mod-Weather/DarkSkyAPI.pm

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# $Id: $
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###############################################################################
#
# Developed with Kate
#
# (c) 2019 Copyright: Marko Oldenburg (leongaultier at gmail dot com)
# All rights reserved
#
# Special thanks goes to:
# - Lippie hourly forecast code
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#
#
# This script 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
# any later version.
#
# The GNU General Public License can be found at
# http://www.gnu.org/copyleft/gpl.html.
# A copy is found in the textfile GPL.txt and important notices to the license
# from the author is found in LICENSE.txt distributed with these scripts.
#
# This script 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.
#
#
###############################################################################
package DarkSkyAPI::Weather;
use strict;
use warnings;
use POSIX;
use HttpUtils;
my $missingModul = '';
eval "use JSON;1"
or $missingModul .=
"JSON "; # apt-get install libperl-JSON on Debian and derivatives
eval "use Encode qw(encode_utf8);1" or $missingModul .= "Encode ";
# use Data::Dumper; # for Debug only
## API URL
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use constant DEMODATA => '{"latitude":50.112,"longitude":8.686,"timezone":"Europe/Berlin","currently":{"time":1551214558,"summary":"Heiter","icon":"clear-night","precipIntensity":0,"precipProbability":0,"temperature":9.65,"apparentTemperature":9.65,"dewPoint":1.39,"humidity":0.56,"pressure":1032.69,"windSpeed":0.41,"windGust":1.35,"windBearing":84,"cloudCover":0,"uvIndex":0,"visibility":10.01,"ozone":276.41},"hourly":{"summary":"Leicht bewölkt am heute Nacht.","icon":"partly-cloudy-night","data":[{"time":1551211200,"summary":"Heiter","icon":"clear-night","precipIntensity":0,"precipProbability":0,"temperature":10.59,"apparentTemperature":10.59,"dewPoint":1.84,"humidity":0.55,"pressure":1032.7,"windSpeed":0.28,"windGust":1.15,"windBearing":89,"cloudCover":0,"uvIndex":0,"visibility":10.01,"ozone":277},{"time":1551214800,"summary":"Heiter","icon":"clear-night","precipIntensity":0,"precipProbability":0,"temperature":9.58,"apparentTemperature":9.58,"dewPoint":1.36,"humidity":0.56,"pressure":1032.69,"windSpeed":0.42,"windGust":1.37,"windBearing":83,"cloudCover":0,"uvIndex":0,"visibility":10.01,"ozone":276.37},{"time":1551218400,"summary":"Heiter","icon":"clear-night","precipIntensity":0,"precipProbability":0,"temperature":8.61,"apparentTemperature":8.61,"dewPoint":0.73,"humidity":0.58,"pressure":1032.63,"windSpeed":0.5,"windGust":1.47,"windBearing":72,"cloudCover":0,"uvIndex":0,"visibility":11.47,"ozone":275.56},{"time":1551222000,"summary":"Leicht bewölkt","icon":"partly-cloudy-night","precipIntensity":0,"precipProbability":0,"temperature":8.06,"apparentTemperature":8.06,"dewPoint":-0.45,"humidity":0.55,"pressure":1032.55,"windSpeed":0.86,"windGust":1.5,"windBearing":40,"cloudCover":0.26,"uvIndex":0,"visibility":16.09,"ozone":274.76},{"time":1551225600,"summary":"Leicht bewölkt","icon":"partly-cloudy-night","precipIntensity":0,"precipProbability":0,"temperature":7.48,"apparentTemperature":7.48,"dewPoint":-1.38,"humidity":0.53,"pressure":1032.4,"windSpeed":1.14,"windGust":1.49,"windBearing":33,"cloudCover":0.42,"uvIndex":0,"visibility":16.09,"ozone":274.13},{"time":1551229200,"summary":"Leicht bewölkt","icon":"partly-cloudy-night","precipIntensity":0,"precipProbability":0,"temperature":6.62,"apparentTemperature":6.62,"dewPoint":-1.89,"humidity":0.54,"pressure":1032.12,"windSpeed":1.11,"windGust":1.43,"windBearing":38,"cloudCover":0.36,"uvIndex":0,"visibility":16.09,"ozone":273.77},{"time":1551232800,"summary":"Leicht