<?php
Wind::import('SRC:library.base.PwBaseDao');

/**
 * 话题DAO
 *
 * @author jinlong.panjl <jinlong.panjl@aliyun-inc.com>
 * @copyright 2003-2103 phpwind.com
 * @license http://www.windframework.com
 * @version $Id: codetemplates(windframework_docs_zend_8.0).xml 2781 下午03:16:53Z yishuo $
 * @package PwTagDao
 */
class PwTagDao extends PwBaseDao {
	
	protected $_table = 'tag';
	protected $_pk = 'tag_id';
	protected $_table_relation = 'tag_category_relation';
	protected $_table_attention = 'tag_attention';
	protected $_table_content_relation = 'tag_relation';
	protected $_dataStruct = array('tag_id', 'parent_tag_id', 'ifhot','tag_name', 'tag_logo', 'iflogo', 'excerpt', 'content_count', 'attention_count', 'created_userid', 'seo_title','seo_description','seo_keywords');
	
	/**
	 * 添加一条话题
	 *
	 * @param array $data
	 * @return int
	 */
	public function addTag($data) {
		return $this->_add($data);
	}
	
	/**
	 * 删除一条话题
	 *
	 * @param int $tagId
	 * @return bool
	 */
	public function delete($tagId) {
		return $this->_delete($tagId);
	}
	
	/**
	 * 批量删除话题
	 *
	 * @param array $tagIds
	 * @return bool
	 */
	public function batchDelete($tagIds) {
		return $this->_batchDelete($tagIds);
	}
	
	/**
	 * 修改一条话题
	 *
	 * @param int $tagId
	 * @param array $data
	 * @param array $increaseData
	 * @return bool
	 */
	public function update($tagId,$data = array(),$increaseData = array()) {
		return $this->_update($tagId,$data,$increaseData);
	}
	
	/**
	 * 批量修改话题
	 *
	 * @param array $tagIds
	 * @param array $data
	 * @param array $increaseData
	 * @return bool
	 */
	public function batchUpdate($tagIds, $fields, $increaseFields = array()) {
		return $this->_batchUpdate($tagIds,$fields,$increaseFields);
	}
	
	/**
	 * 获取一条话题
	 *
	 * @param int $tagId
	 * @return array
	 */
	public function getTag($tagId) {
		return $this->_get($tagId);
	}
	
	/**
	 * 批量获取话题
	 *
	 * @param array $tagIds
	 * @return array
	 */
	public function fetchTag($tagIds) {
		$sql = $this->_bindSql('SELECT * FROM %s WHERE `tag_id` IN %s ', $this->getTable(), $this->sqlImplode($tagIds));
		$smt = $this->getConnection()->createStatement($sql);
		return $smt->queryAll(array(),'tag_id');
	}
	
	/**
	 * 根据归属话题获取话题
	 *
	 * @param int $parentTagId
	 * @return array
	 */
	public function getTagByParent($parentTagId) {
		$sql = $this->_bindTable('SELECT * FROM %s WHERE `parent_tag_id`=?');
		$smt = $this->getConnection()->createStatement($sql);
		return $smt->queryAll(array($parentTagId));
	}
	
	/**
	 * 根据话题名称获取一条话题
	 *
	 * @param string $tagName
	 * @return array
	 */
	public function getTagByName($tagName) {
		$sql = $this->_bindTable('SELECT * FROM %s WHERE `tag_name`=?');
		$smt = $this->getConnection()->createStatement($sql);
		return $smt->getOne(array($tagName));
	}
	
	/**
	 * 根据话题名称批量获取话题
	 *
	 * @param array $tagNames
	 * @return array
	 */
	public function getTagsByNames($tagNames) {
		$sql = $this->_bindSql('SELECT * FROM %s WHERE `tag_name` IN %s ', $this->getTable(), $this->sqlImplode($tagNames));
		$smt = $this->getConnection()->createStatement($sql);
		return $smt->queryAll(array(),'tag_name');
	}
	
