<?php
/* For licensing terms, see /license.txt */

/**
 *	Interface for assigning sessions to Human Resources Manager
 *	@package chamilo.admin
 */
// resetting the course id
$cidReset = true;

require_once '../inc/global.inc.php';

// create an ajax object
$xajax = new xajax();
$xajax->registerFunction('search_sessions');

// setting the section (for the tabs)
$this_section = SECTION_PLATFORM_ADMIN;

// Access restrictions
api_protect_admin_script(true);

// setting breadcrumbs
$interbreadcrumb[] = array('url' => 'index.php', 'name' => get_lang('PlatformAdmin'));
$interbreadcrumb[] = array('url' => 'user_list.php','name' => get_lang('UserList'));

// Database Table Definitions
$tbl_session 			= Database::get_main_table(TABLE_MAIN_SESSION);
$tbl_session_rel_user 	= Database::get_main_table(TABLE_MAIN_SESSION_USER);
$tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);

// Initializing variables
$user_id = isset($_GET['user']) ? intval($_GET['user']) : null;
$user_info = api_get_user_info($user_id);
$user_anonymous = api_get_anonymous_id();
$current_user_id = api_get_user_id();
$ajax_search = false;

// Setting the name of the tool
if (UserManager::is_admin($user_id)) {
    $tool_name = get_lang('AssignSessionsToPlatformAdministrator');
} else if ($user_info['status'] == SESSIONADMIN) {
    $tool_name = get_lang('AssignSessionsToSessionsAdministrator');
} else {
    $tool_name = get_lang('AssignSessionsToHumanResourcesManager');
}

$add_type = 'multiple';
if (isset($_GET['add_type']) && $_GET['add_type']!='') {
    $add_type = Security::remove_XSS($_REQUEST['add_type']);
}

if (!api_is_platform_admin() && !api_is_session_admin()) {
    api_not_allowed(true);
}

function search_sessions($needle, $type)
{
    global $tbl_session_rel_access_url, $tbl_session, $user_id;

    $xajax_response = new xajaxResponse();
    $return = '';
    if (!empty($needle) && !empty($type)) {
        $needle = Database::escape_string($needle);
        $assigned_sessions_to_hrm = SessionManager::get_sessions_followed_by_drh($user_id);
        $assigned_sessions_id = array_keys($assigned_sessions_to_hrm);

        $without_assigned_sessions = '';
        if (count($assigned_sessions_id) > 0) {
            $without_assigned_sessions = " AND s.id NOT IN(".implode(',', $assigned_sessions_id).")";
        }

        if (api_is_multiple_url_enabled()) {
            $sql 	= " SELECT s.id, s.name FROM $tbl_session s
                        LEFT JOIN $tbl_session_rel_access_url a ON (s.id = a.session_id)
                        WHERE  s.name LIKE '$needle%' $without_assigned_sessions AND access_url_id = ".api_get_current_access_url_id()."";
        } else {
            $sql = "SELECT s.id, s.name FROM $tbl_session s
                    WHERE  s.name LIKE '$needle%' $without_assigned_sessions ";
        }
        $rs	= Database::query($sql);
        $return .= '<select id="origin" name="NoAssignedSessionsList[]" multiple="multiple" size="20" style="width:340px;">';
        while($session = Database :: fetch_array($rs)) {
            $return .= '<option value="'.$session['id'].'" title="'.htmlspecialchars($session['name'],ENT_QUOTES).'">'.$session['name'].'</option>';
        }
        $return .= '</select>';
        $xajax_response->addAssign('ajax_list_sessions_multiple','innerHTML',api_utf8_encode($return));
    }