bewölkt","icon":"partly-cloudy-night","precipIntensity":0,"precipProbability":0,"temperature":5.73,"apparentTemperature":5.73,"dewPoint":-2.39,"humidity":0.56,"pressure":1031.83,"windSpeed":1.07,"windGust":1.34,"windBearing":46,"cloudCover":0.29,"uvIndex":0,"visibility":16.09,"ozone":273.55},{"time":1551236400,"summary":"Heiter","icon":"clear-night","precipIntensity":0,"precipProbability":0,"temperature":4.91,"apparentTemperature":4.91,"dewPoint":-2.81,"humidity":0.57,"pressure":1031.49,"windSpeed":1.03,"windGust":1.23,"windBearing":54,"cloudCover":0.23,"uvIndex":0,"visibility":16.09,"ozone":273.44},{"time":1551240000,"summary":"Heiter","icon":"clear-night","precipIntensity":0,"precipProbability":0,"temperature":4.02,"apparentTemperature":4.02,"dewPoint":-3.26,"humidity":0.59,"pressure":1031.18,"windSpeed":0.99,"windGust":1.15,"windBearing":63,"cloudCover":0.21,"uvIndex":0,"visibility":16.09,"ozone":273.43},{"time":1551243600,"summary":"Heiter","icon":"clear-night","precipIntensity":0,"precipProbability":0,"temperature":3.26,"apparentTemperature":3.26,"dewPoint":-3.61,"humidity":0.61,"pressure":1030.85,"windSpeed":0.96,"windGust":1.08,"windBearing":73,"cloudCover":0.22,"uvIndex":0,"visibility":16.09,"ozone":273.5},{"time":1551247200,"summary":"Heiter","icon":"clear-night","precipIntensity":0,"precipProbability":0,"temperature":3.19,"apparentTemperature":3.19,"dewPoint":-3.51,"humidity":0.61,"pressure":1030.54,"windSpeed":0.92,"windGust":1.01,"windBearing":83,"cloudCover":0.22,"uvIndex":0,"visibility":16.09,"ozone":273.65},{"time":1551250800,"summary":"Heiter","icon":"clear-day","precipIntensity":0,"precipProb
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use constant URL => 'https://api.darksky.net/forecast/';
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use constant VERSION => '0.2.6';
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my %codes = (
'clear-day' => 32,
'clear-night' => 31,
'rain' => 11,
'snow' => 16,
'sleet' => 18,
'wind' => 24,
'fog' => 20,
'cloudy' => 26,
'partly-cloudy-day' => 30,
'partly-cloudy-night' => 29,
'hail' => 17,
'thunderstorm' => 4,
'tornado' => 0,
);
sub new {
### geliefert wird ein Hash
my ( $class, $argsRef ) = @_;
my $self = {
devName => $argsRef->{devName},
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key => (
( defined( $argsRef->{apikey} ) and $argsRef->{apikey} )
? $argsRef->{apikey}
: 'none'
),
cachemaxage => (
( 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
),
lang => $argsRef->{language},
lat => ( split( ',', $argsRef->{location} ) )[0],
long => ( split( ',', $argsRef->{location} ) )[1],
fetchTime => 0,
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};
$self->{cached} = _CreateForecastRef($self);
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bless $self, $class;
return $self;
}
sub setFetchTime {
my $self = shift;
$self->{fetchTime} = time();
return 0;
}
sub setRetrieveData {
my $self = shift;
_RetrieveDataFromDarkSky($self);
return 0;
}
sub getFetchTime {
my $self = shift;
return $self->{fetchTime};
}
sub getWeather {
my $self = shift;
return $self->{cached};
}
sub _RetrieveDataFromDarkSky($) {
my $self = shift;
# retrieve data from cache
if ( ( time() - $self->{fetchTime} ) < $self->{cachemaxage} ) {
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return _CallWeatherCallbackFn($self);
}
my $paramRef = {
timeout => 15,
self => $self,
callback => \&_RetrieveDataFinished,
};
if ( $self->{lat} eq 'error'
or $self->{long} eq 'error'
or $self->{key} eq 'none'
or $missingModul )
{
_RetrieveDataFinished(
$paramRef,
'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]',
undef
) if ( $self->{lat} eq 'error' or $self->{long} eq 'error' );
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_RetrieveDataFinished( $paramRef,
'No given api key. (define myWeather Weather apikey=[KEY])',
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undef )
if ( $self->{key} eq 'none' );
_RetrieveDataFinished( $paramRef,
'Perl modul ' . $missingModul . ' is missing.', undef )
if ($missingModul);
}
else {
$paramRef->{url} =
URL
. $self->{key} . '/'
. $self->{lat} . ','
. $self->{long}
. '?lang='
. $self->{lang}
. '&units=auto';
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if ( $self->{key} eq 'demo' )
{ _RetrieveDataFinished($paramRef,undef,DEMODATA); }
else { main::HttpUtils_NonblockingGet($paramRef); }
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}
}
sub _RetrieveDataFinished($$$) {
my ( $paramRef, $err, $response ) = @_;
my $self = $paramRef->{self};
if ( !$err ) {
$self->{cached}->{status} = 'ok';
$self->{cached}->{validity} = 'up-to-date', $self->{fetchTime} = time();
