user/externallib.php

   1 <?php
   2 // This file is part of Moodle - http://moodle.org/
   3 //
   4 // Moodle is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // Moodle is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16
  17
  18 /**
  19  * External user API
  20  *
  21  * @package    core_user
  22  * @category   external
  23  * @copyright  2009 Petr Skodak
  24  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  25  */
  26
  27 require_once("$CFG->libdir/externallib.php");
  28
  29 /**
  30  * User external functions
  31  *
  32  * @package    core_user
  33  * @category   external
  34  * @copyright  2011 Jerome Mouneyrac
  35  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  36  * @since Moodle 2.2
  37  */
  38 class core_user_external extends external_api {
  39
  40     /**
  41      * Returns description of method parameters
  42      *
  43      * @return external_function_parameters
  44      * @since Moodle 2.2
  45      */
  46     public static function create_users_parameters() {
  47         global $CFG;
  48
  49         return new external_function_parameters(
  50             array(
  51                 'users' => new external_multiple_structure(
  52                     new external_single_structure(
  53                         array(
  54                             'username'            => new external_value(PARAM_USERNAME, 'Username policy is defined in Moodle security config.'),
  55                             'password'            => new external_value(PARAM_RAW, 'Plain text password consisting of any characters'),
  56                             'firstname'           => new external_value(PARAM_NOTAGS, 'The first name(s) of the user'),
  57                             'lastname'            => new external_value(PARAM_NOTAGS, 'The family name of the user'),
  58                             'email'               => new external_value(PARAM_EMAIL, 'A valid and unique email address'),
  59                             'auth'                => new external_value(PARAM_PLUGIN, 'Auth plugins include manual, ldap, imap, etc', VALUE_DEFAULT, 'manual', NULL_NOT_ALLOWED),
  60                             'idnumber'            => new external_value(PARAM_RAW, 'An arbitrary ID code number perhaps from the institution', VALUE_DEFAULT, ''),
  61                             'lang'                => new external_value(PARAM_SAFEDIR, 'Language code such as "en", must exist on server', VALUE_DEFAULT, $CFG->lang, NULL_NOT_ALLOWED),
  62                             'theme'               => new external_value(PARAM_PLUGIN, 'Theme name such as "standard", must exist on server', VALUE_OPTIONAL),
  63                             'timezone'            => new external_value(PARAM_TIMEZONE, 'Timezone code such as Australia/Perth, or 99 for default', VALUE_OPTIONAL),
  64                             'mailformat'          => new external_value(PARAM_INT, 'Mail format code is 0 for plain text, 1 for HTML etc', VALUE_OPTIONAL),
  65                             'description'         => new external_value(PARAM_TEXT, 'User profile description, no HTML', VALUE_OPTIONAL),
  66                             'city'                => new external_value(PARAM_NOTAGS, 'Home city of the user', VALUE_OPTIONAL),
  67                             'country'             => new external_value(PARAM_ALPHA, 'Home country code of the user, such as AU or CZ', VALUE_OPTIONAL),
  68                             'firstnamephonetic'   => new external_value(PARAM_NOTAGS, 'The first name(s) phonetically of the user', VALUE_OPTIONAL),
  69                             'lastnamephonetic'    => new external_value(PARAM_NOTAGS, 'The family name phonetically of the user', VALUE_OPTIONAL),
  70                             'middlename'          => new external_value(PARAM_NOTAGS, 'The middle name of the user', VALUE_OPTIONAL),
  71                             'alternatename'       => new external_value(PARAM_NOTAGS, 'The alternate name of the user', VALUE_OPTIONAL),
  72                             'preferences'         => new external_multiple_structure(
  73                                 new external_single_structure(
  74                                     array(
  75                                         'type'  => new external_value(PARAM_ALPHANUMEXT, 'The name of the preference'),
  76                                         'value' => new external_value(PARAM_RAW, 'The value of the preference')
  77                                     )
  78                                 ), 'User preferences', VALUE_OPTIONAL),
  79                             'customfields' => new external_multiple_structure(
  80                                 new external_single_structure(
  81                                     array(
  82                                         'type'  => new external_value(PARAM_ALPHANUMEXT, 'The name of the custom field'),
  83                                         'value' => new external_value(PARAM_RAW, 'The value of the custom field')
  84                                     )
  85                                 ), 'User custom fields (also known as user profil fields)', VALUE_OPTIONAL)
  86                         )
  87                     )
  88                 )
  89             )
  90         );
  91     }
  92
  93     /**
  94      * Create one or more users
  95      *
  96      * @param array $users An array of users to create.
  97      * @return array An array of arrays
  98      * @since Moodle 2.2
  99      */
 100     public static function create_users($users) {
 101         global $CFG, $DB;
 102         require_once($CFG->dirroot."/lib/weblib.php");
 103         require_once($CFG->dirroot."/user/lib.php");
 104         require_once($CFG->dirroot."/user/profile/lib.php"); //required for customfields related function
 105
 106         // Ensure the current user is allowed to run this function
 107         $context = context_system::instance();
 108         self::validate_context($context);
 109         require_capability('moodle/user:create', $context);
 110
 111         // Do basic automatic PARAM checks on incoming data, using params description
 112         // If any problems are found then exceptions are thrown with helpful error messages
 113         $params = self::validate_parameters(self::create_users_parameters(), array('users'=>$users));
 114
 115         $availableauths  = core_component::get_plugin_list('auth');
 116         unset($availableauths['mnet']);       // these would need mnethostid too
 117         unset($availableauths['webservice']); // we do not want new webservice users for now
 118
 119         $availablethemes = core_component::get_plugin_list('theme');
 120         $availablelangs  = get_string_manager()->get_list_of_translations();
 121
 122         $transaction = $DB->start_delegated_transaction();
 123
 124         $userids = array();
 125         foreach ($params['users'] as $user) {
 126             // Make sure that the username doesn't already exist
 127             if ($DB->record_exists('user', array('username'=>$user['username'], 'mnethostid'=>$CFG->mnet_localhost_id))) {
 128                 throw new invalid_parameter_exception('Username already exists: '.$user['username']);
 129             }
 130
 131             // Make sure auth is valid
 132             if (empty($availableauths[$user['auth']])) {
 133                 throw new invalid_parameter_exception('Invalid authentication type: '.$user['auth']);
 134             }
 135
 136             // Make sure lang is valid
 137             if (empty($availablelangs[$user['lang']])) {
 138                 throw new invalid_parameter_exception('Invalid language code: '.$user['lang']);
 139             }
 140
 141             // Make sure lang is valid
 142             if (!empty($user['theme']) && empty($availablethemes[$user['theme']])) { //theme is VALUE_OPTIONAL,
 143                                                                                      // so no default value.
 144                                                                                      // We need to test if the client sent it
 145                                                                                      // => !empty($user['theme'])
 146                 throw new invalid_parameter_exception('Invalid theme: '.$user['theme']);
 147             }
 148
 149             $user['confirmed'] = true;
 150             $user['mnethostid'] = $CFG->mnet_localhost_id;
 151
 152             // Start of user info validation.
 153             // Lets make sure we validate current user info as handled by current GUI. see user/editadvanced_form.php function validation()
 154             if (!validate_email($user['email'])) {
 155                 throw new invalid_parameter_exception('Email address is invalid: '.$user['email']);
 156             } else if ($DB->record_exists('user', array('email'=>$user['email'], 'mnethostid'=>$user['mnethostid']))) {
 157                 throw new invalid_parameter_exception('Email address already exists: '.$user['email']);
 158             }
 159             // End of user info validation.
 160
 161             // create the user data now!
 162             $user['id'] = user_create_user($user);
 163
 164             // custom fields
 165             if(!empty($user['customfields'])) {
 166                 foreach($user['customfields'] as $customfield) {
 167                     $user["profile_field_".$customfield['type']] = $customfield['value']; //profile_save_data() saves profile file
 168                                                                                             //it's expecting a user with the correct id,
 169                                                                                             //and custom field to be named profile_field_"shortname"
 170                 }
 171                 profile_save_data((object) $user);
 172             }
 173
 174             //preferences
 175             if (!empty($user['preferences'])) {
 176                 foreach($user['preferences'] as $preference) {
 177                     set_user_preference($preference['type'], $preference['value'],$user['id']);
 178                 }
 179             }
 180
 181             $userids[] = array('id'=>$user['id'], 'username'=>$user['username']);
 182         }
 183
 184         $transaction->allow_commit();
 185
 186         return $userids;
 187     }
 188
 189    /**
 190      * Returns description of method result value
 191      *
 192      * @return external_description
 193      * @since Moodle 2.2
 194      */
 195     public static function create_users_returns() {
 196         return new external_multiple_structure(
 197             new external_single_structure(
 198                 array(
 199                     'id'       => new external_value(PARAM_INT, 'user id'),
 200                     'username' => new external_value(PARAM_USERNAME, 'user name'),
 201                 )
 202             )
 203         );
 204     }
 205
 206
 207     /**
 208      * Returns description of method parameters
 209      *
 210      * @return external_function_parameters
 211      * @since Moodle 2.2
 212      */
 213     public static function delete_users_parameters() {
 214         return new external_function_parameters(
 215             array(
 216                 'userids' => new external_multiple_structure(new external_value(PARAM_INT, 'user ID')),
 217             )
 218         );
 219     }
 220
 221     /**
 222      * Delete users
 223      *
 224      * @param array $userids
 225      * @return null
 226      * @since Moodle 2.2
 227      */
 228     public static function delete_users($userids) {
 229         global $CFG, $DB, $USER;
 230         require_once($CFG->dirroot."/user/lib.php");
 231
 232         // Ensure the current user is allowed to run this function
 233         $context = context_system::instance();
 234         require_capability('moodle/user:delete', $context);
 235         self::validate_context($context);
 236
 237         $params = self::validate_parameters(self::delete_users_parameters(), array('userids'=>$userids));
 238
 239         $transaction = $DB->start_delegated_transaction();
 240
 241         foreach ($params['userids'] as $userid) {
 242             $user = $DB->get_record('user', array('id'=>$userid, 'deleted'=>0), '*', MUST_EXIST);
 243             // must not allow deleting of admins or self!!!
 244             if (is_siteadmin($user)) {
 245                 throw new moodle_exception('useradminodelete', 'error');
 246             }
 247             if ($USER->id == $user->id) {
 248                 throw new moodle_exception('usernotdeletederror', 'error');
 249             }
 250             user_delete_user($user);
 251         }
 252
 253         $transaction->allow_commit();
 254
 255         return null;
 256     }
 257
 258    /**
 259      * Returns description of method result value
 260      *
 261      * @return null
 262      * @since Moodle 2.2
 263      */
 264     public static function delete_users_returns() {
 265         return null;
 266     }
 267
 268
 269     /**
 270      * Returns description of method parameters
 271      *
 272      * @return external_function_parameters
 273      * @since Moodle 2.2
 274      */
 275     public static function update_users_parameters() {
 276         global $CFG;
 277         return new external_function_parameters(
 278             array(
 279                 'users' => new external_multiple_structure(
 280                     new external_single_structure(
 281                         array(
 282                             'id'    => new external_value(PARAM_INT, 'ID of the user'),
 283                             'username'            => new external_value(PARAM_USERNAME, 'Username policy is defined in Moodle security config.', VALUE_OPTIONAL, '',NULL_NOT_ALLOWED),
 284                             'password'            => new external_value(PARAM_RAW, 'Plain text password consisting of any characters', VALUE_OPTIONAL, '',NULL_NOT_ALLOWED),
 285                             'firstname'           => new external_value(PARAM_NOTAGS, 'The first name(s) of the user', VALUE_OPTIONAL, '',NULL_NOT_ALLOWED),
 286                             'lastname'            => new external_value(PARAM_NOTAGS, 'The family name of the user', VALUE_OPTIONAL),
 287                             'email'               => new external_value(PARAM_EMAIL, 'A valid and unique email address', VALUE_OPTIONAL, '',NULL_NOT_ALLOWED),
 288                             'auth'                => new external_value(PARAM_PLUGIN, 'Auth plugins include manual, ldap, imap, etc', VALUE_OPTIONAL, '', NULL_NOT_ALLOWED),
 289                             'idnumber'            => new external_value(PARAM_RAW, 'An arbitrary ID code number perhaps from the institution', VALUE_OPTIONAL),
 290                             'lang'                => new external_value(PARAM_SAFEDIR, 'Language code such as "en", must exist on server', VALUE_OPTIONAL, '', NULL_NOT_ALLOWED),
 291                             'theme'               => new external_value(PARAM_PLUGIN, 'Theme name such as "standard", must exist on server', VALUE_OPTIONAL),
 292                             'timezone'            => new external_value(PARAM_TIMEZONE, 'Timezone code such as Australia/Perth, or 99 for default', VALUE_OPTIONAL),
 293                             'mailformat'          => new external_value(PARAM_INT, 'Mail format code is 0 for plain text, 1 for HTML etc', VALUE_OPTIONAL),
 294                             'description'         => new external_value(PARAM_TEXT, 'User profile description, no HTML', VALUE_OPTIONAL),
 295                             'city'                => new external_value(PARAM_NOTAGS, 'Home city of the user', VALUE_OPTIONAL),
 296                             'country'             => new external_value(PARAM_ALPHA, 'Home country code of the user, such as AU or CZ', VALUE_OPTIONAL),
 297                             'firstnamephonetic'   => new external_value(PARAM_NOTAGS, 'The first name(s) phonetically of the user', VALUE_OPTIONAL),
 298                             'lastnamephonetic'    => new external_value(PARAM_NOTAGS, 'The family name phonetically of the user', VALUE_OPTIONAL),
 299                             'middlename'          => new external_value(PARAM_NOTAGS, 'The middle name of the user', VALUE_OPTIONAL),
 300                             'alternatename'       => new external_value(PARAM_NOTAGS, 'The alternate name of the user', VALUE_OPTIONAL),
 301                             'customfields'        => new external_multiple_structure(
 302                                 new external_single_structure(
 303                                     array(
 304                                         'type'  => new external_value(PARAM_ALPHANUMEXT, 'The name of the custom field'),
 305                                         'value' => new external_value(PARAM_RAW, 'The value of the custom field')
 306                                     )
 307                                 ), 'User custom fields (also known as user profil fields)', VALUE_OPTIONAL),
 308                             'preferences' => new external_multiple_structure(
 309                                 new external_single_structure(
 310                                     array(
 311                                         'type'  => new external_value(PARAM_ALPHANUMEXT, 'The name of the preference'),
 312                                         'value' => new external_value(PARAM_RAW, 'The value of the preference')
 313                                     )
 314                                 ), 'User preferences', VALUE_OPTIONAL),
 315                         )
 316                     )
 317                 )
 318             )
 319         );
 320     }
 321
 322     /**
 323      * Update users
 324      *
 325      * @param array $users
 326      * @return null
 327      * @since Moodle 2.2
 328      */
 329     public static function update_users($users) {
 330         global $CFG, $DB;
 331         require_once($CFG->dirroot."/user/lib.php");
 332         require_once($CFG->dirroot."/user/profile/lib.php"); //required for customfields related function
 333
 334         // Ensure the current user is allowed to run this function
 335         $context = context_system::instance();
 336         require_capability('moodle/user:update', $context);
 337         self::validate_context($context);
 338
 339         $params = self::validate_parameters(self::update_users_parameters(), array('users'=>$users));
 340
 341         $transaction = $DB->start_delegated_transaction();
 342
 343         foreach ($params['users'] as $user) {
 344             user_update_user($user);
 345             //update user custom fields
 346             if(!empty($user['customfields'])) {
 347
 348                 foreach($user['customfields'] as $customfield) {
 349                     $user["profile_field_".$customfield['type']] = $customfield['value']; //profile_save_data() saves profile file
 350                                                                                             //it's expecting a user with the correct id,
 351                                                                                             //and custom field to be named profile_field_"shortname"
 352                 }
 353                 profile_save_data((object) $user);
 354             }
 355
 356             //preferences
 357             if (!empty($user['preferences'])) {
 358                 foreach($user['preferences'] as $preference) {
 359                     set_user_preference($preference['type'], $preference['value'],$user['id']);
 360                 }
 361             }
 362         }
 363
 364         $transaction->allow_commit();
 365
 366         return null;
 367     }
 368
 369    /**
 370      * Returns description of method result value
 371      *
 372      * @return null
 373      * @since Moodle 2.2
 374      */
 375     public static function update_users_returns() {
 376         return null;
 377     }
 378
 379    /**
 380    * Returns description of method parameters
 381    *
 382    * @return external_function_parameters
 383    * @since Moodle 2.4
 384    */
 385     public static function get_users_by_field_parameters() {
 386         return new external_function_parameters(
 387             array(
 388                 'field' => new external_value(PARAM_ALPHA, 'the search field can be
 389                     \'id\' or \'idnumber\' or \'username\' or \'email\''),
 390                 'values' => new external_multiple_structure(
 391                         new external_value(PARAM_RAW, 'the value to match'))
 392             )
 393         );
 394     }
 395
 396     /**
 397      * Get user information for a unique field.
 398      *
 399      * @param string $field
 400      * @param array $values
 401      * @return array An array of arrays containg user profiles.
 402      * @since Moodle 2.4
 403      */
 404     public static function get_users_by_field($field, $values) {
 405         global $CFG, $USER, $DB;
 406         require_once($CFG->dirroot . "/user/lib.php");
 407
 408         $params = self::validate_parameters(self::get_users_by_field_parameters(),
 409                 array('field' => $field, 'values' => $values));
 410
 411         // This array will keep all the users that are allowed to be searched,
 412         // according to the current user's privileges.
 413         $cleanedvalues = array();
 414
 415         switch ($field) {
 416             case 'id':
 417                 $paramtype = PARAM_INT;
 418                 break;
 419             case 'idnumber':
 420                 $paramtype = PARAM_RAW;
 421                 break;
 422             case 'username':
 423                 $paramtype = PARAM_RAW;
 424                 break;
 425             case 'email':
 426                 $paramtype = PARAM_EMAIL;
 427                 break;
 428             default:
 429                 throw new coding_exception('invalid field parameter',
 430                         'The search field \'' . $field . '\' is not supported, look at the web service documentation');
 431         }
 432
 433         // Clean the values
 434         foreach ($values as $value) {
 435             $cleanedvalue = clean_param($value, $paramtype);
 436             if ( $value != $cleanedvalue) {
 437                 throw new invalid_parameter_exception('The field \'' . $field .
 438                         '\' value is invalid: ' . $value . '(cleaned value: '.$cleanedvalue.')');
 439             }
 440             $cleanedvalues[] = $cleanedvalue;
 441         }
 442
 443         // Retrieve the users
 444         $users = $DB->get_records_list('user', $field, $cleanedvalues, 'id');
 445
 446         // Finally retrieve each users information
 447         $returnedusers = array();
 448         foreach ($users as $user) {
 449             $userdetails = user_get_user_details_courses($user);
 450
 451             // Return the user only if the searched field is returned
 452             // Otherwise it means that the $USER was not allowed to search the returned user
 453             if (!empty($userdetails) and !empty($userdetails[$field])) {
 454                 $returnedusers[] = $userdetails;
 455             }
 456         }
 457
 458         return $returnedusers;
 459     }
 460
 461     /**
 462      * Returns description of method result value
 463      *
 464      * @return external_multiple_structure
 465      * @since Moodle 2.4
 466      */
 467     public static function get_users_by_field_returns() {
 468         return new external_multiple_structure(self::user_description());
 469     }
 470
 471
 472     /**
 473      * Returns description of get_users() parameters.
 474      *
 475      * @return external_function_parameters
 476      * @since Moodle 2.5
 477      */
 478     public static function get_users_parameters() {
 479         return new external_function_parameters(
 480             array(
 481                 'criteria' => new external_multiple_structure(
 482                     new external_single_structure(
 483                         array(
 484                             'key' => new external_value(PARAM_ALPHA, 'the user column to search, expected keys (value format) are:
 485                                 "id" (int) matching user id,
 486                                 "lastname" (string) user last name (Note: you can use % for searching but it may be considerably slower!),
 487                                 "firstname" (string) user first name (Note: you can use % for searching but it may be considerably slower!),
 488                                 "idnumber" (string) matching user idnumber,
 489                                 "username" (string) matching user username,
 490                                 "email" (string) user email (Note: you can use % for searching but it may be considerably slower!),
 491                                 "auth" (string) matching user auth plugin'),
 492                             'value' => new external_value(PARAM_RAW, 'the value to search')
 493                         )
 494                     ), 'the key/value pairs to be considered in user search. Values can not be empty.
 495                         Specify different keys only once (fullname => \'user1\', auth => \'manual\', ...) -
 496                         key occurences are forbidden.
 497                         The search is executed with AND operator on the criterias. Invalid criterias (keys) are ignored,
 498                         the search is still executed on the valid criterias.
 499                         You can search without criteria, but the function is not designed for it.
 500                         It could very slow or timeout. The function is designed to search some specific users.'
 501                 )
 502             )
 503         );
 504     }
 505
 506     /**
 507      * Retrieve matching user.
 508      *
 509      * @param array $criteria the allowed array keys are id/lastname/firstname/idnumber/username/email/auth.
 510      * @return array An array of arrays containing user profiles.
 511      * @since Moodle 2.5
 512      */
 513     public static function get_users($criteria = array()) {
 514         global $CFG, $USER, $DB;
 515
 516         require_once($CFG->dirroot . "/user/lib.php");
 517
 518         $params = self::validate_parameters(self::get_users_parameters(),
 519                 array('criteria' => $criteria));
 520
 521         // Validate the criteria and retrieve the users.
 522         $users = array();
 523         $warnings = array();
 524         $sqlparams = array();
 525         $usedkeys = array();
 526
 527         // Do not retrieve deleted users.
 528         $sql = ' deleted = 0';
 529
 530         foreach ($params['criteria'] as $criteriaindex => $criteria) {
 531
 532             // Check that the criteria has never been used.
 533             if (array_key_exists($criteria['key'], $usedkeys)) {
 534                 throw new moodle_exception('keyalreadyset', '', '', null, 'The key ' . $criteria['key'] . ' can only be sent once');
 535             } else {
 536                 $usedkeys[$criteria['key']] = true;
 537             }
 538
 539             $invalidcriteria = false;
 540             // Clean the parameters.
 541             $paramtype = PARAM_RAW;
 542             switch ($criteria['key']) {
 543                 case 'id':
 544                     $paramtype = PARAM_INT;
 545                     break;
 546                 case 'idnumber':
 547                     $paramtype = PARAM_RAW;
 548                     break;
 549                 case 'username':
 550                     $paramtype = PARAM_RAW;
 551                     break;
 552                 case 'email':
 553                     // We use PARAM_RAW to allow searches with %.
 554                     $paramtype = PARAM_RAW;
 555                     break;
 556                 case 'auth':
 557                     $paramtype = PARAM_AUTH;
 558                     break;
 559                 case 'lastname':
 560                 case 'firstname':
 561                     $paramtype = PARAM_TEXT;
 562                     break;
 563                 default:
 564                     // Send back a warning that this search key is not supported in this version.
 565                     // This warning will make the function extandable without breaking clients.
 566                     $warnings[] = array(
 567                         'item' => $criteria['key'],
 568                         'warningcode' => 'invalidfieldparameter',
 569                         'message' => 'The search key \'' . $criteria['key'] . '\' is not supported, look at the web service documentation'
 570                     );
 571                     // Do not add this invalid criteria to the created SQL request.
 572                     $invalidcriteria = true;
 573                     unset($params['criteria'][$criteriaindex]);
 574                     break;
 575             }
 576
 577             if (!$invalidcriteria) {
 578                 $cleanedvalue = clean_param($criteria['value'], $paramtype);
 579
 580                 $sql .= ' AND ';
 581
 582                 // Create the SQL.
 583                 switch ($criteria['key']) {
 584                     case 'id':
 585                     case 'idnumber':
 586                     case 'username':
 587                     case 'auth':
 588                         $sql .= $criteria['key'] . ' = :' . $criteria['key'];
 589                         $sqlparams[$criteria['key']] = $cleanedvalue;
 590                         break;
 591                     case 'email':
 592                     case 'lastname':
 593                     case 'firstname':
 594                         $sql .= $DB->sql_like($criteria['key'], ':' . $criteria['key'], false);
 595                         $sqlparams[$criteria['key']] = $cleanedvalue;
 596                         break;
 597                     default:
 598                         break;
 599                 }
 600             }
 601         }
 602
 603         $users = $DB->get_records_select('user', $sql, $sqlparams, 'id ASC');
 604
 605         // Finally retrieve each users information.
 606         $returnedusers = array();
 607         foreach ($users as $user) {
 608             $userdetails = user_get_user_details_courses($user);
 609
 610             // Return the user only if all the searched fields are returned.
 611             // Otherwise it means that the $USER was not allowed to search the returned user.
 612             if (!empty($userdetails)) {
 613                 $validuser = true;
 614
 615                 foreach($params['criteria'] as $criteria) {
 616                     if (empty($userdetails[$criteria['key']])) {
 617                         $validuser = false;
 618                     }
 619                 }
 620
 621                 if ($validuser) {
 622                     $returnedusers[] = $userdetails;
 623                 }
 624             }
 625         }
 626
 627         return array('users' => $returnedusers, 'warnings' => $warnings);
 628     }
 629
 630     /**
 631      * Returns description of get_users result value.
 632      *
 633      * @return external_description
 634      * @since Moodle 2.5
 635      */
 636     public static function get_users_returns() {
 637         return new external_single_structure(
 638             array('users' => new external_multiple_structure(
 639                                 self::user_description()
 640                              ),
 641                   'warnings' => new external_warnings('always set to \'key\'', 'faulty key name')
 642             )
 643         );
 644     }
 645
 646     /**
 647      * Returns description of method parameters
 648      *
 649      * @return external_function_parameters
 650      * @since Moodle 2.2
 651      * @deprecated Moodle 2.5 MDL-38030 - Please do not call this function any more.
 652      * @see core_user_external::get_users_by_field_parameters()
 653      */
 654     public static function get_users_by_id_parameters() {
 655         return new external_function_parameters(
 656                 array(
 657                     'userids' => new external_multiple_structure(new external_value(PARAM_INT, 'user ID')),
 658                 )
 659         );
 660     }
 661
 662     /**
 663      * Get user information
 664      * - This function is matching the permissions of /user/profil.php
 665      * - It is also matching some permissions from /user/editadvanced.php for the following fields:
 666      *   auth, confirmed, idnumber, lang, theme, timezone, mailformat
 667      *
 668      * @param array $userids  array of user ids
 669      * @return array An array of arrays describing users
 670      * @since Moodle 2.2
 671      * @deprecated Moodle 2.5 MDL-38030 - Please do not call this function any more.
 672      * @see core_user_external::get_users_by_field()
 673      */
 674     public static function get_users_by_id($userids) {
 675         global $CFG, $USER, $DB;
 676         require_once($CFG->dirroot . "/user/lib.php");
 677
 678         $params = self::validate_parameters(self::get_users_by_id_parameters(),
 679                 array('userids'=>$userids));
 680
 681         list($sqluserids, $params) = $DB->get_in_or_equal($userids, SQL_PARAMS_NAMED);
 682         $uselect = ', ' . context_helper::get_preload_record_columns_sql('ctx');
 683         $ujoin = "LEFT JOIN {context} ctx ON (ctx.instanceid = u.id AND ctx.contextlevel = :contextlevel)";
 684         $params['contextlevel'] = CONTEXT_USER;
 685         $usersql = "SELECT u.* $uselect
 686                       FROM {user} u $ujoin
 687                      WHERE u.id $sqluserids";
 688         $users = $DB->get_recordset_sql($usersql, $params);
 689
 690         $result = array();
 691         $hasuserupdatecap = has_capability('moodle/user:update', context_system::instance());
 692         foreach ($users as $user) {
 693             if (!empty($user->deleted)) {
 694                 continue;
 695             }
 696             context_helper::preload_from_record($user);
 697             $usercontext = context_user::instance($user->id, IGNORE_MISSING);
 698             self::validate_context($usercontext);
 699             $currentuser = ($user->id == $USER->id);
 700
 701             if ($userarray  = user_get_user_details($user)) {
 702                 //fields matching permissions from /user/editadvanced.php
 703                 if ($currentuser or $hasuserupdatecap) {
 704                     $userarray['auth']       = $user->auth;
 705                     $userarray['confirmed']  = $user->confirmed;
 706                     $userarray['idnumber']   = $user->idnumber;
 707                     $userarray['lang']       = $user->lang;
 708                     $userarray['theme']      = $user->theme;
 709                     $userarray['timezone']   = $user->timezone;
 710                     $userarray['mailformat'] = $user->mailformat;
 711                 }
 712                 $result[] = $userarray;
 713             }
 714         }
 715         $users->close();
 716
 717         return $result;
 718     }
 719
 720     /**
 721      * Returns description of method result value
 722      *
 723      * @return external_description
 724      * @since Moodle 2.2
 725      * @deprecated Moodle 2.5 MDL-38030 - Please do not call this function any more.
 726      * @see core_user_external::get_users_by_field_returns()
 727      */
 728     public static function get_users_by_id_returns() {
 729         $additionalfields = array (
 730             'enrolledcourses' => new external_multiple_structure(
 731             new external_single_structure(
 732                 array(
 733                     'id'  => new external_value(PARAM_INT, 'Id of the course'),
 734                     'fullname'  => new external_value(PARAM_RAW, 'Fullname of the course'),
 735                     'shortname' => new external_value(PARAM_RAW, 'Shortname of the course')
 736                 )
 737             ), 'Courses where the user is enrolled - limited by which courses the user is able to see', VALUE_OPTIONAL));
 738         return new external_multiple_structure(self::user_description($additionalfields));
 739     }
 740
 741     /**
 742      * Returns description of method parameters
 743      *
 744      * @return external_function_parameters
 745      * @since Moodle 2.2
 746      */
 747     public static function get_course_user_profiles_parameters() {
 748         return new external_function_parameters(
 749             array(
 750                 'userlist' => new external_multiple_structure(
 751                     new external_single_structure(
 752                         array(
 753                             'userid'    => new external_value(PARAM_INT, 'userid'),
 754                             'courseid'    => new external_value(PARAM_INT, 'courseid'),
 755                         )
 756                     )
 757                 )
 758             )
 759         );
 760     }
 761
 762     /**
 763      * Get course participant's details
 764      *
 765      * @param array $userlist  array of user ids and according course ids
 766      * @return array An array of arrays describing course participants
 767      * @since Moodle 2.2
 768      */
 769     public static function get_course_user_profiles($userlist) {
 770         global $CFG, $USER, $DB;
 771         require_once($CFG->dirroot . "/user/lib.php");
 772         $params = self::validate_parameters(self::get_course_user_profiles_parameters(), array('userlist'=>$userlist));
 773
 774         $userids = array();
 775         $courseids = array();
 776         foreach ($params['userlist'] as $value) {
 777             $userids[] = $value['userid'];
 778             $courseids[$value['userid']] = $value['courseid'];
 779         }
 780
 781         // cache all courses
 782         $courses = array();
 783         list($sqlcourseids, $params) = $DB->get_in_or_equal(array_unique($courseids), SQL_PARAMS_NAMED);
 784         $cselect = ', ' . context_helper::get_preload_record_columns_sql('ctx');
 785         $cjoin = "LEFT JOIN {context} ctx ON (ctx.instanceid = c.id AND ctx.contextlevel = :contextlevel)";
 786         $params['contextlevel'] = CONTEXT_COURSE;
 787         $coursesql = "SELECT c.* $cselect
 788                         FROM {course} c $cjoin
 789                        WHERE c.id $sqlcourseids";
 790         $rs = $DB->get_recordset_sql($coursesql, $params);
 791         foreach ($rs as $course) {
 792             // adding course contexts to cache
 793             context_helper::preload_from_record($course);
 794             // cache courses
 795             $courses[$course->id] = $course;
 796         }
 797         $rs->close();
 798
 799         list($sqluserids, $params) = $DB->get_in_or_equal($userids, SQL_PARAMS_NAMED);
 800         $uselect = ', ' . context_helper::get_preload_record_columns_sql('ctx');
 801         $ujoin = "LEFT JOIN {context} ctx ON (ctx.instanceid = u.id AND ctx.contextlevel = :contextlevel)";
 802         $params['contextlevel'] = CONTEXT_USER;
 803         $usersql = "SELECT u.* $uselect
 804                       FROM {user} u $ujoin
 805                      WHERE u.id $sqluserids";
 806         $users = $DB->get_recordset_sql($usersql, $params);
 807         $result = array();
 808         foreach ($users as $user) {
 809             if (!empty($user->deleted)) {
 810                 continue;
 811             }
 812             context_helper::preload_from_record($user);
 813             $course = $courses[$courseids[$user->id]];
 814             $context = context_course::instance($courseids[$user->id], IGNORE_MISSING);
 815             self::validate_context($context);
 816             if ($userarray = user_get_user_details($user, $course)) {
 817                 $result[] = $userarray;
 818             }
 819         }
 820
 821         $users->close();
 822
 823         return $result;
 824     }
 825
 826     /**
 827      * Returns description of method result value
 828      *
 829      * @return external_description
 830      * @since Moodle 2.2
 831      */
 832     public static function get_course_user_profiles_returns() {
 833         $additionalfields = array(
 834                     'groups' => new external_multiple_structure(
 835                         new external_single_structure(
 836                             array(
 837                                 'id'  => new external_value(PARAM_INT, 'group id'),
 838                                 'name' => new external_value(PARAM_RAW, 'group name'),
 839                                 'description' => new external_value(PARAM_RAW, 'group description'),
 840                                 'descriptionformat' => new external_format_value('description'),
 841                             )
 842                         ), 'user groups', VALUE_OPTIONAL),
 843                     'roles' => new external_multiple_structure(
 844                         new external_single_structure(
 845                             array(
 846                                 'roleid'       => new external_value(PARAM_INT, 'role id'),
 847                                 'name'         => new external_value(PARAM_RAW, 'role name'),
 848                                 'shortname'    => new external_value(PARAM_ALPHANUMEXT, 'role shortname'),
 849                                 'sortorder'    => new external_value(PARAM_INT, 'role sortorder')
 850                             )
 851                         ), 'user roles', VALUE_OPTIONAL),
 852                     'enrolledcourses' => new external_multiple_structure(
 853                         new external_single_structure(
 854                             array(
 855                                 'id'  => new external_value(PARAM_INT, 'Id of the course'),
 856                                 'fullname'  => new external_value(PARAM_RAW, 'Fullname of the course'),
 857                                 'shortname' => new external_value(PARAM_RAW, 'Shortname of the course')
 858                             )
 859                         ), 'Courses where the user is enrolled - limited by which courses the user is able to see', VALUE_OPTIONAL)
 860                     );
 861
 862         return new external_multiple_structure(self::user_description($additionalfields));
 863     }
 864
 865     /**
 866      * Create user return value description.
 867      *
 868      * @param array $additionalfields some additional field
 869      * @return single_structure_description
 870      */
 871     public static function user_description($additionalfields = array()) {
 872         $userfields = array(
 873                     'id'    => new external_value(PARAM_INT, 'ID of the user'),
 874                     'username'    => new external_value(PARAM_RAW, 'The username', VALUE_OPTIONAL),
 875                     'firstname'   => new external_value(PARAM_NOTAGS, 'The first name(s) of the user', VALUE_OPTIONAL),
 876                     'lastname'    => new external_value(PARAM_NOTAGS, 'The family name of the user', VALUE_OPTIONAL),
 877                     'fullname'    => new external_value(PARAM_NOTAGS, 'The fullname of the user'),
 878                     'email'       => new external_value(PARAM_TEXT, 'An email address - allow email as root@localhost', VALUE_OPTIONAL),
 879                     'address'     => new external_value(PARAM_TEXT, 'Postal address', VALUE_OPTIONAL),
 880                     'phone1'      => new external_value(PARAM_NOTAGS, 'Phone 1', VALUE_OPTIONAL),
 881                     'phone2'      => new external_value(PARAM_NOTAGS, 'Phone 2', VALUE_OPTIONAL),
 882                     'icq'         => new external_value(PARAM_NOTAGS, 'icq number', VALUE_OPTIONAL),
 883                     'skype'       => new external_value(PARAM_NOTAGS, 'skype id', VALUE_OPTIONAL),
 884                     'yahoo'       => new external_value(PARAM_NOTAGS, 'yahoo id', VALUE_OPTIONAL),
 885                     'aim'         => new external_value(PARAM_NOTAGS, 'aim id', VALUE_OPTIONAL),
 886                     'msn'         => new external_value(PARAM_NOTAGS, 'msn number', VALUE_OPTIONAL),
 887                     'department'  => new external_value(PARAM_TEXT, 'department', VALUE_OPTIONAL),
 888                     'institution' => new external_value(PARAM_TEXT, 'institution', VALUE_OPTIONAL),
 889                     'idnumber'    => new external_value(PARAM_RAW, 'An arbitrary ID code number perhaps from the institution', VALUE_OPTIONAL),
 890                     'interests'   => new external_value(PARAM_TEXT, 'user interests (separated by commas)', VALUE_OPTIONAL),
 891                     'firstaccess' => new external_value(PARAM_INT, 'first access to the site (0 if never)', VALUE_OPTIONAL),
 892                     'lastaccess'  => new external_value(PARAM_INT, 'last access to the site (0 if never)', VALUE_OPTIONAL),
 893                     'auth'        => new external_value(PARAM_PLUGIN, 'Auth plugins include manual, ldap, imap, etc', VALUE_OPTIONAL),
 894                     'confirmed'   => new external_value(PARAM_INT, 'Active user: 1 if confirmed, 0 otherwise', VALUE_OPTIONAL),
 895                     'lang'        => new external_value(PARAM_SAFEDIR, 'Language code such as "en", must exist on server', VALUE_OPTIONAL),
 896                     'theme'       => new external_value(PARAM_PLUGIN, 'Theme name such as "standard", must exist on server', VALUE_OPTIONAL),
 897                     'timezone'    => new external_value(PARAM_TIMEZONE, 'Timezone code such as Australia/Perth, or 99 for default', VALUE_OPTIONAL),
 898                     'mailformat'  => new external_value(PARAM_INT, 'Mail format code is 0 for plain text, 1 for HTML etc', VALUE_OPTIONAL),
 899                     'description' => new external_value(PARAM_RAW, 'User profile description', VALUE_OPTIONAL),
 900                     'descriptionformat' => new external_format_value('description', VALUE_OPTIONAL),
 901                     'city'        => new external_value(PARAM_NOTAGS, 'Home city of the user', VALUE_OPTIONAL),
 902                     'url'         => new external_value(PARAM_URL, 'URL of the user', VALUE_OPTIONAL),
 903                     'country'     => new external_value(PARAM_ALPHA, 'Home country code of the user, such as AU or CZ', VALUE_OPTIONAL),
 904                     'profileimageurlsmall' => new external_value(PARAM_URL, 'User image profile URL - small version'),
 905                     'profileimageurl' => new external_value(PARAM_URL, 'User image profile URL - big version'),
 906                     'customfields' => new external_multiple_structure(
 907                         new external_single_structure(
 908                             array(
 909                                 'type'  => new external_value(PARAM_ALPHANUMEXT, 'The type of the custom field - text field, checkbox...'),
 910                                 'value' => new external_value(PARAM_RAW, 'The value of the custom field'),
 911                                 'name' => new external_value(PARAM_RAW, 'The name of the custom field'),
 912                                 'shortname' => new external_value(PARAM_RAW, 'The shortname of the custom field - to be able to build the field class in the code'),
 913                             )
 914                         ), 'User custom fields (also known as user profile fields)', VALUE_OPTIONAL),
 915                     'preferences' => new external_multiple_structure(
 916                         new external_single_structure(
 917                             array(
 918                                 'name'  => new external_value(PARAM_ALPHANUMEXT, 'The name of the preferences'),
 919                                 'value' => new external_value(PARAM_RAW, 'The value of the custom field'),
 920                             )
 921                     ), 'Users preferences', VALUE_OPTIONAL)
 922                 );
 923         if (!empty($additionalfields)) {
 924             $userfields = array_merge($userfields, $additionalfields);
 925         }
 926         return new external_single_structure($userfields);
 927     }
 928
 929     /**
 930      * Returns description of method parameters
 931      *
 932      * @return external_function_parameters
 933      * @since Moodle 2.6
 934      */
 935     public static function add_user_private_files_parameters() {
 936         return new external_function_parameters(
 937             array(
 938                 'draftid' => new external_value(PARAM_INT, 'draft area id')
 939             )
 940         );
 941     }
 942
 943     /**
 944      * Copy files from a draft area to users private files area.
 945      *
 946      * @param int $draftid Id of a draft area containing files.
 947      * @return array An array of warnings
 948      * @since Moodle 2.6
 949      */
 950     public static function add_user_private_files($draftid) {
 951         global $CFG, $USER, $DB;
 952
 953         require_once($CFG->dirroot . "/user/lib.php");
 954         $params = self::validate_parameters(self::add_user_private_files_parameters(), array('draftid'=>$draftid));
 955
 956         if (isguestuser()) {
 957             throw new invalid_parameter_exception('Guest users cannot upload files');
 958         }
 959
 960         $context = context_user::instance($USER->id);
 961         require_capability('moodle/user:manageownfiles', $context);
 962
 963         $maxbytes = $CFG->userquota;
 964         $maxareabytes = $CFG->userquota;
 965         if (has_capability('moodle/user:ignoreuserquota', $context)) {
 966             $maxbytes = USER_CAN_IGNORE_FILE_SIZE_LIMITS;
 967             $maxareabytes = FILE_AREA_MAX_BYTES_UNLIMITED;
 968         }
 969
 970         $options = array('subdirs' => 1,
 971                          'maxbytes' => $maxbytes,
 972                          'maxfiles' => -1,
 973                          'accepted_types' => '*',
 974                          'areamaxbytes' => $maxareabytes);
 975
 976         file_save_draft_area_files($draftid, $context->id, 'user', 'private', 0, $options);
 977
 978         return null;
 979     }
 980
 981     /**
 982      * Returns description of method result value
 983      *
 984      * @return external_description
 985      * @since Moodle 2.2
 986      */
 987     public static function add_user_private_files_returns() {
 988         return null;
 989     }
 990
 991     /**
 992      * Returns description of method parameters.
 993      *
 994      * @return external_function_parameters
 995      * @since Moodle 2.6
 996      */
 997     public static function add_user_device_parameters() {
 998         return new external_function_parameters(
 999             array(
1000                 'appid'     => new external_value(PARAM_NOTAGS, 'the app id, usually something like com.moodle.moodlemobile'),
1001                 'name'      => new external_value(PARAM_NOTAGS, 'the device name, \'occam\' or \'iPhone\' etc.'),
1002                 'model'     => new external_value(PARAM_NOTAGS, 'the device model \'Nexus4\' or \'iPad1,1\' etc.'),
1003                 'platform'  => new external_value(PARAM_NOTAGS, 'the device platform \'iOS\' or \'Android\' etc.'),
1004                 'version'   => new external_value(PARAM_NOTAGS, 'the device version \'6.1.2\' or \'4.2.2\' etc.'),
1005                 'pushid'    => new external_value(PARAM_RAW, 'the device PUSH token/key/identifier/registration id'),
1006                 'uuid'      => new external_value(PARAM_RAW, 'the device UUID')
1007             )
1008         );
1009     }
1010
1011     /**
1012      * Add a user device in Moodle database (for PUSH notifications usually).
1013      *
1014      * @param string $appid The app id, usually something like com.moodle.moodlemobile.
1015      * @param string $name The device name, occam or iPhone etc.
1016      * @param string $model The device model Nexus4 or iPad1.1 etc.
1017      * @param string $platform The device platform iOs or Android etc.
1018      * @param string $version The device version 6.1.2 or 4.2.2 etc.
1019      * @param string $pushid The device PUSH token/key/identifier/registration id.
1020      * @param string $uuid The device UUID.
1021      * @return array List of possible warnings.
1022      * @since Moodle 2.6
1023      */
1024     public static function add_user_device($appid, $name, $model, $platform, $version, $pushid, $uuid) {
1025         global $CFG, $USER, $DB;
1026         require_once($CFG->dirroot . "/user/lib.php");
1027
1028         $params = self::validate_parameters(self::add_user_device_parameters(),
1029                 array('appid' => $appid,
1030                       'name' => $name,
1031                       'model' => $model,
1032                       'platform' => $platform,
1033                       'version' => $version,
1034                       'pushid' => $pushid,
1035                       'uuid' => $uuid
1036                       ));
1037
1038         $warnings = array();
1039
1040         // Prevent duplicate keys for users.
1041         if ($DB->get_record('user_devices', array('pushid' => $params['pushid'], 'userid' => $USER->id))) {
1042             $warnings['warning'][] = array(
1043                 'item' => $params['pushid'],
1044                 'warningcode' => 'existingkeyforthisuser',
1045                 'message' => 'This key is already stored for this user'
1046             );
1047             return $warnings;
1048         }
1049
1050         // The same key can't exists for the same platform.
1051         if ($DB->get_record('user_devices', array('pushid' => $params['pushid'], 'platform' => $params['platform']))) {
1052             $warnings['warning'][] = array(
1053                 'item' => $params['pushid'],
1054                 'warningcode' => 'existingkeyforplatform',
1055                 'message' => 'This key is already stored for other device using the same platform'
1056             );
1057             return $warnings;
1058         }
1059
1060         $userdevice = new stdclass;
1061         $userdevice->userid     = $USER->id;
1062         $userdevice->appid      = $params['appid'];
1063         $userdevice->name       = $params['name'];
1064         $userdevice->model      = $params['model'];
1065         $userdevice->platform   = $params['platform'];
1066         $userdevice->version    = $params['version'];
1067         $userdevice->pushid     = $params['pushid'];
1068         $userdevice->uuid       = $params['uuid'];
1069         $userdevice->timecreated  = time();
1070         $userdevice->timemodified = $userdevice->timecreated;
1071
1072         if (!$DB->insert_record('user_devices', $userdevice)) {
1073             throw new moodle_exception("There was a problem saving in the database the device with key: " . $params['pushid']);
1074         }
1075
1076         return $warnings;
1077     }
1078
1079     /**
1080      * Returns description of method result value.
1081      *
1082      * @return external_multiple_structure
1083      * @since Moodle 2.6
1084      */
1085     public static function add_user_device_returns() {
1086         return new external_multiple_structure(
1087            new external_warnings()
1088         );
1089     }
1090
1091 }
1092
1093  /**
1094  * Deprecated user external functions
1095  *
1096  * @package    core_user
1097  * @copyright  2009 Petr Skodak
1098  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
1099  * @since Moodle 2.0
1100  * @deprecated Moodle 2.2 MDL-29106 - Please do not use this class any more.
1101  * @see core_user_external
1102  */
1103 class moodle_user_external extends external_api {
1104
1105     /**
1106      * Returns description of method parameters
1107      *
1108      * @return external_function_parameters
1109      * @since Moodle 2.0
1110      * @deprecated Moodle 2.2 MDL-29106 - Please do not call this function any more.
1111      * @see core_user_external::create_users_parameters()
1112      */
1113     public static function create_users_parameters() {
1114         return core_user_external::create_users_parameters();
1115     }
1116
1117     /**
1118      * Create one or more users
1119      *
1120      * @param array $users  An array of users to create.
1121      * @return array An array of arrays
1122      * @since Moodle 2.0
1123      * @deprecated Moodle 2.2 MDL-29106 - Please do not call this function any more.
1124      * @see core_user_external::create_users()
1125      */
1126     public static function create_users($users) {
1127         return core_user_external::create_users($users);
1128     }
1129
1130    /**
1131      * Returns description of method result value
1132      *
1133      * @return external_description
1134      * @since Moodle 2.0
1135      * @deprecated Moodle 2.2 MDL-29106 - Please do not call this function any more.
