chamilo-lms/main/inc/lib/legal.lib.php

<?php // $Id: usermanager.lib.php 21700 2009-07-01 19:05:11Z aportugal $
/*
==============================================================================
*/
class LegalManager
{
	private function __construct() {
		//void
	}
	function add($language, $content, $type, $changes) {
		$legal_table = Database::get_main_table(TABLE_MAIN_LEGAL);		
		$last = self::get_last_condition($language);				
		$language = Database::escape_string($language);
		$content  = Database::escape_string($content);
		$type     = intval($type);
		$changes  = Database::escape_string($changes);
		$time = time();
		
		if ($last['content'] != $content) {
			$version = intval(Legalmanager::get_last_condition_version($language));
			$version++;
			 $sql = "INSERT INTO $legal_table
						SET language_id = '".Database::escape_string($language)."',
							content = '".Database::escape_string($content)."',
							changes= '".Database::escape_string($changes)."',
							type = '".Database::escape_string($type)."',
							version = '".Database::escape_string($version)."',
							date = '".$time."'";
			$result = Database::query($sql, __FILE__, __LINE__);
			return true;
		} elseif($last['type'] != $type && $language==$last['language_id']) {
			//update
			$id = $last['legal_id'];
			$sql = "UPDATE $legal_table
					SET  changes= '".Database::escape_string($changes)."',
					type = '".Database::escape_string($type)."',
					date = '".$time."'
					WHERE legal_id= $id  ";
			$result = Database::query($sql, __FILE__, __LINE__);
			return true;		
		} else {
			return false;
		}
	}

	function delete($id) {
		/*
		$legal_table = Database::get_main_table(TABLE_MAIN_LEGAL);
		$id = intval($id);
		$sql = "DELETE FROM $legal_table WHERE legal_id = '".$id."'";
		*/
	}
	
	function get_last_condition_version($language){
		$legal_conditions_table = Database::get_main_table(TABLE_MAIN_LEGAL);
		$language= Database::escape_string($language);
		$sql = "SELECT version FROM $legal_conditions_table WHERE language_id = '".$language."' ORDER BY legal_id DESC LIMIT 1 ";
		$result = Database::query($sql, __FILE__, __LINE__);
		$row = Database::fetch_array($result);
		if (Database::num_rows($result)>0) {
			return $row['version'];	
		} else {
			return 0;
		}
	}
	
	function get_last_condition($language) {
		$legal_conditions_table = Database::get_main_table(TABLE_MAIN_LEGAL);
		$language= Database::escape_string($language);
		$sql = "SELECT * FROM $legal_conditions_table WHERE language_id = '".$language."' ORDER BY version DESC LIMIT 1 ";
		$result = Database::query($sql, __FILE__, __LINE__);
		return Database::fetch_array($result);
	}
	
	function show_last_condition($term_preview)
	{
		$preview = '';
		switch ($term_preview['type']) {
			/*// scroll box
			case 0:
				$preview ='<fieldset>
					 <legend>'.get_lang('TermsAndConditions').'</legend>';
				$preview .= '<div class="form-item">
				<label>'.get_lang('TermsAndConditions').': </label>
				<div class="resizable-textarea">
				<span>
				<textarea id="" class="form-textarea resizable textarea-processed" readonly="readonly" name="" rows="10" cols="60">';
				$preview .= $term_preview['content'];
				$preview .= '</textarea>
				<div class="grippie" style="margin-right: -2px;"/>
				</span>
				</div>
				</div>
				<div id="edit-legal-accept-wrapper" class="form-item">
				<label class="option" for="edit-legal-accept">
				<input id="edit-legal-accept" class="form-checkbox" type="checkbox" value="1" name="legal_accept"/>
						<strong>'.get_lang('Accept').'</strong>
						'.get_lang('TermsAndConditions').'
						</label>
				</div>
				</fieldset>';			
			break;*/
			// html
			case 0:				
				$preview = '<div class="legal-terms">		'.$term_preview['content'].'		</div>';
				$preview .= '<br/>'.get_lang('ByClickingAccept');
			break;
			// page link
			case 1:				
				$preview ='<fieldset>
							 <legend>'.get_lang('TermsAndConditions').'</legend>';
				$preview .= '<div id="legal-accept-wrapper" class="form-item">
				<label class="option" for="legal-accept">
				<input id="legal-accept" type="checkbox" value="1" name="legal_accept"/>
				<strong>'.get_lang('Accept').'</strong>
				<a href="">'.get_lang('TermsAndConditions').'</a>
					'.get_lang('OfUse').'
				</label>
				</div>
				</fieldset>';
			break;
			default:				
			break;		
		}
		return 	$preview;	
	}
	function get_last_version($language){
		$legal_conditions_table = Database::get_main_table(TABLE_MAIN_LEGAL);
		$language= Database::escape_string($language);
		$sql = "SELECT version FROM $legal_conditions_table WHERE language_id = '".$language."' ORDER BY version DESC LIMIT 1 ";
		$result = Database::query($sql, __FILE__, __LINE__);
		if (Database::num_rows($result)>0){
			$version = Database::fetch_array($result);
			$version = explode(':',$version[0]); 
			return $version[0];
		} else {		
			return false;
		} 
	}
	
	function get_legal_data($from, $number_of_items, $column) {
		$legal_conditions_table = Database::get_main_table(TABLE_MAIN_LEGAL);
		$lang_table = Database::get_main_table(TABLE_MAIN_LANGUAGE);
		$from = intval($from);
		$number_of_items = intval($number_of_items); 
		$column = intval($column);
		
 		$sql  = "SELECT version, original_name as language, content, changes, type, FROM_UNIXTIME(date) 
				FROM $legal_conditions_table inner join $lang_table l on(language_id = l.id) "; 	
		$sql .= "ORDER BY language, version ASC ";
		$sql .= "LIMIT $from,$number_of_items ";
		
		$result = Database::query($sql, __FILE__, __LINE__);			
		$legals = array ();
		$versions = array ();
		while ($legal = Database::fetch_array($result)) {
			// max 2000 chars 
			//echo strlen($legal[1]); echo '<br>';
			$versions[]=$legal[0];
			$languages[]=$legal[1];
			if (strlen($legal[2])>2000)
				$legal[2]= substr($legal[2],0,2000).' ... ';				
			if ($legal[4]==0)
				$legal[4]= get_lang('HTMLText');
			elseif($legal[4]==1)
				$legal[4]=get_lang('PageLink');	
			$legals[] = $legal;
		}
		return $legals;		
	}
		
	function count() {
		$legal_conditions_table = Database::get_main_table(TABLE_MAIN_LEGAL);
		$sql = "SELECT count(*) as count_result FROM $legal_conditions_table ORDER BY legal_id DESC ";
		$result = Database::query($sql, __FILE__, __LINE__);
		$url = Database::fetch_array($result,'ASSOC');		
		$result = $url['count_result'];	
		return $result;	
	}
}