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Adição de bloco para login e logout
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‎blocks/login_logout/block_login_logout.php

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<?php
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class block_login_logout extends block_base {
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public function init() {
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$this->title = get_string('pluginname', 'block_login_logout');
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}
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public function applicable_formats() {
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return array('all' => true);
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}
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public function specialization() {
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if (!isloggedin() or isguestuser()) {
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$this->title = get_string('login');
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} else {
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$utz = timezone_offset_get(); //get_user_timezone_offset();
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if ($utz == 99) {
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$ut = (date('G')*3600 + date('i')*60 + date('s'))/3600;
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} else {
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$ut = ((gmdate('G') + timezone_offset_get() /*get_user_timezone_offset()*/ )*3600 + gmdate('i')*60 + gmdate('s'))/3600;
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If ($ut <= 0) { $ut = 24 + $ut; }
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If ($ut > 24) { $ut = $ut - 24; }
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}
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if ($ut < 12) {
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$this->title = get_string('morning_greeting', 'block_login_logout');
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} elseif (($ut >=12 ) and ($ut < 19 )) {
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$this->title = get_string('afternoon_greeting', 'block_login_logout');
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} else {
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$this->title = get_string('night_greeting', 'block_login_logout');
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}
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}
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}
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public function get_content () {
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global $USER, $CFG, $OUTPUT, $SESSION, $COURSE;
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$wwwroot = '';
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$signup = '';
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if ($this->content !== NULL) {
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return $this->content;
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}
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if (empty($CFG->loginhttps)) {
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$wwwroot = $CFG->wwwroot;
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} else {
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$wwwroot = str_replace("http://", "https://", $CFG->wwwroot);
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}
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if (!empty($CFG->registerauth)) {
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$authplugin = get_auth_plugin($CFG->registerauth);
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if ($authplugin->can_signup()) {
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$signup = $wwwroot . '/login/signup.php';
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}
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}
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$forgot = $wwwroot . '/login/forgot_password.php';
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$username = get_moodle_cookie();
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$this->content->footer = '';
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$this->content->text = '';
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if (!isloggedin() or isguestuser()) {
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$this->content->text .= html_writer::start_tag('form', array('class'=>'loginform', 'id'=>'login', 'method'=>'post', 'action'=>get_login_url()));
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$this->content->text .= html_writer::start_tag('div', array('class'=>'c1 fld username'));
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$this->content->text .= html_writer::tag('label', get_string('username'), array('for'=>'login_username'));
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$this->content->text .= html_writer::empty_tag('input', array('type'=>'text', 'name'=>'username', 'id'=>'login_username', 'value'=>s($username)));
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$this->content->text .= html_writer::end_tag('div');
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$this->content->text .= html_writer::start_tag('div', array('class'=>'c1 fld password'));
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$this->content->text .= html_writer::tag('label', get_string('password'), array('for'=>'login_password'));
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if (!empty($CFG->loginpasswordautocomplete)) {
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$this->content->text .= html_writer::empty_tag('input', array('type'=>'password', 'name'=>'password', 'id'=>'login_password', 'value'=>'', 'autocomplete'=>'off'));
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} else {
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$this->content->text .= html_writer::empty_tag('input', array('type'=>'password', 'name'=>'password', 'id'=>'login_password', 'value'=>''));
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}
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$this->content->text .= html_writer::end_tag('div');
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if (isset($CFG->rememberusername) and $CFG->rememberusername == 2) {
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$this->content->text .= html_writer::start_tag('div', array('class'=>'c1 rememberusername'));
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if ($username) {
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$this->content->text .= html_writer::empty_tag('input', array('type'=>'checkbox', 'name'=>'rememberusername', 'id'=>'rememberusername', 'value'=>'1', 'checked'=>'checked'));
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} else {
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$this->content->text .= html_writer::empty_tag('input', array('type'=>'checkbox', 'name'=>'rememberusername', 'id'=>'rememberusername', 'value'=>'1'));
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}
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$label_rememberusername = ' '.get_string('rememberusername', 'admin');
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$this->content->text .= html_writer::tag('label', $label_rememberusername, array('for'=>'rememberusername'));
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$this->content->text .= html_writer::end_tag('div');
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}
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$this->content->text .= html_writer::start_tag('div', array('class'=>'c1 btn'));
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$this->content->text .= html_writer::empty_tag('input', array('type'=>'submit', 'value'=>get_string('login')));
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$this->content->text .= html_writer::end_tag('div');
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$this->content->text .= html_writer::end_tag('form');
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if (!empty($signup)) {
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$this->content->footer .= html_writer::start_tag('div');
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$this->content->footer .= html_writer::link(new moodle_url($signup), get_string('startsignup'));
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$this->content->footer .= html_writer::end_tag('div');
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}
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if (!empty($forgot)) {
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$this->content->footer .= html_writer::start_tag('div');
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$this->content->footer .= html_writer::link(new moodle_url($forgot), get_string('forgotaccount'));
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$this->content->footer .= html_writer::end_tag('div');
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}
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} else {
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$this->content->text .= html_writer::start_tag('div', array('class'=>'logoutusername'));
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$this->content->text .= html_writer::link(new moodle_url('/user/profile.php', array('id'=>$USER->id)), fullname($USER));
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$this->content->text .= html_writer::end_tag('div');
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$this->content->text .= html_writer::tag('div', $OUTPUT->user_picture($USER, array('size'=>90, 'class'=>'profilepicture')), array('class'=>'logoutuserimg'));
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$this->content->text .= html_writer::start_tag('div', array('class'=>'logoutbtn'));
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$this->content->text .= html_writer::link(new moodle_url('/login/logout.php', array('sesskey'=>sesskey())), html_writer::tag('button', get_string('logout'), array('type'=>'button')));
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$this->content->text .= html_writer::end_tag('div');
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$this->content->text .= html_writer::start_tag('div', array('class'=>'logoutfooter'));
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$this->content->text .= html_writer::link(new moodle_url('/user/editadvanced.php', array('id'=>$USER->id)), get_string('updatemyprofile'));
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$this->content->text .= html_writer::end_tag('div');
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if($USER->lastlogin){
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$logout_footer = get_string('lastlogin').'<br>'.userdate($USER->lastlogin, get_string('strftimerecentfull')).'<br> ('.format_time(time() - $USER->lastlogin).')';
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$this->content->text .= html_writer::tag('div', $logout_footer, array('class'=>'logoutfooter'));
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}
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}
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return $this->content;
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}
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}
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‎blocks/login_logout/lang/en/block_login_logout.php

