Initial Commit

core/Model.php

@@ -0,0 +1,65 @@
+<?php
+
+namespace Core;
+
+use PDO;
+
+abstract class Model
+{
+    protected static string $table;
+    protected PDO $db;
+
+    public function __construct()
+    {
+        $this->db = Database::getConnection();
+    }
+
+    public function all(): array
+    {
+        $stmt = $this->db->query("SELECT * FROM " . static::$table . " ORDER BY id DESC");
+        return $stmt->fetchAll();
+    }
+
+    public function find(int $id): ?array
+    {
+        $stmt = $this->db->prepare("SELECT * FROM " . static::$table . " WHERE id = ?");
+        $stmt->execute([$id]);
+        $result = $stmt->fetch();
+        return $result ?: null;
+    }
+
+    public function create(array $data): int
+    {
+        $columns = implode(', ', array_keys($data));
+        $placeholders = implode(', ', array_fill(0, count($data), '?'));
+
+        $sql = "INSERT INTO " . static::$table . " ($columns) VALUES ($placeholders)";
+        $stmt = $this->db->prepare($sql);
+        $stmt->execute(array_values($data));
+
+        return (int)$this->db->lastInsertId();
+    }
+
+    public function update(int $id, array $data): bool
+    {
+        $set = implode(', ', array_map(fn($col) => "$col = ?", array_keys($data)));
+        $sql = "UPDATE " . static::$table . " SET $set WHERE id = ?";
+
+        $stmt = $this->db->prepare($sql);
+        return $stmt->execute([...array_values($data), $id]);
+    }
+
+    public function delete(int $id): bool
+    {
+        $stmt = $this->db->prepare("DELETE FROM " . static::$table . " WHERE id = ?");
+        return $stmt->execute([$id]);
+    }
+
+    public function where(string $column, $value): array
+    {
+        $stmt = $this->db->prepare("SELECT * FROM " . static::$table . " WHERE $column = ?");
+        $stmt->execute([$value]);
+        return $stmt->fetchAll();
+    }
+}
+