init

classes/Controller/API/Page/Tags.php

@@ -0,0 +1,3 @@
+<?php defined( 'SYSPATH' ) or die( 'No direct script access.' );
+
+class Controller_API_Page_Tags extends KodiCMS_Controller_API_Page_Tags {}

classes/KodiCMS/Controller/API/Page/Tags.php

@@ -0,0 +1,23 @@
+<?php defined( 'SYSPATH' ) or die( 'No direct script access.' );
+
+/**
+ * @package		KodiCMS/Tags
+ * @category	API
+ * @author		butschster <[email protected]>
+ * @link		http://kodicms.ru
+ * @copyright	(c) 2012-2014 butschster
+ * @license		http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt
+ */
+class KodiCMS_Controller_API_Page_Tags extends Controller_System_Api {
+
+	public function get_get()
+	{
+		$uids = $this->param('uids');
+
+		$tags = Model_API::factory('api_page_tag')
+			->get_all($uids, $this->fields);
+
+		$this->response($tags);
+	}
+
+}

classes/KodiCMS/Model/API/Page/Tag.php

@@ -0,0 +1,44 @@
+<?php defined( 'SYSPATH' ) or die( 'No direct access allowed.' );
+
+/**
+ * @package		KodiCMS/Tags
+ * @category	Model/Api
+ * @author		butschster <[email protected]>
+ * @link		http://kodicms.ru
+ * @copyright	(c) 2012-2014 butschster
+ * @license		http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt
+ */
+class KodiCMS_Model_API_Page_Tag extends Model_API {
+
+	protected $_table_name = 'tags';
+
+	public function get_all($uids, $fields = array(), $page_id = NULL)
+	{
+		$uids = $this->prepare_param($uids, array('Valid', 'numeric'));
+		$fields = $this->prepare_param($fields);
+
+		$tags = DB::select('id', 'name')
+			->select_array($this->filtered_fields($fields))
+			->from($this->table_name());
+
+		if (!empty($uids))
+		{
+			$tags->where('id', 'in', $uids);
+		}
+
+		if ($page_id !== NULL)
+		{
+			$tags
+				->join('page_tags', 'left')
+				->on('page_tags.tag_id', '=', $this->table_name() . '.id')
+				->where('page_tags.page_id', '=', (int) $page_id);
+		}
+
+		return $tags
+			->cache_tags(array('page_tags'))
+			->cached((int) Config::get('cache', 'tags'))
+			->execute()
+			->as_array();
+	}
+
+}

