lernapp/app/Models/User.php

<?php
namespace App\Models;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Foundation\Auth\User as Authenticatable;
use Illuminate\Notifications\Notifiable;
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'];

    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;
    }
}