You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
356 lines
9.0 KiB
356 lines
9.0 KiB
/***************************************************************************
|
|
weatherlib.cpp - description
|
|
-------------------
|
|
begin : Wed Jul 5 2000
|
|
copyright : (C) 2000 by Ian Reinhart Geiser
|
|
email : geiseri@msoe.edu
|
|
***************************************************************************/
|
|
|
|
/***************************************************************************
|
|
* *
|
|
* 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; either version 2 of the License, or *
|
|
* (at your option) any later version. *
|
|
* *
|
|
***************************************************************************/
|
|
|
|
#include "config.h"
|
|
#include <tqfile.h>
|
|
#include <tqdatetime.h>
|
|
#include <tqtextstream.h>
|
|
#include <kglobal.h>
|
|
#include <klocale.h>
|
|
#include <kdebug.h>
|
|
#include <math.h>
|
|
#include <krfcdate.h>
|
|
#include <kio/job.h>
|
|
#include <kurl.h>
|
|
#include <knotifyclient.h>
|
|
#include <ktempfile.h>
|
|
#include <unistd.h>
|
|
#include <kapplication.h>
|
|
#include <kpassivepopup.h>
|
|
|
|
#include "metar_parser.h"
|
|
#include "stationdatabase.h"
|
|
#include "sun.h"
|
|
#include "weatherlib.h"
|
|
|
|
#include "weatherlib.moc"
|
|
|
|
|
|
class WeatherLib::Data
|
|
{
|
|
public:
|
|
Data();
|
|
~Data(){ if ( target ) delete target; }
|
|
|
|
void clear();
|
|
|
|
/** The current weather state outside */
|
|
struct WeatherInfo wi;
|
|
TQDateTime age;
|
|
KTempFile *target;
|
|
bool downloading;
|
|
bool updated;
|
|
KIO::Job *job;
|
|
};
|
|
|
|
WeatherLib::Data::Data()
|
|
: target( 0 ), job( 0 )
|
|
{
|
|
clear();
|
|
}
|
|
|
|
void WeatherLib::Data::clear()
|
|
{
|
|
age = TQDateTime::tqcurrentDateTime();
|
|
downloading = false;
|
|
updated = false;
|
|
job = 0;
|
|
|
|
if ( target )
|
|
{
|
|
delete target;
|
|
target = 0;
|
|
}
|
|
}
|
|
|
|
WeatherLib::WeatherLib(StationDatabase *stationDB, TQObject *parent, const char *name)
|
|
: TQObject (parent, name)
|
|
{
|
|
KGlobal::locale()->insertCatalogue("kweather");
|
|
|
|
m_StationDb = stationDB;
|
|
|
|
data.setAutoDelete( true );
|
|
}
|
|
|
|
WeatherLib::~WeatherLib()
|
|
{
|
|
}
|
|
|
|
void WeatherLib::slotCopyDone(KIO::Job* job)
|
|
{
|
|
kdDebug(12006) << "Copy done..." << endl;
|
|
if( job->error())
|
|
{
|
|
kdDebug(12006) << "Error code: " << job->error() << endl;
|
|
//job->showErrorDialog(0L);
|
|
if ((job->error() == KIO::ERR_COULD_NOT_CONNECT || job->error() == KIO::ERR_UNKNOWN_HOST)
|
|
&& !hostDown)
|
|
{
|
|
hostDown= true;
|
|
// no need to show a passive popup here, as below all stations will show "dunno" icon
|
|
}
|
|
}
|
|
// Find the job
|
|
TQDictIterator<Data> it( data );
|
|
Data *d = 0L;
|
|
for( ; it.current(); ++it )
|
|
{
|
|
kdDebug(12006) << "Searching for job..." << endl;
|
|
if(it.current()->job == job)
|
|
{
|
|
d = it.current();
|
|
d->downloading = false;
|
|
if( !job->error() )
|
|
{
|
|
kdDebug( 12006) << "Reading: " << d->target->name() << endl;
|
|
TQFile file( d->target->name() );
|
|
file.open( IO_ReadOnly );
|
|
TQTextStream *t = new TQTextStream( &file );
|
|
//TQTextStream *t = d->target->textStream();
|
|
if( t )
|
|
{
|
|
TQString s = TQString();
|
|
while ( !t->eof() )
|