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_ProcessingRetrieveData( $self, $response );
}
else {
$self->{fetchTime} = time() if ( not defined( $self->{fetchTime} ) );
_ErrorHandling( $self, $err );
_ProcessingRetrieveData( $self, $response );
}
}
sub _ProcessingRetrieveData($$) {
my ( $self, $response ) = @_;
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if ( $self->{cached}->{status} eq 'ok'
and defined($response)
and $response )
{
if ( $response =~ m/^{.*}$/ ) {
my $data = eval { decode_json($response) };
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if ($@) {
_ErrorHandling( $self, 'DarkSky Weather decode JSON err ' . $@ );
}
elsif ( defined( $data->{code} )
and $data->{code}
and defined( $data->{error} )
and $data->{error} )
{
_ErrorHandling( $self,
'Code: ' . $data->{code} . ' Error: ' . $data->{error} );
}
else {
# print Dumper $data; ## für Debugging
$self->{cached}->{current_date_time} =
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encode_utf8(strftime( "%a, %e %b %Y %H:%M",
localtime( $self->{fetchTime} ) ));
$self->{cached}->{timezone} = $data->{timezone};
$self->{cached}->{license}{text} =
$data->{flags}->{'meteoalarm-license'};
$self->{cached}->{current} = {
'temperature' => int(
sprintf( "%.1f", $data->{currently}->{temperature} ) + 0.5
),
'temp_c' => int(
sprintf( "%.1f", $data->{currently}->{temperature} ) + 0.5
),
'dewPoint' => int(
sprintf( "%.1f", $data->{currently}->{dewPoint} ) + 0.5
),
'humidity' => $data->{currently}->{humidity} * 100,
'condition' => encode_utf8( $data->{currently}->{summary} ),
'pressure' => int(
sprintf( "%.1f", $data->{currently}->{pressure} ) + 0.5
),
'wind' => int(
sprintf( "%.1f", ($data->{currently}->{windSpeed} * 3.6) ) + 0.5
),
'wind_speed' => int(
sprintf( "%.1f", ($data->{currently}->{windSpeed} * 3.6) ) + 0.5
),
'wind_direction' => $data->{currently}->{windBearing},
'windGust' => int(
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sprintf( "%.1f", ($data->{currently}->{windGust} * 3.6) ) + 0.5
),
'cloudCover' => $data->{currently}->{cloudCover} * 100,
'uvIndex' => $data->{currently}->{uvIndex},
'visibility' => int(
sprintf( "%.1f", $data->{currently}->{visibility} ) + 0.5
),
'ozone' => $data->{currently}->{ozone},
'code' => $codes{ $data->{currently}->{icon} },
'iconAPI' => $data->{currently}->{icon},
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'pubDate' => encode_utf8(strftime(
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"%a, %e %b %Y %H:%M",
localtime( $data->{currently}->{'time'} )
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)),
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'precipProbability' => $data->{currently}->{precipProbability} * 100,
'apparentTemperature' => int(
sprintf(
"%.1f", $data->{currently}->{apparentTemperature}
) + 0.5
),
'precipIntensity' => $data->{currently}->{precipIntensity},
};
if ( ref( $data->{daily}->{data} ) eq "ARRAY"
and scalar( @{ $data->{daily}->{data} } ) > 0 )
{
### löschen des alten Datensatzes
delete $self->{cached}->{forecast};
my $i = 0;
foreach ( @{ $data->{daily}->{data} } ) {
push(
@{ $self->{cached}->{forecast}->{daily} },
{
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'pubDate' => encode_utf8(strftime(
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"%a, %e %b %Y %H:%M",
localtime(
$data->{daily}->{data}->[$i]->{'time'}
)
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)),
'day_of_week' => strftime(
"%a",
localtime(
$data->{daily}->{data}->[$i]->{'time'}
)
),
'low_c' => int(
sprintf( "%.1f",
$data->{daily}->{data}->[$i]
->{temperatureLow} ) + 0.5
),
'high_c' => int(
sprintf( "%.1f",
$data->{daily}->{data}->[$i]
->{temperatureHigh} ) + 0.5
),
'tempLow' => int(
sprintf( "%.1f",
$data->{daily}->{data}->[$i]
->{temperatureLow} ) + 0.5
),
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'tempLowTime' => encode_utf8(strftime(
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"%a, %e %b %Y %H:%M",
localtime(
$data->{daily}->{data}->[$i]
->{temperatureLowTime}
)
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)),
'tempHigh' => int(
sprintf( "%.1f",
$data->{daily}->{data}->[$i]
->{temperatureHigh} ) + 0.5
),
