feat: Add user level and experience attributes, and implement reward, task, and quest models with corresponding controllers and migrations

backend/app/Http/Controllers/AuthController.php

@@ -0,0 +1,60 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\User;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Hash;
+
+class AuthController extends Controller
+{
+    public function register(Request $request)
+    {
+        $request->validate([
+            'name' => 'required',
+            'email' => 'required|email|unique:users',
+            'password' => 'required|min:6'
+        ]);
+
+        $user = User::create([
+            'name' => $request->name,
+            'email' => $request->email,
+            'password' => Hash::make($request->password),
+            'level' => 1,
+            'xp' => 0
+        ]);
+
+        $token = $user->createToken('api_token')->plainTextToken;
+
+        return response()->json([
+            'user' => $user,
+            'token' => $token
+        ], 201);
+    }
+
+    public function login(Request $request)
+    {
+        $request->validate([
+            'email' => 'required|email',
+            'password' => 'required'
+        ]);
+
+        $user = User::where('email', $request->email)->first();
+
+        if (!$user || !Hash::check($request->password, $user->password)) {
+            return response()->json(['message' => 'Invalid credentials'], 401);
+        }
+
+        $token = $user->createToken('api_token')->plainTextToken;
+
+        return response()->json([
+            'token' => $token,
+            'user' => $user
+        ]);
+    }
+
+    public function me(Request $request)
+    {
+        return response()->json(['user' => $request->user()]);
+    }
+}

backend/app/Http/Controllers/QuestController.php

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+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\Quest;
+use App\Models\Task;
+use Illuminate\Http\Request;
+
+class QuestController extends Controller
+{
+    public function index(Request $request)
+    {
+        $quests = Quest::where('user_id', $request->user()->id)->where('is_completed', false)->get();
+        return response()->json($quests);
+    }
+
+    public function generate(Request $request)
+    {
+        // Vereinfachte Logik: Nimmt die letzten 5 offenen Tasks und macht daraus Quests
+        $tasks = Task::where('user_id', $request->user()->id)->limit(5)->get();
+
+        $quests = [];
+        foreach ($tasks as $task) {
+            $quests[] = Quest::create([
+                'user_id' => $request->user()->id,
+                'task_id' => $task->id,
+                'title' => $task->title,
+                'category' => $task->category,
+                'due_date' => $task->due_date,
+                'xp_reward' => 50,
+                'is_completed' => false
+            ]);
+        }
+
+        return response()->json($quests, 201);
+    }
+
+    public function complete(Request $request, $id)
+    {
+        $quest = Quest::where('user_id', $request->user()->id)->findOrFail($id);
+
+        if ($quest->is_completed) {
+            return response()->json(['message' => 'Quest already completed'], 400);
+        }
+
+        // Mark as completed
+        $quest->update(['is_completed' => true]);
+
+        $user = $request->user();
+        $user->xp += $quest->xp_reward;
+
+        // Level-Up Check (vereinfachte Logik)
+        $xpForNextLevel = $user->level * 100;
+        $levelUp = false;
+        while ($user->xp >= $xpForNextLevel) {
+            $user->level += 1;
+            $user->xp = $user->xp - $xpForNextLevel;
+            $xpForNextLevel = $user->level * 100;
+            $levelUp = true;
+        }
+        $user->save();
+
+        return response()->json([
+            'quest' => $quest,
+            'xp_gained' => $quest->xp_reward,
+            'new_level' => $user->level,
+            'level_up' => $levelUp
+        ]);
+    }
+}

backend/app/Http/Controllers/RewardController.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\Reward;
+use Illuminate\Http\Request;
+
+class RewardController extends Controller
+{
+    public function index(Request $request)
+    {
+        $rewards = Reward::all();
+        return response()->json($rewards);
+    }
+
+    public function unlocked(Request $request)
+    {
+        $user = $request->user();
+        $unlocked = $user->belongsToMany(Reward::class, 'reward_user')->get();
+        return response()->json($unlocked);
+    }
+}

backend/app/Http/Controllers/TaskController.php

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+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\Task;
+use Illuminate\Http\Request;
+
+class TaskController extends Controller
+{
+    public function index(Request $request)
+    {
+        $tasks = Task::where('user_id', $request->user()->id)->get();
+        return response()->json($tasks);
+    }
+
+    public function store(Request $request)
+    {
+        $request->validate([
+            'title' => 'required',
+            'category' => 'in:daily,weekend,vacation,work',
+            'priority' => 'in:low,medium,high'
+        ]);
+
+        $task = Task::create([
+            'user_id' => $request->user()->id,
+            'title' => $request->title,
+            'description' => $request->description,
+            'category' => $request->category ?? 'daily',
+            'priority' => $request->priority ?? 'medium',
+            'due_date' => $request->due_date
+        ]);
+
+        return response()->json($task, 201);
+    }
+
+    public function show(Request $request, $id)
+    {
+        $task = Task::where('user_id', $request->user()->id)->findOrFail($id);
+        return response()->json($task);
+    }
+
+    public function update(Request $request, $id)
+    {
+        $task = Task::where('user_id', $request->user()->id)->findOrFail($id);
+
+        $task->update($request->only('title', 'description', 'category', 'priority', 'due_date'));
+
+        return response()->json($task);
+    }
+
+    public function destroy(Request $request, $id)
+    {
+        $task = Task::where('user_id', $request->user()->id)->findOrFail($id);
+        $task->delete();
+        return response()->noContent();
+    }
+}

backend/app/Http/Controllers/UserController.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\Reward;
+use Illuminate\Http\Request;
+
+class UserController extends Controller
+{
+    public function status(Request $request)
+    {
+        $user = $request->user();
+        $xpForNextLevel = $user->level * 100;
+
+        // Finde noch nicht freigeschaltete Rewards, die in Reichweite sind
+        $upcomingRewards = Reward::where('unlocked_at_level', '>', $user->level)->limit(5)->get();
+
+        return response()->json([
+            'level' => $user->level,
+            'xp' => $user->xp,
+            'xp_for_next_level' => $xpForNextLevel,
+            'upcoming_rewards' => $upcomingRewards
+        ]);
+    }
+}