    return $xajax_response;
}

$xajax->processRequests();
$htmlHeadXtra[] = $xajax->getJavascript('../inc/lib/xajax/');
$htmlHeadXtra[] = '
<script type="text/javascript">
function moveItem(origin , destination) {
	for(var i = 0 ; i<origin.options.length ; i++) {
		if(origin.options[i].selected) {
			destination.options[destination.length] = new Option(origin.options[i].text,origin.options[i].value);
			origin.options[i]=null;
			i = i-1;
		}
	}
	destination.selectedIndex = -1;
	sortOptions(destination.options);
}
function sortOptions(options) {
	var newOptions = new Array();
	for (i = 0 ; i<options.length ; i++) {
		newOptions[i] = options[i];
	}
	newOptions = newOptions.sort(mysort);
	options.length = 0;
	for(i = 0 ; i < newOptions.length ; i++){
		options[i] = newOptions[i];
	}
}
function mysort(a, b) {
	if (a.text.toLowerCase() > b.text.toLowerCase()) {
		return 1;
	}
	if (a.text.toLowerCase() < b.text.toLowerCase()) {
		return -1;
	}
	return 0;
}

function valide() {
	var options = document.getElementById("destination").options;
	for (i = 0 ; i<options.length ; i++) {
		options[i].selected = true;
	}
	document.forms.formulaire.submit();
}
function remove_item(origin) {
	for(var i = 0 ; i<origin.options.length ; i++) {
		if(origin.options[i].selected) {
			origin.options[i]=null;
			i = i-1;
		}
	}
}
</script>';

$formSent=0;
$firstLetterSession = isset($_POST['firstLetterSession']) ? $_POST['firstLetterSession'] : null;
$errorMsg = '';
$UserList = array();

if (isset($_POST['formSent']) && intval($_POST['formSent']) == 1) {
    $sessions_list = $_POST['SessionsList'];
    $userInfo = api_get_user_info($user_id);
    $affected_rows = SessionManager::suscribe_sessions_to_hr_manager(
        $userInfo,
        $sessions_list
    );
    if ($affected_rows) {
        Display::addFlash(
            Display::return_message(get_lang('AssignedSessionsHaveBeenUpdatedSuccessfully'))
        );
    }
}

// display header
Display::display_header($tool_name);

// actions
echo '<div class="actions">';
if ($user_info['status'] != SESSIONADMIN) {
    echo '<span style="float: right;margin:0px;padding:0px;">
		    <a href="dashboard_add_users_to_user.php?user='.$user_id.'">'.Display::return_icon('add_user_big.gif', get_lang('AssignUsers'), array('style'=>'vertical-align:middle')).' '.get_lang('AssignUsers').'</a>
			<a href="dashboard_add_courses_to_user.php?user='.$user_id.'">'.Display::return_icon('course_add.gif', get_lang('AssignCourses'), array('style'=>'vertical-align:middle')).' '.get_lang('AssignCourses').'</a>
         </span>';
}
echo '</div>';
echo Display::page_header(sprintf(get_lang('AssignSessionsToX'), api_get_person_name($user_info['firstname'], $user_info['lastname'])));

$assigned_sessions_to_hrm = SessionManager::get_sessions_followed_by_drh($user_id);
$assigned_sessions_id = array_keys($assigned_sessions_to_hrm);

$without_assigned_sessions = '';
if (count($assigned_sessions_id) > 0) {
    $without_assigned_sessions = " AND s.id NOT IN (".implode(',',$assigned_sessions_id).") ";
}

$needle = '%';
if (!empty($firstLetterSession)) {
    $needle = Database::escape_string($firstLetterSession.'%');
}

