feat: add student deletion functionality with confirmation dialog

backend/app/Http/Controllers/Auth/RegisteredUserController.php

@@ -26,7 +26,7 @@ class RegisteredUserController extends Controller
         $password = bin2hex(random_bytes(16));
 
         $request->validate([
-            'email' => ['required', 'string', 'lowercase', 'email', 'max:255', 'unique:'.User::class],
+            'email' => ['required', 'string', 'lowercase', 'email', 'max:255', 'unique:' . User::class],
             'first_name' => ['required', 'string', 'max:64'],
             'last_name' => ['required', 'string', 'max:64'],
             'phone' => ['required', 'string', 'max:13'],
@@ -56,14 +56,14 @@ class RegisteredUserController extends Controller
             'password' => Hash::make($password),
         ]);
 
-        if($user->role === "STUDENT") {
+        if ($user->role === "STUDENT") {
             StudentData::create([
                 'user_id' => $user->id,
                 'address' => $request->student_data['address'],
                 'personal_email' => $request->student_data['personal_email'],
                 'study_field' => $request->student_data['study_field'],
             ]);
-        } else if($user->role === "EMPLOYER") {
+        } else if ($user->role === "EMPLOYER") {
             Company::create([
                 'name' => $request->company_data['name'],
                 'address' => $request->company_data['address'],
@@ -79,7 +79,8 @@ class RegisteredUserController extends Controller
         return response()->noContent();
     }
 
-    public function reset_password(Request $request): Response {
+    public function reset_password(Request $request): Response
+    {
         $request->validate([
             'email' => ['required', 'string', 'lowercase', 'email', 'max:255'],
         ]);
@@ -97,4 +98,22 @@ class RegisteredUserController extends Controller
 
         return response()->noContent();
     }
+
+    public function reset_password_2(Request $request): Response
+    {
+        $request->validate([
+            'id' => ['required', 'string', 'lowercase', 'email', 'max:255'],
+            'password' => ['required', 'string', 'lowercase', 'email', 'max:255'],
+        ]);
+
+        $user = User::whereEmail($request->email)->first();
+        if (!$user) {
+            return response(status: 400);
+        }
+
+        $user->password = Hash::make($request->password);
+        $user->save();
+
+        return response()->noContent();
+    }
 }

backend/app/Http/Controllers/StudentDataController.php

@@ -4,7 +4,9 @@ namespace App\Http\Controllers;
 
 use App\Models\StudentData;
 use App\Models\User;
+use App\Models\InternshipStatus;
 use Illuminate\Http\Request;
+use Illuminate\Support\Facades\DB;
 
 class StudentDataController extends Controller
 {
@@ -168,4 +170,68 @@ class StudentDataController extends Controller
     {
         //
     }
+
+    /**
+     * Delete a student and all related data.
+     */
+    public function delete(int $id)
+    {
+        $user = auth()->user();
+
+        // Admin kontrola
+        if ($user->role !== 'ADMIN') {
+            abort(403, 'Unauthorized');
+        }
+
+        $student = User::find($id);
+
+        if (!$student) {
+            return response()->json([
+                'message' => 'No such student exists.'
+            ], 400);
+        }
+
+        if ($student->role !== 'STUDENT') {
+            return response()->json([
+                'message' => 'User is not a student.'
+            ], 400);
+        }
+
+        try {
+            DB::beginTransaction();
+
+            // 1. Získaj internship IDs
+            $internshipIds = $student->internships()->pluck('id')->toArray();
+
+            // 2. Vymaž internship statuses
+            if (!empty($internshipIds)) {
+                InternshipStatus::whereIn('internship_id', $internshipIds)->delete();
+            }
+
+            // 3. Vymaž internships
+            $student->internships()->delete();
+
+            // 4. Vymaž student_data
+            if ($student->studentData) {
+                $student->studentData()->delete();
+            }
+
+            // 5. Vymaž usera
+            $student->delete();
+
+            DB::commit();
+
+            return response()->json([
+                'message' => 'Student successfully deleted.'
+            ], 200);
+
+        } catch (\Exception $e) {
+            DB::rollBack();
+
+            return response()->json([
+                'message' => 'Error deleting student.',
+                'error' => $e->getMessage()
+            ], 500);
+        }
+    }
 }

backend/app/Models/Internship.php

@@ -25,4 +25,12 @@ class Internship extends Model
         'position_description',
         'agreement',
     ];
+
+    /**
+     * Get the statuses for the internship.
+     */
+    public function statuses()
+    {
+        return $this->hasMany(InternshipStatus::class, 'internship_id');
+    }
 }

