block.php

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<?php
/**
 * Article management
 *
 * @copyright	The XOOPS project http://www.xoops.org/
 * @license		http://www.fsf.org/copyleft/gpl.html GNU public license
 * @author		Taiwen Jiang (phppp or D.J.) <[e-mail]>
 * @since		1.00
 * @version		$Id$
 * @package		module::article
 */

if (!defined('XOOPS_ROOT_PATH')){ exit(); }

include dirname(dirname(__FILE__))."/include/vars.php";
mod_loadFunctions("parse", $GLOBALS["artdirname"]);

/**
 * Functions handling module blocks 
 * @package module::article
 *
 * @author  D.J. (phppp)
 * @copyright copyright &copy; 2000 The XOOPS Project
 *
 * @param VAR_PREFIX variable prefix for the function name
 */

art_parse_function('
/**#@+
 * Function to display articles
 *
 * {@link article} 
 * {@link xcategory} 
 * {@link permission} 
 * {@link config} 
 *
 * @param	array 	$options: 
 *						0 - criteria for fetching articles; 
 *						1 - limit for article count; 
 *						2 - bool flag for displaying summary: 0 - none; 1 - summary; 2 - summary and image
 *						3 - title length; 
 *						4 - time format; 
 *						5 - allowed categories; 
 */
function [VAR_PREFIX]_article_show($options)
{
    global $xoopsDB;
    static $access_cats;

    $artConfig = art_load_config();
    art_define_url_delimiter();

    $block = array();
    $select = "art_id";
    $disp_tag = "";
    $from = "";
    $where = "";
    $order = "art_time_publish DESC";
    switch ($options[0]) {
        case "views":
            $select .= ", art_counter";
            $order = "art_counter DESC";
            $disp_tag = "art_counter";
            break;
        case "rates":
            $select .= ", art_rates";
            $order = "art_rates DESC";
            $disp_tag = "art_rates";
            break;
        case "rating":
            $select .= ", art_rating/art_rates AS ave_rating";
            $order = "ave_rating DESC";
            $disp_tag = "ave_rating";
            break;
        case "random":
        	$order = "RAND()";
			$mysqlOldClient = version_compare( mysql_get_server_info(), "4.1.0", "lt" );
	    	/* for MySQL 4.1+ */
	    	if(!$mysqlOldClient){
	            $from = " LEFT JOIN (SELECT art_id AS aid FROM ".art_DB_prefix("article")." LIMIT 1000 ORDER BY art_id DESC) AS random ON art_id = random.aid";
            }
            break;
        case "time":
        default:
            $order = "art_time_publish DESC";
            break;
    }
    $select .= ", cat_id, art_title, uid, writer_id, art_time_publish";
    if(!empty($options[2])) {
	    $select .=", art_summary, art_pages";
	    if($options[2] == 2) $select .=", art_image";
    }
    if(!isset($access_cats)){
		$permission_handler =& xoops_getmodulehandler("permission", $GLOBALS["artdirname"]);
		$access_cats = $permission_handler->getCategories("access");
    }
    if (!empty($options[5])) {
        $allowed_cats = array_filter(array_slice($options, 5));
    }else{
        $allowed_cats = $access_cats;
    }
	$allowed_cats = array_intersect($allowed_cats, $access_cats);
	
	if(count($allowed_cats) ==0 ) {
		return $block;
	}

    $query = "SELECT {$select} FROM " . art_DB_prefix("article"). $from;
    $query .= " WHERE cat_id IN (" . implode(",", $allowed_cats) . ") AND art_time_publish >0 ". $where;
    $query .= " ORDER BY " . $order;
    if (!$result = $xoopsDB->query($query, $options[1], 0)) {
    	xoops_error($xoopsDB->error());
        return $block;
    }
    
	$author_array = array();
	$writer_array = array();
	$users = array();
	$writers = array();
    $rows = array();
    while ($row = $xoopsDB->fetchArray($result)) {
        $rows[] = $row;
		$author_array[$row["uid"]] = 1;
		$writer_array[$row["writer_id"]] = 1;
    }
    if (count($rows) < 1) return $block;
	
	if(!empty($author_array)) {
		include_once XOOPS_ROOT_PATH."/modules/".$GLOBALS["artdirname"]."/include/functions.author.php";
		$users = art_getAuthorNameFromId(array_keys($author_array), true, true);
	}
	
	if(!empty($writer_array)) {
		include_once XOOPS_ROOT_PATH."/modules/".$GLOBALS["artdirname"]."/include/functions.author.php";
		$writers = art_getWriterNameFromIds(array_keys($writer_array));
	}

