CameraMachine/app/service/base.js

'use strict';

const request = require('superagent');
const Service = require('egg').Service;

class BaseService extends Service {
  /*
   * ipc call
   */
  async ipcCall(method = '', ...params) {
    let result = {
      err: null,
      data: null
    };
    if (!method) {
      result.err = 'Method does not exist';
      return result;
    }

    const port = this.service.storage.getElectronIPCPort();
    const url  = 'localhost:' + port + '/send';
    try {
      const response = await request.post(url)
        .send({ cmd: method, params: params })
        .set('accept', 'json');
        
        result = JSON.parse(response.text);  
    } catch (err) {
      this.app.logger.error('[base] [ipcCall] request error:', err);
      result.err = 'request err';
    }
    this.app.logger.info('[base] [ipcCall] result:', result);

    return result;
  }
}

module.exports = BaseService;