first commit

app/Models/Model.php

@@ -0,0 +1,108 @@
+<?php
+
+namespace App\Models;
+
+use PDOException;
+
+abstract class Model
+{
+    protected \PDO $pdo;
+    protected string $table;
+    protected array $fillable = [];
+    protected array $hidden = [];
+    protected array $casts = [];
+
+    public function __construct(\PDO $pdo)
+    {
+        $this->pdo = $pdo;
+    }
+
+    public function find(int $id): ?array
+    {
+        $stmt = $this->pdo->prepare("SELECT * FROM {$this->table} WHERE id = :id");
+        $stmt->execute(['id' => $id]);
+        return $stmt->fetch(\PDO::FETCH_ASSOC) ?: null;
+    }
+
+    public function findAll(array $conditions = []): array
+    {
+        $whereClause = $this->buildWhereClause($conditions);
+        $sql = "SELECT * FROM {$this->table} {$whereClause['sql']}";
+        $stmt = $this->pdo->prepare($sql);
+        $stmt->execute($whereClause['params']);
+        return $stmt->fetchAll(\PDO::FETCH_ASSOC);
+    }
+
+    public function create(array $data): ?int
+    {
+        $filteredData = array_intersect_key($data, array_flip($this->fillable));
+        $columns = array_keys($filteredData);
+        $placeholders = array_map(fn($col) => ":$col", $columns);
+        $sql = "INSERT INTO {$this->table} (" . implode(', ', $columns) . ") VALUES (" . implode(', ', $placeholders) . ")";
+        $stmt = $this->pdo->prepare($sql);
+        $stmt->execute($filteredData);
+        return (int) $this->pdo->lastInsertId();
+    }
+
+    public function update(int $id, array $data): bool
+    {
+        $filteredData = array_intersect_key($data, array_flip($this->fillable));
+        if (empty($filteredData)) {
+            return false;
+        }
+
+        $setClause = array_map(fn($col) => "$col = :$col", array_keys($filteredData));
+        $sql = "UPDATE {$this->table} SET " . implode(', ', $setClause) . " WHERE id = :id";
+        $filteredData['id'] = $id;
+
+        $stmt = $this->pdo->prepare($sql);
+        return $stmt->execute($filteredData);
+    }
+
+    public function delete(int $id): bool
+    {
+        $stmt = $this->pdo->prepare("DELETE FROM {$this->table} WHERE id = :id");
+        return $stmt->execute(['id' => $id]);
+    }
+
+    public function count(array $conditions = []): int
+    {
+        $whereClause = $this->buildWhereClause($conditions);
+        $sql = "SELECT COUNT(*) FROM {$this->table} {$whereClause['sql']}";
+        $stmt = $this->pdo->prepare($sql);
+        $stmt->execute($whereClause['params']);
+        return (int) $stmt->fetchColumn();
+    }
+
+    protected function buildWhereClause(array $conditions): array
+    {
+        if (empty($conditions)) {
+            return ['sql' => '', 'params' => []];
+        }
+
+        $parts = [];
+        $params = [];
+
+        foreach ($conditions as $column => $value) {
+            if (is_array($value)) {
+                $parts[] = "$column IN (" . implode(', ', array_map(fn($k) => ":$column$k", array_keys($value))) . ")";
+                foreach ($value as $k => $v) {
+                    $params["$column$k"] = $v;
+                }
+            } else {
+                $parts[] = "$column = :$column";
+                $params[$column] = $value;
+            }
+        }
+
+        return [
+            'sql' => 'WHERE ' . implode(' AND ', $parts),
+            'params' => $params
+        ];
+    }
+
+    public function getTable(): string
+    {
+        return $this->table;
+    }
+}