<?php

class WP_Query {
	var $query;
	var $query_vars;
	var $queried_object;
	var $queried_object_id;

	var $posts;
	var $post_count = 0;
	var $current_post = -1;
	var $post;

	var $is_single = false;
	var $is_page = false;
	var $is_archive = false;
	var $is_date = false;
	var $is_year = false;
	var $is_month = false;
	var $is_day = false;
	var $is_time = false;
	var $is_author = false;
	var $is_category = false;
	var $is_search = false;
	var $is_feed = false;
	var $is_home = false;
	var $is_404 = false;

	function init () {
		$this->is_single = false;
		$this->is_page = false;
		$this->is_archive = false;
		$this->is_date = false;
		$this->is_year = false;
		$this->is_month = false;
		$this->is_day = false;
		$this->is_time = false;
		$this->is_author = false;
		$this->is_category = false;
		$this->is_search = false;
		$this->is_feed = false;
		$this->is_home = false;
		$this->is_404 = false;

		unset($this->posts);
		unset($this->query);
		unset($this->query_vars);
		unset($this->queried_object);
		unset($this->queried_object_id);
		$this->post_count = 0;
		$this->current_post = -1;
	}

	function parse_query ($query) {
		$this->init();
		parse_str($query, $qv);
		$this->query = $query;
		$this->query_vars = $qv;

		if ('' != $qv['name']) {
			$this->is_single = true;
		}

		if (($qv['p'] != '') && ($qv['p'] != 'all')) {
			$this->is_single = true;            
		}

		if ('' != $qv['static'] || '' != $qv['pagename'] || '' != $qv['page_id']) {
			$this->is_page = true;
			$this->is_single = false;
		}

		if ('' != $qv['second']) {
			$this->is_time = true;
			$this->is_date = true;
		}

		if ('' != $qv['minute']) {
			$this->is_time = true;
			$this->is_date = true;
		}

		if ('' != $qv['hour']) {
			$this->is_time = true;
	    $this->is_date = true;
		}

		if ('' != $qv['day']) {
			if (! $this->is_date) {
				$this->is_day = true;
				$this->is_date = true;
			}
		}

		if ('' != $qv['monthnum']) {
			if (! $this->is_date) {
				$this->is_month = true;
				$this->is_date = true;
			}
		}

		if ('' != $qv['year']) {
			if (! $this->is_date) {
				$this->is_year = true;
				$this->is_date = true;
			}
		}

		if ('' != $qv['m']) {
			$this->is_date = true;

			if (strlen($qv['m']) > 9) {
	      $this->is_time = true;
	    } else if (strlen($qv['m']) > 7) {
	      $this->is_day = true;
	    } else if (strlen($qv['m']) > 5) {
	      $this->is_month = true;
	    } else {
	      $this->is_year = true;
	    }
		}

		if ('' != $qv['w']) {
			$this->is_date = true;
		}

		// If year, month, day, hour, minute, and second are set, a single 
		// post is being queried.        
		if (('' != $qv['hour']) && ('' != $qv['minute']) &&('' != $qv['second']) && ('' != $qv['year']) && ('' != $qv['monthnum']) && ('' != $qv['day'])) {
			$this->is_single = true;
		}

		if (!empty($qv['s'])) {
			$this->is_search = true;
		}

		if (empty($qv['cat']) || ($qv['cat'] == 'all') || ($qv['cat'] == '0')) {
			$this->is_category = false;
		} else {
			if (stristr($qv['cat'],'-')) {
				$this->is_category = false;
			} else {
				$this->is_category = true;
			}
		}

		if ('' != $qv['category_name']) {
			$this->is_category = true;
		}
            
		// single, page, date, and search override category.
		if ($this->is_single || $this->is_page || $this->is_date || $this->is_search) {
			$this->is_category = false;                
		}

		if ((empty($qv['author'])) || ($qv['author'] == 'all') || ($qv['author'] == '0')) {
			$this->is_author = false;
		} else {
			$this->is_author = true;
		}

		if ('' != $qv['author_name']) {
			$this->is_author = true;
		}

		if ('' != $qv['feed']) {
			$this->is_feed = true;
		}

		if ('404' == $qv['error']) {
			$this->is_404 = true;
		}

		if ( ($this->is_date || $this->is_author || $this->is_category)
				 && (! ($this->is_single || $this->is_page)) ) {
			$this->is_archive = true;
		}

		if ( ! ($this->is_archive || $this->is_single || $this->is_page || $this->is_search || $this->is_feed || $this->is_404)) {
			$this->is_home = true;
		}
	}

	function get($query_var) {
		if (isset($this->query_vars[$query_var])) {
			return $this->query_vars[$query_var];
		}

		return '';
	}

	function get_posts() {
		global $wpdb, $pagenow, $request, $user_ID;

