From: Ralf Ertzinger <ralf@skytale.net>
Date: Mon, 21 Jun 2010 20:30:05 +0000 (+0200)
Subject: Add a grabber for Twitter status messages
X-Git-Url: https://git.camperquake.de/gitweb.cgi?p=quotesite.git;a=commitdiff_plain;h=89a192885c8132e2fe1076faa442e46627e31ba7

Add a grabber for Twitter status messages
---

diff --git a/quotesite/TwitterGrabber.pm b/quotesite/TwitterGrabber.pm
new file mode 100644
index 0000000..57e0ec4
--- /dev/null
+++ b/quotesite/TwitterGrabber.pm
@@ -0,0 +1,71 @@
+# (c) 2010 by Ralf Ertzinger <ralf@camperquake.de>
+# licensed under GNU GPL v2
+#
+# Grabber for twitter
+
+package TwitterGrabber;
+
+use GrabberBase;
+@ISA = qw(GrabberBase);
+
+use LWP::Simple qw(!get);
+use Data::Dumper;
+use XML::Simple;
+use Encode;
+
+use strict;
+
+sub new {
+    my $class = shift;
+    my $self = $class->SUPER::new();
+
+    $self->{'NAME'} = 'twitter.com';
+    $self->{'PATTERNS'} = ['(http://twitter.com/[^/]+/status/(\d+))'];
+
+    bless($self, $class);
+    $self->_prepare_parameters();
+
+    return $self;
+}
+
+sub _parse {
+    my $self = shift;
+    my $url = shift;
+    my $pattern = shift;
+    my $content;
+    my $metadata = {};
+    my $p = XML::Simple->new();
+    my $t;
+
+    $url =~ m|$pattern|;
+    $url = $1;
+
+    $metadata->{'URL'} = $url;
+    $metadata->{'ID'} = $2;
+    $metadata->{'TYPE'} = 'quote';
+    $metadata->{'SOURCE'} = $self->{'NAME'};
+    $metadata->{'CONTENT'} = undef;
+
+    # Get the XML file containing the quote
+    unless(defined($content = LWP::Simple::get(sprintf('http://api.twitter.com/1/statuses/show/%s.xml', $2)))) {
+        $self->error('Could not download quote');
+        return undef;
+    }
+
+    unless(defined($t = $p->XMLin($content))) {
+        $self->error('Could not parse XML metadata');
+        return undef;
+    }
+
+    $metadata->{'CONTENT'} = $t->{'text'};
+    $metadata->{'ID'} = $t->{'user'}->{'screen_name'} . '/' . $metadata->{'ID'};
+
+    unless(defined($metadata->{'CONTENT'})) {
+        $self->error('Could not extract quote content');
+        return undef;
+    }
+
+    return $metadata;
+}
+
+1;