Deploy: 2026-05-21 01:26:06

2026-05-21 01:26:06 +03:00
parent 146ebd7200
commit 16d494b4e1
13 changed files with 816 additions and 32 deletions
--- a/backend/app/Core/Validator.php
+++ b/backend/app/Core/Validator.php
@@ -0,0 +1,102 @@
+<?php
+
+namespace App\Core;
+
+/**
+ * Core Validation Engine
+ * Handles data validation before processing.
+ */
+class Validator
+{
+    private array $errors = [];
+
+    /**
+     * Validate an array of data against rules.
+     * Example rules: ['email' => 'required|email', 'password' => 'required|min:8']
+     */
+    public function validate(array $data, array $rules): bool
+    {
+        $this->errors = [];
+
+        foreach ($rules as $field => $ruleString) {
+            $rulesArray = explode('|', $ruleString);
+            $value = $data[$field] ?? null;
+
+            foreach ($rulesArray as $rule) {
+                $this->applyRule($field, $value, $rule);
+            }
+        }
+
+        return empty($this->errors);
+    }
+
+    /**
+     * Get validation errors.
+     */
+    public function getErrors(): array
+    {
+        return $this->errors;
+    }
+
+    /**
+     * Apply a specific rule to a field's value.
+     */
+    private function applyRule(string $field, $value, string $rule): void
+    {
+        // Parse rule with parameters (e.g., min:8)
+        $params = [];
+        if (strpos($rule, ':') !== false) {
+            list($rule, $paramStr) = explode(':', $rule, 2);
+            $params = explode(',', $paramStr);
+        }
+
+        switch ($rule) {
+            case 'required':
+                if ($value === null || trim((string)$value) === '') {
+                    $this->addError($field, "The {$field} field is required.");
+                }
+                break;
+
+            case 'email':
+                if ($value && !filter_var($value, FILTER_VALIDATE_EMAIL)) {
+                    $this->addError($field, "The {$field} must be a valid email address.");
+                }
+                break;
+
+            case 'min':
+                $min = (int)($params[0] ?? 0);
+                if ($value && strlen((string)$value) < $min) {
+                    $this->addError($field, "The {$field} must be at least {$min} characters.");
+                }
+                break;
+
+            case 'max':
+                $max = (int)($params[0] ?? 0);
+                if ($value && strlen((string)$value) > $max) {
+                    $this->addError($field, "The {$field} must not exceed {$max} characters.");
+                }
+                break;
+                
+            case 'numeric':
+                if ($value && !is_numeric($value)) {
+                    $this->addError($field, "The {$field} must be a number.");
+                }
+                break;
+                
+            case 'strong_password':
+                // At least 8 chars, 1 uppercase, 1 lowercase, 1 number
+                if ($value && !preg_match('/^(?=.*[a-z])(?=.*[A-Z])(?=.*\d).{8,}$/', $value)) {
+                    $this->addError($field, "The {$field} must be at least 8 characters long and contain uppercase, lowercase, and a number.");
+                }
+                break;
+        }
+    }
+
+    private function addError(string $field, string $message): void
+    {
+        if (!isset($this->errors[$field])) {
+            $this->errors[$field] = [];
+        }
+        $this->errors[$field][] = $message;
+    }
+}