classes/KodiCMS/Model/Page/Tag.php

@@ -0,0 +1,135 @@
+<?php defined('SYSPATH') or die('No direct access allowed.');
+
+/**
+ * @package		KodiCMS/Tags
+ * @category	Model
+ * @author		butschster <[email protected]>
+ * @link		http://kodicms.ru
+ * @copyright	(c) 2012-2014 butschster
+ * @license		http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt
+ */
+class KodiCMS_Model_Page_Tag extends Record
+{
+	const TABLE_NAME = 'page_tags';
+
+	/**
+	 * 
+	 * @param integer|Model_Page_Front $page_id
+	 * @return array
+	 */
+	public static function find_by_page($page_id)
+	{
+		if ($page_id instanceof Model_Page_Front)
+		{
+			$page_id = $page_id->id();
+		}
+
+		return DB::select(array('tags.id', 'id'), array('tags.name', 'tag'))
+			->from(array(self::tableName(), 'page_tags'))
+			->join(array(self::tableName('Model_Tag'), 'tags'), 'left')
+			->on('page_tags.tag_id', '=', 'tags.id')
+			->where('page_tags.page_id', '=', (int) $page_id)
+			->cache_tags(array('page_tags'))
+			->cached((int) Config::get('cache', 'tags'))
+			->execute()
+			->as_array('id', 'tag');
+	}
+
+	/**
+	 * 
+	 * @param integer|Model_Page_Front $page_id
+	 * @param array $tags
+	 */
+	public static function save_by_page($page_id, $tags)
+	{
+		if (is_string($tags))
+		{
+			$tags = explode(Model_Tag::SEPARATOR, $tags);
+		}
+
+		$tags = array_unique(array_map('trim', $tags));
+
+		$current_tags = Model_Page_Tag::find_by_page($page_id);
+
+		if ($page_id instanceof Model_Page_Front)
+		{
+			$page_id = $page_id->id();
+		}
+
+		// no tag before! no tag now! ... nothing to do!
+		if (empty($tags) AND empty($current_tags))
+		{
+			return NULL;
+		}
+
+		// delete all tags
+		if (empty($tags))
+		{
+			// update count (-1) of those tags
+			foreach ($current_tags as $tag)
+			{
+				DB::update(Model_Tag::tableName())
+					->set(array('count' => DB::expr('count - 1')))
+					->where('name', '=', $tag)
+					->execute();
+			}
+
+			Record::deleteWhere(self::tableName(), array(
+				'where' => array(array('page_id', '=', (int) $page_id))));
+
+			Cache::instance()->delete_tag('page_tags');
+		}
+		else
+		{
+			$old_tags = array_diff($current_tags, $tags);
+			$new_tags = array_diff($tags, $current_tags);
+
+			// insert all tags in the tag table and then populate the page_tag table
+			foreach ($new_tags as $index => $tag_name)
+			{
+				if (empty($tag_name))
+				{
+					continue;
+				}
+
+				$tag = Record::findOneFrom('Model_Tag', array(
+					'where' => array(
+						array('name', '=', $tag_name)
+					)
+				));
+
+				// try to get it from tag list, if not we add it to the list
+				if (!($tag instanceof Model_Tag))
+				{
+					$tag = new Model_Tag(array('name' => trim($tag_name)));
+				}
+
+				$tag->count++;
+				$tag->save();
+
+				// create the relation between the page and the tag
+				$page_tag = new Model_Page_Tag(array('page_id' => (int) $page_id, 'tag_id' => $tag->id));
+				$page_tag->save();
+			}
+
+			// remove all old tag
+			foreach ($old_tags as $index => $tag_name)
+			{
+				// get the id of the tag
+				$tag = Record::findOneFrom('Model_Tag', array('where' => array(array('name', '=', $tag_name))));
+
+				Record::deleteWhere(self::tableName(), array(
+					'where' => array(
+						array('page_id', '=', (int) $page_id),
+						array('tag_id', '=', $tag->id)
+					)
+				));
+
+				$tag->count--;
+				$tag->save();
+			}
+
+			Cache::instance()->delete_tag('page_tags');
+		}
+	}
+}

classes/KodiCMS/Model/Tag.php

@@ -0,0 +1,32 @@
+<?php defined('SYSPATH') or die('No direct access allowed.');
+
+/**
+ * @package		KodiCMS/Tags
+ * @category	Model
+ * @author		butschster <[email protected]>
+ * @link		http://kodicms.ru
+ * @copyright	(c) 2012-2014 butschster
+ * @license		http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt
+ */
+class KodiCMS_Model_Tag extends Record
+{
+    const TABLE_NAME = 'tags';
+	const SEPARATOR = ',';
+
+//	protected $_primary_key = 'name';
+
+	public static function findAllLike($tag)
+	{
+		return Record::findAllFrom(static::calledClass(), array(
+			'or_where' => array(
+				array('name', 'like', '%:query%')
+			),
+			'order_by' => array(
+				array('count', 'desc'),
+			)
+		), 
+		array(
+			':query' => DB::expr($tag)
+		));
+	}
+}

classes/Model/API/Page/Tag.php

@@ -0,0 +1,3 @@
+<?php defined( 'SYSPATH' ) or die( 'No direct access allowed.' );
+
+class Model_API_Page_Tag extends KodiCMS_Model_API_Page_Tag {}

classes/Model/Page/Tag.php

@@ -0,0 +1,3 @@
+<?php defined('SYSPATH') or die('No direct access allowed.');
+
+class Model_Page_Tag extends KodiCMS_Model_Page_Tag {}

classes/Model/Tag.php

@@ -0,0 +1,3 @@
+<?php defined('SYSPATH') or die('No direct access allowed.');
+
+class Model_Tag extends KodiCMS_Model_Tag {}

composer.json

@@ -0,0 +1,24 @@
+{
+	"name":        "kodicms/tags",
+	"type":        "kodicms-module",
+	"description": "The official KodiCMS tags module",
+	"homepage":    "http://www.kodicms.ru/",
+	"license":     "BSD-3-Clause",
+	"keywords":    ["kohana", "framework", "kodicms", "cms", "module", "tags"],
+	"authors": [
+		{
+			"name":     "Pavel Buchnev",
+			"email":    "[email protected]",
+			"homepage": "http://www.kodicms.ru/",
+			"role":     "developer"
+		}
+	],
+	"support": {
+		"issues":   "https://github.com/KodiCMS/module-tags/issues",
+		"forum":    "http://www.kodicms.ru/forum",
+		"source":   "https://github.com/KodiCMS/module-tags"
+	},
+	"require": {
+		"kodicms/core": "dev-master"
+	}
+}