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<?php
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$string['pluginname'] = 'Login/Logout';
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$string['morning_greeting'] = 'Good Morning';
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$string['afternoon_greeting'] = 'Good Afternoon';
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$string['night_greeting'] = 'Good Evening';

‎blocks/login_logout/lang/es/block_login_logout.php

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<?php
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$string['pluginname'] = 'Entrar/Salir';
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$string['morning_greeting'] = 'Buenos D&iacute;as';
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$string['afternoon_greeting'] = 'Buenas Tardes';
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$string['night_greeting'] = 'Buenas Noches';

‎blocks/login_logout/readme.txt

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According to Arthur Andersen, "ease of use"/navigation is the first reason (74%) what makes a person want to come back after to use a website. User should easily find options for login and logout a website. Most sites use the same module to enter and exit. Login block of moodle dissapears after user is logged.
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I built a block that provides login and logout options. It has two views: first is like to standard login block and changes to the second view when user is logged, showing the following information:
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�Greeting: Good Morning, Good Afternoon or Good Evening is displayed in block header. It is shown according to user's timezone.
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�User full Name: linked to user's profile.
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�User's image: linked to user's profile.
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�Logout Button: click to exit moodle.
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�Update Profile: linked to user data in advanced edit mode.
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�Last login: shows date and time of the last user login.
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How to install
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� Download and unzip login_logout.zip file
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� Copy login_logout folder to /blocks folder of your moodle installation
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� Login as Administrator, if plugin check page is displayed, click upgrade button, otherwise go to Notifications page.
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� Click on "Turn editing on"
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� Add "Login/Logout" block in your frontpage (if standard login block is added, remove it). It can be added in others moodle areas too (mymoodle, courses, etc.)
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� Select a good position for your new block and move it
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� It has two language files: english and spanish. Other language users can make a copy of the folder /login_logout/lang/en, rename it and translate strings in the file block_login_logout.php
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That's all.
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Enjoy!
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Luis De Sousa
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IMYCA - Facultad de Ingenier�a
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Universidad de Carabobo
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Venezuela

‎blocks/login_logout/styles.css

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.block_login_logout .loginform .c1 {font-size:12px; margin:0px 2px 4px 0px;text-align:right;}
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.block_login_logout .loginform .c1.fld input {width:5em;}
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.block_login_logout .loginform .c1.fld label {padding-right:3px;}
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.block_login_logout .loginform .c1.btn {text-align:center;}
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.block_login_logout .loginform .c1.btn input {padding:2px 10px 2px 10px;}
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.block_login_logout .logoutusername, .logoutuserimg {text-align:center; font-size:10pt; padding:2px;}
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.block_login_logout .logoutbtn {text-align:center; font-size:10pt;}
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.block_login_logout .logoutbtn button {padding:2px 10px 2px 10px;}
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.block_login_logout .logoutfooter {text-align:center; font-size:8pt; padding:2px;}
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‎blocks/login_logout/version.php

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<?php
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defined('MOODLE_INTERNAL') || die();
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$plugin->version = 2012032422; // The current plugin version (Date: YYYYMMDDXX)
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$plugin->requires = 2011120100; // Requires this Moodle version
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$plugin->component = 'block_login_logout'; // Full name of the plugin (used for diagnostics)
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$plugin->maturity = MATURITY_STABLE;
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$plugin->release = '2.0 (Build: 2012032422)';

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