		// Shorthand.
		$q = $this->query_vars;	

		// First let's clear some variables
		$whichcat = '';
		$whichauthor = '';
		$result = '';
		$where = '';
		$limits = '';
		$distinct = '';
		$join = '';

		if ( !isset($q['posts_per_page']) || $q['posts_per_page'] == 0 )
			$q['posts_per_page'] = get_settings('posts_per_page');
		if ( !isset($q['what_to_show']) )
			$q['what_to_show'] = get_settings('what_to_show');
		if ( isset($q['showposts']) && $q['showposts'] ) {
			$q['showposts'] = (int) $q['showposts'];
			$q['posts_per_page'] = $q['showposts'];
		}
		if ( (isset($q['posts_per_archive_page']) && $q['posts_per_archive_page'] != 0) && (is_archive() || is_search()) )
			$q['posts_per_page'] = $q['posts_per_archive_page'];
		if ( !isset($q['nopaging']) ) {
			if ($q['posts_per_page'] == -1) {
				$q['nopaging'] = true;
			} else {
				$q['nopaging'] = false;
			}
		}
	
		$add_hours = intval(get_settings('gmt_offset'));
		$add_minutes = intval(60 * (get_settings('gmt_offset') - $add_hours));
		$wp_posts_post_date_field = "post_date"; // "DATE_ADD(post_date, INTERVAL '$add_hours:$add_minutes' HOUR_MINUTE)";

		// If a month is specified in the querystring, load that month
		if ('' != $q['m']) {
			$q['m'] = '' . preg_replace('|[^0-9]|', '', $q['m']);
			$where .= ' AND YEAR(post_date)=' . substr($q['m'], 0, 4);
			if (strlen($q['m'])>5)
				$where .= ' AND MONTH(post_date)=' . substr($q['m'], 4, 2);
			if (strlen($q['m'])>7)
				$where .= ' AND DAYOFMONTH(post_date)=' . substr($q['m'], 6, 2);
			if (strlen($q['m'])>9)
				$where .= ' AND HOUR(post_date)=' . substr($q['m'], 8, 2);
			if (strlen($q['m'])>11)
				$where .= ' AND MINUTE(post_date)=' . substr($q['m'], 10, 2);
			if (strlen($q['m'])>13)
				$where .= ' AND SECOND(post_date)=' . substr($q['m'], 12, 2);
		}

		if ('' != $q['hour']) {
			$q['hour'] = '' . intval($q['hour']);
			$where .= " AND HOUR(post_date)='" . $q['hour'] . "'";
		}

		if ('' != $q['minute']) {
			$q['minute'] = '' . intval($q['minute']);
			$where .= " AND MINUTE(post_date)='" . $q['minute'] . "'";
		}

		if ('' != $q['second']) {
			$q['second'] = '' . intval($q['second']);
			$where .= " AND SECOND(post_date)='" . $q['second'] . "'";
		}

		if ('' != $q['year']) {
			$q['year'] = '' . intval($q['year']);
			$where .= " AND YEAR(post_date)='" . $q['year'] . "'";
		}

		if ('' != $q['monthnum']) {
			$q['monthnum'] = '' . intval($q['monthnum']);
			$where .= " AND MONTH(post_date)='" . $q['monthnum'] . "'";
		}

		if ('' != $q['day']) {
			$q['day'] = '' . intval($q['day']);
			$where .= " AND DAYOFMONTH(post_date)='" . $q['day'] . "'";
		}

		if ('' != $q['name']) {
			$q['name'] = sanitize_title($q['name']);
			$where .= " AND post_name = '" . $q['name'] . "'";
		} else if ('' != $q['pagename']) {
			$q['pagename'] = sanitize_title($q['pagename']);
			$q['name'] = $q['pagename'];
			$where .= " AND post_name = '" . $q['pagename'] . "'";
		}


		if ('' != $q['w']) {
			$q['w'] = ''.intval($q['w']);
			$where .= " AND WEEK(post_date, 1)='" . $q['w'] . "'";
		}

