first commit

src/Core/Model.php

@@ -0,0 +1,73 @@
+<?php
+
+namespace App\Core;
+
+abstract class Model
+{
+    protected static string $table = '';
+
+    protected static function db(): \PDO
+    {
+        return Database::getInstance();
+    }
+
+    public static function findAll(string $orderBy = 'id DESC'): array
+    {
+        $table = static::$table;
+        $stmt = static::db()->query("SELECT * FROM {$table} ORDER BY {$orderBy}");
+        return $stmt->fetchAll();
+    }
+
+    public static function find(int $id): ?array
+    {
+        $table = static::$table;
+        $stmt = static::db()->prepare("SELECT * FROM {$table} WHERE id = :id");
+        $stmt->execute(['id' => $id]);
+        $result = $stmt->fetch();
+        return $result ?: null;
+    }
+
+    public static function create(array $data): int
+    {
+        $table = static::$table;
+        $columns = implode(', ', array_keys($data));
+        $placeholders = ':' . implode(', :', array_keys($data));
+
+        $stmt = static::db()->prepare("INSERT INTO {$table} ({$columns}) VALUES ({$placeholders})");
+        $stmt->execute($data);
+        return (int) static::db()->lastInsertId();
+    }
+
+    public static function update(int $id, array $data): bool
+    {
+        $table = static::$table;
+        $set = implode(', ', array_map(fn($k) => "{$k} = :{$k}", array_keys($data)));
+
+        $data['id'] = $id;
+        $stmt = static::db()->prepare("UPDATE {$table} SET {$set} WHERE id = :id");
+        return $stmt->execute($data);
+    }
+
+    public static function delete(int $id): bool
+    {
+        $table = static::$table;
+        $stmt = static::db()->prepare("DELETE FROM {$table} WHERE id = :id");
+        return $stmt->execute(['id' => $id]);
+    }
+
+    public static function count(string $where = '1=1', array $params = []): int
+    {
+        $table = static::$table;
+        $stmt = static::db()->prepare("SELECT COUNT(*) FROM {$table} WHERE {$where}");
+        $stmt->execute($params);
+        return (int) $stmt->fetchColumn();
+    }
+
+    public static function where(string $condition, array $params = [], string $orderBy = 'id DESC'): array
+    {
+        $table = static::$table;
+        $stmt = static::db()->prepare("SELECT * FROM {$table} WHERE {$condition} ORDER BY {$orderBy}");
+        $stmt->execute($params);
+        return $stmt->fetchAll();
+    }
+}