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silverstripe-blog
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FEATURE: Add send trackback notification

This commit is contained in:
Saophalkun Ponlu 2010-06-22 01:13:10 +00:00
parent dc879cb49f
commit 68df540615
4 changed files with 207 additions and 28 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
code/BlogEntry.php
View File

@ -265,4 +265,3 @@ class BlogEntry_Controller extends Page_Controller {
}
}
?>

101
code/TrackBackDecorator.php
View File

@ -1,13 +1,84 @@
<?php
/**
* TODO: Multiple trackback urls for each blog entry
*/
class TrackBackDecorator extends DataObjectDecorator {
static $trackback_server_class = 'TrackbackHTTPServer';
function extraStatics() {
return array(
'db' => array(
'TrackbackURL' => 'Varchar(2048)',
'PungTrackbackURL' => 'Varchar(2048)'
),
'has_many' => array(
'TrackBacks' => 'TrackBackPing'
)
);
}
function updateCMSFields($fields) {
// Trackback URL field
if($this->owner->TrackBacksEnabled()) {
$fields->addFieldToTab("Root.Content.Main", new TextField("TrackbackURL", _t("BlogEntry.TRACKBACKURL", "Trackback URL")), "Content");
}
else {
$fields->addFieldToTab("Root.Content.Main", new ReadonlyField("TrackbackURLReadOnly", _t("BlogEntry.TRACKBACKURL", "Trackback URL"), _t("BlogEntry.TRACKBACKURL_DISABLED", "To use this feature, please check 'Enable TrackBacks' check box on the blog holder.")), "Content");
}
}
function onBeforePublish() {
$owner = $this->owner;
if(!empty($owner->TrackbackURL) && $owner->TrackBacksEnabled() && $owner->ShouldTrackbackNotify()) {
if($this->trackbackNotify()) {
$owner->PungTrackbackURL = $owner->TrackbackURL;
$owner->write();
}
}
}
/**
* Trackback notify the specified trackback url
* @param boolean | true on success, otherwise false
*/
function trackbackNotify() {
$owner = $this->owner;
$content = new HTMLText('Content');
$content->setValue($owner->Content);
$excerpt = $content->FirstParagraph();
if($owner->Parent() && $owner->ParentID > 0) {
$blogName = $owner->Parent()->Title;
}
else {
$blogName = "";
}
$postData = array(
'url' => $owner->AbsoluteLink(),
'title' => $owner->Title,
'excerpt' => $excerpt,
'blog_name' => $blogName
);
$controller = Object::create(self::$trackback_server_class);
$response = $controller->request($owner->TrackbackURL, $postData);
if($response->getStatusCode() == '200' && stripos($response->getBody(), "<error>0</error>") !== false) {
return true;
}
return false;
}
function ShouldTrackbackNotify() {
return (trim($this->owner->TrackbackURL) != '' && $this->owner->TrackbackURL != $this->owner->PungTrackbackURL);
}
function updateMetaTags(&$tags) {
$tags .= $this->owner->renderWith('TrackBackRdf');
@ -49,4 +120,32 @@ class TrackBackDecorator extends DataObjectDecorator {
}
}
/**
* Example:
* $controller = Object::create('TrackbackHTTPClient');
* $response = $controller->request(new SS_HTTPRequest('POST', $url, null, $postData));
*/
class TrackbackHTTPServer {
function __construct() {}
/**
* @param string
* @param array
* @return SS_HTTPResponse
*/
function request($url, $data) {
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
$response = curl_exec($ch);
$statusCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
return new SS_HTTPResponse($response, $statusCode);
}
}
?>

