subject-two/entry/src/main/ets/common/utils/request.ts

import http from '@ohos.net.http';
import convertxml from '@ohos.convertxml';
import prompt from '@ohos.prompt'
import { GlobalConfig } from '../../config/index'

const config = {
  host: GlobalConfig.host,
}

/**
 * @author: Renjun Su
 * @date: 2023/2/20
 * @desc 接口请求封装
 * @param {method}
 * @param {xml} xml请求的数据 xml是字符串
 * @param {data} post请求的数据
 * @param {params} get请求的数据
 *
 */
// let httpRequest = http.createHttp();

export default async function request(req: any): Promise<any> {
  return new Promise((reslove, reject) => {
    let httpRequest = http.createHttp();
    const {url,params = {},data = {},xml,method = 'get',host,isNewCenter = false} = req;
    try {
      const options = {
        method: http.RequestMethod[method.toUpperCase()],
        header: {
          'Content-Type': xml ? 'text/xml' : 'application/json'
        },
        extraData: xml ? data : JSON.stringify(data),
        connectTimeout:15 * 1000
      }
      let paramsStr = Reflect.ownKeys(params).reduce((p: string, n: string) => (`${p}${n}=${params[n]}&`), '?') || '';
      paramsStr = paramsStr.toString();
      paramsStr = paramsStr.substring(0, paramsStr.length - 1)
      let baseUrl = host ? host : globalThis.host
      // let baseUrl=host?config.csptHost:config.host'
      console.log('响应头地址1' + baseUrl, url, options.extraData.length)
      // const {result,responseCode} = await
      httpRequest.request(`${baseUrl}${url}${paramsStr}`, {
        ...options
      })
        .then(async(data) => {
          const result = data.result
          console.log('响应头地址' + JSON.stringify(result))
          let res: any = xml ? xmlToJson(result, url) : result;
          console.log('响应头地址' + JSON.stringify(res))

          let resObj = null;
          if (typeof res === "string") {
            res = JSON.parse(res)
          }
          //处理中心服务code
          if (res.Envelope) {
            const msgXml = res.Envelope.Body.writeObjectOutResponse.return;
            //Envelope.Body.writeObjectOutResponse.return
            const dd = handleCenterCode(msgXml, isNewCenter);
            httpRequest.destroy();
            // @ts-ignore
            reslove(dd)
            return
          }

          if (!xml) {
            if (res.head.resultCode === '0') {
              // return res
              httpRequest.destroy();
              reslove(res)
              return
            } else {
              const resultMessage = res?.body?.resultMessage || res?.head?.resultMessage
              prompt.showToast({
                message: decodeURIComponent(resultMessage),
                duration: 3000
              });
              httpRequest.destroy();
              reject(false)
            }
          }
          for (let i in res) {
            resObj = res[i].head
          }
          console.info('jiangsong:res in request' + url + JSON.stringify(resObj))
          if (resObj.resultCode === '0') {
            httpRequest.destroy();
            reslove(res)
            return
          } else {
            prompt.showToast({
              message: decodeURIComponent(resObj.resultMessage),
              duration: 3000
            });
            httpRequest.destroy();
            reject(res)
          }
        }).catch(Error=>{
        console.info('test-error0' + url + ' error:resp: ' + JSON.stringify(Error.message))
        prompt.showToast({
          message: Error?.message,
          duration: 5000
        });
        reject(Error)
      })
      // fileUtil.editFile(`${folderPath}/request.txt`, JSON.stringify(arrList))
      // writeLog({
      //     time:dateFormat(new Date()),
      //     url,
      //     result:JSON.stringify(result),
      //     extraData: JSON.stringify(data),
      //     state:'end'
      // })

    } catch (e) {
      console.info('test-error' + url + ' error:resp: ' + JSON.stringify(e))
      if (!e || !(e?.message)) {
        httpRequest.destroy();
        reject({
          code: -1
        })
        // httpRequest.destroy();
        // return {code:-1}
      }
      prompt.showToast({
        message: e?.message,
        duration: 5000
      });
      reject({
        code: e.code
      })
      // return {code:e.code}
      // return {code:e.code}
      // httpRequest.destroy();

    }
  })


}



//xml格式转JSON
function xmlToJson(result, url) {
  console.log("xmlToJson begin", url);
  let xmlOptions = {
    trim: false,
    declarationKey: "_declaration",
    instructionKey: "_instruction",
    attributesKey: "_attributes",
    textKey: "_text",
    cdataKey: "_cdata",
    doctypeKey: "_doctype",
    commentKey: "_comment",
    parentKey: "_parent",
    typeKey: "_type",
    nameKey: "_name",
    elementsKey: "_elements",
    "skipPreprocess": true
  }

  let strXml = result.toString();
  let conv = new convertxml.ConvertXML();

  console.log("xmlToJson result.length = " + result.length);
  console.log("xmlToJson result content = " + result);
  // @ts-ignore
  let {_elements:xmlArr} = conv.convertToJSObject(strXml, xmlOptions);
  console.log("xmlToJson deeml begin");
  let res = deeml(xmlArr);
  console.log("xmlToJson end", url);
  return res
}

//处理中心服务code
function handleCenterCode(msgXml, isNewCenter) {
  //新监管
  if (isNewCenter) {
    const msg = JSON.parse(msgXml);
    const result = msg?.data[0]?.result;
    if (result) {
      const {code,message,retval} = result
      if (code != '1') {
        const rMessage = decodeURIComponent(message as string)
        // globalThis.title=rMessage
        // globalThis.type='1'
        // globalThis.errorDialog.open()
        prompt.showToast({
          message: rMessage,
          duration: 3000
        });
        return { code, message }
      } else {
        return { code, keystr: retval }
      }
    }
  }

  //正则匹配code message字段
  const [code, message, keystr] = [/<code>(.*)<\/code>/i, /<message>(.*)<\/message>/i, /<keystr>(.*)<\/keystr>/i].map(pattern => {
    const patternArr = pattern.exec(msgXml);
    return patternArr && patternArr[1]
  });

  if (code != '1') {
    prompt.showToast({
      message: decodeURIComponent(message as string),
      duration: 3000
    });
    // globalThis.type='1'
    // globalThis.title=decodeURIComponent(message as string)
    // globalThis.errorDialog.open()
    return { code, message: decodeURIComponent(message) }
  } else {
    return { code, keystr, message }
  }
}

//JSON转xml格式
const deeml = (elements, _name?) => {
  const json = {}

  elements.map(ele => {
    const _elements = ele._elements
    if (ele._type === 'element') {
      if (_elements == undefined) {
        return
      }
      const thisJson = json[ele._name]
      if (_elements && _elements.length === 1 && _elements[0]._type === 'text') {
        // 如果值存在了
        if (thisJson) {
          handleCommonArr(_elements[0]._text)
        } else {
          json[ele._name] = _elements[0]._text
        }
      } else {
        if (thisJson) {
          handleCommonArr(deeml(ele._elements, ele._name))
        } else {
          json[ele._name] = deeml(ele._elements, ele._name)
        }
      }

      //通用处理重复标签
      function handleCommonArr(obj) {
        if (thisJson) {
          if (Array.isArray(thisJson)) {
            json[ele._name].push(obj)
          } else {
            json[ele._name] = [json[ele._name], obj]
          }
        } else {
          json[ele._name] = obj
        }
      }

      0
    } else {
      //标签上有属性
      if (ele._attributes) {
        json[_name] = {
          value: ele._text,
          attributes: ele.__attributes
        }
      }
    }

  });
  return json
};

function isEmpty(param) {
  return !Object.keys(param).length;
}