Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/inc/lib/legal.lib.php

242 lines
7.6 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* Legal class
*
* @version 1.0
* @package chamilo.legal
*
*/
/**
* Class
* @package chamilo.legal
*/
class LegalManager {
private function __construct () {
//void
}
/**
* Add a new Term and Condition
* @param int language id
* @param string the content
* @param int term and condition type (0 or 1)
* @param string explain changes
* @return boolean sucess
*/
public static 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 = '".$content."',
changes= '".$changes."',
type = '".$type."',
version = '".Database::escape_string($version)."',
date = '".$time."'";
$result = Database::query($sql);
return true;
} elseif($last['type'] != $type && $language==$last['language_id']) {
//update
$id = $last['legal_id'];
$sql = "UPDATE $legal_table
SET changes= '".$changes."',
type = '".$type."',
date = '".$time."'
WHERE legal_id= $id ";
$result = Database::query($sql);
return true;
} else {
return false;
}
}
public static function delete ($id) {
/*
$legal_table = Database::get_main_table(TABLE_MAIN_LEGAL);
$id = intval($id);
$sql = "DELETE FROM $legal_table WHERE legal_id = '".$id."'";
*/
}
/**
* Gets the last version of a Term and condition by language
* @param int the language id
* @return array all the info of a Term and condition
*/
public static 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);
$row = Database::fetch_array($result);
if (Database::num_rows($result)>0) {
return $row['version'];
} else {
return 0;
}
}
/**
* Gets the data of a Term and condition by language
* @param int the language id
* @return array all the info of a Term and condition
*/
public static function get_last_condition ($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);
return Database::fetch_array($result);
}
/**
* Gets the last version of a Term and condition by language
* @param int the language id
* @return boolean | int the version or false if does not exist
*/
public static function get_last_version ($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);
if (Database::num_rows($result)>0){
$version = Database::fetch_array($result);
$version = explode(':',$version[0]);
return $version[0];
} else {
return false;
}
}
/**
* Show the last condition
* @param array with type and content i.e array('type'=>'1', 'content'=>'hola');
* @return string html preview
*/
public static function show_last_condition ($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('ByClickingRegisterYouAgreeTermsAndConditions');
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"/>
'.get_lang('IHaveReadAndAgree').'
<a href="#">'.get_lang('TermsAndConditions').'</a>
</label>
</div>
</fieldset>';
break;
default:
break;
}
return $preview;
}
/**
* Get the terms and condition table (only for maintenance)
* @param int offset
* @param int number of items
* @param int column
* @return array
*/
public static function get_legal_data ($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);
$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;
}
/**
* Gets the number of terms and conditions available
* @return int
*/
public static 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);
$url = Database::fetch_array($result,'ASSOC');
$result = $url['count_result'];
return $result;
}
/**
* Get type of terms and conditions
* @param int The legal id
* @param int The language id
* @return int The current type of terms and conditions
*/
public static function get_type_of_terms_and_conditions ($legal_id,$language_id) {
$legal_conditions_table = Database::get_main_table(TABLE_MAIN_LEGAL);
$legal_id=Database::escape_string($legal_id);
$language_id=Database::escape_string($language_id);
$sql='SELECT type FROM '.$legal_conditions_table.' WHERE legal_id="'.$legal_id.'" AND language_id="'.$language_id.'"';
$rs=Database::query($sql);
return Database::result($rs,0,'type');
}
}