<?

class BlogEntry extends Page {
	
	static $default_parent = array('BlogHolder');
	
	static $can_be_root = false;
	
		static $icon = "blog/images/blogpage";
	
	static $db = array(
		"Date" => "Datetime",
		"Author" => "Text",
		"Tags" => "Text"
	);
	
	static $casting = array(
		"Date" => "Date"
	);
	
	static $defaults = array(
		"ProvideComments" => true
	);
		
	static $allowed_children = "none";
		
	/**
	 * overload so that the default date is today.
	 */
	public function populateDefaults(){
		parent::populateDefaults();
		$this->Date = date("d/m/Y H:i:s",time());
	}
	
	/**
	 * Ensures the most recent article edited on the same day is shown first.
	 */
	public function setDate($val){
		$datepart = date("Y-m-d",strtotime($val));
		$minutepart = date("H:i:s",time());
		$date = $datepart . " " . $minutepart;	
		return $this->setField("Date",$date);
	}

	function getCMSFields() {
		Requirements::javascript('blog/javascript/bbcodehelp.js');
		Requirements::css('blog/css/bbcodehelp.css');
		$firstName = Member::CurrentMember() ? Member::currentMember()->FirstName : '';
		 $codeparser = new BBCodeParser();
		 
		$fields = parent::getCMSFields();
		$fields->removeFieldFromTab("Root.Content.Main","Content");
		$fields->addFieldToTab("Root.Content.Main", new TextareaField("Content", "Content", 20));
		$fields->addFieldToTab("Root.Content.Main", new CalendarDateField("Date", "Date"),"Content");
		$fields->addFieldToTab("Root.Content.Main", new TextField("Author", "Author", $firstName),"Content");
		
		$fields->addFieldToTab("Root.Content.Main", new LiteralField("BBCodeHelper", "<div id='BBCode' class='field'>" .
						"<a  id=\"BBCodeHint\" target='new'>BBCode help</a>" .
						"<div id='BBTagsHolder' style='display:none;'>".$codeparser->useable_tagsHTML()."</div></div>"));
				
		$fields->addFieldToTab("Root.Content.Main", new TextField("Tags", "Tags (comma sep.)"),"Content");
		return $fields;
	}
	
	function Tags() {
		$theseTags = split(" *, *", trim($this->Tags));
		
		$output = new DataObjectSet();
		foreach($theseTags as $tag) {
			$output->push(new ArrayData(array(
				"Tag" => $tag,
				"Link" => $this->getParent()->Link() . '?tag=' . urlencode($tag)		
			)));
		}
		if($this->Tags){
			return $output;
		}
	}

	
	function SideBar() {
		return $this->getParent()->SideBar();
	}
	
	function ParagraphSummary(){
		$content = new Text('Content');
		$content->value = Convert::raw2xml($this->Content);
		$parser = new BBCodeParser($content->FirstParagraph());
		return $parser->parse();		
	}
	
	function ParsedContent() {
		$parser = new BBCodeParser($this->Content);
		$content = new Text('Content');
		$content->value =$parser->parse();
		return $content;
	}
	
	function EditURL(){
		return $this->getParent()->Link('post')."/".$this->ID."/";
	}

}

class BlogEntry_Controller extends Page_Controller {
	function init() {
		parent::init();
		Requirements::themedCSS("blog");
	}
	
	function unpublishPost(){	
		if(!Permission::check('ADMIN')){
			Security::permissionFailure($this,
				"Unpublishing blogs is an administrator task. Please log in.");
		}
		else{
			$SQL_id = Convert::raw2sql($this->ID);
	
			$page = DataObject::get_by_id("SiteTree", $SQL_id);
			$page->deleteFromStage('Live');
			$page->flushCache();
	
			$page = DataObject::get_by_id("SiteTree", $SQL_id);
			$page->Status = "Unpublished";

			Director::redirect($this->getParent()->Link());
		}		
	}
	
}

?><?

class BlogHolder extends Page {
	
		static $icon = "blog/images/blogholder";
	
	static $db = array(
	);
	
	static $has_one = array(
		"SideBar" => "WidgetArea"
	);
	
	static $allowed_children = array(
		'BlogEntry'
	);
	
	function getCMSFields() {
		$fields = parent::getCMSFields();
		$fields->removeFieldFromTab("Root.Content.Main","Content");
		$fields->addFieldToTab("Root.Content.Widgets", new WidgetAreaEditor("SideBar"));
		
		return $fields;
	}
	
	public function BlogEntries($limit = 10) {
		$start = isset($_GET['start']) ? (int)$_GET['start'] : 0;
		$tagCheck = '';
		$dateCheck = "";
		
		if(isset($_GET['tag'])) {
			$tag = addslashes($_GET['tag']);
			$tag = str_replace(array("\\",'_','%',"'"), array("\\\\","\\_","\\%","\\'"), $tag);
			$tagCheck = "AND `BlogEntry`.Tags LIKE '%$tag%'";
		}
		