|
{
|
|
s += " " + t->readLine();
|
|
}
|
|
|
|
if ( !s.isEmpty() )
|
|
{
|
|
kdDebug( 12006 ) << "Parse: " << s << endl;
|
|
MetarParser parser(m_StationDb, KGlobal::locale()->measureSystem());
|
|
d->wi = parser.processData(d->wi.reportLocation, s);
|
|
d->age = TQDateTime::tqcurrentDateTime().addSecs(1800);
|
|
emit fileUpdate(d->wi.reportLocation);
|
|
d->updated = true;
|
|
}
|
|
else
|
|
{
|
|
// File error
|
|
kdDebug( 12006 ) << "File empty error..." << endl;
|
|
KPassivePopup::message( i18n("KWeather Error!"),
|
|
i18n("The temp file %1 was empty.").tqarg(d->target->name()), 0L,"error" );
|
|
d->updated = false;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// File error
|
|
kdDebug( 12006 ) << "File read error..." << endl;
|
|
KPassivePopup::message( i18n("KWeather Error!"),
|
|
i18n("Could not read the temp file %1.").tqarg(d->target->name()), 0L,"error" );
|
|
d->updated = false;
|
|
}
|
|
delete d->target;
|
|
d->target = 0L;
|
|
d->job = 0L;
|
|
|
|
}
|
|
else if( job->error() == KIO::ERR_DOES_NOT_EXIST)
|
|
{
|
|
data.remove(d->wi.reportLocation);
|
|
kdDebug( 12006 ) << "Bad station data so i am going to remove it" << endl;
|
|
KPassivePopup::message( i18n("KWeather Error!"),
|
|
i18n("The requested station does not exist."), 0L,"error" );
|
|
}
|
|
else if(job->error() == KIO::ERR_COULD_NOT_CONNECT ||
|
|
job->error() == KIO::ERR_UNKNOWN_HOST)
|
|
{
|
|
kdDebug( 12006 ) << "Offline now..." << endl;
|
|
d->clear();
|
|
d->wi.theWeather = "dunno";
|
|
d->wi.qsCurrentList.append(i18n("The network is currently offline..."));
|
|
d->wi.qsCurrentList.append(i18n("Please update later."));
|
|
emit fileUpdate(d->wi.reportLocation);
|
|
}
|
|
else
|
|
{
|
|
kdDebug( 12006 ) << "Duh?..." << endl;
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
void WeatherLib::getData(Data *d, bool force /* try even if host was down last time*/)
|
|
{
|
|
if(!d->downloading && (force || !hostDown) )
|
|
{
|
|
d->downloading = true;
|
|
d->updated = false;
|
|
TQString u = "http://weather.noaa.gov/pub/data/observations/metar/stations/";
|
|
u += d->wi.reportLocation.upper().stripWhiteSpace();
|
|
u += ".TXT";
|
|
|
|
d->target = new KTempFile(TQString(), "-weather");
|
|
d->target->setAutoDelete(true);
|
|
d->target->file();
|
|
|
|
KURL url(u);
|
|
KURL local(d->target->name());
|
|
|
|
d->job = KIO::file_copy( url, local, -1, true, false, false);
|
|
d->job->addMetaData("cache", "reload"); // Make sure to get fresh info
|
|
connect( d->job, TQT_SIGNAL( result( KIO::Job *)),
|
|
TQT_SLOT(slotCopyDone(KIO::Job *)));
|
|
kdDebug( 12006 ) << "Copying " << url.prettyURL() << " to "
|
|
<< local.prettyURL() << endl;
|
|
emit fileUpdating(d->wi.reportLocation);
|
|
}
|
|
}
|
|
|
|
WeatherLib::Data* WeatherLib::findData(const TQString &stationID)
|
|
{
|
|
Data *d = data[stationID];
|
|
if (!d)
|
|
{
|
|
d = new Data();
|
|
d->wi.reportLocation = stationID;
|
|
d->wi.theWeather = "dunno";
|
|
d->wi.qsCurrentList.append( i18n( "Retrieving weather data..." ) );
|
|
data.insert(stationID, d);
|
|
getData(d);
|
|
}
|
|
|
|
return d;
|
|
}
|
|
|
|
TQString WeatherLib::temperature(const TQString &stationID){
|
|
Data *d = findData(stationID);
|
|
return d->wi.qsTemperature;
|
|
}
|
|
|
|
TQString WeatherLib::pressure(const TQString &stationID){
