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package LastFM::Export;
use Moose;
# ABSTRACT: data exporter for last.fm
use Data::Stream::Bulk::Callback;
use Net::LastFM;
=head1 SYNOPSIS
use LastFM::Export;
my $exporter = LastFM::Export->new(user => 'doyster');
my $stream = $exporter->tracks;
while (my $block = $stream->next) {
for my $track (@$block) {
# ...
}
sleep 1;
}
=head1 DESCRIPTION
This module uses the L<http://last.fm/> API to allow you to export your
scrobbling data from your account. Currently, the only thing this lets you
export is your actual scrobble data, but more features may be added in the
future (especially if the feature requests come with patches!).
=cut
=attr user
last.fm user to export data for. Required.
=cut
has user => (
is => 'ro',
isa => 'Str',
required => 1,
);
has api_key => (
is => 'ro',
isa => 'Str',
default => '30b55f2e2e78056b16dbb15cb0899c2d',
);
has lastfm => (
is => 'ro',
isa => 'Net::LastFM',
lazy => 1,
default => sub {
my $self = shift;
Net::LastFM->new(
api_key => $self->api_key,
api_secret => '',
);
},
);
=method track_count(%params)
Returns the number of tracks the user has scrobbled.
C<%params> can contain C<from> and C<to> keys, as documented
L<here|http://www.last.fm/api/show/user.getRecentTracks>.
=cut
sub track_count {
my $self = shift;
my (%params) = @_;
$params{method} = 'user.getRecentTracks';
$params{user} = $self->user;
$params{limit} = 1;
return $self->lastfm->request(%params)->{recenttracks}{'@attr'}{total};
}
=method tracks(%params)
Returns a L<Data::Stream::Bulk> object, which will stream the entire list of
tracks that the user has scrobbled. Note that calling C<all> on this object is
B<not> recommended, since you will likely hit the last.fm API's rate limit.
Each call to C<next> on this stream will require a separate API call.
C<%params> can contain C<page>, C<limit>, C<from>, and C<to> keys, as
documented L<here|http://www.last.fm/api/show/user.getRecentTracks>. C<page>
will default to C<1> and C<limit> will default to C<200> if not specified.
Returns
=cut
sub tracks {
my $self = shift;
my (%params) = @_;
$params{method} = 'user.getRecentTracks';
$params{user} = $self->user;
$params{limit} ||= 200;
$params{page} ||= 1;
return Data::Stream::Bulk::Callback->new(
callback => sub {
my $data = $self->lastfm->request(%params);
return if $params{page} > $data->{recenttracks}{'@attr'}{totalPages};
$params{page}++;
return $data->{recenttracks}{track};
},
);
}
__PACKAGE__->meta->make_immutable;
no Moose;
=head1 BUGS
No known bugs.
Please report any bugs to GitHub Issues at
L<https://github.com/doy/lastfm-export/issues>.
=head1 SEE ALSO
L<Net::LastFM>
L<http://last.fm/>
=head1 SUPPORT
You can find this documentation for this module with the perldoc command.
perldoc LastFM::Export
You can also look for information at:
=over 4
=item * MetaCPAN
L<https://metacpan.org/release/LastFM-Export>
=item * Github
L<https://github.com/doy/lastfm-export>
=item * RT: CPAN's request tracker
L<http://rt.cpan.org/NoAuth/Bugs.html?Dist=LastFM-Export>
=item * CPAN Ratings
L<http://cpanratings.perl.org/d/LastFM-Export>
=back
=cut
1;
|
