg: string): Promise<void> {
   const dialog = document.getElementById('alert-dialog') as HTMLDialogElement
   const messageBox = document.getElementById('alert-dialog-message') as HTMLParagraphElement

app/src/apps/classroom_compliance/router.ts

@@ -0,0 +1,40 @@
+import { enforceAuth } from '@/router'
+import type { RouteRecordRaw } from 'vue-router'
+
+export function createClassroomComplianceRoutes(): RouteRecordRaw {
+  return {
+    path: '/classroom-compliance',
+    component: () => import('@/apps/classroom_compliance/MainView.vue'),
+    beforeEnter: [enforceAuth],
+    children: [
+      {
+        path: '',
+        component: () => import('@/apps/classroom_compliance/ClassesView.vue'),
+      },
+      {
+        path: 'classes/:id',
+        component: () => import('@/apps/classroom_compliance/ClassView.vue'),
+        props: true,
+      },
+      {
+        path: 'edit-class',
+        component: () => import('@/apps/classroom_compliance/EditClassView.vue'),
+      },
+      {
+        path: 'classes/:classId/students/:studentId',
+        component: () => import('@/apps/classroom_compliance/StudentView.vue'),
+        props: true,
+      },
+      {
+        path: 'classes/:classId/edit-student',
+        component: () => import('@/apps/classroom_compliance/EditStudentView.vue'),
+        props: true,
+      },
+      {
+        path: 'classes/:classId/import-students',
+        component: () => import('@/apps/classroom_compliance/ImportStudentsView.vue'),
+        props: true,
+      },
+    ],
+  }
+}

app/src/router/index.ts

@@ -1,13 +1,21 @@
-import { createRouter, createWebHistory } from 'vue-router'
+import { createRouter, createWebHistory, type RouteLocationNormalized } from 'vue-router'
 import HomeView from '@/views/HomeView.vue'
 import LoginView from '@/views/LoginView.vue'
 import { useAuthStore } from '@/stores/auth'
 import MyAccountView from '@/views/MyAccountView.vue'
+import { createClassroomComplianceRoutes } from '@/apps/classroom_compliance/router'
 
-function enforceAuth() {
+/**
+ * Ensures that only authenticate users can access a route.
+ * @param to The route the user is navigating to.
+ * @returns True if the user is authenticated. Otherwise, returns a redirect to
+ * the login page, so the user can login to access the page.
+ */
+export function enforceAuth(to: RouteLocationNormalized) {
   const authStore = useAuthStore()
-  if (!authStore.state) return '/login'
-  return true
+  if (authStore.state) return true
+  console.log(to.fullPath, to.path)
+  return '/login?next=' + encodeURIComponent(to.path)
 }
 
 const router = createRouter({
@@ -26,41 +34,7 @@ const router = createRouter({
       component: MyAccountView,
       beforeEnter: [enforceAuth],
     },
-    {
-      path: '/classroom-compliance',
-      component: () => import('@/apps/classroom_compliance/MainView.vue'),
-      beforeEnter: [enforceAuth],
-      children: [
-        {
-          path: '',
-          component: () => import('@/apps/classroom_compliance/ClassesView.vue'),
-        },
-        {
-          path: 'classes/:id',
-          component: () => import('@/apps/classroom_compliance/ClassView.vue'),
-          props: true,
-        },
-        {
-          path: 'edit-class',
-          component: () => import('@/apps/classroom_compliance/EditClassView.vue'),
-        },
-        {
-          path: 'classes/:classId/students/:studentId',
-          component: () => import('@/apps/classroom_compliance/StudentView.vue'),
-          props: true,
-        },
-        {
-          path: 'classes/:classId/edit-student',
-          component: () => import('@/apps/classroom_compliance/EditStudentView.vue'),
-          props: true,
-        },
-        {
-          path: 'classes/:classId/import-students',
-          component: () => import('@/apps/classroom_compliance/ImportStudentsView.vue'),
-          props: true,
-        },
-      ],
-    },
+    createClassroomComplianceRoutes(),
   ],
 })
 

app/src/views/LoginView.vue

@@ -2,7 +2,7 @@
 import { AuthenticationAPIClient } from '@/api/auth'
 import { useAuthStore } from '@/stores/auth'
 import { ref, type Ref } from 'vue'
-import { useRouter } from 'vue-router'
+import { useRoute, useRouter } from 'vue-router'
 
 interface Credentials {
   username: string
@@ -10,6 +10,7 @@ interface Credentials {
 }
 
 const router = useRouter()
+const route = useRoute()
 const authStore = useAuthStore()
 const credentials: Ref<Credentials> = ref({ username: '', password: '' })
 const apiClient = new AuthenticationAPIClient(authStore)
@@ -18,9 +19,13 @@ async function doLogin() {
   const user = await apiClient.login(credentials.value.username, credentials.value.password).handleErrorsWithAlert()
   if (user) {
     authStore.logIn(credentials.value.username, credentials.value.password, user)
+    if ('next' in route.query && typeof (route.query.next) === 'string') {
+      await router.replace(route.query.next)
+    } else {
       await router.replace('/')
     }
   }
+}
 </script>
 <template>
   <main>