#!/usr/bin/perl
# Copyright (c) 2006 Eclipse Foundation, made available under EPL v1.0
# Contributors Ward Cunningham, Bjorn Freeman-Benson
#
# usage:
# cat projects.txt | ./extract.pl > TEXT_FILE_OF_ARTICLES
#
# alternate:
# extract.pl --ignoretime

use strict;
use Net::NNTP;
# see http://perldoc.perl.org/Net/NNTP.html

my $dir = `pwd`;
my $ignoretime = 0;
$_ = shift;
$ignoretime = /\-\-ignoretime/;

my $last;
if (-e 'last.time' && !$ignoretime) {
	$last = `date -r last.time +'%Y/%m/%d %H:%M:%S'`;
	print stderr "incremental extract from $last\n";
} else {
	print stderr "full extract\n";
}

my ($proj, $group);
my $nntp = new Net::NNTP( "news.eclipse.org" );
$nntp->authinfo( "exquisitus", "flinder1f7" );

for (<STDIN>) {
	chomp;
	$proj = $1 if( /^Project: ([A-Za-z._-]+)/ );
	print stderr ".";
	process( $proj, $1 ) if( /^Newsgroup: ([A-Za-z._-]+)/ );
}

$nntp->quit();

sub process {
	my $proj = shift;
	my $group = shift;
	my $newnews = $nntp->newnews( 0, $group );
	foreach my $messageid ( @$newnews ) {
		my $head = $nntp->head( $messageid );
		print "Project: $proj\n";
		print "Newsgroup: $group\n";
		foreach my $line ( @$head ) {
			print $line;
		}
		print "-----------------------\n";
	}
}