//***************************************************

// Init

//***************************************************

function init() {

$this->title = get_string('pluginname', 'block_notifications');

}

function has_config() { return true; }

function after_install() { }

function before_delete() { }

function applicable_formats() {

return array('course-view' => true);

}

//***************************************************

// Configurations

//***************************************************

function specialization() {

global $COURSE;

$Course = new Course();

// if the course has not been registered so far

// then register the course and set the starting time

// for notifications

if( !$Course->is_registered($COURSE->id) ) {

$Course->register($COURSE->id, time());

}

// intialize logs; perform this operation just once

if( !$Course->log_exists($COURSE->id) ) {

$Course->initialize_log($COURSE->id);

}

}

function instance_allow_config() {

return true;

}

function instance_config_save($data, $nolongerused = false) {

global $COURSE;

$Course = new Course();

$Course->update_course_notification_settings($COURSE->id, $data);

return true;

}

function personal_settings($course_registration){

global $CFG;

global $COURSE;

global $USER;

$global_config = get_config('block_notifications');

// if admin user or both sms and email notifications

// are disabled in the course then do not display user preferences

if(

($global_config->email_channel != 1 and $global_config->sms_channel != 1) or

($course_registration->notify_by_email == 0 and $course_registration->notify_by_sms == 0 )

) {

return '';

} else {

$User = new User();

$user_preferences = $User->get_preferences($USER->id, $COURSE->id);

// intialize preferences if preferences if necessary

if(is_null($user_preferences)) {

$user_preferences = new Object();

$user_preferences->user_id = $USER->id;

$user_preferences->course_id = $COURSE->id;

$user_preferences->notify_by_email = $course_registration->email_notification_preset;

$user_preferences->notify_by_sms = $course_registration->sms_notification_preset;

$User->initialize_preferences( $user_preferences->user_id,

$user_preferences->course_id,

$user_preferences->notify_by_email,

$user_preferences->notify_by_sms );

}

// prepare mail notification status

$mail_notification_status = '';

if( isset($user_preferences->notify_by_email) and $user_preferences->notify_by_email == 1) { $mail_notification_status = 'checked="checked"'; }

$sms_notification_status = '';

if( isset($user_preferences->notify_by_sms) and $user_preferences->notify_by_sms == 1) { $sms_notification_status = 'checked="checked"'; }

//user preferences interface

$up_interface ="<script src='$CFG->wwwroot/blocks/notifications/js/jquery-1.4.3.js' type='text/javascript'></script>";

$up_interface.="<script src='$CFG->wwwroot/blocks/notifications/js/user_preferences_interface.php' type='text/javascript'></script>";

$up_interface.='<div id="notifications_config_preferences">'; // main div

$up_interface.='<a id="notifications_user_preferences_trigger" href="#" onclick="show_user_preferences_panel()">';

$up_interface.= get_string('user_preference_settings', 'block_notifications');

$up_interface.= '</a>';

$up_interface.='<div id="notifications_user_preferences" style="display:none">';// div a

$up_interface.='<div>'; // div b

$up_interface.= get_string('user_preference_header', 'block_notifications');

$up_interface.='</div>'; // div b end

$up_interface.='<form id="user_preferences" action="">';

$up_interface.='<input type="hidden" name="user_id" value="'.$USER->id.'" />';

$up_interface.='<input type="hidden" name="course_id" value="'.$COURSE->id.'" />';

if ( $global_config->email_channel == 1 and $course_registration->notify_by_email == 1 ) {

$up_interface.='<div>'; // div c

$up_interface.="<input type='checkbox' name='notify_by_email' value='1' $mail_notification_status />";

$up_interface.= get_string('notify_by_email', 'block_notifications');

$up_interface.='</div>'; // div c end

}

if ( class_exists('block_notifications\SMS') and $global_config->sms_channel == 1 and $course_registration->notify_by_sms == 1 ) {

$up_interface.='<div>'; // div d end

$up_interface.="<input type='checkbox' name='notify_by_sms' value='1' $sms_notification_status />";

