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add weather via Dark Sky API -step1-

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Origin commit data
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Branch: ni/coolstream
Commit: ed4d4e0c46
Author: TangoCash <eric@loxat.de>
Date: 2019-03-20 (Wed, 20 Mar 2019)


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This commit was generated by Migit
This commit is contained in:
TangoCash
2019-03-20 15:27:14 +01:00
committed by vanhofen
parent abf08f7ee8
commit b091b77794
30 changed files with 755 additions and 6 deletions
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src/gui/weather.cpp Normal file
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/*
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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#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;
}
}