add weather via Dark Sky API -step1-

Signed-off-by: Thilo Graf <dbt@novatux.de> Build errors fixed, missing code disabled
2025-08-30 00:41:17 +02:00 · 2019-03-20 15:27:14 +01:00
parent 69ae7d89e3
commit f7219894bc
31 changed files with 786 additions and 7 deletions
--- a/src/gui/weather.cpp
+++ b/src/gui/weather.cpp
@@ -0,0 +1,192 @@
+/*
+	Copyright (C) 2017, 2018 ,2019 TangoCash
+
+	“Powered by Dark Sky” https://darksky.net/poweredby/
+
+	License: GPLv2
+
+	This program is free software; you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation;
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <errno.h>
+#include <fstream>
+
+#include <set>
+#include <string>
+
+#include "system/set_threadname.h"
+#include "gui/widget/hintbox.h"
+
+#include <driver/screen_max.h>
+#include <driver/fontrenderer.h>
+
+#include <global.h>
+#include <json/json.h>
+
+#include "weather.h"
+
+#define MINUTES 15*60
+
+CWeather* CWeather::getInstance()
+{
+	static CWeather* weather = NULL;
+	if(!weather)
+		weather = new CWeather();
+	return weather;
+}
+
+CWeather::CWeather()
+{
+	act_temp = 0;
+	act_wicon = "unknown.png";
+	key = g_settings.weather_api_key;
+	form = NULL;
+	v_forecast.clear();
+	last_time = 0;
+	coords = "";
+	city = "";
+}
+
+CWeather::~CWeather()
+{
+	v_forecast.clear();
+	hide();
+}
+
+void CWeather::setCoords(std::string new_coords, std::string new_city)
+{
+	if (coords.compare(new_coords))
+	{
+		coords = new_coords;
+		city = new_city;
+		GetWeatherDetails();
+	}
+}
+
+bool CWeather::checkUpdate()
+{
+	time_t current_time = time(NULL);
+	if (difftime(current_time,last_time) > MINUTES)
+		return GetWeatherDetails();
+	else
+		return false;
+}
+
+bool CWeather::GetWeatherDetails()
+{
+	printf("[CWeather]: %s\n",__func__);
+
+	last_time = time(NULL);
+
+	if (!g_settings.weather_enabled)
+		return false;
+
+	std::string data = "https://api.darksky.net/forecast/"+key+"/"+coords+"?units=si&lang=de&exclude=minutely,hourly,flags,alerts";
+	std::string answer;
+	double found = 0;
+
+	v_forecast.clear();
+
+	Json::Value DataValues;
+	Json::Reader DataReader;
+	bool parsedSuccess = false;
+
+	answer = "";
+	if (!getUrl(data, answer))
+		return false;
+
+	parsedSuccess = DataReader.parse(answer, DataValues, false);
+	if (!parsedSuccess)
+	{
+		printf("Failed to parse JSON\n");
+		printf("%s\n", DataReader.getFormattedErrorMessages().c_str());
+		return false;
+	}
+
+	found = DataValues["currently"].get("time",0).asDouble();
+
+	printf("[CWeather]: results found: %lf\n",found);
+
+	if (found > 0)
+	{
+		act_temp = DataValues["currently"].get("temperature","").asFloat();
+		timezone = DataValues["timezone"].asString();
+		act_wicon = DataValues["currently"].get("icon","").asString();
+		if (act_wicon.empty())
+			act_wicon = "unknown.png";
+		else
+			act_wicon = act_wicon+".png";
+		printf("[CWeather]: temp in %s (%s): %.1f - %s\n", city.c_str(), timezone.c_str(), act_temp, act_wicon.c_str());
+
+		forecast_data weatherinfo;
+		Json::Value elements = DataValues["daily"]["data"];
+		for (unsigned int i = 0; i<elements.size(); i++)
+		{
+			weatherinfo.timestamp = elements[i].get("time",0).asDouble();
+			weatherinfo.wicon = elements[i].get("icon","").asString();
+			if (weatherinfo.wicon.empty())
+				weatherinfo.wicon = "unknown.png";
+			else
+				weatherinfo.wicon = weatherinfo.wicon+".png";
+			weatherinfo.min_temp = elements[i].get("temperatureMin","").asFloat();
+			weatherinfo.max_temp = elements[i].get("temperatureMax","").asFloat();
+
+			struct tm * timeinfo;
+			timeinfo = localtime(&weatherinfo.timestamp);
+
+			printf("[CWeather]: temp %d.%d.%d: min %.1f - max %.1f -> %s\n", timeinfo->tm_mday, timeinfo->tm_mon, timeinfo->tm_year+1900, weatherinfo.min_temp,weatherinfo.max_temp,weatherinfo.wicon.c_str());
+			v_forecast.push_back(weatherinfo);
+		}
+		return true;
+	}
+	return false;
+}
+
+void CWeather::show(int x, int y)
+{
+	checkUpdate();
+
+	if (form == NULL)
+		form = new CComponentsForm();
+
+	if (!g_settings.weather_enabled || coords.empty() )
+		return;
+
+	CComponentsPicture *ptmp = new CComponentsPicture(RADIUS_MID, RADIUS_MID, getActIcon());
+	ptmp->setColorBody(form->getColorBody());
+	form->addCCItem(ptmp);
+
+	CComponentsText *temp = new CComponentsText(ptmp->getWidth()+2*RADIUS_MID, ptmp->getHeight()/2 + RADIUS_MID - g_Font[SNeutrinoSettings::FONT_TYPE_INFOBAR_NUMBER]->getHeight()/2, 0, 0, getActTemp(), CTextBox::AUTO_WIDTH,g_Font[SNeutrinoSettings::FONT_TYPE_INFOBAR_NUMBER]);
+	temp->doPaintBg(false);
+	temp->setTextColor(COL_INFOBAR_TEXT);
+	form->addCCItem(temp);
+
+	form->setDimensionsAll(x, y, ptmp->getWidth()+temp->getWidth()+2*RADIUS_MID, ptmp->getHeight()+2*RADIUS_MID);
+	form->enableShadow();
+	form->paint();
+}
+
+void CWeather::hide()
+{
+	if (form->isPainted())
+	{
+		form->hide();
+		delete form;
+		form = NULL;
+	}
+}