package App::DuckPAN::DDG;
BEGIN {
$App::DuckPAN::DDG::AUTHORITY = 'cpan:DDG';
}
# ABSTRACT: DDG related functionality of duckpan
$App::DuckPAN::DDG::VERSION = '0.149';
use Moo;
with 'App::DuckPAN::HasApp';
use Module::Pluggable::Object;
use Class::Load ':all';
use Data::Printer;
sub get_dukgo_user_pass {
my ( $self ) = @_;
my $config = $self->app->perl->get_dzil_config;
unless (defined $config->{'%DUKGO'}) {
shift->app->print_text(
"[ERROR] No configuration found for your https://duck.co/ username and password, please use: 'dzil setup' first!",
);
exit 1;
}
return $config->{'%DUKGO'}->{username}, $config->{'%DUKGO'}->{password};
}
# This function tells the user which modules / instant answers failed to load.
sub print_failed_modules {
my %failed_to_load = %{shift @_};
# Print out the missing modules in color.
if(%failed_to_load) {
print "\nThese instant answers were not loaded:\n";
p(%failed_to_load);
print "To learn more about installing Perl dependencies, please read https://duck.co/duckduckhack/faq#how-do-i-install-a-missing-perl-dependency.\n";
print "Note: You can ignore these errors if you're not working on these instant answers.\n";
}
}
sub get_blocks_from_current_dir {
my ( $self, @args ) = @_;
unless ($self->app->get_local_ddg_version) {
print "\n[ERROR] You need to have the DDG distribution installed\n";
print "\nTo get the installation command, please run: duckpan check\n\n";
exit 1;
}
my $finder = Module::Pluggable::Object->new(
search_path => ['lib/DDG/Spice','lib/DDG/Goodie','lib/DDG/Fathead','lib/DDG/Longtail'],
);
if (scalar @args == 0) {
my @plugins = $finder->plugins;
push @args, sort { $a cmp $b } @plugins;
} else {
@args = map { $_ = "lib::DDG::$_" unless m,^lib(::|/)DDG,; $_; } @args;
}
@args = map {
$_ =~ s!/!::!g;
my @parts = split('::',$_);
shift @parts;
join('::',@parts);
} @args;
unless (@args) {
print "\n[ERROR] No DDG::Goodie::*, DDG::Spice::*, DDG::Fathead::* or DDG::Longtail::* packages found\n";
print "\nHint: You must be in the root of your repository so that this works.\n\n";
exit 1;
}
require lib;
lib->import('lib');
print "\nUsing the following DDG instant answers:\n\n";
# This list contains all of the classes that loaded successfully.
my @successfully_loaded = ();
# This hash contains all of the modules that failed.
# The key contains the module name and the value contains the dependency that wasn't met.
my %failed_to_load = ();
# This loop goes through each Goodie / Spice, and it tries to load it.
foreach my $class (@args) {
# Let's try to load each Goodie / Spice module
# and see if they load successfully.
my ($load_success, $load_error_message) = try_load_class($class);
# If they load successfully, $load_success would be a 1.
# Otherwise, it would be a 0.
if($load_success) {
# Since we only want the successful classes to trigger, we
# collect all of the ones that triggered successfully in a temporary list.
push @successfully_loaded, $class;
# Display to the user when a class has been successfully loaded.
print " - $class (" . $class->triggers_block_type . ")\n";
} else {
# Get the module name that needs to be installed by the user.
if($load_error_message =~ /Can't locate ([^\.]+).pm in \@INC/) {
$load_error_message = $1;
$load_error_message =~ s/\//::/g;
$failed_to_load{$class} = "Please install $load_error_message and any other required dependencies to use this instant answer.";
} else {
# We just set the value to whatever the error message was if it failed for some other reason.
$failed_to_load{$class} = $load_error_message;
}
}
}
# Since @args can contain modules that we don't want to trigger (since they didn't load in the first place),
# and @successfully_loaded does, we just use what's in @successfully_loaded.
@args = @successfully_loaded;
# Now let's tell the user why some of the modules failed.
print_failed_modules(\%failed_to_load);
my %blocks_plugins;
for (@args) {
unless ($blocks_plugins{$_->triggers_block_type}) {
$blocks_plugins{$_->triggers_block_type} = [];
}
push @{$blocks_plugins{$_->triggers_block_type}}, $_;
}
my @blocks;
for (keys %blocks_plugins) {
my $block_class = 'DDG::Block::'.$_;
load_class($block_class);
push @blocks, $block_class->new( plugins => $blocks_plugins{$_}, return_one => 0 );
}
load_class('DDG::Request');
return \@blocks;
}
1;
__END__
=pod
=head1 NAME
App::DuckPAN::DDG - DDG related functionality of duckpan
=head1 VERSION
version 0.149
=head1 AUTHOR
Torsten Raudssus <torsten@raudss.us> L<https://raudss.us/>
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2013 by DuckDuckGo, Inc. L<https://duckduckgo.com/>.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut