<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * Contains the class used for the displaying the tokens table.
 *
 * @package    core_webservice
 * @copyright  2017 John Okely <john@moodle.com>
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */


< namespace webservice;



> namespace core_webservice;



defined('MOODLE_INTERNAL') || die;

require_once($CFG->libdir . '/tablelib.php');
require_once($CFG->dirroot . '/webservice/lib.php');
require_once($CFG->dirroot . '/user/lib.php');

/**
 * Class for the displaying the participants table.
 *
 * @package    core_webservice
 * @copyright  2017 John Okely <john@moodle.com>
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class token_table extends \table_sql {

    /**
     * @var bool $showalltokens Whether or not the user is able to see all tokens.
     */
    protected $showalltokens;


>     /** @var bool $hasviewfullnames Does the user have the viewfullnames capability. */
    /**
>     protected $hasviewfullnames;
     * Sets up the table.
> 
     * @param int $id The id of the table
>     /** @var array */
     */
>     protected $userextrafields;
    public function __construct($id) {
> 
        parent::__construct($id);
>     /** @var object */

>     protected $filterdata;
        // Get the context.
> 


        $context = \context_system::instance();

>      *




>      * @param object $filterdata The data submitted by the {@see token_filter}.



<     public function __construct($id) {



>     public function __construct($id, $filterdata = null) {


        $this->showalltokens = has_capability('moodle/webservice:managealltokens', $context);

>         $this->hasviewfullnames = has_capability('moodle/site:viewfullnames', $context);

> 
        // Define the headers and columns.
>         // List of user identity fields.
        $headers = [];
>         $this->userextrafields = \core_user\fields::get_identity_fields(\context_system::instance(), false);
        $columns = [];
> 

>         // Filter form values.
        $headers[] = get_string('token', 'webservice');
>         $this->filterdata = $filterdata;


        $columns[] = 'token';
        $headers[] = get_string('user');
        $columns[] = 'fullname';
        $headers[] = get_string('service', 'webservice');

<         $columns[] = 'name';



>         $columns[] = 'servicename';


        $headers[] = get_string('iprestriction', 'webservice');
        $columns[] = 'iprestriction';
        $headers[] = get_string('validuntil', 'webservice');
        $columns[] = 'validuntil';
        if ($this->showalltokens) {
            // Only need to show creator if you can see tokens created by other people.
            $headers[] = get_string('tokencreator', 'webservice');
            $columns[] = 'creatorlastname'; // So we can have semi-useful sorting. Table SQL doesn't two fullname collumns.
        }
        $headers[] = get_string('operation', 'webservice');
        $columns[] = 'operation';

        $this->define_columns($columns);
        $this->define_headers($headers);

        $this->no_sorting('operation');
        $this->no_sorting('token');
        $this->no_sorting('iprestriction');

        $this->set_attribute('id', $id);
    }

    /**
     * Generate the operation column.
     *
     * @param \stdClass $data Data for the current row
     * @return string Content for the column
     */
    public function col_operation($data) {
        $tokenpageurl = new \moodle_url(
            "/admin/webservice/tokens.php",
            [

<                 "sesskey" => sesskey(),


                "action" => "delete",
                "tokenid" => $data->id
            ]
        );
        return \html_writer::link($tokenpageurl, get_string("delete"));
    }

    /**
     * Generate the validuntil column.
     *
     * @param \stdClass $data Data for the current row
     * @return string Content for the column
     */
    public function col_validuntil($data) {
        if (empty($data->validuntil)) {
            return '';
        } else {
            return userdate($data->validuntil, get_string('strftimedatetime', 'langconfig'));
        }
    }

    /**
     * Generate the fullname column. Also includes capabilities the user is missing for the webservice (if any)
     *
     * @param \stdClass $data Data for the current row
     * @return string Content for the column
     */
    public function col_fullname($data) {
        global $OUTPUT;


>         $identity = [];
        $userprofilurl = new \moodle_url('/user/profile.php', ['id' => $data->userid]);
> 
        $content = \html_writer::link($userprofilurl, fullname($data));
>         foreach ($this->userextrafields as $userextrafield) {

>             $identity[] = s($data->$userextrafield);
        // Make up list of capabilities that the user is missing for the given webservice.
>         }
        $webservicemanager = new \webservice();
> 



<         $content = \html_writer::link($userprofilurl, fullname($data));



>         $content = \html_writer::link($userprofilurl, fullname($data, $this->hasviewfullnames));
> 
>         if ($identity) {
>             $content .= \html_writer::div('<small>' . implode(', ', $identity) . '</small>', 'useridentity text-muted');
>         }




<         if (!is_siteadmin($data->userid) && array_key_exists($data->userid, $usermissingcaps)) {
<             $missingcapabilities = implode(', ', $usermissingcaps[$data->userid]);
<             if (!empty($missingcapabilities)) {
<                 $capabilitiesstring = get_string('usermissingcaps', 'webservice', $missingcapabilities) . '&nbsp;' .
<                         $OUTPUT->help_icon('missingcaps', 'webservice');
<                 $content .= \html_writer::div($capabilitiesstring, 'missingcaps');
<             }



>         if ($data->serviceshortname <> MOODLE_OFFICIAL_MOBILE_SERVICE && !is_siteadmin($data->userid)
>                 && array_key_exists($data->userid, $usermissingcaps)) {
>             $count = \html_writer::span(count($usermissingcaps[$data->userid]), 'badge badge-danger');
>             $links = array_map(function($capname) {
>                 return get_capability_docs_link((object)['name' => $capname]) . \html_writer::div($capname, 'text-muted');
>             }, $usermissingcaps[$data->userid]);
>             $list = \html_writer::alist($links);
>             $help = $OUTPUT->help_icon('missingcaps', 'webservice');
>             $content .= print_collapsible_region(\html_writer::div($list . $help, 'missingcaps'), 'small mt-2',
>                 \html_writer::random_id('usermissingcaps'), get_string('usermissingcaps', 'webservice', $count), '', true, true);


        }

        return $content;
    }

    /**
     * Generate the token column.
     *
     * @param \stdClass $data Data for the current row
     * @return string Content for the column
     */
    public function col_token($data) {
        global $USER;
        // Hide the token if it wasn't created by the current user.
        if ($data->creatorid != $USER->id) {

<             return '-';



>             return \html_writer::tag('small', get_string('onlyseecreatedtokens', 'core_webservice'), ['class' => 'text-muted']);


        }

        return $data->token;
    }

    /**
     * Generate the creator column.
     *
     * @param \stdClass $data
     * @return string
     */
    public function col_creatorlastname($data) {
        // We have loaded all the name fields for the creator, with the 'creator' prefix.
        // So just remove the prefix and make up a user object.
        $user = [];
        foreach ($data as $key => $value) {
            if (strpos($key, 'creator') !== false) {
                $newkey = str_replace('creator', '', $key);
                $user[$newkey] = $value;
            }
        }

        $creatorprofileurl = new \moodle_url('/user/profile.php', ['id' => $data->creatorid]);

<         return \html_writer::link($creatorprofileurl, fullname((object)$user));



>         return \html_writer::link($creatorprofileurl, fullname((object)$user, $this->hasviewfullnames));
>     }
> 
>     /**
>      * Format the service name column.
>      *
>      * @param \stdClass $data
>      * @return string
>      */
>     public function col_servicename($data) {
>         return \html_writer::div(s($data->servicename)) . \html_writer::div(s($data->serviceshortname), 'small text-muted');


    }

    /**
     * This function is used for the extra user fields.
     *
     * These are being dynamically added to the table so there are no functions 'col_<userfieldname>' as
     * the list has the potential to increase in the future and we don't want to have to remember to add
     * a new method to this class. We also don't want to pollute this class with unnecessary methods.
     *
     * @param string $colname The column name
     * @param \stdClass $data
     * @return string
     */
    public function other_cols($colname, $data) {
        return s($data->{$colname});
    }

    /**
     * Query the database for results to display in the table.
     *
     * Note: Initial bars are not implemented for this table because it includes user details twice and the initial bars do not work
     * when the user table is included more than once.
     *
     * @param int $pagesize size of page for paginated displayed table.
     * @param bool $useinitialsbar Not implemented. Please pass false.
     */
    public function query_db($pagesize, $useinitialsbar = false) {
        global $DB, $USER;

        if ($useinitialsbar) {
            debugging('Initial bar not implemented yet. Call out($pagesize, false)');
        }


<         $usernamefields = get_all_user_name_fields(true, 'u');
<         $creatorfields = get_all_user_name_fields(true, 'c', null, 'creator');



>         $userfieldsapi = \core_user\fields::for_name();
>         $usernamefields = $userfieldsapi->get_sql('u', false, '', '', false)->selects;
>         $creatorfields = $userfieldsapi->get_sql('c', false, 'creator', '', false)->selects;
> 
>         if (!empty($this->userextrafields)) {
>             $usernamefields .= ',u.' . implode(',u.', $this->userextrafields);
>         }
> 
>         $params = ['tokenmode' => EXTERNAL_TOKEN_PERMANENT];




<         $params = ["tokenmode" => EXTERNAL_TOKEN_PERMANENT];



>         $selectfields = "SELECT t.id, t.token, t.iprestriction, t.validuntil, t.creatorid,
>                                 u.id AS userid, $usernamefields,
>                                 s.id AS serviceid, s.name AS servicename, s.shortname AS serviceshortname,
>                                 $creatorfields ";




<         // TODO: in order to let the administrator delete obsolete token, split the request in multiple request or use LEFT JOIN.



>         $selectcount = "SELECT COUNT(t.id) ";




<         if ($this->showalltokens) {
<             // Show all tokens.
<             $sql = "SELECT t.id, t.token, u.id AS userid, $usernamefields, s.name, t.iprestriction, t.validuntil, s.id AS serviceid,
<                            t.creatorid, $creatorfields
<                       FROM {external_tokens} t, {user} u, {external_services} s, {user} c
<                      WHERE t.tokentype = :tokenmode AND s.id = t.externalserviceid AND t.userid = u.id AND c.id = t.creatorid";
<             $countsql = "SELECT COUNT(t.id)
<                            FROM {external_tokens} t, {user} u, {external_services} s, {user} c
<                           WHERE t.tokentype = :tokenmode AND s.id = t.externalserviceid AND t.userid = u.id AND c.id = t.creatorid";
<         } else {



>         $sql = "  FROM {external_tokens} t
>                   JOIN {user} u ON u.id = t.userid
>                   JOIN {external_services} s ON s.id = t.externalserviceid
>                   JOIN {user} c ON c.id = t.creatorid
>                  WHERE t.tokentype = :tokenmode";
> 
>         if (!$this->showalltokens) {


            // Only show tokens created by the current user.

<             $sql = "SELECT t.id, t.token, u.id AS userid, $usernamefields, s.name, t.iprestriction, t.validuntil, s.id AS serviceid,
<                            t.creatorid, $creatorfields
<                       FROM {external_tokens} t, {user} u, {external_services} s, {user} c
<                      WHERE t.creatorid=:userid AND t.tokentype = :tokenmode AND s.id = t.externalserviceid AND t.userid = u.id AND
<                            c.id = t.creatorid";
<             $countsql = "SELECT COUNT(t.id)
<                            FROM {external_tokens} t, {user} u, {external_services} s, {user} c
<                           WHERE t.creatorid=:userid AND t.tokentype = :tokenmode AND s.id = t.externalserviceid AND
<                                 t.userid = u.id AND c.id = t.creatorid";
<             $params["userid"] = $USER->id;



>             $sql .= " AND t.creatorid = :userid";
>             $params['userid'] = $USER->id;
>         }
> 
>         if ($this->filterdata->token !== '') {
>             $sql .= " AND " . $DB->sql_like("t.token", ":token");
>             $params['token'] = "%" . $DB->sql_like_escape($this->filterdata->token) . "%";
>         }
> 
>         if (!empty($this->filterdata->users)) {
>             list($sqlusers, $paramsusers) = $DB->get_in_or_equal($this->filterdata->users, SQL_PARAMS_NAMED, 'user');
>             $sql .= " AND t.userid {$sqlusers}";
>             $params += $paramsusers;
>         }
> 
>         if (!empty($this->filterdata->services)) {
>             list($sqlservices, $paramsservices) = $DB->get_in_or_equal($this->filterdata->services, SQL_PARAMS_NAMED, 'service');
>             $sql .= " AND s.id {$sqlservices}";
>             $params += $paramsservices;


        }

        $sort = $this->get_sql_sort();

>         $sortsql = '';
        if ($sort) {
> 



<             $sql = $sql . ' ORDER BY ' . $sort;



>             $sortsql = " ORDER BY {$sort}";


        }


<         $total = $DB->count_records_sql($countsql, $params);



>         $total = $DB->count_records_sql($selectcount . $sql, $params);


        $this->pagesize($pagesize, $total);


<         $this->rawdata = $DB->get_recordset_sql($sql, $params, $this->get_page_start(), $this->get_page_size());



>         $this->rawdata = $DB->get_recordset_sql($selectfields . $sql . $sortsql, $params, $this->get_page_start(),
>             $this->get_page_size());


    }
}