if (api_is_multiple_url_enabled()) {
    $sql = "SELECT s.id, s.name
	        FROM $tbl_session s
            LEFT JOIN $tbl_session_rel_access_url a ON (s.id = a.session_id)
            WHERE
                s.name LIKE '$needle%' $without_assigned_sessions AND
                access_url_id = ".api_get_current_access_url_id()."
            ORDER BY s.name";
} else {
    $sql = "SELECT s.id, s.name FROM $tbl_session s
		    WHERE  s.name LIKE '$needle%' $without_assigned_sessions
            ORDER BY s.name";
}
$result	= Database::query($sql);
?>
    <form name="formulaire" method="post" action="<?php echo api_get_self(); ?>?user=<?php echo $user_id ?>" style="margin:0px;" <?php if($ajax_search){ echo ' onsubmit="valide();"';}?>>
        <input type="hidden" name="formSent" value="1" />
        <table border="0" cellpadding="5" cellspacing="0" width="100%" align="center">
            <tr>
                <td align="left"></td>
                <td align="left"></td>
                <td width="" align="center"> &nbsp;	</td>
            </tr>
            <tr>
                <td width="45%" align="center"><b><?php echo get_lang('SessionsListInPlatform') ?> :</b></td>
                <td width="10%">&nbsp;</td>
                <td align="center" width="45%">
                    <b>
                        <?php
                        if (UserManager::is_admin($user_id)) {
                            echo get_lang('AssignedSessionsListToPlatformAdministrator');
                        } else if ($user_info['status'] == SESSIONADMIN) {
                            echo get_lang('AssignedSessionsListToSessionsAdministrator');
                        } else {
                            echo get_lang('AssignedSessionsListToHumanResourcesManager');
                        }
                        ?>
                        : </b></td>
            </tr>

            <?php if ($add_type == 'multiple') { ?>
                <tr><td width="45%" align="center">
                        <?php echo get_lang('FirstLetterSession');?> :
                        <select name="firstLetterSession" onchange = "xajax_search_sessions(this.value, 'multiple')">
                            <option value="%">--</option>
                            <?php
                            echo Display :: get_alphabet_options($firstLetterSession);
                            ?>
                        </select>
                    </td>
                    <td>&nbsp;</td></tr>
            <?php } ?>
            <tr>
                <td width="45%" align="center">
                    <div id="ajax_list_sessions_multiple">
                        <select id="origin" name="NoAssignedSessionsList[]" multiple="multiple" size="20" style="width:340px;">
                            <?php
                            while ($enreg = Database::fetch_array($result)) {
                                ?>
                                <option value="<?php echo $enreg['id']; ?>" <?php echo 'title="'.htmlspecialchars($enreg['name'],ENT_QUOTES).'"';?>>
                                    <?php echo $enreg['name']; ?>
                                </option>
                            <?php } ?>
                        </select></div>
                </td>

                <td width="10%" valign="middle" align="center">
                    <?php
                    if ($ajax_search) {
                        ?>
                        <button class="btn btn-default" type="button" onclick="remove_item(document.getElementById('destination'))">
                            <i class="fa fa-arrow-left"></i>
                        </button>
                    <?php
                    }
                    else
                    {
                        ?>
                        <button class="btn btn-default" type="button" onclick="moveItem(document.getElementById('origin'), document.getElementById('destination'))" onclick="moveItem(document.getElementById('origin'), document.getElementById('destination'))">
                            <i class="fa fa-arrow-right"></i>
                        </button>
                        <br /><br />
                        <button class="btn btn-default" type="button" onclick="moveItem(document.getElementById('destination'), document.getElementById('origin'))" onclick="moveItem(document.getElementById('destination'), document.getElementById('origin'))">
                            <i class="fa fa-arrow-left"></i>
                        </button>
                    <?php
                    }
                    ?>
                    <br /><br /><br /><br /><br /><br />
                    <?php
                    echo '<button class="btn btn-primary" type="button" value="" onclick="valide()" >'.$tool_name.'</button>';
                    ?>
                </td>
                <td width="45%" align="center">
                    <select id='destination' name="SessionsList[]" multiple="multiple" size="20" style="width:320px;">
                        <?php
                        if (is_array($assigned_sessions_to_hrm)) {
                            foreach($assigned_sessions_to_hrm as $enreg) {
                                ?>
                                <option value="<?php echo $enreg['id']; ?>" <?php echo 'title="'.htmlspecialchars($enreg['name'],ENT_QUOTES).'"'; ?>>
                                    <?php echo $enreg['name'] ?>
                                </option>
                            <?php }
                        }?>
                    </select></td>
            </tr>
        </table>
    </form>

<?php
Display::display_footer();