    $arts = array();
    $uids = array();
    $cids = array();
    $article_handler =& xoops_getmodulehandler("article", $GLOBALS["artdirname"]);
    foreach ($rows as $row) {
	    if(!empty($row["ave_rating"])) {
		    $row["ave_rating"] = number_format($row["ave_rating"], 1);
	    }
        $article =& $article_handler->create(false);
        $article->assignVars($row);
        $_art = array();
        foreach($row as $tag=>$val) {
            $_art[$tag] = @$article->getVar($tag);
        }
        $_art["author"] = $users[$row["uid"]];
        $_art["writer"] = @$writers[$row["writer_id"]];
        $_art["time"] = $article->getTime($options[4]);
        $_art["summary"] = $article->getSummary($options[2]);
        $_art["image"] = $article->getImage();
        if(!empty($disp_tag)){
	        $_art["disp"] = @$article->getVar($disp_tag);
	        if(!empty($row[$disp_tag]) && empty($_art["disp"])) {
		        $_art["disp"] = $row[$disp_tag];
	        }
        }
        if(!empty($options[3])){
	        $_art["art_title"] = xoops_substr($_art["art_title"], 0, $options[3]);
        }
        $arts[] = $_art;
        unset($article, $_art);
        $cids[$row["cat_id"]] = 1;
    }
	
    $category_handler =& xoops_getmodulehandler("category", $GLOBALS["artdirname"]);
	$criteria = new Criteria("cat_id", "(".implode(",",array_keys($cids)).")", "IN");
	$cats = $category_handler->getList($criteria);

	for($i=0;$i<count($arts);$i++){
		$arts[$i]["category"]=$cats[$arts[$i]["cat_id"]];
	}
	$block["articles"] = $arts;
	unset($users, $cats, $arts);

    $block["dirname"] = $GLOBALS["artdirname"];
    return $block;
}

function [VAR_PREFIX]_article_edit($options)
{
    $form = art_constant("MB_TYPE")."&nbsp;&nbsp;<select name=\"options[0]\">";
    $form .= "<option value=\"time\"";
	    if($options[0]=="time") $form .= " selected=\"selected\" ";
	    $form .= ">".art_constant("MB_TYPE_TIME")."</option>\n";
    $form .= "<option value=\"views\"";
	    if($options[0]=="views") $form .= " selected=\"selected\" ";
	    $form .= ">".art_constant("MB_TYPE_VIEWS")."</option>\n";
    $form .= "<option value=\"rates\"";
	    if($options[0]=="rates") $form .= " selected=\"selected\" ";
	    $form .= ">".art_constant("MB_TYPE_RATES")."</option>\n";
    $form .= "<option value=\"rating\"";
	    if($options[0]=="rating") $form .= " selected=\"selected\" ";
	    $form .= ">".art_constant("MB_TYPE_RATING")."</option>\n";
    $form .= "<option value=\"random\"";
	    if($options[0]=="random") $form .= " selected=\"selected\" ";
	    $form .= ">".art_constant("MB_TYPE_RANDOM")."</option>\n";
    $form .= "</select><br /><br />";

    $form .= art_constant("MB_ITEMS")."&nbsp;&nbsp;<input type=\"text\" name=\"options[1]\" value=\"" . $options[1] . "\" /><br /><br />";

    $form .= art_constant("MB_SHOWSUMMARY")."&nbsp;&nbsp;<input type=\"radio\" name=\"options[2]\" value=\"0\"";
    if ($options[2] == 0) $form .= " checked=\"checked\"";
    $form .= " />"._NO."&nbsp;&nbsp;<input type=\"radio\" name=\"options[2]\" value=\"1\"";
    if ($options[2] == 1) $form .= " checked=\"checked\"";
    $form .= " />"._YES."&nbsp;&nbsp;<input type=\"radio\" name=\"options[2]\" value=\"2\"";
    if ($options[2] == 2) $form .= " checked=\"checked\"";
    $form .= " />".art_constant("MB_SUMMARY_IMAGE")."<br /><br />";

    $form .= art_constant("MB_TITLE_LENGTH")."&nbsp;&nbsp;<input type=\"text\" name=\"options[3]\" value=\"" . $options[3] . "\" /><br /><br />";
    
