class.ilIndividualAssessmentMembers.php

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<?php
require_once 'Services/User/classes/class.ilObjUser.php';
require_once 'Modules/IndividualAssessment/classes/class.ilObjIndividualAssessment.php';
require_once 'Services/Tracking/classes/class.ilLPStatus.php';
 
class ilIndividualAssessmentMembers implements Iterator, Countable {
        protected $member_records = array();
        protected $position = 0;
        protected $iass;
 
        const FIELD_FIRSTNAME = 'firstname';
        const FIELD_LASTNAME = 'lastname';
        const FIELD_LOGIN = 'login';
        const FIELD_USR_ID = 'usr_id';
        const FIELD_LEARNING_PROGRESS = 'learning_progress';
        const FIELD_EXAMINER_ID = 'examiner_id';
        const FIELD_EXAMINER_FIRSTNAME = 'examiner_firstname';
        const FIELD_EXAMINER_LASTNAME = 'examiner_lastname';
        const FIELD_RECORD = 'record';
        const FIELD_INTERNAL_NOTE = 'internal_note';
        const FIELD_NOTIFY = 'notify';
        const FIELD_FINALIZED = 'finalized';
        const FIELD_NOTIFICATION_TS = 'notification_ts';
 
        const LP_NOT_ATTEMPTED = ilLPStatus::LP_STATUS_NOT_ATTEMPTED_NUM;
        const LP_IN_PROGRESS = ilLPStatus::LP_STATUS_IN_PROGRESS_NUM;
        const LP_COMPLETED = ilLPStatus::LP_STATUS_COMPLETED_NUM;
        const LP_FAILED = ilLPStatus::LP_STATUS_FAILED_NUM;
 
        public function __construct(ilObjIndividualAssessment $iass) {
                $this->iass = $iass;
        }
 
        public function count() {
                return count($this->member_records);
        }
 
        public function current() {
                return current($this->member_records);
        }
 
        public function key() {
                return key($this->member_records);
        }
 
        public function next() {
                $this->position++;
                next($this->member_records);
        }
 
        public function rewind() {
                $this->position = 0;
                reset($this->member_records);
        }
 
        public function valid() {
                return $this->position < count($this->member_records);
        }
 
        public function referencedObject() {
                return $this->iass;
        }
 
        public function recordOK(array $record) {
                if(isset($record[self::FIELD_USR_ID])) {
                        if(!$this->userExists($record[self::FIELD_USR_ID])
                                || $this->userAllreadyMemberByUsrId($record[self::FIELD_USR_ID])) {
                                return false;
                        }
                }
                if(!in_array($record[self::FIELD_LEARNING_PROGRESS],
                        array(self::LP_NOT_ATTEMPTED, self::LP_FAILED, self::LP_COMPLETED, self::LP_IN_PROGRESS))) {
                        return false;
                }
                return true;
        }
 
        public function userAllreadyMemberByUsrId($usr_id) {
                return isset($this->member_records[$usr_id]);
        }
 
        public function userAllreadyMember(ilObjUser $usr) {
                return $this->userAllreadyMemberByUsrId($usr->getId());
        }
 
        protected function userExists($usr_id) {
                return ilObjUser::_exists($usr_id,false,'usr');
        }
 
        public function withAdditionalRecord(array $record) {
                if($this->recordOK($record)) {
                        $clone = clone $this;
                        $clone->member_records[$record[self::FIELD_USR_ID]] = $record;
                        return $clone;
                }
                throw new ilIndividualAssessmentException('illdefined record');
        }
 
        public function withAdditionalUser(ilObjUser $usr) {
                if(!$this->userAllreadyMember($usr)) {
                        $clone = clone $this;
                        $clone->member_records[$usr->getId()] = $this->buildNewRecordOfUser($usr);
                        return $clone;
                }
                throw new ilIndividualAssessmentException('User allready member');
        }
 
        protected function buildNewRecordOfUser(ilObjUser $usr) {
                return array(
                          self::FIELD_USR_ID                            => $usr->getId()
                        , self::FIELD_RECORD                            => $this->iass->getSettings()->recordTemplate()
                        , self::FIELD_NOTIFY                            => 0
                        , self::FIELD_FIRSTNAME                         => $usr->getFirstname()
                        , self::FIELD_LASTNAME                          => $usr->getLastname()
                        , self::FIELD_LOGIN                                     => $usr->getLogin()
                        , self::FIELD_LEARNING_PROGRESS         => self::LP_NOT_ATTEMPTED
                        , self::FIELD_EXAMINER_ID                       => null
                        , self::FIELD_EXAMINER_FIRSTNAME        => null
                        , self::FIELD_EXAMINER_LASTNAME         => null
                        , self::FIELD_INTERNAL_NOTE                     => null
                        , self::FIELD_FINALIZED                         => 0
                        );
        }
 
        public function withoutPresentUser(ilObjUser $usr) {
                $usr_id = $usr->getId();
                if(isset($this->member_records[$usr_id]) && (string)$this->member_records[$usr_id][self::FIELD_FINALIZED] !== "1") {
                        $clone = clone $this;
                        unset($clone->member_records[$usr->getId()]);
                        return $clone;
                }
                throw new ilIndividualAssessmentException('User not member or allready finished');
        }
 
 
        public function membersIds() {
                return array_keys($this->member_records);
        }
        
        public function updateStorageAndRBAC(ilIndividualAssessmentMembersStorage $storage, IndividualAssessmentAccessHandler $access_handler) {
                $current = $storage->loadMembers($this->referencedObject());
                $iass = $this->referencedObject();
                foreach($this as $usr_id => $record) {
                        if(!$current->userAllreadyMemberByUsrId($usr_id)) {
                                $storage->insertMembersRecord($this->referencedObject(),$record);
                                $access_handler->assignUserToMemberRole(new ilObjUser($usr_id),$iass);
                        }
                }
                foreach($current as $usr_id => $record) {
                        if(!$this->userAllreadyMemberByUsrId($usr_id)) {
                                $storage->removeMembersRecord($this->referencedObject(),$record);
                                $access_handler->deassignUserFromMemberRole(new ilObjUser($usr_id),$iass);
                        }
                }
        }
}