		
		if(Director::urlParams()){

			$year = Director::urlParam('Action');
			$month = Director::urlParam('ID');
			
			if(is_numeric($month) && is_numeric($month)){
				$dateCheck = "AND Date BETWEEN '$year-$month-1' AND '$year-$month-31'";
			}
			else if(isset($year)){
					$dateCheck = "AND Date BETWEEN '$year-1-1' AND '$year-12-31'";			
			}
		}
		
		return DataObject::get("Page","`ParentID` = $this->ID AND ShowInMenus = 1 $tagCheck $dateCheck","`BlogEntry`.Date DESC",'',"$start, $limit");
	}

	function Tag() {
		return isset($_GET['tag']) ? $_GET['tag'] : false;
	}
	
	function BlogEntryForm(){
		Requirements::javascript('jsparty/behaviour.js');
		Requirements::javascript('jsparty/prototype.js');
		Requirements::javascript('jsparty/scriptaculous/effects.js');
		Requirements::javascript('cms/javascript/PageCommentInterface.js');
		Requirements::javascript('blog/javascript/bbcodehelp.js');
				
		$id = 0;
		if(Director::urlParam('ID')){
			$id = Director::urlParam('ID');
		}
				
		$codeparser = new BBCodeParser();
		$membername = Member::currentMember() ? Member::currentMember()->getName() : "";
		
		$fields = new FieldSet(
			new HiddenField("ParentID", "ParentID", $this->ID),
			new HiddenField("ID","ID"),
			new HiddenField("Date","Date"),
			new TextField("Title","Subject"),
			new TextField("Author","Author",$membername),
			new CompositeField( 
				new LiteralField("BBCodeHelper","<a  id=\"BBCodeHint\" target='new'>BBCode help</a><div class='clear'><!-- --></div>" ),
				new TextareaField("Content", "Content",20),
				new LiteralField("BBCodeTags","<div id='BBTagsHolder' style='display:none;'>".$codeparser->useable_tagsHTML()."</div>")	
			),
			new TextField("Tags","Tags"),
			new LiteralField("Tagsnote"," <label id='tagsnote'>For example: sport, personal, science fiction<br/>" .
												"Please separate tags using commas.</label>")
		);	
		
		$submitAction = new FormAction('postblog', 'Post blog entry');
		$actions = new FieldSet($submitAction);
		$validator = new RequiredFields('Title','Content');
			
		$form = new BlogEntry_Form($this, 'BlogEntryForm',$fields, $actions,$validator);
	
		if($id != 0){
			$form->loadNonBlankDataFrom(DataObject::get_by_id('BlogEntry',$id));
		}else{
				$form->loadNonBlankDataFrom(array("Author" => Cookie::get("BlogHolder_Name")));
		}
		
		return $form;
	}

	function isPost(){
		return Director::urlParam('Action') == 'post';
	}
	
	function postURL(){
		return  $this->Link('post');
	}

	function requireDefaultRecords() {
		parent::requireDefaultRecords();
		
		if(!DataObject::get_one('BlogHolder')) {
			$blogholder = new BlogHolder();
			$blogholder->Title = "Blog";
			$blogholder->URLSegment = "blog";
			$blogholder->Status = "Published";
			
			$widgetarea = new WidgetArea();
			$widgetarea->write();
			
			$blogholder->SideBarID = $widgetarea->ID;
			$blogholder->write();
			$blogholder->publish("Stage", "Live");
			
			$managementwidget = new BlogManagementWidget();
			$managementwidget->ParentID = $widgetarea->ID;
			$managementwidget->write();
			
			$tagcloudwidget = new TagCloudWidget();
			$tagcloudwidget->ParentID = $widgetarea->ID;
			$tagcloudwidget->write();
			
			$archivewidget = new ArchiveWidget();
			$archivewidget->ParentID = $widgetarea->ID;
			$archivewidget->write();
			
			$widgetarea->write();
			
			$blog = new BlogEntry();
			$blog->Title = "SilverStripe blog module successfully installed";
			$blog->URLSegment = 'sample-blog-entry';
			$blog->setDate(date("Y-m-d H:i:s",time()));
			$blog->Tags = "silverstripe, blog";
			$blog->Content = "Congratulations, the SilverStripe blog module has been successfully installed. This blog entry can be safely deleted. You can configure aspects of your blog (such as the widgets displayed in the sidebar) in [url=admin]the CMS[/url].";
			$blog->Status = "Published";
			$blog->ParentID = $blogholder->ID;
			$blog->write();
			$blog->publish("Stage", "Live");
			
			Database::alteration_message("Blog page created","created");
		}
	}
}

class BlogHolder_Controller extends Page_Controller {
	function init() {
		parent::init();
		
		// This will create a <link> tag point to the RSS feed
		RSSFeed::linkToFeed($this->Link() . "rss", "RSS feed of this blog");
		Requirements::themedCSS("blog");
		Requirements::themedCSS("bbcodehelp");

