希腊短信最佳实践、合规性和功能

import { Twilio } from 'twilio';

// Initialize Twilio client with credentials
const client = new Twilio(
  process.env.TWILIO_ACCOUNT_SID,
  process.env.TWILIO_AUTH_TOKEN
);

async function sendSMSToGreece(
  to: string,
  message: string,
  senderId: string
): Promise<void> {
  try {
    // Ensure number is in E.164 format for Greece (+30)
    const formattedNumber = to.startsWith('+30') ? to : `+30${to}`;
    
    const response = await client.messages.create({
      body: message,
      from: senderId, // Alphanumeric sender ID or Twilio number
      to: formattedNumber,
      // Optional parameters for delivery tracking
      statusCallback: 'https://your-webhook.com/status'
    });
    
    console.log(`Message sent successfully! SID: ${response.sid}`);
  } catch (error) {
    console.error('Error sending message:', error);
    throw error;
  }
}

import axios from 'axios';

class SinchSMSClient {
  private readonly apiToken: string;
  private readonly serviceId: string;
  private readonly baseUrl = 'https://sms.api.sinch.com/xms/v1';

  constructor(apiToken: string, serviceId: string) {
    this.apiToken = apiToken;
    this.serviceId = serviceId;
  }

  async sendSMS(to: string, message: string, senderId: string): Promise<void> {
    try {
      const response = await axios.post(
        `${this.baseUrl}/${this.serviceId}/batches`,
        {
          from: senderId,
          to: [to],
          body: message,
          // Greek character support
          encoding: 'AUTO'
        },
        {
          headers: {
            'Authorization': `Bearer ${this.apiToken}`,
            'Content-Type': 'application/json'
          }
        }
      );
      
      console.log('Message sent:', response.data.id);
    } catch (error) {
      console.error('Sinch SMS error:', error);
      throw error;
    }
  }
}

import messagebird from 'messagebird';

class MessageBirdClient {
  private client: any;

  constructor(apiKey: string) {
    this.client = messagebird(apiKey);
  }

  sendSMS(
    to: string,
    message: string,
    senderId: string
  ): Promise<any> {
    return new Promise((resolve, reject) => {
      this.client.messages.create({
        originator: senderId,
        recipients: [to],
        body: message,
        // Enable delivery reports
        reportUrl: 'https://your-webhook.com/delivery',
        // Greek language support
        type: 'unicode'
      }, (err: any, response: any) => {
        if (err) {
          reject(err);
        } else {
          resolve(response);
        }
      });
    });
  }
}

// Example rate limiting implementation
class RateLimiter {
  private queue: Array<() => Promise<void>> = [];
  private processing: boolean = false;
  private readonly rateLimit: number;
  private readonly interval: number;

  constructor(rateLimit: number, intervalMs: number) {
    this.rateLimit = rateLimit;
    this.interval = intervalMs;
  }

  async add(task: () => Promise<void>): Promise<void> {
    this.queue.push(task);
    if (!this.processing) {
      this.processing = true;
      await this.processQueue();
    }
  }

  private async processQueue(): Promise<void> {
    while (this.queue.length > 0) {
      const batch = this.queue.splice(0, this.rateLimit);
      await Promise.all(batch.map(task => task()));
      await new Promise(resolve => setTimeout(resolve, this.interval));
    }
    this.processing = false;
  }
}

interface SMSError {
  code: string;
  message: string;
  timestamp: Date;
  recipient: string;
}

class SMSErrorHandler {
  private errors: SMSError[] = [];

  logError(error: SMSError): void {
    this.errors.push(error);
    // Implement your logging logic here
    console.error(`SMS Error [${error.code}]: ${error.message}`);
  }

  async retryFailedMessages(
    smsClient: any,
    maxRetries: number = 3
  ): Promise<void> {
    // Implement retry logic for failed messages
  }
}