fix: connect operations pages to real backend

api/src/channels/channels.service.ts

@@ -1,4 +1,4 @@
-import { Injectable, NotFoundException } from '@nestjs/common';
+import { BadRequestException, Injectable, NotFoundException } from '@nestjs/common';
 import { Prisma } from '@prisma/client';
 import { PrismaService } from '../prisma/prisma.service';
 
@@ -127,6 +127,17 @@ export class ChannelsService {
   }
 
   createChannel(data: CreateChannelDto) {
+    const missingFields = ['code', 'name', 'gatewayHost', 'gatewayPort', 'account', 'passwordCipher', 'srcId'].filter((field) => {
+      const value = data[field as keyof CreateChannelDto];
+      return value === undefined || value === null || value === '';
+    });
+    if (missingFields.length > 0) {
+      throw new BadRequestException(`Missing required channel fields: ${missingFields.join(', ')}`);
+    }
+    const gatewayPort = Number(data.gatewayPort);
+    if (!Number.isInteger(gatewayPort) || gatewayPort <= 0 || gatewayPort > 65535) {
+      throw new BadRequestException('gatewayPort must be an integer between 1 and 65535');
+    }
     return this.prisma.smsChannel.create({
       data: {
         code: data.code,
@@ -134,7 +145,7 @@ export class ChannelsService {
         carrier: data.carrier,
         protocol: data.protocol ?? 'CMPP',
         gatewayHost: data.gatewayHost,
-        gatewayPort: data.gatewayPort,
+        gatewayPort,
         enterpriseCode: data.enterpriseCode,
         account: data.account,
         passwordCipher: data.passwordCipher,