479 lines
16 KiB
Perl
479 lines
16 KiB
Perl
###############################################################################
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#
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# Developed with Kate
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#
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# (c) 2019 Copyright: Marko Oldenburg (leongaultier at gmail dot com)
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# All rights reserved
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#
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# Special thanks goes to:
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#
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#
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# This script is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License,or
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# any later version.
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#
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# The GNU General Public License can be found at
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# http://www.gnu.org/copyleft/gpl.html.
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# A copy is found in the textfile GPL.txt and important notices to the license
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# from the author is found in LICENSE.txt distributed with these scripts.
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#
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# This script is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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#
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# $Id$
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#
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###############################################################################
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### Beispielaufruf
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# https://api.openweathermap.org/data/2.5/weather?lat=[lat]&lon=[long]&APPID=[API] Current
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# https://api.openweathermap.org/data/2.5/forecast?lat=[lat]&lon=[long]&APPID=[API] Forecast
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# https://openweathermap.org/weather-conditions Icons und Conditions ID's
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package OpenWeatherMapAPI::Weather;
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use strict;
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use warnings;
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use POSIX;
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use HttpUtils;
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my $missingModul = '';
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eval "use JSON;1"
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or $missingModul .=
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"JSON "; # apt-get install libperl-JSON on Debian and derivatives
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eval "use Encode qw(encode_utf8);1" or $missingModul .= "Encode ";
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use Data::Dumper; # for Debug only
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## API URL
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use constant URL => 'https://api.openweathermap.org/data/2.5/';
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## URL . 'weather?' for current data
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## URL . 'forecast?' for forecast data
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my %codes = (
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200 => 45,
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201 => 45,
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202 => 45,
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210 => 4,
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211 => 4,
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212 => 3,
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221 => 4,
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230 => 45,
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231 => 45,
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232 => 45,
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300 => 9,
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301 => 9,
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302 => 9,
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310 => 9,
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311 => 9,
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312 => 9,
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313 => 9,
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314 => 9,
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321 => 9,
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500 => 35,
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501 => 35,
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502 => 35,
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503 => 35,
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504 => 35,
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511 => 35,
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520 => 35,
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521 => 35,
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522 => 35,
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531 => 35,
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600 => 14,
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601 => 16,
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602 => 13,
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611 => 46,
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612 => 46,
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615 => 5,
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616 => 5,
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620 => 14,
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621 => 46,
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622 => 42,
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701 => 19,
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711 => 22,
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721 => 19,
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731 => 23,
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741 => 20,
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751 => 23,
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761 => 19,
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762 => 3200,
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771 => 1,
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781 => 0,
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800 => 32,
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801 => 30,
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802 => 26,
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803 => 26,
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804 => 28,
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);
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sub new {
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### geliefert wird ein Hash
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my ( $class, $argsRef ) = @_;
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my $self = {
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devName => $argsRef->{devName},
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key => (
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( defined( $argsRef->{apikey} ) and $argsRef->{apikey} )
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? $argsRef->{apikey}
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: 'none'
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),
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cachemaxage => (
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( defined( $argsRef->{apioptions} ) and $argsRef->{apioptions} )
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? ( ( split( ':', $argsRef->{apioptions} ) )[0] eq 'cachemaxage'
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? ( split( ':', $argsRef->{apioptions} ) )[1]
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: 900 )
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: 900
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),
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lang => $argsRef->{language},
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lat => ( split( ',', $argsRef->{location} ) )[0],
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long => ( split( ',', $argsRef->{location} ) )[1],
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fetchTime => 0,
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endpoint => 'none',
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};
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$self->{cached} = _CreateForecastRef($self);
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bless $self, $class;
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return $self;
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}
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sub setFetchTime {
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my $self = shift;
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$self->{fetchTime} = time();
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return 0;
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}
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sub setRetrieveData {
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my $self = shift;
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_RetrieveDataFromOpenWeatherMap($self);
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return 0;
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}
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sub getFetchTime {
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my $self = shift;
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return $self->{fetchTime};
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}
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sub getWeather {
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my $self = shift;
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return $self->{cached};
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}
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sub _RetrieveDataFromOpenWeatherMap($) {