backend/app/Models/User.php

@@ -57,4 +57,12 @@ class User extends Authenticatable
     {
         return $this->hasOne(StudentData::class, 'user_id');
     }
+
+    /**
+     * Get the internships for the user.
+     */
+    public function internships()
+    {
+        return $this->hasMany(Internship::class, 'user_id');
+    }
 }

backend/routes/api.php

@@ -26,6 +26,7 @@ Route::middleware(['auth:sanctum'])->prefix('/students')->group(function () {
     Route::get('/', [StudentDataController::class, 'all']);
     Route::get('/{id}', [StudentDataController::class, 'get']);
     Route::post('/{id}', [StudentDataController::class, 'update_all']);
+    Route::delete('/{id}', [StudentDataController::class, 'delete']);
 });
 
 Route::post('/password-reset', [RegisteredUserController::class, 'reset_password'])

frontend/app/pages/dashboard/admin/students/edit/[id].vue

@@ -14,6 +14,12 @@ const student = ref<User | null>(null);
 const loading = ref(true);
 const saving = ref(false);
 
+// Delete state
+const deleteDialog = ref(false);
+const deleteLoading = ref(false);
+const deleteError = ref<string | null>(null);
+const deleteSuccess = ref(false);
+
 const form = ref({
     name: '',
     email: '',
@@ -70,6 +76,49 @@ async function saveChanges() {
 function cancel() {
     navigateTo('/dashboard/admin/students');
 }
+
+// Funkcia na otvorenie delete dialogu
+const openDeleteDialog = () => {
+    deleteDialog.value = true;
+    deleteError.value = null;
+};
+
+// Funkcia na zatvorenie dialogu
+const closeDeleteDialog = () => {
+    deleteDialog.value = false;
+    deleteError.value = null;
+    deleteSuccess.value = false;
+};
+
+// Funkcia na vymazanie študenta
+const deleteStudent = async () => {
+    if (!studentId) return;
+
+    deleteLoading.value = true;
+    deleteError.value = null;
+
+    try {
+        await client(`/api/students/${studentId}`, {
+            method: 'DELETE'
+        });
+
+        deleteSuccess.value = true;
+
+        // Presmeruj na zoznam po 1.5 sekundách
+        setTimeout(() => {
+            navigateTo('/dashboard/admin/students');
+        }, 1500);
+
+    } catch (e) {
+        if (e instanceof FetchError) {
+            deleteError.value = e.response?._data?.message || 'Chyba pri mazaní študenta.';
+        } else {
+            deleteError.value = 'Neznáma chyba pri mazaní študenta.';
+        }
+    } finally {
+        deleteLoading.value = false;
+    }
+};
 </script>
 
 <template>
@@ -122,11 +171,53 @@ function cancel() {
                             <v-btn @click="cancel" :disabled="saving">
                                 Zrušiť
                             </v-btn>
+                            <v-spacer></v-spacer>
+                            <v-btn color="red" variant="outlined" @click="openDeleteDialog" :disabled="saving">
+                                Vymazať študenta
+                            </v-btn>
                         </v-card-actions>
                     </v-card>
                 </v-col>
             </v-row>
         </div>
+
+        <!-- Delete Confirmation Dialog -->
+        <v-dialog v-model="deleteDialog" max-width="500px">
+            <v-card>
+                <v-card-title class="text-h5">
+                    Potvrdiť vymazanie
+                </v-card-title>
+                <v-card-text>
+                    <p v-if="!deleteSuccess">
+                        Naozaj chcete vymazať študenta <strong>{{ student?.name }}</strong>?
+                    </p>
+                    <p v-if="!deleteSuccess" class="text-error mt-2">
+                        Táto akcia vymaže aj všetky súvisiace dáta (praxe, statusy, atď.) a <strong>nie je možné ju
+                            vrátiť späť</strong>.
+                    </p>
+
+                    <!-- Error message -->
+                    <v-alert v-if="deleteError" type="error" density="compact" class="mt-3">
+                        {{ deleteError }}
+                    </v-alert>
+
+                    <!-- Success message -->
+                    <v-alert v-if="deleteSuccess" type="success" density="compact" class="mt-3">
+                        Študent bol úspešne vymazaný. Presmerovanie...
+                    </v-alert>
+                </v-card-text>
+                <v-card-actions>
+                    <v-spacer></v-spacer>
+                    <v-btn color="grey" variant="text" @click="closeDeleteDialog" :disabled="deleteLoading">
+                        Zrušiť
+                    </v-btn>
+                    <v-btn color="red" variant="text" @click="deleteStudent" :loading="deleteLoading"
+                        :disabled="deleteSuccess">
+                        Vymazať
+                    </v-btn>
+                </v-card-actions>
+            </v-card>
+        </v-dialog>
     </v-container>
 </template>
 

frontend/app/pages/dashboard/admin/students/index.vue

@@ -22,8 +22,66 @@ const headers = [
     { title: 'Operácie', key: 'ops', align: 'middle' },
 ];
 