|
|
Data *d = findData(stationID);
|
|
return d->wi.qsPressure;
|
|
}
|
|
|
|
TQString WeatherLib::wind(const TQString &stationID){
|
|
Data *d = findData(stationID);
|
|
return (d->wi.qsWindSpeed + " " + d->wi.qsWindDirection);
|
|
}
|
|
|
|
/** */
|
|
TQString WeatherLib::dewPoint(const TQString &stationID){
|
|
Data *d = findData(stationID);
|
|
return d->wi.qsDewPoint;
|
|
}
|
|
|
|
TQString WeatherLib::relHumidity(const TQString &stationID){
|
|
Data *d = findData(stationID);
|
|
return d->wi.qsRelHumidity;
|
|
}
|
|
|
|
TQString WeatherLib::heatIndex(const TQString &stationID){
|
|
Data *d = findData(stationID);
|
|
return d->wi.qsHeatIndex;
|
|
}
|
|
|
|
TQString WeatherLib::windChill(const TQString &stationID){
|
|
Data *d = findData(stationID);
|
|
return d->wi.qsWindChill;
|
|
}
|
|
|
|
TQString WeatherLib::iconName(const TQString &stationID){
|
|
|
|
TQString result("dunno");
|
|
|
|
// isEmpty is true for null or 0 length strings
|
|
if ( !stationID.isEmpty() )
|
|
{
|
|
Data *d = findData(stationID);
|
|
result = d->wi.theWeather;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
TQString WeatherLib::date(const TQString &stationID){
|
|
Data *d = findData(stationID);
|
|
|
|
if ( ! d->wi.qsDate.isValid() )
|
|
return "";
|
|
else
|
|
{
|
|
TQDateTime gmtDateTime(d->wi.qsDate, d->wi.qsTime);
|
|
TQDateTime localDateTime = gmtDateTime.addSecs(KRFCDate::localUTCOffset() * 60);
|
|
return KGlobal::locale()->formatDateTime(localDateTime, false, false);
|
|
}
|
|
}
|
|
|
|
/** Returns the current cover */
|
|
TQStringList WeatherLib::cover(const TQString &stationID){
|
|
Data *d = findData(stationID);
|
|
return d->wi.qsCoverList;
|
|
}
|
|
|
|
/** return the visibility */
|
|
TQString WeatherLib::visibility(const TQString &stationID){
|
|
Data *d = findData(stationID);
|
|
return d->wi.qsVisibility;
|
|
}
|
|
|
|
/** return the weather text */
|
|
TQStringList WeatherLib::weather(const TQString &stationID){
|
|
Data *d = findData(stationID);
|
|
return d->wi.qsCurrentList;
|
|
}
|
|
|
|
bool WeatherLib::stationNeedsMaintenance(const TQString &stationID)
|
|
{
|
|
Data *d = findData(stationID);
|
|
return d->wi.stationNeedsMaintenance;
|
|
}
|
|
|
|
void WeatherLib::update(const TQString &stationID)
|
|
{
|
|
// Only grab new data if its more than 50 minutes old
|
|
Data *d = findData(stationID);
|
|
|
|
TQDateTime timeout = TQDateTime::tqcurrentDateTime();
|
|
|
|
kdDebug (12006) << "Current Time: " << KGlobal::locale()->formatDateTime(timeout, false, false) <<
|
|
" Update at: " << KGlobal::locale()->formatDateTime(d->age, false, false) << endl;
|
|
if( timeout >= d->age || !d->updated)
|
|
getData(d, true /* try even if host was down last time */);
|
|
else
|
|
emit fileUpdate(d->wi.reportLocation);
|
|
}
|
|
|
|
TQStringList WeatherLib::stations()
|
|
{
|
|
TQStringList l;
|
|
TQDictIterator<Data> it( data );
|
|
for( ; it.current(); ++it )
|
|
l += it.currentKey();
|
|
return l;
|
|
}
|
|
|
|
void WeatherLib::forceUpdate(const TQString &stationID)
|
|
{
|
|
hostDown = false; // we want to show error message if host is still down
|
|
Data *d = findData(stationID);
|
|
getData( d );
|
|
}
|
|
|
|
void WeatherLib::remove(const TQString &stationID)
|
|
{
|
|
data.remove(stationID);
|
|
emit stationRemoved(stationID);
|
|
}
|