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'tempHighTime' => encode_utf8(strftime(
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"%a, %e %b %Y %H:%M",
localtime(
$data->{daily}->{data}->[$i]
->{temperatureHighTime}
)
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)),
'apparentTempLow' => int(
sprintf( "%.1f",
$data->{daily}->{data}->[$i]
->{apparentTemperatureLow} ) + 0.5
),
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'apparentTempLowTime' => encode_utf8(strftime(
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"%a, %e %b %Y %H:%M",
localtime(
$data->{daily}->{data}->[$i]
->{apparentTemperatureLowTime}
)
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)),
'apparentTempHigh' => int(
sprintf( "%.1f",
$data->{daily}->{data}->[$i]
->{apparentTemperatureHigh} ) + 0.5
),
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'apparentTempHighTime' => encode_utf8(strftime(
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"%a, %e %b %Y %H:%M",
localtime(
$data->{daily}->{data}->[$i]
->{apparentTemperatureHighTime}
)
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)),
'code' =>
$codes{ $data->{daily}->{data}->[$i]->{icon} },
'iconAPI' => $data->{daily}->{data}->[$i]->{icon},
'condition' => encode_utf8(
$data->{daily}->{data}->[$i]->{summary}
),
'ozone' => $data->{daily}->{data}->[$i]->{ozone},
'uvIndex' =>
$data->{daily}->{data}->[$i]->{uvIndex},
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'uvIndexTime' => encode_utf8(strftime(
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"%a, %e %b %Y %H:%M",
localtime(
$data->{daily}->{data}->[$i]->{uvIndexTime}
)
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)),
'dewPoint' => int(
sprintf( "%.1f",
$data->{daily}->{data}->[$i]->{dewPoint} )
+ 0.5
),
'humidity' =>
$data->{daily}->{data}->[$i]->{humidity} * 100,
'cloudCover' =>
$data->{daily}->{data}->[$i]->{cloudCover} * 100,
'wind_direction' =>
$data->{daily}->{data}->[$i]->{windBearing},
'wind' => int(
sprintf( "%.1f",
($data->{daily}->{data}->[$i]->{windSpeed} * 3.6) )
+ 0.5
),
'wind_speed' => int(
sprintf( "%.1f",
($data->{daily}->{data}->[$i]->{windSpeed} * 3.6) )
+ 0.5
),
'windGust' => int(
sprintf( "%.1f",
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($data->{daily}->{data}->[$i]->{windGust} * 3.6) )
+ 0.5
),
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'windGustTime' => encode_utf8(strftime(
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"%a, %e %b %Y %H:%M",
localtime(
$data->{daily}->{data}->[$i]->{windGustTime}
)
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)),
'moonPhase' =>
$data->{daily}->{data}->[$i]->{moonPhase},
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'sunsetTime' => encode_utf8(strftime(
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"%a, %e %b %Y %H:%M",
localtime(
$data->{daily}->{data}->[$i]->{sunsetTime}
)
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)),
'sunriseTime' => encode_utf8(strftime(
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"%a, %e %b %Y %H:%M",
localtime(
$data->{daily}->{data}->[$i]->{sunriseTime}
)
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)),
'pressure' => int(
sprintf( "%.1f",
$data->{daily}->{data}->[$i]->{pressure} )
+ 0.5
),
'visibility' => int(
sprintf( "%.1f",
$data->{daily}->{data}->[$i]->{visibility} )
+ 0.5
),
}
);
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$self->{cached}->{forecast}->{daily}[$i]{precipIntensityMax} = ( defined($data->{daily}->{data}->[$i]->{precipIntensityMax}) ? $data->{daily}->{data}->[$i]->{precipIntensityMax} : '-' );
$self->{cached}->{forecast}->{daily}[$i]{precipIntensity} = ( defined($data->{daily}->{data}->[$i]->{precipIntensity}) ? $data->{daily}->{data}->[$i]->{precipIntensity} : '-' );
$self->{cached}->{forecast}->{daily}[$i]{precipProbability} = ( defined($data->{daily}->{data}->[$i]->{precipProbability}) ? $data->{daily}->{data}->[$i]->{precipProbability} * 100 : '-' );
$self->{cached}->{forecast}->{daily}[$i]{precipType} = ( defined($data->{daily}->{data}->[$i]->{precipType}) ? $data->{daily}->{data}->[$i]->{precipType} : '-' );
