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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Framework mapper.
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*
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* @package tool_lpmigrate
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* @copyright 2016 Frédéric Massart - FMCorz.net
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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namespace tool_lpmigrate;
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defined('MOODLE_INTERNAL') || die();
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use core_competency\api;
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/**
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* Framework mapper class.
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*
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* @package tool_lpmigrate
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* @copyright 2016 Frédéric Massart - FMCorz.net
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class framework_mapper {
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/** @var int The ID of the framework we're migrating from. */
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protected $from;
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/** @var int The ID of the framework we're migrating to. */
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protected $to;
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/** @var array The collection of objects at origin. */
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protected $collectionfrom;
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/** @var array The collection of objects at destination. */
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protected $collectionto;
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/** @var array Mappings. */
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protected $mappings = array();
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/**
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* Constructor.
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* @param int $from Framework ID from.
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* @param int $to Framework ID to.
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*/
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public function __construct($from, $to) {
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$this->from = $from;
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$this->to = $to;
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}
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/**
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* Add a mapping.
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* @param int $idfrom From ID.
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* @param int $idto To ID.
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*/
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public function add_mapping($idfrom, $idto) {
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$this->mappings[$idfrom] = $idto;
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}
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/**
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* Auto map the frameworks.
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* @return void
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*/
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public function automap() {
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$map = array();
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// Shallow copy.
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$collectionfrom = $this->get_collection_from();
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$collectionto = $this->get_collection_to();
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// Find mappings.
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foreach ($collectionfrom as $keyfrom => $compfrom) {
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foreach ($collectionto as $keyto => $compto) {
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if ($compfrom->get('idnumber') == $compto->get('idnumber')) {
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$map[$compfrom->get('id')] = $compto->get('id');
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unset($collectionfrom[$keyfrom]);
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unset($collectionto[$keyto]);
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break;
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}
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}
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}
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$this->mappings = $map;
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}
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/**
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* Get all IDs at origin.
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* @return array
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*/
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public function get_all_from() {
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return array_keys($this->get_collection_from());
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}
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/**
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* Get all IDs at destination.
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* @return array
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*/
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public function get_all_to() {
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return array_keys($this->get_collection_to());
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}
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/**
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* Get the collection at origin.
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* @return array
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*/
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protected function get_collection_from() {
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if ($this->collectionfrom === null) {
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$this->collectionfrom = api::search_competencies('', $this->from);
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}
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return $this->collectionfrom;
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}
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/**
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* Get the collection at destination.
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* @return array
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*/
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protected function get_collection_to() {
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if ($this->collectionto === null) {
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$this->collectionto = api::search_competencies('', $this->to);
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}
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return $this->collectionto;
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}
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/**
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* Get the defined mappings.
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* @return array
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*/
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public function get_mappings() {
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return $this->mappings;
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}
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/**
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* Get the IDs of the objects at origin which do not have a mapping at destination.
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* @return array
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*/
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public function get_unmapped_from() {
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return array_keys(array_diff_key($this->get_collection_from(), $this->mappings));
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}
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/**
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* Get the origin objects with missing mappings.
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* @return array
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*/
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public function get_unmapped_objects_from() {
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return array_diff_key($this->get_collection_from(), $this->mappings);
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}
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/**
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* Get the IDs of the objects at destination which do not have a mapping at origin.
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* @return array
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*/
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public function get_unmapped_to() {
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return array_keys(array_diff_key($this->get_collection_to(), array_flip($this->mappings)));
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}
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/**
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* Get the destination objects with missing mappings.
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* @return array
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*/
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public function get_unmapped_objects_to() {
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return array_diff_key($this->get_collection_to(), array_flip($this->mappings));
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}
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/**
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* Whether some mappings were set.
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* @return bool
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*/
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public function has_mappings() {
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return !empty($this->mappings);
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}
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/**
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* Reset the mappings.
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* @return void
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*/
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public function reset_mappings() {
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$this->mappings = array();
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}
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}
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