Fetch maintainers from archweb

Signed-off-by: Florian Pritz <bluewind@xinu.at>

5 files changed, 104 insertions, 12 deletions

diff --git a/README.md b/README.md
index 9ba9828..03523a9 100644
--- a/README.md
+++ b/README.md
@@ -41,17 +41,17 @@ updated. The returned packages contain the name of the distribution, the name
 of the pacman package, and the versions of each, the pacman package (which is
 older) and the CPAN distribution.
 
-### get\_maintainer
+### get\_maintainers
 
-    my $maintainer = $app->get_maintainer($pkgname);
+    my $maintainers = $app->get_maintainers($pkgname);
 
-Accepts a package name and returns the maintainer of the package.
+Accepts a package name and returns the maintainers of the package.
 
 ### add\_maintainers
 
     my $packages = $app->get_updateable_packages($distribution_names);
     my $packages_with_maintainer = $app->add_maintainers($packages);
-    print $packages_with_maintainer->[0]->{maintainer};
+    print $packages_with_maintainer->[0]->{maintainers}->[0]->{name};
 
 Accepts a list of packages (hashes with the pkgname key) and returns a list
 with the maintainer key added to each package.
diff --git a/cpanfile b/cpanfile
index 8c62da1..2896443 100644
--- a/cpanfile
+++ b/cpanfile
@@ -12,6 +12,7 @@ requires 'TOML';
 requires 'autodie';
 requires 'perl', 'v5.24.0';
 requires 'strictures';
+requires 'WWW::JSON';
 requires 'version';
 
 on configure => sub {
diff --git a/lib/App/ArchLinux/PackagerTools.pm b/lib/App/ArchLinux/PackagerTools.pm
index 216c54c..720f056 100644
--- a/lib/App/ArchLinux/PackagerTools.pm
+++ b/lib/App/ArchLinux/PackagerTools.pm
@@ -11,6 +11,7 @@ use Log::Any qw($log);
 use App::ArchLinux::PackagerTools::Pacman;
 use App::ArchLinux::PackagerTools::CPAN;
 use App::ArchLinux::PackagerTools::Config;
+use App::ArchLinux::PackagerTools::Archweb;
 
 =encoding utf-8
 
@@ -41,6 +42,7 @@ method new($class: $context = {}, $deps = {}) {
 	$deps->{config} //= App::ArchLinux::PackagerTools::Config->new($context);
 	$deps->{cpan} //= App::ArchLinux::PackagerTools::CPAN->new($context);
 	$deps->{pacman} //= App::ArchLinux::PackagerTools::Pacman->new($context);
+	$deps->{archweb} //= App::ArchLinux::PackagerTools::Archweb->new($context);
 	return $class->new_no_defaults($context, $deps);
 }
 
@@ -107,24 +109,23 @@ method get_updateable_packages($distribution_names) {
 	return \@packages;
 }
 
-=head3 get_maintainer
+=head3 get_maintainers
 
- my $maintainer = $app->get_maintainer($pkgname);
+ my $maintainers = $app->get_maintainers($pkgname);
 
-Accepts a package name and returns the maintainer of the package.
+Accepts a package name and returns the maintainers of the package.
 
 =cut
 
-method get_maintainer($pkgname) {
-	# TODO fetch maintainer from archweb + cache the value. use CHI
-	return "bluewind\@xinu.at";
+method get_maintainers($pkgname) {
+	return $self->{deps}->{archweb}->get_maintainers($pkgname);
 }
 
 =head3 add_maintainers
 
  my $packages = $app->get_updateable_packages($distribution_names);
  my $packages_with_maintainer = $app->add_maintainers($packages);
- print $packages_with_maintainer->[0]->{maintainer};
+ print $packages_with_maintainer->[0]->{maintainers}->[0]->{name};
 