1136      * @see core_user_external::create_users_returns()
1137      */
1138     public static function create_users_returns() {
1139         return core_user_external::create_users_returns();
1140     }
1141
1142
1143     /**
1144      * Returns description of method parameters
1145      *
1146      * @return external_function_parameters
1147      * @since Moodle 2.0
1148      * @deprecated Moodle 2.2 MDL-29106 - Please do not call this function any more.
1149      * @see core_user_external::delete_users_parameters()
1150      */
1151     public static function delete_users_parameters() {
1152         return core_user_external::delete_users_parameters();
1153     }
1154
1155     /**
1156      * Delete users
1157      *
1158      * @param array $userids
1159      * @return null
1160      * @since Moodle 2.0
1161      * @deprecated Moodle 2.2 MDL-29106 - Please do not call this function any more.
1162      * @see core_user_external::delete_users()
1163      */
1164     public static function delete_users($userids) {
1165         return core_user_external::delete_users($userids);
1166     }
1167
1168    /**
1169      * Returns description of method result value
1170      *
1171      * @return null
1172      * @since Moodle 2.0
1173      * @deprecated Moodle 2.2 MDL-29106 - Please do not call this function any more.
1174      * @see core_user_external::delete_users_returns()
1175      */
1176     public static function delete_users_returns() {
1177         return core_user_external::delete_users_returns();
1178     }
1179
1180
1181     /**
1182      * Returns description of method parameters
1183      *
1184      * @return external_function_parameters
1185      * @since Moodle 2.0
1186      * @deprecated Moodle 2.2 MDL-29106 - Please do not call this function any more.
1187      * @see core_user_external::update_users_parameters()
1188      */
1189     public static function update_users_parameters() {
1190         return core_user_external::update_users_parameters();
1191     }
1192
1193     /**
1194      * Update users
1195      *
1196      * @param array $users
1197      * @return null
1198      * @since Moodle 2.0
1199      * @deprecated Moodle 2.2 MDL-29106 - Please do not call this function any more.
1200      * @see core_user_external::update_users()
1201      */
1202     public static function update_users($users) {
1203         return core_user_external::update_users($users);
1204     }
1205
1206    /**
1207      * Returns description of method result value
1208      *
1209      * @return null
1210      * @since Moodle 2.0
1211      * @deprecated Moodle 2.2 MDL-29106 - Please do not call this function any more.
1212      * @see core_user_external::update_users_returns()
1213      */
1214     public static function update_users_returns() {
1215         return core_user_external::update_users_returns();
1216     }
1217
1218     /**
1219      * Returns description of method parameters
1220      *
1221      * @return external_function_parameters
1222      * @since Moodle 2.0
1223      * @deprecated Moodle 2.2 MDL-29106 - Please do not call this function any more.
1224      * @see core_user_external::get_users_by_id_parameters()
1225      */
1226     public static function get_users_by_id_parameters() {
1227         return core_user_external::get_users_by_id_parameters();
1228     }
1229
1230     /**
1231      * Get user information
1232      * - This function is matching the permissions of /user/profil.php
1233      * - It is also matching some permissions from /user/editadvanced.php for the following fields:
1234      *   auth, confirmed, idnumber, lang, theme, timezone, mailformat
1235      *
1236      * @param array $userids  array of user ids
1237      * @return array An array of arrays describing users
1238      * @since Moodle 2.0
1239      * @deprecated Moodle 2.2 MDL-29106 - Please do not call this function any more.
1240      * @see core_user_external::get_users_by_id()
1241      */
1242     public static function get_users_by_id($userids) {
1243         return core_user_external::get_users_by_id($userids);
1244     }
1245
1246     /**
1247      * Returns description of method result value
1248      *
1249      * @return external_description
1250      * @since Moodle 2.0
1251      * @deprecated Moodle 2.2 MDL-29106 - Please do not call this function any more.
1252      * @see core_user_external::get_users_by_id_returns()
1253      */
1254     public static function get_users_by_id_returns() {
1255         return core_user_external::get_users_by_id_returns();
1256     }
1257     /**
1258      * Returns description of method parameters
1259      *
1260      * @return external_function_parameters
1261      * @since Moodle 2.1
1262      * @deprecated Moodle 2.2 MDL-29106 - Please do not call this function any more.
1263      * @see core_user_external::get_course_user_profiles_parameters()
1264      */
1265     public static function get_course_participants_by_id_parameters() {
1266         return core_user_external::get_course_user_profiles_parameters();
1267     }
1268
1269     /**
1270      * Get course participant's details
1271      *
1272      * @param array $userlist  array of user ids and according course ids
1273      * @return array An array of arrays describing course participants
1274      * @since Moodle 2.1
1275      * @deprecated Moodle 2.2 MDL-29106 - Please do not call this function any more.
1276      * @see core_user_external::get_course_user_profiles()
1277      */
1278     public static function get_course_participants_by_id($userlist) {
1279         return core_user_external::get_course_user_profiles($userlist);
1280     }
1281
1282     /**
1283      * Returns description of method result value
1284      *
1285      * @return external_description
1286      * @since Moodle 2.1
1287      * @deprecated Moodle 2.2 MDL-29106 - Please do not call this function any more.
1288      * @see core_user_external::get_course_user_profiles_returns()
1289      */
1290     public static function get_course_participants_by_id_returns() {
1291         return core_user_external::get_course_user_profiles_returns();
1292     }
1293
1294     /**
1295      * Returns description of method parameters
1296      *
1297      * @return external_function_parameters
1298      * @since Moodle 2.1
1299      * @deprecated Moodle 2.2 MDL-29106 - Please do not call this function any more.
1300      * @see core_enrol_external::get_enrolled_users_parameters()
1301      */
1302     public static function get_users_by_courseid_parameters() {
1303         global $CFG;
1304         require_once($CFG->dirroot . '/enrol/externallib.php');
1305         return core_enrol_external::get_enrolled_users_parameters();
1306     }
1307
1308     /**
1309      * Get course participants details
1310      *
1311      * @param int $courseid  course id
1312      * @param array $options options {
1313      *                                'name' => option name
1314      *                                'value' => option value
1315      *                               }
1316      * @return array An array of users
1317      * @since Moodle 2.1
1318      * @deprecated Moodle 2.2 MDL-29106 - Please do not call this function any more.
1319      * @see core_enrol_external::get_enrolled_users()
1320      */
1321     public static function get_users_by_courseid($courseid, $options) {
1322         global $CFG;
1323         require_once($CFG->dirroot . '/enrol/externallib.php');
1324         return core_enrol_external::get_enrolled_users($courseid, $options);
1325     }
1326     /**
1327      * Returns description of method result value
1328      *
1329      * @return external_description
1330      * @since Moodle 2.1
1331      * @deprecated Moodle 2.2 MDL-29106 - Please do not call this function any more.
1332      * @see core_enrol_external::get_enrolled_users_returns()
1333      */
1334     public static function get_users_by_courseid_returns() {
1335         global $CFG;
1336         require_once($CFG->dirroot . '/enrol/externallib.php');
1337         return core_enrol_external::get_enrolled_users_returns();
1338     }
1339 }