	/**
	 * 搜索话题count -- 只供后台搜索使用
	 * 
	 * @param string $name
	 * @param int $ifHot
	 * @param int $categoryId
	 * @param int $attentionCountStart
	 * @param int $attentionCountEnd
	 * @param int $contentCountStart
	 * @param int $contentCountEnd
	 * @return int 
	 */
	public function countTagByCondition($name,$ifHot,$categoryId,$attentionCountStart,$attentionCountEnd,$contentCountStart,$contentCountEnd) {
		$where = 'WHERE 1';
		$join = '';
		$param = array();
		if ($name) {
			$where .= ' AND t1.`tag_name` LIKE ?';
			$param[] = '%'.$name.'%';
		}
		if ($ifHot >= 0) {
			$where .= ' AND t1.`ifhot` =?';
			$param[] = $ifHot;
		}
		if ($categoryId) {
			$where .= ' AND t2.`category_id` =?';
			$param[] = $categoryId;
			$join = sprintf('LEFT JOIN %s AS t2 USING(`tag_id`) ',$this->getTable($this->_table_relation));
		}
		if ($attentionCountStart != '') {
			$where .= ' AND t1.`attention_count` >=?';
			$param[] = $attentionCountStart;
		}
		if ($attentionCountEnd != '') {
			$where .= ' AND t1.`attention_count` <=?';
			$param[] = $attentionCountEnd;
		}
		if ($contentCountStart != '') {
			$where .= ' AND t1.`content_count` >=?';
			$param[] = $contentCountStart;
		}
		if ($contentCountEnd != '') {
			$where .= ' AND t1.`content_count` <=?';
			$param[] = $contentCountEnd;
		}
		$sql = $this->_bindSql('SELECT COUNT(*) FROM %s AS t1 %s %s', $this->getTable(),$join, $where);
		$smt = $this->getConnection()->createStatement($sql);
		return $smt->getValue($param);
	}
	
	/**
	 * 搜索话题列表 -- 只供后台搜索使用
	 * 
	 * @param int $start
	 * @param int $limit
	 * @param string $name
	 * @param int $ifHot
	 * @param int $categoryId
	 * @param int $attentionCountStart
	 * @param int $attentionCountEnd
	 * @param int $contentCountStart
	 * @param int $contentCountEnd
	 * @return array 
	 */
	public function getTagByCondition($start,$limit,$name,$ifHot,$categoryId,$attentionCountStart,$attentionCountEnd,$contentCountStart,$contentCountEnd) {
		$where = 'WHERE 1';
		$join = '';
		$param = array();
			if ($name) {
			$where .= ' AND t1.`tag_name` LIKE ?';
			$param[] = '%'.$name.'%';
		}
		if ($ifHot >= 0) {
			$where .= ' AND t1.`ifhot` =?';
			$param[] = $ifHot;
		}
		if ($categoryId) {
			$where .= ' AND t2.`category_id` =?';
			$param[] = $categoryId;
			$join = sprintf('LEFT JOIN %s AS t2 USING(`tag_id`) ',$this->getTable($this->_table_relation));
		}
		if ($attentionCountStart != '') {
			$where .= ' AND t1.`attention_count` >=? ';
			$param[] = $attentionCountStart;
		}
		if ($attentionCountEnd != '') {
			$where .= ' AND t1.`attention_count` <=? ';
			$param[] = $attentionCountEnd;
		}
		if ($contentCountStart != '') {
			$where .= ' AND t1.`content_count` >=? ';
			$param[] = $contentCountStart;
		}
		if ($contentCountEnd != '') {
			$where .= ' AND t1.`content_count` <=? ';
			$param[] = $contentCountEnd;
		}
		$sql = $this->_bindSql('SELECT * FROM %s AS t1 %s %s ORDER BY t1.`tag_id` DESC ' . $this->sqlLimit($limit,$start), $this->getTable(), $join ,$where);
		$smt = $this->getConnection()->createStatement($sql);
		return $smt->queryAll($param,'tag_id');
	}
	
	/**
	 * 获取我关注的话题
	 *
	 * @param int $uid
	 * @param int $start
	 * @param int $limit
	 * @return array 
	 */
	public function getAttentionTag($uid,$start,$limit) {
		$sql = $this->_bindSql('SELECT t.* FROM %s AS t LEFT JOIN %s AS a USING(`tag_id`) WHERE a.`uid`=? ORDER BY t.`content_count` DESC %s ', $this->getTable(), $this->getTable($this->_table_attention), $this->sqlLimit($limit,$start));
		$smt = $this->getConnection()->createStatement($sql);
		return $smt->queryAll(array($uid),'tag_id');
	}
	
	/**
	 * 根据参数获取相关话题
	 *
	 * @param int $typeId
	 * @param array $paramIds
	 * @return array 
	 */
	public function getTagsByParamIds($typeId,$paramIds) {
		$sql = $this->_bindSql('SELECT t.*,a.param_id FROM %s AS t RIGHT JOIN %s AS a USING(`tag_id`) WHERE a.`type_id`=? AND a.`param_id` IN %s ORDER BY t.`content_count` DESC', $this->getTable(), $this->getTable($this->_table_content_relation), $this->sqlImplode($paramIds));
		$smt = $this->getConnection()->createStatement($sql);
		return $smt->queryAll(array($typeId));
	}
}