$up_interface.= get_string('notify_by_sms', 'block_notifications');

$up_interface.='</div>'; // div d end

}

$up_interface.='</form>';

$up_interface.='<input type="button" name="save_user_preferences" value="'.get_string('savechanges').'" onclick="save_user_preferences()" />';

$up_interface.='<input type="button" name="cancel" value="'.get_string('cancel').'" onclick="hide_user_preferences_panel()" />';

$up_interface.='</div>'; // div a end

$up_interface.='</div>'; // main div end

return $up_interface;

}

/*

*/

}

//***************************************************

// Block content

//***************************************************

function get_content() {

if ($this->content !== NULL) {

return $this->content;

}

global $COURSE;

global $USER;

global $CFG;

$this->content = new stdClass;

$Course = new Course();

$global_config = get_config('block_notifications');

$course_registration = $Course->get_registration($COURSE->id);

if (

( $global_config->email_channel != 1 and $global_config->sms_channel != 1 and $global_config->rss_channel != 1) or

( $course_registration->notify_by_email == 0 and $course_registration->notify_by_sms == 0 and $course_registration->notify_by_rss == 0 )

){

$this->content->text = get_string('configuration_comment', 'block_notifications');

} else {

// last notification info

$this->content->text = "<span style='font-size: 12px'>";

$this->content->text.= get_string('last_notification', 'block_notifications');

$this->content->text.= ": ".date("j M Y G:i:s",$course_registration->last_notification_time);

$this->content->text.= "</span><br />";

if ( $global_config->email_channel == 1 and $course_registration->notify_by_email == 1 ) {

$this->content->text.= "<img src='$CFG->wwwroot/blocks/notifications/images/Mail-icon.png' ";

$this->content->text.= "alt='e-mail icon' ";

$this->content->text.= "title='".get_string('email_icon_tooltip', 'block_notifications')."' />";

//$this->content->text.= '<br />';

}

if ( $global_config->sms_channel == 1 and $course_registration->notify_by_sms == 1 and class_exists('block_notifications\SMS') ) {

if( empty($USER->phone2) ) {

//$this->content->text.= "<a target='_blank' href='$CFG->wwwroot/help.php?module=plugin&file=../blocks/notifications/lang/en_utf8/help/prova.html'>";

$this->content->text.= "<a target='_blank' href='$CFG->wwwroot/blocks/notifications/help.php'>";

$this->content->text.= "<img src='$CFG->wwwroot/blocks/notifications/images/SMS-icon_warning.png' ";

$this->content->text.= "alt='sms warning icon' ";

$this->content->text.= "title='".get_string('sms_icon_phone_number_missing_tooltip', 'block_notifications')."' />";

$this->content->text.= "</a>";

} else {

$this->content->text.= "<img src='$CFG->wwwroot/blocks/notifications/images/SMS-icon.png' ";

$this->content->text.= "alt='sms icon' ";

$this->content->text.= "title='".get_string('sms_icon_tooltip', 'block_notifications')."' />";

}

//$this->content->text.= '<br />';

}

if ( $global_config->rss_channel == 1 and $course_registration->notify_by_rss == 1 ) {

if ( isset($course_registration->rss_shortname_url_param) and $course_registration->rss_shortname_url_param == 1 ) {

$this->content->text.= "<a target='_blank' href='$CFG->wwwroot/blocks/notifications/classes/RSS.php?shortname=".urlencode($COURSE->shortname)."'>";

} else {

$this->content->text.= "<a target='_blank' href='$CFG->wwwroot/blocks/notifications/classes/RSS.php?id=$COURSE->id'>";

}

$this->content->text.= "<img src='$CFG->wwwroot/blocks/notifications/images/RSS-icon.png' ";

$this->content->text.= "alt='rss icon' ";

$this->content->text.= "title='".get_string('rss_icon_tooltip', 'block_notifications')."' />";

$this->content->text.= "</a>";

}

}

$this->content->text.= $this->personal_settings($course_registration);

$this->content->footer = '';

return $this->content;

}