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my $self = shift;
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# retrieve data from cache
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if ( $self->{endpoint} eq 'none' ) {
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if ( ( time() - $self->{fetchTime} ) < $self->{cachemaxage} ) {
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return _CallWeatherCallbackFn($self);
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}
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}
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my $paramRef = {
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timeout => 15,
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self => $self,
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endpoint => ( $self->{endpoint} eq 'none' ? 'weather' : 'forecast' ),
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callback => \&_RetrieveDataFinished,
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};
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$self->{endpoint} = $paramRef->{endpoint};
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if ( $self->{lat} eq 'error'
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or $self->{long} eq 'error'
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or $self->{key} eq 'none'
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or $missingModul )
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{
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_RetrieveDataFinished(
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$paramRef,
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'The given location is invalid. (wrong latitude or longitude?) put both as an attribute in the global device or set define option location=[LAT],[LONG]',
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undef
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) if ( $self->{lat} eq 'error' or $self->{long} eq 'error' );
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_RetrieveDataFinished( $paramRef,
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'No given api key. (define myWeather Weather apikey=[KEY])',
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undef )
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if ( $self->{key} eq 'none' );
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_RetrieveDataFinished( $paramRef,
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'Perl modul ' . $missingModul . ' is missing.', undef )
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if ($missingModul);
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}
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else {
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$paramRef->{url} =
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URL
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. $paramRef->{endpoint} . '?' . 'lat='
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. $self->{lat} . '&' . 'lon='
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. $self->{long} . '&'
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. 'APPID='
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. $self->{key} . '&' . 'lang='
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. $self->{lang};
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main::HttpUtils_NonblockingGet($paramRef);
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}
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}
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sub _RetrieveDataFinished($$$) {
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my ( $paramRef, $err, $response ) = @_;
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my $self = $paramRef->{self};
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if ( !$err ) {
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$self->{cached}->{status} = 'ok';
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$self->{cached}->{validity} = 'up-to-date', $self->{fetchTime} = time();
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_ProcessingRetrieveData( $self, $response );
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}
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else {
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$self->{fetchTime} = time() if ( not defined( $self->{fetchTime} ) );
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_ErrorHandling( $self, $err );
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_ProcessingRetrieveData( $self, $response );
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}
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}
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sub _ProcessingRetrieveData($$) {
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my ( $self, $response ) = @_;
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if ( $self->{cached}->{status} eq 'ok'
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and defined($response)
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and $response )
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{
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my $data = eval { decode_json($response) };
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if ($@) {
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_ErrorHandling( $self,
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'OpenWeatherMap Weather decode JSON err ' . $@ );
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}
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elsif ( defined( $data->{cod} )
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and $data->{cod}
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and $data->{cod} != 200
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and defined( $data->{message} )
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and $data->{message} )
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{
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_ErrorHandling( $self, $data->{cod} . ': ' . $data->{message} );
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}
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else {
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###### Ab hier wird die ResponseHash Referenze für die Rückgabe zusammen gestellt
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$self->{cached}->{current_date_time} =
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strftime( "%a, %e %b %Y %H:%M %p",
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localtime( $self->{fetchTime} ) );
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if ( $self->{endpoint} eq 'weather' ) {
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$self->{cached}->{country} = $data->{sys}->{country};
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$self->{cached}->{city} = $data->{name};
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$self->{cached}->{license}{text} = 'none';
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$self->{cached}->{current} = {
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'temperature' => int(
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sprintf( "%.1f", ( $data->{main}->{temp} - 273.15 ) ) +
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0.5
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),
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'temp_c' => int(
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sprintf( "%.1f", ( $data->{main}->{temp} - 273.15 ) ) +
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0.5
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),
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'low_c' => int(
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sprintf( "%.1f",
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( $data->{main}->{temp_min} - 273.15 ) ) + 0.5
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),
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'high_c' => int(
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sprintf( "%.1f",
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( $data->{main}->{temp_max} - 273.15 ) ) + 0.5
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),
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'tempLow' => int(
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sprintf( "%.1f",
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( $data->{main}->{temp_min} - 273.15 ) ) + 0.5
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),
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'tempHigh' => int(
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sprintf( "%.1f",
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( $data->{main}->{temp_max} - 273.15 ) ) + 0.5
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),
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'humidity' => $data->{main}->{humidity},
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'condition' =>
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encode_utf8( $data->{weather}->[0]->{description} ),
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'pressure' =>
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int( sprintf( "%.1f", $data->{main}->{pressure} ) + 0.5 ),
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'wind' =>
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int( sprintf( "%.1f", $data->{wind}->{speed} ) + 0.5 ),
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'wind_speed' =>
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int( sprintf( "%.1f", $data->{wind}->{speed} ) + 0.5 ),
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'wind_direction' => $data->{wind}->{deg},
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'cloudCover' => $data->{clouds}->{all},
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'visibility' =>
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int( sprintf( "%.1f", $data->{visibility} ) + 0.5 ),
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'code' => $codes{ $data->{weather}->[0]->{id} },
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'iconAPI' => $data->{weather}->[0]->{icon},
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'sunsetTime' => strftime(
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"%a, %e %b %Y %H:%M %p",
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localtime( $data->{sys}->{sunset} )
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),
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'sunriseTime' => strftime(