		// If a post number is specified, load that post
		if (($q['p'] != '') && ($q['p'] != 'all')) {
			$q['p'] = intval($q['p']);
			$where = ' AND ID = '.$q['p'];
		}

		if (($q['page_id'] != '') && ($q['page_id'] != 'all')) {
			$q['page_id'] = intval($q['page_id']);
			$q['p'] = $q['page_id'];
			$where = ' AND ID = '.$q['page_id'];
		}

		// If a search pattern is specified, load the posts that match
		if (!empty($q['s'])) {
			$q['s'] = addslashes_gpc($q['s']);
			$search = ' AND (';
			$q['s'] = preg_replace('/, +/', ' ', $q['s']);
			$q['s'] = str_replace(',', ' ', $q['s']);
			$q['s'] = str_replace('"', ' ', $q['s']);
			$q['s'] = trim($q['s']);
			if ($q['exact']) {
				$n = '';
			} else {
				$n = '%';
			}
			if (!$q['sentence']) {
				$s_array = explode(' ',$q['s']);
				$q['search_terms'] = $s_array;
				$search .= '((post_title LIKE \''.$n.$s_array[0].$n.'\') OR (post_content LIKE \''.$n.$s_array[0].$n.'\'))';
				for ( $i = 1; $i < count($s_array); $i = $i + 1) {
					$search .= ' AND ((post_title LIKE \''.$n.$s_array[$i].$n.'\') OR (post_content LIKE \''.$n.$s_array[$i].$n.'\'))';
				}
				$search .= ' OR (post_title LIKE \''.$n.$q['s'].$n.'\') OR (post_content LIKE \''.$n.$q['s'].$n.'\')';
				$search .= ')';
			} else {
				$search = ' AND ((post_title LIKE \''.$n.$q['s'].$n.'\') OR (post_content LIKE \''.$n.$q['s'].$n.'\'))';
			}
		}

		// Category stuff

		if ((empty($q['cat'])) || ($q['cat'] == 'all') || ($q['cat'] == '0') || 
				// Bypass cat checks if fetching specific posts
				(
				 intval($q['year']) || intval($q['monthnum']) || intval($q['day']) || intval($q['w']) ||
				 intval($q['p']) || !empty($q['name']) || !empty($q['s'])
				 )
				) {
			$whichcat='';
		} else {
			$q['cat'] = ''.urldecode($q['cat']).'';
			$q['cat'] = addslashes_gpc($q['cat']);
			if (stristr($q['cat'],'-')) {
				// Note: if we have a negative, we ignore all the positives. It must
				// always mean 'everything /except/ this one'. We should be able to do
				// multiple negatives but we don't :-(
				$eq = '!=';
				$andor = 'AND';
				$q['cat'] = explode('-',$q['cat']);
				$q['cat'] = intval($q['cat'][1]);
			} else {
				$eq = '=';
				$andor = 'OR';
			}
			$join = " LEFT JOIN $wpdb->post2cat ON ($wpdb->posts.ID = $wpdb->post2cat.post_id) ";
			$cat_array = explode(' ',$q['cat']);
			$whichcat .= ' AND (category_id '.$eq.' '.intval($cat_array[0]);
			$whichcat .= get_category_children($cat_array[0], ' '.$andor.' category_id '.$eq.' ');
			for ($i = 1; $i < (count($cat_array)); $i = $i + 1) {
				$whichcat .= ' '.$andor.' category_id '.$eq.' '.intval($cat_array[$i]);
				$whichcat .= get_category_children($cat_array[$i], ' '.$andor.' category_id '.$eq.' ');
			}
			$whichcat .= ')';
			if ($eq == '!=') {
				$q['cat'] = '-'.$q['cat']; // Put back the knowledge that we are excluding a category.
			}
		}

