feat: Lernapp mit Mathe/Deutsch/Englisch, Münzsystem und Belohnungen

app/Models/AnswerOption.php

@@ -0,0 +1,9 @@
+<?php
+namespace App\Models;
+use Illuminate\Database\Eloquent\Model;
+class AnswerOption extends Model {
+    public $timestamps = false;
+    protected $fillable = ['question_id','text','is_correct','sort_order'];
+    protected $casts = ['is_correct' => 'boolean'];
+    public function question() { return $this->belongsTo(Question::class); }
+}

app/Models/Question.php

@@ -0,0 +1,13 @@
+<?php
+namespace App\Models;
+use Illuminate\Database\Eloquent\Model;
+class Question extends Model {
+    protected $fillable = ['subject_id','question_text','type','difficulty','points_value','active'];
+    protected $casts = ['active' => 'boolean'];
+    public function subject() { return $this->belongsTo(Subject::class); }
+    public function answerOptions() { return $this->hasMany(AnswerOption::class)->orderBy('sort_order'); }
+    public function attempts() { return $this->hasMany(QuestionAttempt::class); }
+    public function difficultyStars(): string {
+        return str_repeat('⭐', $this->difficulty);
+    }
+}

app/Models/QuestionAttempt.php

@@ -0,0 +1,10 @@
+<?php
+namespace App\Models;
+use Illuminate\Database\Eloquent\Model;
+class QuestionAttempt extends Model {
+    public $timestamps = false;
+    protected $fillable = ['user_id','question_id','is_correct','points_earned'];
+    protected $casts = ['is_correct' => 'boolean', 'created_at' => 'datetime'];
+    public function user() { return $this->belongsTo(User::class); }
+    public function question() { return $this->belongsTo(Question::class); }
+}

app/Models/Reward.php

@@ -0,0 +1,8 @@
+<?php
+namespace App\Models;
+use Illuminate\Database\Eloquent\Model;
+class Reward extends Model {
+    protected $fillable = ['name','description','icon','points_cost','minutes','active'];
+    protected $casts = ['active' => 'boolean'];
+    public function redemptions() { return $this->hasMany(RewardRedemption::class); }
+}

app/Models/RewardRedemption.php

@@ -0,0 +1,10 @@
+<?php
+namespace App\Models;
+use Illuminate\Database\Eloquent\Model;
+class RewardRedemption extends Model {
+    protected $fillable = ['user_id','reward_id','status','points_spent','note','resolved_at','resolved_by'];
+    protected $casts = ['resolved_at' => 'datetime'];
+    public function user() { return $this->belongsTo(User::class); }
+    public function reward() { return $this->belongsTo(Reward::class); }
+    public function resolver() { return $this->belongsTo(User::class, 'resolved_by'); }
+}

app/Models/Subject.php

@@ -0,0 +1,8 @@
+<?php
+namespace App\Models;
+use Illuminate\Database\Eloquent\Model;
+class Subject extends Model {
+    protected $fillable = ['name','slug','icon','color'];
+    public function questions() { return $this->hasMany(Question::class); }
+    public function activeQuestions() { return $this->questions()->where('active', true); }
+}

app/Models/User.php

@@ -1,32 +1,35 @@
 <?php
-
 namespace App\Models;
-
-// use Illuminate\Contracts\Auth\MustVerifyEmail;
-use Database\Factories\UserFactory;
-use Illuminate\Database\Eloquent\Attributes\Fillable;
-use Illuminate\Database\Eloquent\Attributes\Hidden;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Foundation\Auth\User as Authenticatable;
 use Illuminate\Notifications\Notifiable;
-
-#[Fillable(['name', 'email', 'password'])]
-#[Hidden(['password', 'remember_token'])]
-class User extends Authenticatable
-{
-    /** @use HasFactory<UserFactory> */
+class User extends Authenticatable {
     use HasFactory, Notifiable;
+    protected $fillable = ['name','email','password','role','points'];
+    protected $hidden = ['password','remember_token'];
+    protected $casts = ['email_verified_at' => 'datetime', 'password' => 'hashed'];
 
-    /**
-     * Get the attributes that should be cast.
-     *
-     * @return array<string, string>
-     */
-    protected function casts(): array
-    {
-        return [
-            'email_verified_at' => 'datetime',
-            'password' => 'hashed',
-        ];
+    public function isAdmin(): bool { return $this->role === 'admin'; }
+    public function isChild(): bool { return $this->role === 'child'; }
+
+    public function attempts() { return $this->hasMany(QuestionAttempt::class); }
+    public function redemptions() { return $this->hasMany(RewardRedemption::class); }
+
+    public function level(): array {
+        $p = $this->points;
+        if ($p >= 600) return ['label' => 'Meister',       'icon' => '👑', 'color' => 'text-yellow-500', 'next' => null,  'progress' => 100];
+        if ($p >= 300) return ['label' => 'Wissensprofi',  'icon' => '🌟', 'color' => 'text-purple-500', 'next' => 600,   'progress' => (int)(($p-300)/3)];
+        if ($p >= 100) return ['label' => 'Lernstar',      'icon' => '⭐', 'color' => 'text-blue-500',   'next' => 300,   'progress' => (int)(($p-100)/2)];
+        return             ['label' => 'Anfänger',         'icon' => '🌱', 'color' => 'text-green-500',  'next' => 100,   'progress' => $p];
+    }
+
+    public function currentStreak(): int {
+        $last = $this->attempts()->latest('id')->take(10)->get();
+        $streak = 0;
+        foreach ($last as $a) {
+            if (!$a->is_correct) break;
+            $streak++;
+        }
+        return $streak;
     }
 }