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app/Models/Model.php

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+<?php
+
+namespace App\Models;
+
+use App\Core\Database;
+use PDO;
+
+abstract class Model
+{
+    protected static string $table;
+    protected static string $primaryKey = 'id';
+
+    /**
+     * @return array<int, static>
+     */
+    public static function all(): array
+    {
+        $stmt = Database::connection()->query('SELECT * FROM ' . static::$table);
+        $rows = $stmt->fetchAll();
+        return array_map(fn($row) => static::fromArray($row), $rows);
+    }
+
+    public static function find(int $id): ?static
+    {
+        $stmt = Database::connection()->prepare('SELECT * FROM ' . static::$table . ' WHERE ' . static::$primaryKey . ' = :id LIMIT 1');
+        $stmt->execute(['id' => $id]);
+        $row = $stmt->fetch();
+        if (!$row) {
+            return null;
+        }
+        return static::fromArray($row);
+    }
+
+    /**
+     * @param array<string, mixed> $attributes
+     */
+    abstract protected static function fromArray(array $attributes): static;
+}

app/Models/User.php

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+<?php
+
+namespace App\Models;
+
+class User extends Model
+{
+    protected static string $table = 'users';
+
+    public int $id;
+    public string $role;
+    public string $name;
+    public string $email;
+    public string $pass_hash;
+    public ?string $phone;
+    public ?string $address;
+    public ?int $customer_id;
+    public bool $is_active;
+    public ?string $twofa_secret;
+    public string $created_at;
+    public string $updated_at;
+
+    /**
+     * @param array<string, mixed> $attributes
+     */
+    protected static function fromArray(array $attributes): static
+    {
+        $user = new static();
+        $user->id = (int) $attributes['id'];
+        $user->role = (string) $attributes['role'];
+        $user->name = (string) $attributes['name'];
+        $user->email = (string) $attributes['email'];
+        $user->pass_hash = (string) $attributes['pass_hash'];
+        $user->phone = $attributes['phone'] ?? null;
+        $user->address = $attributes['address'] ?? null;
+        $user->customer_id = isset($attributes['customer_id']) ? (int) $attributes['customer_id'] : null;
+        $user->is_active = (bool) $attributes['is_active'];
+        $user->twofa_secret = $attributes['twofa_secret'] ?? null;
+        $user->created_at = (string) $attributes['created_at'];
+        $user->updated_at = (string) $attributes['updated_at'];
+        return $user;
+    }
+
+    public static function findByEmail(string $email): ?self
+    {
+        $stmt = \App\Core\Database::connection()->prepare('SELECT * FROM users WHERE email = :email LIMIT 1');
+        $stmt->execute(['email' => $email]);
+        $row = $stmt->fetch();
+        if (!$row) {
+            return null;
+        }
+
+        return self::fromArray($row);
+    }
+}