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backend/services/verification-service.js

@@ -0,0 +1,83 @@
+const db = require('../db');
+const logger = require('../utils/logger');
+
+class VerificationService {
+  constructor() {
+    this.codeLength = 6;
+    this.expirationMinutes = 15;
+  }
+
+  // Генерация кода
+  generateCode() {
+    return Math.random().toString(36).substring(2, 2 + this.codeLength).toUpperCase();
+  }
+
+  // Создание кода верификации
+  async createVerificationCode(provider, providerId, userId) {
+    const code = this.generateCode();
+    const expiresAt = new Date(Date.now() + this.expirationMinutes * 60 * 1000);
+
+    try {
+      await db.query(
+        `INSERT INTO verification_codes 
+         (code, provider, provider_id, user_id, expires_at) 
+         VALUES ($1, $2, $3, $4, $5)`,
+        [code, provider, providerId, userId, expiresAt]
+      );
+
+      return code;
+    } catch (error) {
+      logger.error('Error creating verification code:', error);
+      throw error;
+    }
+  }
+
+  // Проверка кода
+  async verifyCode(code, provider, providerId) {
+    try {
+      const result = await db.query(
+        `SELECT * FROM verification_codes 
+         WHERE code = $1 
+         AND provider = $2 
+         AND provider_id = $3 
+         AND used = false 
+         AND expires_at > NOW()`,
+        [code, provider, providerId]
+      );
+
+      if (result.rows.length === 0) {
+        return { success: false, error: 'Неверный или истекший код' };
+      }
+
+      const verification = result.rows[0];
+
+      // Отмечаем код как использованный
+      await db.query(
+        'UPDATE verification_codes SET used = true WHERE id = $1',
+        [verification.id]
+      );
+
+      return {
+        success: true,
+        userId: verification.user_id,
+        providerId: verification.provider_id
+      };
+    } catch (error) {
+      logger.error('Error verifying code:', error);
+      throw error;
+    }
+  }
+
+  // Очистка истекших кодов
+  async cleanupExpiredCodes() {
+    try {
+      await db.query(
+        'DELETE FROM verification_codes WHERE expires_at <= NOW()'
+      );
+    } catch (error) {
+      logger.error('Error cleaning up expired codes:', error);
+    }
+  }
+}
+
+module.exports = new VerificationService();