config/cache.php

@@ -0,0 +1,5 @@
+<?php defined('SYSPATH') or die('No direct script access.');
+return array
+(
+	'tags' => Date::DAY
+);

i18n/ru.php

@@ -0,0 +1,6 @@
+<?php defined( 'SYSPATH' ) or die( 'No direct access allowed.' );
+
+return array(
+	'Tags (separator: ":sep")' => 'Теги (разделитель ":sep")',
+	'Tags' => 'Тэги',
+);

init.php

@@ -0,0 +1,40 @@
+<?php defined( 'SYSPATH' ) or die( 'No direct script access.' );
+
+// При сохранении страницы обновление тегов
+Observer::observe(array('page_add_after_save', 'page_edit_after_save'), function($page) {
+	$tags = Request::current()->post('page_tags');
+
+	if ($tags !== NULL)
+	{
+		Model_Page_Tag::save_by_page($page->id, $tags);
+	}
+});
+
+// Загрузка шаблона с тегами в блок с метатегами в редактор страницы
+Observer::observe('view_page_edit_meta', function($page) {
+	echo View::factory('page/tags', array(
+		'tags' => Model_Page_Tag::find_by_page($page->id)
+	));
+});
+
+Observer::observe('layout_backend_head_before', function() {
+	echo '<script type="text/javascript">var TAG_SEPARATOR = "' . Model_Tag::SEPARATOR . '";</script>';
+});
+
+// При выводе списка стран запускается метод custom_filter и передача в него 
+// Database_query_builder, в этом обсервере можно дополнять этот запрос
+Observer::observe( 'frontpage_custom_filter', function($sql, $page) {
+	$tags = Context::instance()->get('tag');
+
+	if (empty($tags))
+	{
+		return;
+	}
+
+	$sql->join(array(Model_Page_Tag::TABLE_NAME, 'pts'), 'inner')
+		->distinct(TRUE)
+		->on('pts.page_id', '=', 'page.id')
+		->join(array(Model_Tag::TABLE_NAME, 'ts'))
+		->on('pts.tag_id', '=', 'ts.id')
+		->where('ts.name', 'in', explode(',', $tags));
+});

install/schema.sql

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+CREATE TABLE IF NOT EXISTS `__TABLE_PREFIX__tags` (
+  `id` int(11) unsigned NOT NULL AUTO_INCREMENT,
+  `name` varchar(40) NOT NULL,
+  `count` int(11) unsigned NOT NULL,
+  PRIMARY KEY (`id`),
+  UNIQUE KEY `name` (`name`)
+) ENGINE=InnoDB  DEFAULT CHARSET=utf8;
+
+CREATE TABLE IF NOT EXISTS `__TABLE_PREFIX__page_tags` (
+  `page_id` int(11) unsigned NOT NULL,
+  `tag_id` int(11) unsigned NOT NULL,
+  UNIQUE KEY `page_id` (`page_id`,`tag_id`),
+  KEY `tag_id` (`tag_id`),
+  CONSTRAINT `__TABLE_PREFIX__page_tags_ibfk_1` FOREIGN KEY (`page_id`) REFERENCES `__TABLE_PREFIX__pages` (`id`) ON DELETE CASCADE ON UPDATE CASCADE,
+  CONSTRAINT `__TABLE_PREFIX__page_tags_ibfk_2` FOREIGN KEY (`tag_id`) REFERENCES `__TABLE_PREFIX__tags` (`id`) ON DELETE CASCADE ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8;

views/page/tags.php

@@ -0,0 +1,8 @@
+<div class="panel-heading">
+	<span class="panel-title" data-icon="tags"><?php echo __('Tags (separator: ":sep")', array(':sep' => Model_Tag::SEPARATOR)); ?></span>
+</div>
+<div class="panel-body">
+	<?php echo Form::textarea('page_tags', implode(Model_Tag::SEPARATOR, $tags), array(
+		'class' => 'tags', 'id' => 'page_tags'
+	)); ?>
+</div>

views/tags/js.php

@@ -0,0 +1 @@
+<script type="text/javascript">var TAG_SEPARATOR = '<?php echo $separator; ?>';</script>