    $form .= art_constant("MB_TIMEFORMAT")."&nbsp;&nbsp;<select name=\"options[4]\">";
    $form .= "<option value=\"s\"";
	    if($options[4]=="s") $form .= " selected=\"selected\" ";
	    $form .= ">"._SHORTDATESTRING."</option>\n";
    $form .= "<option value=\"m\"";
	    if($options[4]=="m") $form .= " selected=\"selected\" ";
	    $form .= ">"._MEDIUMDATESTRING."</option>\n";
    $form .= "<option value=\"l\"";
	    if($options[4]=="l") $form .= " selected=\"selected\" ";
	    $form .= ">"._DATESTRING."</option>\n";
    $form .= "<option value=\"c\"";
	    if($options[4]=="c") $form .= " selected=\"selected\" ";
	    $form .= ">".art_constant("MB_TIMEFORMAT_CUSTOM")."</option>\n";
    $form .= "</select><br /><br />";
    
    $category_handler =& xoops_getmodulehandler("category", $GLOBALS["artdirname"]);
    $isAll = empty($options[5]) ? true : false;
    $options_cat = array_slice($options, 5); // get allowed categories
    
    $form .= art_constant("MB_CATEGORYLIST")."&nbsp;&nbsp;<select name=\"options[]\" multiple=\"multiple\">";
    $form .= "<option value=\"0\" ";
    if ($isAll) $form .= " selected=\"selected\"";
    $form .= ">"._ALL."</option>";
    
	$categories = $category_handler->getTree(0, "moderate", "----");
	foreach($categories as $id=>$cat){
    	$sel = ($isAll || in_array($id, $options_cat))?" selected":"";
    	$form .= "<option value=\"$id\" $sel>".$cat["prefix"].$cat["cat_title"]."</option>";
	}
    $form .= "</select><br />";

    return $form;
}
/**#@-*/

/**#@+
 * Function to display spotlight
 *
 * {@link spotlight} 
 * {@link config} 
 *
 * @param	array 	$options:  
 *					$options[0] - use specified spotlight only
 *					$options[1] - show editor note if available
 */
function [VAR_PREFIX]_spotlight_show( $options )
{
    global $xoopsDB;

	$block = array();
    $artConfig = art_load_config();
    art_define_url_delimiter();
    
	$spotlight_handler =& xoops_getmodulehandler("spotlight", $GLOBALS["artdirname"]);
	$sp_data = $spotlight_handler->getContent(false, $options[0]);
	if(empty($sp_data)) return $block;
	foreach($sp_data as $key => $val){
		$block[$key] = $val;
	}
	if(isset($block["sp_note"]) && empty($optioins[1])) unset($block["sp_note"]);
	
	$block["url"] = XOOPS_URL."/modules/".$GLOBALS["artdirname"]."/view.article.php".URL_DELIMITER."".$sp_data["art_id"];
	
	include_once XOOPS_ROOT_PATH."/modules/".$GLOBALS["artdirname"]."/include/functions.author.php";
	$users = art_getAuthorNameFromId($sp_data["uid"], true, true);
	$block["author"] = $users[$sp_data["uid"]] ;
	if(!empty($sp_data["writer_id"])) {
		$writers = art_getWriterNameFromIds($sp_data["writer_id"]);
		$block["writer"] = $writers[$sp_data["writer_id"]] ;
	}
	
    $block["lang_author"] = art_constant("MB_AUTHOR");
    $block["lang_time"] = art_constant("MB_TIME");
    return $block;
}


function [VAR_PREFIX]_spotlight_edit($options)
{

    $form = art_constant("MB_SPECIFIED_ONLY")."&nbsp;&nbsp;<input type=\"radio\" name=\"options[0]\" value=\"1\"";
    if ($options[0] == 1) $form .= " checked=\"checked\"";
    $form .= " />"._YES."<input type=\"radio\" name=\"options[0]\" value=\"0\"";
    if ($options[0] == 0) $form .= " checked=\"checked\"";
    $form .= " />"._NO."<br />";

    $form .= art_constant("MB_SHOW_NOTE")."&nbsp;&nbsp;<input type=\"radio\" name=\"options[1]\" value=\"1\"";
    if ($options[1] == 1) $form .= " checked=\"checked\"";
    $form .= " />"._YES."<input type=\"radio\" name=\"options[1]\" value=\"0\"";
    if ($options[1] == 0) $form .= " checked=\"checked\"";
    $form .= " />"._NO."<br />";

    return $form;
}

/**#@+
 * Function to display news item: spotlight + recent news
 *
 * {@link spotlight} 
 * {@link config} 
 *
 * @param	array 	$options:  
 *						0 - display mode: 0 - compact title list; 1 sorted by categories 
 *						1 - limit for article count; 
 *						2 - title length; 
 *						3 - allowed categories; 
 */
function [VAR_PREFIX]_news_show( $options )
{