		// Category stuff for nice URIs

		if ('' != $q['category_name']) {
			if (stristr($q['category_name'],'/')) {
				$q['category_name'] = explode('/',$q['category_name']);
				if ($q['category_name'][count($q['category_name'])-1]) {
					$q['category_name'] = $q['category_name'][count($q['category_name'])-1]; // no trailing slash
				} else {
					$q['category_name'] = $q['category_name'][count($q['category_name'])-2]; // there was a trailling slash
				}
			}
			$q['category_name'] = sanitize_title($q['category_name']);
			$tables = ", $wpdb->post2cat, $wpdb->categories";
			$join = " LEFT JOIN $wpdb->post2cat ON ($wpdb->posts.ID = $wpdb->post2cat.post_id) LEFT JOIN $wpdb->categories ON ($wpdb->post2cat.category_id = $wpdb->categories.cat_ID) ";
			$whichcat = " AND (category_nicename = '" . $q['category_name'] . "'";
			$q['cat'] = $wpdb->get_var("SELECT cat_ID FROM $wpdb->categories WHERE category_nicename = '" . $q['category_name'] . "'");
			$whichcat .= get_category_children($q['cat'], " OR category_id = ");
			$whichcat .= ")";
		}

		// Author/user stuff

		if ((empty($q['author'])) || ($q['author'] == 'all') || ($q['author'] == '0')) {
			$whichauthor='';
		} else {
			$q['author'] = ''.urldecode($q['author']).'';
			$q['author'] = addslashes_gpc($q['author']);
			if (stristr($q['author'], '-')) {
				$eq = '!=';
				$andor = 'AND';
				$q['author'] = explode('-', $q['author']);
				$q['author'] = ''.intval($q['author'][1]);
			} else {
				$eq = '=';
				$andor = 'OR';
			}
			$author_array = explode(' ', $q['author']);
			$whichauthor .= ' AND (post_author '.$eq.' '.intval($author_array[0]);
			for ($i = 1; $i < (count($author_array)); $i = $i + 1) {
				$whichauthor .= ' '.$andor.' post_author '.$eq.' '.intval($author_array[$i]);
			}
			$whichauthor .= ')';
		}

		// Author stuff for nice URIs

		if ('' != $q['author_name']) {
			if (stristr($q['author_name'],'/')) {
				$q['author_name'] = explode('/',$q['author_name']);
				if ($q['author_name'][count($q['author_name'])-1]) {
					$q['author_name'] = $q['author_name'][count($q['author_name'])-1];#no trailing slash
				} else {
					$q['author_name'] = $q['author_name'][count($q['author_name'])-2];#there was a trailling slash
				}
			}
			$q['author_name'] = sanitize_title($q['author_name']);
			$q['author'] = $wpdb->get_var("SELECT ID FROM $wpdb->users WHERE user_nicename='".$q['author_name']."'");
			$whichauthor .= ' AND (post_author = '.intval($q['author']).')';
		}

		$where .= $search.$whichcat.$whichauthor;

		if ((empty($q['order'])) || ((strtoupper($q['order']) != 'ASC') && (strtoupper($q['order']) != 'DESC'))) {
			$q['order']='DESC';
		}

		// Order by
		if (empty($q['orderby'])) {
			$q['orderby']='date '.$q['order'];
		} else {
			// Used to filter values
			$allowed_keys = array('author','date','category','title');
			$q['orderby'] = urldecode($q['orderby']);
			$q['orderby'] = addslashes_gpc($q['orderby']);
			$orderby_array = explode(' ',$q['orderby']);
			if (!in_array($orderby_array[0],$allowed_keys)) {
				$orderby_array[0] = 'date';
			}
			$q['orderby'] = $orderby_array[0].' '.$q['order'];
			if (count($orderby_array)>1) {
				for ($i = 1; $i < (count($orderby_array)); $i = $i + 1) {
					// Only allow certain values for safety
					if (in_array($orderby_array[$i],$allowed_keys)) {
						$q['orderby'] .= ',post_'.$orderby_array[$i].' '.$q['order'];
					}
				}
			}
		}

		if ($q['p'] == 'all') {
			$where = '';
		}

		$now = gmdate('Y-m-d H:i:59');

		if ($pagenow != 'post.php' && $pagenow != 'edit.php') {
			if ((empty($q['poststart'])) || (empty($q['postend'])) || !($q['postend'] > $q['poststart'])) {
				$where .= " AND post_date_gmt <= '$now'";
			}

