146 lines
3.9 KiB
C++
146 lines
3.9 KiB
C++
#include "LifeInfo.h"
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LifeInfo::LifeInfo(){
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}
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/* 配置心知天气请求信息
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* @param userKey 用户心知天气私钥
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* @param location 获取信息的城市参数
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* @param location 获取信息的温度单位(摄氏/华氏)
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*/
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void LifeInfo::config(String userKey, String location, String unit, String language){
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_reqUserKey = userKey;
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_reqLocation = location;
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_reqLanguage = language;
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}
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/* 尝试从心知天气更新信息
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* @return bool 成功更新返回真，否则返回假
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*/
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bool LifeInfo::update(){
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WiFiClient _wifiClient;
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String reqRes = "/v3/life/suggestion.json?key=" + _reqUserKey +
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+ "&location=" + _reqLocation +
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"&language="+_reqLanguage;
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String httpRequest = String("GET ") + reqRes + " HTTP/1.1\r\n" +
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"Host: " + _host + "\r\n" +
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"Connection: close\r\n\r\n";
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#ifdef DEBUG
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Serial.print("Connecting to ");Serial.print(_host);
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#endif DEBUG
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if (_wifiClient.connect(_host, 80)){
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#ifdef DEBUG
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Serial.println(" Success!");
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#endif DEBUG
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// 向服务器发送http请求信息
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_wifiClient.print(httpRequest);
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#ifdef DEBUG
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Serial.println("Sending request: ");
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Serial.println(httpRequest);
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#endif DEBUG
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// 获取并显示服务器响应状态行
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String _status_response = _wifiClient.readStringUntil('\n');
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#ifdef DEBUG
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Serial.print("_status_response: ");
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Serial.println(_status_response);
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#endif DEBUG
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// 查验服务器是否响应200 OK
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_response_code = _status_response.substring(9, 12);
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if (_response_code == "200") {
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#ifdef DEBUG
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Serial.println("Response Code: 200");
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#endif DEBUG
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} else {
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#ifdef DEBUG
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Serial.println(F("Response Code: NOT 200"));
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#endif DEBUG
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_wifiClient.stop();
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return false;
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}
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// 使用find跳过HTTP响应头
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if (_wifiClient.find("\r\n\r\n")) {
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#ifdef DEBUG
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Serial.println("Found Header End. Start Parsing.");
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#endif DEBUG
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}
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_parseLifeInfo(_wifiClient);
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_wifiClient.stop();
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return true;
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} else {
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#ifdef DEBUG
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Serial.println(" connection failed!");
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#endif DEBUG
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_wifiClient.stop();
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return false;
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}
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}
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// 利用ArduinoJson库解析心知天气响应信息
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void LifeInfo::_parseLifeInfo(WiFiClient client){
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const size_t capacity = JSON_ARRAY_SIZE(1) + JSON_OBJECT_SIZE(1) + 6*JSON_OBJECT_SIZE(2) + JSON_OBJECT_SIZE(3) + 2*JSON_OBJECT_SIZE(6) + 400;
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DynamicJsonDocument doc(capacity);
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deserializeJson(doc, client);
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JsonObject results_0 = doc["results"][0];
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JsonObject results_0_suggestion = results_0["suggestion"];
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_carWash = results_0_suggestion["car_washing"]["brief"].as<String>();
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_dressing = results_0_suggestion["dressing"]["brief"].as<String>();
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_factorFlu = results_0_suggestion["flu"]["brief"].as<String>();
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_exercise = results_0_suggestion["sport"]["brief"].as<String>();
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_travel = results_0_suggestion["travel"]["brief"].as<String>();
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_uv = results_0_suggestion["uv"]["brief"].as<String>();
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_last_update_str = results_0["last_update"].as<String>();
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}
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// 获取洗车建议
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String LifeInfo::getCarWash(){
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return _carWash;
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}
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// 获取穿衣建议
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String LifeInfo::getDressing(){
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return _dressing;
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}
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// 获取流感建议
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String LifeInfo::getFactorFlu(){
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return _factorFlu;
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}
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// 获取运动建议
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String LifeInfo::getExercise(){
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return _exercise;
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}
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// 获取旅游建议
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String LifeInfo::getTravel(){
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return _travel;
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}
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// 获取紫外线建议
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String LifeInfo::getUV(){
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return _uv;
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}
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// 返回心知天气信息更新时间
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String LifeInfo::getLastUpdate(){
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return _last_update_str;
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}
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// 返回服务器响应状态码
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String LifeInfo::getServerCode(){
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return _response_code;
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}
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