Refactor code
* move plugins out of botlib.pm * use make_path instead of mkpath * squash some bugs * update .gitignore * use more correct randomizer, rather than perl own rand() * coding style fixes
This commit is contained in:
eleksir
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lib/weather.pm
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200
lib/weather.pm
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package weather;
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use 5.018;
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use strict;
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use warnings;
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use utf8;
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use open qw (:std :utf8);
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use English qw ( -no_match_vars );
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use Carp qw (carp cluck);
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use DB_File;
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use Digest::MD5 qw (md5_base64);
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use File::Path qw (make_path);
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use HTTP::Tiny;
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use JSON::XS;
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use conf qw (loadConf);
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use util qw (trim urlencode);
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use version; our $VERSION = qw (1.0);
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use Exporter qw (import);
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our @EXPORT_OK = qw (weather);
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my $c = loadConf ();
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sub weather {
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my $city = shift;
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$city = trim $city;
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return 'Мне нужно ИМЯ города.' if ($city eq '');
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return 'Длинновато для названия города.' if (length ($city) > 80);
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$city = ucfirst $city;
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my $w = __weather ($city);
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my $reply;
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if ($w) {
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if ($w->{temperature_min} == $w->{temperature_max}) {
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$reply = sprintf ("Погода в городе %s, %s:\n%s, ветер %s %s м/c, температура %s°C, ощущается как %s°C, относительная влажность %s%%, давление %s мм.рт.с",
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$w->{name},
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$w->{country},
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ucfirst ($w->{description}),
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$w->{wind_direction},
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$w->{wind_speed},
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$w->{temperature_min},
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$w->{temperature_feelslike},
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$w->{humidity},
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$w->{pressure}
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);
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} else {
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$reply = sprintf ("Погода в городе %s, %s:\n%s, ветер %s %s м/c, температура %s-%s°C, ощущается как %s°C, относительная влажность %s%%, давление %s мм.рт.ст",
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$w->{name},
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$w->{country},
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ucfirst ($w->{description}),
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$w->{wind_direction},
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$w->{wind_speed},
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$w->{temperature_min},
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$w->{temperature_max},
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$w->{temperature_feelslike},
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$w->{humidity},
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$w->{pressure}
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);
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}
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} else {
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$reply = "Я не знаю, какая погода в $city";
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}
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return $reply;
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}
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sub __weather {
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my $city = shift;
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$city = urlencode $city;
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my $id = md5_base64 $city;
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my $appid = $c->{openweathermap}->{appid};
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my $cachedir = $c->{openweathermap}->{cachedir};
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my $cachetimefile = $cachedir . '/openweathermap.Id-Timestamp.db';
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my $cachedatafile = $cachedir . '/openweathermap.Id-Data.db';
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my $now = time ();
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my $fc;
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my $w;
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unless (-d $cachedir) {
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make_path ($cachedir) || do {
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cluck "[ERROR] Unable to create $cachedir: $OS_ERROR";
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return;
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};
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}
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# attach to cache data
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tie my %cachetime, 'DB_File', $cachetimefile or do {
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carp "[ERROR] Something nasty happen when cachetime ties to its data: $OS_ERROR";
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return undef;
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};
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tie my %cachedata, 'DB_File', $cachedatafile or do {
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carp "[ERROR] Something nasty happen when cachedata ties to its data: $OS_ERROR";
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return undef;
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};
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# lookup cache
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if (defined ($cachetime{$id}) && ($now - $cachetime{$id}) < 10800) {
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$fc = decode_json $cachedata{$id};
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} else {
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my $r;
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# try 3 times and giveup
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for (1..3) {
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my $http = HTTP::Tiny->new (timeout => 3);
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$r = $http->get (sprintf ('http://api.openweathermap.org/data/2.5/weather?q=%s&lang=ru&APPID=%s', $city, $appid));
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if ($r->{success}) {
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last;
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}
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sleep 2;
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}
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# all 3 times can give error, so check it here
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if ($r->{success}) {
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$fc = eval {
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decode_json $r->{content};
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};
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if ($EVAL_ERROR) {
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cluck "[WARN] openweathermap returns corrupted json: $EVAL_ERROR";
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untie %cachetime;
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untie %cachedata;
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return undef;
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};
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$cachetime{$id} = $now;
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$cachedata{$id} = encode_json $fc;
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} else {
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cluck sprintf 'Server return status %s with message: %s', $r->{status}, $r->{reason};
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untie %cachetime;
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untie %cachedata;
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return undef;
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}
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}
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untie %cachetime;
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untie %cachedata;
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# TODO: check all of this for existance
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$w->{'name'} = $fc->{name};
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$w->{'state'} = $fc->{state};
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$w->{'country'} = $fc->{sys}->{country};
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$w->{'longitude'} = $fc->{coord}->{lon};
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$w->{'latitude'} = $fc->{coord}->{lat};
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$w->{'temperature_min'} = int ($fc->{main}->{temp_min} - 273.15);
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$w->{'temperature_max'} = int ($fc->{main}->{temp_max} - 273.15);
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$w->{'temperature_feelslike'} = int ($fc->{main}->{feels_like} - 273.15);
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$w->{'humidity'} = $fc->{main}->{humidity};
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$w->{'pressure'} = int ($fc->{main}->{pressure} * 0.75006375541921);
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$w->{'description'} = $fc->{weather}->[0]->{description};
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$w->{'wind_speed'} = $fc->{wind}->{speed};
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$w->{'wind_direction'} = 'разный';
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my $dir = int ($fc->{wind}->{deg} + 0);
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if ($dir == 0) {
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$w->{'wind_direction'} = 'северный';
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} elsif ($dir > 0 && $dir <= 30) {
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$w->{'wind_direction'} = 'северо-северо-восточный';
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} elsif ($dir > 30 && $dir <= 60) {
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$w->{'wind_direction'} = 'северо-восточный';
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} elsif ($dir > 60 && $dir < 90) {
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$w->{'wind_direction'} = 'восточно-северо-восточный';
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} elsif ($dir == 90) {
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$w->{'wind_direction'} = 'восточный';
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} elsif ($dir > 90 && $dir <= 120) {
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$w->{'wind_direction'} = 'восточно-юго-восточный';
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} elsif ($dir > 120 && $dir <= 150) {
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$w->{'wind_direction'} = 'юговосточный';
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} elsif ($dir > 150 && $dir < 180) {
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$w->{'wind_direction'} = 'юго-юго-восточный';
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} elsif ($dir == 180) {
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$w->{'wind_direction'} = 'южный';
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} elsif ($dir > 180 && $dir <= 210) {
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$w->{'wind_direction'} = 'юго-юго-западный';
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} elsif ($dir > 210 && $dir <= 240) {
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$w->{'wind_direction'} = 'юго-западный';
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} elsif ($dir > 240 && $dir < 270) {
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$w->{'wind_direction'} = 'западно-юго-западный';
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} elsif ($dir == 270) {
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$w->{'wind_direction'} = 'западный';
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} elsif ($dir > 270 && $dir <= 300) {
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$w->{'wind_direction'} = 'западно-северо-западный';
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} elsif ($dir > 300 && $dir <= 330) {
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$w->{'wind_direction'} = 'северо-западный';
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} elsif ($dir > 330 && $dir < 360) {
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$w->{'wind_direction'} = 'северо-северо-западный';
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} elsif ($dir == 360) {
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$w->{'wind_direction'} = 'северный';
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}
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return $w;
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}
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1;
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# vim: set ft=perl noet ai ts=4 sw=4 sts=4:
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