			$distinct = 'DISTINCT';
		}

		if (is_page()) {
			$where .= ' AND (post_status = "static"';
		} else {
			$where .= ' AND (post_status = "publish"';
		}

		// Get private posts
		if (isset($user_ID) && ('' != intval($user_ID)))
			$where .= " OR post_author = $user_ID AND post_status != 'draft' AND post_status != 'static')";
		else
			$where .= ')';

		// Paging
		if ( !empty($q['postend']) && ($q['postend'] > $q['poststart']) ) {
			if ($q['what_to_show'] == 'posts') {
				$q['poststart'] = intval($q['poststart']);
				$q['postend'] = intval($q['postend']);
				$limposts = $q['postend'] - $q['poststart'];
				$limits = ' LIMIT '.$q['poststart'].','.$limposts;
			} elseif ($q['what_to_show'] == 'days') {
				$q['poststart'] = intval($q['poststart']);
				$q['postend'] = intval($q['postend']);
				$limposts = $q['postend'] - $q['poststart'];
				$lastpostdate = get_lastpostdate();
				$lastpostdate = mysql2date('Y-m-d 00:00:00',$lastpostdate);
				$lastpostdate = mysql2date('U',$lastpostdate);
				$startdate = date('Y-m-d H:i:s', ($lastpostdate - (($q['poststart'] -1) * 86400)));
				$otherdate = date('Y-m-d H:i:s', ($lastpostdate - (($q['postend'] -1) * 86400)));
				$where .= " AND post_date > '$otherdate' AND post_date < '$startdate'";
			}
		} else if (empty($q['nopaging']) && ! is_single()) {
			$page = $q['paged'];
			if (empty($page)) {
				$page = 1;
			}

			if (($q['what_to_show'] == 'posts')) {
				$pgstrt = '';
				$pgstrt = (intval($page) -1) * $q['posts_per_page'] . ', ';
				$limits = 'LIMIT '.$pgstrt.$q['posts_per_page'];
			} elseif ($q['what_to_show'] == 'days') {
				$startrow = $q['posts_per_page'] * (intval($page)-1);
				$start_date = $wpdb->get_var("SELECT max(post_date) FROM $wpdb->posts $join WHERE (1=1) $where GROUP BY year(post_date), month(post_date), dayofmonth(post_date) ORDER BY post_date DESC LIMIT $startrow,1");
				$endrow = $startrow + $q['posts_per_page'] - 1;
				$end_date = $wpdb->get_var("SELECT min(post_date) FROM $wpdb->posts $join WHERE (1=1) $where GROUP BY year(post_date), month(post_date), dayofmonth(post_date) ORDER BY post_date DESC LIMIT $endrow,1");

				if ($page > 1) {
					$where .= " AND post_date >= '$end_date' AND post_date <= '$start_date'";
				} else {
					$where .= " AND post_date >= '$end_date'";
				}
			}
		}

		$where = apply_filters('posts_where', $where);
		$where .= " GROUP BY $wpdb->posts.ID";
		$request = " SELECT $distinct * FROM $wpdb->posts $join WHERE 1=1".$where." ORDER BY post_" . $q['orderby'] . " $limits";

		if ($q['preview']) {
			$request = 'SELECT 1-1'; // dummy mysql query for the preview
			// little funky fix for IEwin, rawk on that code
			$is_winIE = ((preg_match('/MSIE/',$HTTP_USER_AGENT)) && (preg_match('/Win/',$HTTP_USER_AGENT)));
			if (($is_winIE) && (!isset($IEWin_bookmarklet_fix))) {
				$preview_content =  preg_replace('/\%u([0-9A-F]{4,4})/e',  "'&#'.base_convert('\\1',16,10).';'", $preview_content);
			}
		}

		$this->posts = $wpdb->get_results($request);
		$this->posts = apply_filters('the_posts', $this->posts);
		$this->post_count = count($this->posts);
		if ($this->post_count > 0) {
			$this->post = $this->posts[0];
		}

		update_post_caches($this->posts);
		
		// Save any changes made to the query vars.
		$this->query_vars = $q;
		return $this->posts;
	}

	function next_post() {
        
		$this->current_post++;