 Accepts a list of packages (hashes with the pkgname key) and returns a list
 with the maintainer key added to each package.
@@ -137,7 +138,7 @@ method add_maintainers($packages) {
 	for my $package ($packages->@*) {
 		push @packages_with_maintainer, {
 			$package->%*,
-			maintainer => $self->get_maintainer($package->{pkgname}),
+			maintainers => $self->get_maintainers($package->{pkgname}),
 		};
 	}
 	return \@packages_with_maintainer;
diff --git a/lib/App/ArchLinux/PackagerTools/Archweb.pm b/lib/App/ArchLinux/PackagerTools/Archweb.pm
new file mode 100644
index 0000000..5f3bcfa
--- /dev/null
+++ b/lib/App/ArchLinux/PackagerTools/Archweb.pm
@@ -0,0 +1,86 @@
+package App::ArchLinux::PackagerTools::Archweb;
+use strictures;
+
+use autodie;
+use Function::Parameters;
+use Log::Any qw($log);
+use WWW::JSON;
+
+use App::ArchLinux::PackagerTools::Cache;
+use App::ArchLinux::PackagerTools::Config;
+
+=head1 NAME
+
+App::ArchLinux::PackagerTools::Archweb - ShortDesc
+
+=head1 SYNOPSIS
+
+use App::ArchLinux::PackagerTools::Archweb;
+
+# synopsis...
+
+=head1 DESCRIPTION
+
+# longer description...
+
+=head1 METHODS
+
+=head2 new
+
+ my $archweb = App::ArchLinux::PackagerTools::Archweb->new();
+
+Returns a new instance.
+
+=cut
+
+method new($class: $context, $deps = {}) {
+	$deps->{config} //= App::ArchLinux::PackagerTools::Config->new($context);
+	$deps->{cache} //= App::ArchLinux::PackagerTools::Cache->new($context);
+
+	my $base_url = $deps->{config}->get_config()->{archweb}->{base_url};
+	$deps->{wj} //= WWW::JSON->new(base_url => $base_url);
+
+	return $class->new_no_defaults($context, $deps);
+}
+
+method new_no_defaults($class: $context, $deps = {}) {
+	return $context->{$class} if defined $context->{$class};
+
+	my $self = {};
+	bless $self, $class;
+	$self->{deps} = $deps;
+	$context->{$class} = $self;
+	return $self;
+}
+
+=head2 Public Methods
+
+=cut
+
+=head3 get_maintainers
+
+ my $maintainers = $archweb->get_maintainers($pkgname);
+ print $maintainers->[0]->{name};
+
+Return a list with the names of the maintainers of a package.
+
+=cut
+
+method get_maintainers($pkgname) {
+	my $cache_timeout = $self->{deps}->{config}->{archweb}->{cache_timeout};
+	my $json = $self->{deps}->{cache}->compute("archweb-package-json-$pkgname", $cache_timeout, sub {
+		$log->debugf("Gettings maintainers for pkgname: %s", $pkgname);
+		my $res = $self->{deps}->{wj}->get("/packages/search/json", {name => $pkgname});
+		my $json = $res->res;
+		croak $log->errorf("API returned no result for search for package %s", $pkgname) if $json->{results}->@* == 0 or !$res->success;
+		$log->debugf("Result is %s", $json);
+		return $json;
+	});
+	my $maintainers = $json->{results}->[0]->{maintainers};
+	$log->debugf("Found maintainers: %s", $maintainers);
+	return [map {name => $_}, $maintainers->@*];
+}
+
+1;
+
+__END__
diff --git a/lib/App/ArchLinux/PackagerTools/Config.pm b/lib/App/ArchLinux/PackagerTools/Config.pm
index 8fab001..417c925 100644
--- a/lib/App/ArchLinux/PackagerTools/Config.pm
+++ b/lib/App/ArchLinux/PackagerTools/Config.pm
@@ -103,6 +103,10 @@ method _get_default_config() {
 		cache => {
 			root_dir => path(($ENV{XDG_CACHE_HOME} // $ENV{HOME}."/.cache")."/perlpkg/v1/")->stringify(),
 		},
+		archweb => {
+			cache_timeout => '60m',
+			base_url => 'https://www.archlinux.org/',
+		},
 		cpan => {
 			cache_timeout => '60m',
 			mirror_url => 'https://cpan.metacpan.org/',