+const client = useSanctumClient();
+
 // Načítame všetkých študentov
 const { data: students, error } = await useSanctumFetch<User[]>('/api/students');
+
+// State pre delete dialog
+const deleteDialog = ref(false);
+const studentToDelete = ref<User | null>(null);
+const deleteLoading = ref(false);
+const deleteError = ref<string | null>(null);
+const deleteSuccess = ref(false);
+
+// Funkcia na otvorenie delete dialogu
+const openDeleteDialog = (student: User) => {
+    studentToDelete.value = student;
+    deleteDialog.value = true;
+    deleteError.value = null;
+};
+
+// Funkcia na zatvorenie dialogu
+const closeDeleteDialog = () => {
+    deleteDialog.value = false;
+    studentToDelete.value = null;
+    deleteError.value = null;
+    deleteSuccess.value = false;
+};
+
+// Funkcia na vymazanie študenta
+const deleteStudent = async () => {
+    if (!studentToDelete.value) return;
+
+    deleteLoading.value = true;
+    deleteError.value = null;
+
+    try {
+        await client(`/api/students/${studentToDelete.value.id}`, {
+            method: 'DELETE'
+        });
+
+        // Odstránime študenta zo zoznamu
+        if (students.value) {
+            const index = students.value.findIndex(s => s.id === studentToDelete.value!.id);
+            if (index > -1) {
+                students.value.splice(index, 1);
+            }
+        }
+
+        deleteSuccess.value = true;
+
+        // Zavri dialog po 1.5 sekundách
+        setTimeout(() => {
+            closeDeleteDialog();
+        }, 1500);
+
+    } catch (err: any) {
+        deleteError.value = err.data?.message || 'Chyba pri mazaní študenta.';
+    } finally {
+        deleteLoading.value = false;
+    }
+};
 </script>
 
 <template>
@@ -63,6 +121,8 @@ const { data: students, error } = await useSanctumFetch<User[]>('/api/students')
                             <td class="text-left">
                                 <v-btn class="m-1 op-btn" density="compact" append-icon="mdi-pencil" base-color="orange"
                                     :to="'/dashboard/admin/students/edit/' + item.id">Editovať</v-btn>
+                                <v-btn class="m-1 op-btn" density="compact" append-icon="mdi-delete" base-color="red"
+                                    @click="openDeleteDialog(item)">Vymazať</v-btn>
                             </td>
                         </tr>
                     </tbody>
@@ -72,6 +132,44 @@ const { data: students, error } = await useSanctumFetch<User[]>('/api/students')
                     class="mt-4"></v-alert>
             </div>
         </v-card>
+
+        <!-- Delete Confirmation Dialog -->
+        <v-dialog v-model="deleteDialog" max-width="500px">
+            <v-card>
+                <v-card-title class="text-h5">
+                    Potvrdiť vymazanie
+                </v-card-title>
+                <v-card-text>
+                    <p v-if="!deleteSuccess">
+                        Naozaj chcete vymazať študenta <strong>{{ studentToDelete?.name }}</strong>?
+                    </p>
+                    <p v-if="!deleteSuccess" class="text-error mt-2">
+                        Táto akcia vymaže aj všetky súvisiace dáta (praxe, statusy, atď.) a <strong>nie je možné ju
+                            vrátiť späť</strong>.
+                    </p>
+
+                    <!-- Error message -->
+                    <v-alert v-if="deleteError" type="error" density="compact" class="mt-3">
+                        {{ deleteError }}
+                    </v-alert>
+
+                    <!-- Success message -->
+                    <v-alert v-if="deleteSuccess" type="success" density="compact" class="mt-3">
+                        Študent bol úspešne vymazaný.
+                    </v-alert>
+                </v-card-text>
+                <v-card-actions>
+                    <v-spacer></v-spacer>
+                    <v-btn color="grey" variant="text" @click="closeDeleteDialog" :disabled="deleteLoading">
+                        Zrušiť
+                    </v-btn>
+                    <v-btn color="red" variant="text" @click="deleteStudent" :loading="deleteLoading"
+                        :disabled="deleteSuccess">
+                        Vymazať
+                    </v-btn>
+                </v-card-actions>
+            </v-card>
+        </v-dialog>
     </v-container>
 </template>