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"%a, %e %b %Y %H:%M %p",
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localtime( $data->{sys}->{sunrise} )
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),
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'pubDate' => strftime(
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"%a, %e %b %Y %H:%M %p",
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localtime( $data->{dt} )
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),
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};
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}
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if ( $self->{endpoint} eq 'forecast' ) {
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if ( ref( $data->{list} ) eq "ARRAY"
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and scalar( @{ $data->{list} } ) > 0 )
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{
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## löschen des alten Datensatzes
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delete $self->{cached}->{forecast};
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my $i = 0;
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foreach ( @{ $data->{list} } ) {
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push(
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@{ $self->{cached}->{forecast}->{hourly} },
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{
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'pubDate' => strftime(
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"%a, %e %b %Y %H:%M %p",
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localtime(
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( $data->{list}->[$i]->{dt} ) - 3600
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)
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),
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'day_of_week' => strftime("%a",localtime(( $data->{list}->[$i]->{dt} ) - 3600)),
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'temperature' => int(
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sprintf(
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"%.1f",
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(
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$data->{list}->[$i]->{main}->{temp}
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- 273.15
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)
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) + 0.5
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),
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'temp_c' => int(
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sprintf(
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"%.1f",
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(
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$data->{list}->[$i]->{main}->{temp}
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- 273.15
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)
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) + 0.5
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),
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'low_c' => int(
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sprintf(
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"%.1f",
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(
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$data->{list}->[$i]->{main}
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->{temp_min} - 273.15
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)
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) + 0.5
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),
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'high_c' => int(
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sprintf(
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"%.1f",
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(
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$data->{list}->[$i]->{main}
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->{temp_max} - 273.15
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)
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) + 0.5
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),
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'tempLow' => int(
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sprintf(
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"%.1f",
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(
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$data->{list}->[$i]->{main}
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->{temp_min} - 273.15
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)
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) + 0.5
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),
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'tempHigh' => int(
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sprintf(
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"%.1f",
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(
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$data->{list}->[$i]->{main}
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->{temp_max} - 273.15
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)
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) + 0.5
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),
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'humidity' =>
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$data->{list}->[$i]->{main}->{humidity},
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'condition' => encode_utf8(
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$data->{list}->[$i]->{weather}->[0]
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->{description}
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),
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'pressure' => int(
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sprintf( "%.1f",
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$data->{list}->[$i]->{main}->{pressure}
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) + 0.5
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),
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'wind' => int(
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sprintf( "%.1f",
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$data->{list}->[$i]->{wind}->{speed} )
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+ 0.5
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),
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'wind_speed' => int(
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sprintf( "%.1f",
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$data->{list}->[$i]->{wind}->{speed} )
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+ 0.5
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),
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'cloudCover' =>
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$data->{list}->[$i]->{clouds}->{all},
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'code' =>
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$codes{ $data->{list}->[$i]->{weather}->[0]
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->{id} },
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'iconAPI' =>
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$data->{list}->[$i]->{weather}->[0]->{icon},
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},
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);
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$i++;
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}
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}
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}
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}
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}
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$self->{endpoint} = 'none' if ( $self->{endpoint} eq 'forecast' );
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_RetrieveDataFromOpenWeatherMap($self)
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if ( $self->{endpoint} eq 'weather' );
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_CallWeatherCallbackFn($self) if ( $self->{endpoint} eq 'none' );
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}
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sub _CallWeatherCallbackFn($) {
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my $self = shift;
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# print 'Dumperausgabe: ' . Dumper $self;
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### Aufruf der callbackFn
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main::Weather_RetrieveCallbackFn( $self->{devName} );
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}
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sub _ErrorHandling($$) {
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my ( $self, $err ) = @_;
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$self->{cached}->{current_date_time} =
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strftime( "%a, %e %b %Y %H:%M %p", localtime( $self->{fetchTime} ) ),
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$self->{cached}->{status} = $err;
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$self->{cached}->{validity} = 'stale';
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}
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sub _CreateForecastRef($) {
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my $self = shift;
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my $forecastRef = (
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{
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lat => $self->{lat},
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long => $self->{long},
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apiMaintainer =>
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'Leon Gaultier (<a href=https://forum.fhem.de/index.php?action=profile;u=13684>CoolTux</a>)',
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}
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);
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return $forecastRef;
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}
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##############################################################################
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1;
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