linux_yz_door/jni/core/WeatherManager.cpp

/*
 * WeatherManager.cpp
 *
 *  Created on: 2021年10月30日
 *      Author: Administrator
 */

#include "WeatherManager.h"

#include "utils/log.h"
#include "json/json.h"
#include "net/NetManager.h"
#include "storage/storagePreferences.h"
#include "base/http_client.h"
#include <unistd.h>

#define TABLESIZE(ptr) sizeof(ptr)/sizeof(ptr[0])

WeatherManager::WeatherManager() {
	// TODO 自动生成的构造函数存根
	//m_city = "深圳";
	m_city = StoragePreferences::getString("city", "深圳");
	updateUiCb = NULL;
	bforceSync = 1;
	//启动线程每两小时同步天气一次
	run();
}

WeatherManager::~WeatherManager() {
	// TODO 自动生成的析构函数存根
}

WeatherManager* WeatherManager::getInstance(void)
{
	static WeatherManager WM;
	return &WM;
}

void WeatherManager::setCityName(const std::string city)
{
	m_city = city;
}

const std::string WeatherManager::getCityName(void)
{
	return m_city;
}

void WeatherManager::setTemperature(const std::string temperature)
{
	m_temperature = temperature;
}

const std::string WeatherManager::getTemperature(void)
{
	return m_temperature;
}

void WeatherManager::setWeather(const std::string weather)
{
	m_weather = weather;
}

const std::string WeatherManager::getWeather(void)
{
	return m_weather;
}

void WeatherManager::setWeaIcon(const std::string weaIcon)
{
	m_weaIcon = weaIcon;
}

const std::string WeatherManager::getWeaIcon(void)
{
	return m_weaIcon;
}

const int WeatherManager::syncWeather(void)
{
	LOGD("--%d-- --%s-- 准备同步天气信息！！", __LINE__, __FILE__);
	sleep(500);
	if(true == m_city.empty())
	{
		LOGD("--%d-- --%s--\n 城市名为空！！", __LINE__, __FILE__);
		return 1;
	}

	if(!NETMANAGER->getEthernetManager()->isConnected()){

		return 1;
	}
 	//发起HTTP GET请求
	char url[1024]={0};
	snprintf(url,TABLESIZE(url),"http://apis.juhe.cn/simpleWeather/query?city=%s&key=447439c56372ed79fb27581ebeba95dd", m_city.c_str());
	LOGD("sync weather:%s \n",url);
	base::HttpClient client;
	client.SetTimeout(5000);
	base::HttpRequest request("GET", url, "");
	base::HttpResponse r = client.Do(request);
	//将内容以文本形式显示出来
	if(200 == r.StatusCode())
	{
		LOGD("--%d-- --%s--\n r.code=%d 查询成功！！", __LINE__, __FILE__, r.StatusCode());
		if(StoragePreferences::getString("city", "深圳") != m_city){
			StoragePreferences::putString("city", m_city);
		}
	}
	else
	{
		LOGD("--%d-- --%s--\n r.code=%d 查询失败！！", __LINE__, __FILE__, r.StatusCode());
		return 1;
	}

	try{
		//解析json
		Json::Reader reader;
		Json::Value root2;
		if (reader.parse(r.Body(), root2, false))
		{
			//天气信息包含在result中
			if (root2.isMember("result"))
			{
				Json::Value sub1 = root2["result"];
				if (sub1.isObject()) {
				  if (sub1.isMember("city")) {
					  m_city = sub1["city"].asString();
				  }
				  if (sub1.isMember("realtime")) {
					  Json::Value sub2 = sub1["realtime"];
					  if (sub2.isObject()) {
						  if (sub2.isMember("temperature")) {
							  m_temperature = sub2["temperature"].asString();
						  }
						  if (sub2.isMember("info")) {
							  m_weather = sub2["info"].asString();
						  }
						  if (sub2.isMember("wid")) {
							  m_weaIcon = sub2["wid"].asString();
						  }
					  }
				  }
				}
			}
			LOGD("--%d-- --%s--\n 城市：%s 温度：%s 天气：%s 天气图标：%s", __LINE__, __FILE__,
					m_city.c_str(), m_temperature.c_str(), m_weather.c_str(), m_weaIcon.c_str());
		}
		else
		{
			LOGD("--%d-- --%s--\n 解析失败！！", __LINE__, __FILE__);
			return 1;
		}
	}catch(int e){
		LOGD("get weather get error \n");
		return 0;
	}
	LOGD("--%d-- --%s-- 准备更新UI！！", __LINE__, __FILE__);
	//同步UI
	if(NULL != updateUiCb)
	{
		updateUiCb(NULL);
	}
	LOGD("--%d-- --%s-- 同步天气信息完毕！！", __LINE__, __FILE__);
	return 0;
}

bool WeatherManager::threadLoop() {
  //同步天气,城市名称为空则返回
  if (true == getCityName().empty()) {
    sleep(100);
    return true;
  }
  if (!((NETMANAGER->getWifiManager() && NETMANAGER->getWifiManager()->isConnected()) ||
  (NETMANAGER->getEthernetManager() && NETMANAGER->getEthernetManager()->isConnected()))) {
    sleep(100);
    return true;
  }

  sleep(100);
  syncWeather();
  bforceSync = 0;
  //每两个小时同步一次
  for (int level1 = 0; level1 < 2 * 60 * 60 * 10; ++level1) {
    //检查是否有退出线程的请求，如果有，则返回false，立即退出线程
    if (exitPending()) {
      return false;
    }
    sleep(100);
    if (bforceSync) {
      break;
    }
  }
  return true;
}