	}

	function showarchive() {
		$month = addslashes($this->urlParams['ID']);
		return array(
			"Children" => DataObject::get('SiteTree', "ParentID = $this->ID AND DATE_FORMAT(`BlogEntry`.`Date`, '%Y-%M') = '$month'"),
		);		
	}

	function ArchiveMonths() {
		$months = DB::query("SELECT DISTINCT DATE_FORMAT(`BlogEntry`.`Date`, '%M') AS `Month`, DATE_FORMAT(`BlogEntry`.`Date`, '%Y') AS `Year` FROM `BlogEntry` ORDER BY `BlogEntry`.`Date` DESC");
		$output = new DataObjectSet();
		foreach($months as $month) {
			$month['Link'] = $this->Link() . "showarchive/$month[Year]-$month[Month]";
			$output->push(new ArrayData($month));
		}
		return $output;
	}
	
	function rss() {
		global $project;
		$rss = new RSSFeed($this->Children(), $this->Link(), $project . " blog", "", "Title", "ParsedContent");
		$rss->outputToBrowser();
	}
	
	function BBTags() {
		return BBCodeParser::usable_tags();
	}
	
	function post(){
		if(!Permission::check('ADMIN')){
			Security::permissionFailure($this,
				"Posting blogs is an administrator task. Please log in.");
		}
		return array();
	}
	
}


class BlogEntry_Form extends Form {
	function postblog($data) {
		Cookie::set("BlogHolder_Name", $data['Author']);
		$blogentry = new BlogEntry();
		$this->saveInto($blogentry);
				
		if($data['ID'] != 0){ //new post
			$blogentry = DataObject::get_by_id("BlogEntry",$data['ID']);
			$this->saveInto($blogentry);
			$blogentry->setDate($data['Date']);
		}else{
			$blogentry->setDate(date("Y-m-d H:i:s",time()));
			$blogentry->URLSegment = $data['Title'];		
		}
		
		$blogentry->Status = "Published";
		$blogentry->writeToStage("Stage");
		$blogentry->publish("Stage", "Live");

		Director::redirect(Director::currentURLSegment());
		
	}
}

?><?

class NewsHolder extends Page {
	
	static $db = array(
	);
	
	static $has_one = array(
	);
	
   static $allowed_children = array('NewsPage');
   
	function getCMSFields() {
		$fields = parent::getCMSFields();
		$fields->removeFieldFromTab("Root.Content.Main","Content");
		return $fields;
	}   
	
	public function News($limit = 10) {
		$start = isset($_GET['start']) ? (int)$_GET['start'] : 0;
		
		$dateCheck = "";
				
		if(Director::urlParams()){

			$year = Director::urlParam('Action');
			$month = Director::urlParam('ID');
			
			if(is_numeric($month) && is_numeric($month)){
				$dateCheck = "AND Date BETWEEN '$year-$month-1' AND '$year-$month-31'";
			}
			else if(isset($year)){
					$dateCheck = "AND Date BETWEEN '$year-1-1' AND '$year-12-31'";			
			}
		}
		
		return DataObject::get("Page","`ParentID` = $this->ID AND ShowInMenus = 1 $dateCheck","`NewsPage`.Date DESC",'',"$start, $limit");
	}	
   	
}


class NewsHolder_Controller extends Page_Controller {

}

?><?

class NewsPage extends GeneralPage{
	
	static $db = array(
	   'Date' => 'Date',
		"Author" => "Text"
	);
	
	static $casting = array(
		"Date" => "Date"
	);	
	
	static $has_one = array(
	);
	
	/**
	 * overload so that the default date is today.
	 */
	public function populateDefaults(){
		parent::populateDefaults();
		$this->Date = date("d/m/Y H:i:s",time());
	}
	
	/**
	 * Ensures the most recent article edited on the same day is shown first.
	 */
	public function setDate($val){
		$datepart = date("Y-m-d",strtotime($val));
		$minutepart = date("H:i:s",time());
		$date = $datepart . " " . $minutepart;	
		return $this->setField("Date",$date);
	}
		
	function getCMSFields() {
	   $fields = parent::getCMSFields();
	 
		$fields->removeFieldFromTab("Root.Content.Main","Content");
		$fields->addFieldToTab("Root.Content.Main", new HTMLEditorField("Content", "Content", 20));
		$fields->addFieldToTab("Root.Content.Main", new CalendarDateField("Date", "Date"),"Content");		
	   	$fields->addFieldToTab('Root.Content.Main', new TextField('Author'), 'Content');
			
	   return $fields;
	}	
	
	function ParagraphSummary(){
		$content = new Text('Content');
		$content->value = Convert::html2raw($this->Content);		
		return $content->FirstParagraph();
	}	
	
}


class NewsPage_Controller extends GeneralPage_Controller   {

}

?>