26
tests/BlogEntryTest.php
View File

@ -28,30 +28,4 @@ class BlogEntryTest extends SapphireTest {
BlogEntry::$allow_wysiwyg_editing = $tmpFlag;
}
function testTrackback() {
$blog = $this->objFromFixture('BlogHolder', 'mainblog');
$blog->TrackBacksEnabled = true;
$blog->write();
$entry = $this->objFromFixture('BlogEntry', 'testpost');
$response = $entry->trackbackping();
$this->assertContains("<error>1</error>", $response);
$_POST['url'] = 'test trackback post url';
$_POST['title'] = 'test trackback post title';
$_POST['excerpt'] = 'test trackback post excerpt';
$_POST['blog_name'] = 'test trackback blog name';
$response = $entry->trackbackping();
$this->assertContains("<error>0</error>", $response);
$trackback = DataObject::get_one('TrackBackPing');
$this->assertEquals('test trackback post url', $trackback->Url);
$this->assertEquals('test trackback post title', $trackback->Title);
$this->assertEquals('test trackback post excerpt', $trackback->Excerpt);
$this->assertEquals('test trackback blog name', $trackback->BlogName);
unset($_POST);
}
}

107
tests/BlogTrackbackTest.php Normal file
View File

@ -0,0 +1,107 @@
<?php
/**
* @package blog
* @subpackage tests
*/
class BlogTrackbackTest extends SapphireTest {
static $fixture_file = 'blog/tests/BlogTest.yml';
function testTrackback() {
$blog = $this->objFromFixture('BlogHolder', 'mainblog');
$blog->TrackBacksEnabled = true;
$blog->write();
$entry = $this->objFromFixture('BlogEntry', 'testpost');
$response = $entry->trackbackping();
$this->assertContains("<error>1</error>", $response);
$_POST['url'] = 'test trackback post url';
$_POST['title'] = 'test trackback post title';
$_POST['excerpt'] = 'test trackback post excerpt';
$_POST['blog_name'] = 'test trackback blog name';
$response = $entry->trackbackping();
$this->assertContains("<error>0</error>", $response);
$trackback = DataObject::get_one('TrackBackPing');
$this->assertEquals('test trackback post url', $trackback->Url);
$this->assertEquals('test trackback post title', $trackback->Title);
$this->assertEquals('test trackback post excerpt', $trackback->Excerpt);
$this->assertEquals('test trackback blog name', $trackback->BlogName);
unset($_POST);
}
function testShouldTrackbackNotify() {
$blog = $this->objFromFixture('BlogHolder', 'mainblog');
$blog->TrackBacksEnabled = true;
$entry = $this->objFromFixture('BlogEntry', 'testpost');
$this->assertFalse($entry->ShouldTrackbackNotify());
$entry = $this->objFromFixture('BlogEntry', 'testpost');
$entry->TrackbackURL = ' ';
$this->assertFalse($entry->ShouldTrackbackNotify());
$entry = $this->objFromFixture('BlogEntry', 'testpost');
$entry->TrackbackURL = 'someurl';
$this->assertTrue($entry->ShouldTrackbackNotify());
}
function testTrackbackNotify() {
$tmpServerClass = TrackBackDecorator::$trackback_server_class;
TrackBackDecorator::$trackback_server_class = "TestTrackbackHTTPServer";
$blog = $this->objFromFixture('BlogHolder', 'mainblog');
$blog->TrackBacksEnabled = true;
$entry = $this->objFromFixture('BlogEntry', 'testpost');
$entry->TrackbackURL = 'testGoodTrackbackURL';
$this->assertTrue($entry->trackbackNotify());
$entry->TrackbackURL = 'testBadTrackbackURL';
$this->assertFalse($entry->trackbackNotify());
$entry->TrackbackURL = 'testNonExistingTrackbackURL';
$this->assertFalse($entry->trackbackNotify());
TrackBackDecorator::$trackback_server_class = $tmpServerClass;
}
}
class TestTrackbackHTTPServer extends TrackbackHTTPServer implements TestOnly {
function request($url, $data) {
if($url == 'testGoodTrackbackURL') {
$response = $this->goodTrackback();
$statusCode = '200';
}
else if($url == 'testBadTrackbackURL') {
$response = $this->badTrackback();
$statusCode = '200';
}
else {
$response = $this->badTrackback();
$statusCode = '404';
}
return new SS_HTTPResponse($response, $statusCode);
}
private function goodTrackback() {
return "<?xml version=\"1.0\" encoding=\"utf-8\"?>
<response>
<error>0</error>
<message></message>
</response>";
}
private function badTrackback() {
return "<?xml version=\"1.0\" encoding=\"utf-8\"?>
<response>
<error>1</error>
<message>Some error text</message>
</response>";
}
}