		$this->post = $this->posts[$this->current_post];
		return $this->post;
	}

	function have_posts() {
		if ($this->current_post + 1 < $this->post_count) {
			return true;
		}

		return false;
	}
    
	function query($query) {
		$this->parse_query($query);
		return $this->get_posts();
	}

	function get_queried_object() {
		if (isset($this->queried_object)) {
			return $this->queried_object;
		}

		$this->queried_object = NULL;
		$this->queried_object_id = 0;

		if ($this->is_category) {
			global $cache_categories;
			if (isset($cache_categories[$this->get('cat')])) {
				$this->queried_object = $cache_categories[$this->get('cat')];
				$this->queried_object_id = $this->get('cat');
			}
		} else if ($this->is_single) {
			$this->queried_object = $this->post;
			$this->queried_object_id = $this->post->ID;
		} else if ($this->is_page) {
			$this->queried_object = $this->post;
			$this->queried_object_id = $this->post->ID;
		} else if ($this->is_author) {
			global $cache_userdata;
			if (isset($cache_userdata[$this->get('author')])) {
				$this->queried_object = $cache_userdata[$this->get('author')];
				$this->queried_object_id = $this->get('author');
			}
		}

		return $this->queried_object;
	}

	function get_queried_object_id() {
		$this->get_queried_object();

		if (isset($this->queried_object_id)) {
			return $this->queried_object_id;
		}

		return 0;
	}

	function WP_Query ($query = '') {
		if (! empty($query)) {
			$this->query($query);
		}
	}
}

// Make a global instance.
if (! isset($wp_query)) {
    $wp_query = new WP_Query();
}

class retrospam_mgr {
	var $spam_words;
	var $comments_list;
	var $found_comments;

	function retrospam_mgr() {
		global $wpdb;

		$list = explode("\n", get_settings('moderation_keys') );
		$list = array_unique( $list );
		$this->spam_words = $list;

		$this->comment_list = $wpdb->get_results("SELECT comment_ID AS ID, comment_content AS text, comment_approved AS approved, comment_author_url AS url, comment_author_ip AS ip, comment_author_email AS email FROM $wpdb->comments ORDER BY comment_ID ASC");
	}	// End of class constructor

	function move_spam( $id_list ) {
		global $wpdb;
		$cnt = 0;
		$id_list = explode( ',', $id_list );

		foreach ( $id_list as $comment ) {
			if ( $wpdb->query("update $wpdb->comments set comment_approved = '0' where comment_ID = '$comment'") ) {
				$cnt++;
			}
		}
		echo "<div class='updated'><p>$cnt comment";
		if ($cnt != 1 ) echo "s";
		echo " moved to the moderation queue.</p></div>\n";
	}	// End function move_spam

	function find_spam() {
		$in_queue = 0;

		foreach( $this->comment_list as $comment ) {
			if( $comment->approved == 1 ) {
				foreach( $this->spam_words as $word ) {
					$fulltext = strtolower($comment->email.' '.$comment->url.' '.$comment->ip.' '.$comment->text);
					if( strpos( $fulltext, strtolower(trim($word)) ) != FALSE ) {
						$this->found_comments[] = $comment->ID;
						break;
					}
				}
			} else {
				$in_queue++;
			}
		}
		return array( 'found' => $this->found_comments, 'in_queue' => $in_queue );
	}	// End function find_spam

	function display_edit_form( $counters ) {
		$numfound = count($counters[found]);
		$numqueue = $counters[in_queue];

		$body = '<p>' . sprintf(__('Suspected spam comments: <strong>%s</strong>'), $numfound) . '</p>';

		if ( count($counters[found]) > 0 ) {
			$id_list = implode( ',', $counters[found] );
			$body .= '<p><a href="options-discussion.php?action=retrospam&move=true&ids='.$id_list.'">'. __('Move suspect comments to moderation queue &raquo;') . '</a></p>';

		}
		$head = '<div class="wrap"><h2>' . __('Check Comments Results:') . '</h2>';

		$foot .= '<p><a href="options-discussion.php">' . __('&laquo; Return to Discussion Options page.') . '</a></p></div>';
		
		return $head . $body . $foot;
	} 	// End function display_edit_form

}

?>