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$self->{cached}->{forecast}->{daily}[$i]{precipIntensityMaxTime} = ( defined($data->{daily}->{data}->[$i]->{precipIntensityMaxTime}) ? encode_utf8(strftime("%a, %e %b %Y %H:%M",localtime($data->{daily}->{data}->[$i]->{precipIntensityMaxTime}) )) : '-' );
$i++;
}
if ( ref( $data->{hourly}->{data} ) eq "ARRAY"
and scalar( @{ $data->{hourly}->{data} } ) > 0 )
{
### löschen des alten Datensatzes
delete $self->{cached}->{forecast}->{hourly};
my $i = 0;
foreach ( @{ $data->{hourly}->{data} } ) {
push(
@{ $self->{cached}->{forecast}->{hourly} },
{
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'pubDate' => encode_utf8(strftime(
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"%a, %e %b %Y %H:%M",
localtime(
$data->{hourly}->{data}->[$i]->{'time'}
)
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)),
'day_of_week' => strftime(
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"%a, %H:%M",
localtime(
$data->{hourly}->{data}->[$i]->{'time'}
)
),
'temperature' => sprintf( "%.1f", $data->{hourly}->{data}->[$i]->{temperature} ),
'code' =>
$codes{ $data->{hourly}->{data}->[$i]->{icon} },
'iconAPI' => $data->{hourly}->{data}->[$i]->{icon},
'condition' => encode_utf8(
$data->{hourly}->{data}->[$i]->{summary}
),
'ozone' => $data->{hourly}->{data}->[$i]->{ozone},
'uvIndex' =>
$data->{hourly}->{data}->[$i]->{uvIndex},
'dewPoint' => sprintf( "%.1f",
$data->{hourly}->{data}->[$i]->{dewPoint} ),
'humidity' =>
$data->{hourly}->{data}->[$i]->{humidity} * 100,
'cloudCover' =>
$data->{hourly}->{data}->[$i]->{cloudCover} * 100,
'wind_direction' =>
$data->{hourly}->{data}->[$i]->{windBearing},
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'wind' => int(
sprintf( "%.1f",
($data->{hourly}->{data}->[$i]->{windSpeed} * 3.6) )
+ 0.5
),
'wind_speed' => int(
sprintf( "%.1f",
($data->{hourly}->{data}->[$i]->{windSpeed} * 3.6) )
+ 0.5
),
'windGust' => int(
sprintf( "%.1f",
($data->{hourly}->{data}->[$i]->{windGust} * 3.6) )
+ 0.5
),
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'pressure' => sprintf( "%.1f",
$data->{hourly}->{data}->[$i]->{pressure} ),
'visibility' => sprintf( "%.1f",
$data->{hourly}->{data}->[$i]->{visibility} ),
}
);
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$self->{cached}->{forecast}->{hourly}[$i]{precipIntensity} = ( defined($data->{hourly}->{data}->[$i]->{precipIntensity}) ? $data->{hourly}->{data}->[$i]->{precipIntensity} : '-' );
$self->{cached}->{forecast}->{hourly}[$i]{precipProbability} = ( defined($data->{hourly}->{data}->[$i]->{precipProbability}) ? $data->{hourly}->{data}->[$i]->{precipProbability} * 100 : '-' );
$self->{cached}->{forecast}->{hourly}[$i]{precipType} = ( defined($data->{hourly}->{data}->[$i]->{precipType}) ? $data->{hourly}->{data}->[$i]->{precipType} : '-' );
$i++;
}
}
}
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}
}
else { _ErrorHandling( $self, 'DarkSky Weather ' . $response ); }
}
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## Aufruf der callbackFn
_CallWeatherCallbackFn($self);
}
sub _CallWeatherCallbackFn($) {
my $self = shift;
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# ## Aufruf der callbackFn
main::Weather_RetrieveCallbackFn( $self->{devName} );
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}
sub _ErrorHandling($$) {
my ( $self, $err ) = @_;
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$self->{cached}->{current_date_time} =
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encode_utf8(strftime( "%a, %e %b %Y %H:%M", localtime( $self->{fetchTime} ) )),
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$self->{cached}->{status} = $err;
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$self->{cached}->{validity} = 'stale';
}
sub _CreateForecastRef($) {
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my $self = shift;
my $forecastRef = (
{
lat => $self->{lat},
long => $self->{long},
apiMaintainer =>
'Leon Gaultier (<a href=https://forum.fhem.de/index.php?action=profile;u=13684>CoolTux</a>)',
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apiVersion => VERSION,
}
);
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return $forecastRef;
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}
##############################################################################
1;