/enrol/paypal/classes/privacy/provider.php
PHP | 286 lines | 184 code | 36 blank | 66 comment | 15 complexity | 9464ce001ed3e3515a197b0bffe8e895 MD5 | raw file
- <?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/>.
- /**
- * Privacy Subsystem implementation for enrol_paypal.
- *
- * @package enrol_paypal
- * @category privacy
- * @copyright 2018 Shamim Rezaie <shamim@moodle.com>
- * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- */
- namespace enrol_paypal\privacy;
- defined('MOODLE_INTERNAL') || die();
- use core_privacy\local\metadata\collection;
- use core_privacy\local\request\approved_contextlist;
- use core_privacy\local\request\contextlist;
- use core_privacy\local\request\helper;
- use core_privacy\local\request\writer;
- /**
- * Privacy Subsystem implementation for enrol_paypal.
- *
- * @copyright 2018 Shamim Rezaie <shamim@moodle.com>
- * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- */
- class provider implements
- \core_privacy\local\metadata\provider,
- \core_privacy\local\request\plugin\provider {
- /**
- * Returns meta data about this system.
- *
- * @param collection $collection The initialised collection to add items to.
- * @return collection A listing of user data stored through this system.
- */
- public static function get_metadata(collection $collection) : collection {
- $collection->add_external_location_link(
- 'paypal.com',
- [
- 'os0' => 'privacy:metadata:enrol_paypal:paypal_com:os0',
- 'custom' => 'privacy:metadata:enrol_paypal:paypal_com:custom',
- 'first_name' => 'privacy:metadata:enrol_paypal:paypal_com:first_name',
- 'last_name' => 'privacy:metadata:enrol_paypal:paypal_com:last_name',
- 'address' => 'privacy:metadata:enrol_paypal:paypal_com:address',
- 'city' => 'privacy:metadata:enrol_paypal:paypal_com:city',
- 'email' => 'privacy:metadata:enrol_paypal:paypal_com:email',
- 'country' => 'privacy:metadata:enrol_paypal:paypal_com:country',
- ],
- 'privacy:metadata:enrol_paypal:paypal_com'
- );
- // The enrol_paypal has a DB table that contains user data.
- $collection->add_database_table(
- 'enrol_paypal',
- [
- 'business' => 'privacy:metadata:enrol_paypal:enrol_paypal:business',
- 'receiver_email' => 'privacy:metadata:enrol_paypal:enrol_paypal:receiver_email',
- 'receiver_id' => 'privacy:metadata:enrol_paypal:enrol_paypal:receiver_id',
- 'item_name' => 'privacy:metadata:enrol_paypal:enrol_paypal:item_name',
- 'courseid' => 'privacy:metadata:enrol_paypal:enrol_paypal:courseid',
- 'userid' => 'privacy:metadata:enrol_paypal:enrol_paypal:userid',
- 'instanceid' => 'privacy:metadata:enrol_paypal:enrol_paypal:instanceid',
- 'memo' => 'privacy:metadata:enrol_paypal:enrol_paypal:memo',
- 'tax' => 'privacy:metadata:enrol_paypal:enrol_paypal:tax',
- 'option_selection1_x' => 'privacy:metadata:enrol_paypal:enrol_paypal:option_selection1_x',
- 'payment_status' => 'privacy:metadata:enrol_paypal:enrol_paypal:payment_status',
- 'pending_reason' => 'privacy:metadata:enrol_paypal:enrol_paypal:pending_reason',
- 'reason_code' => 'privacy:metadata:enrol_paypal:enrol_paypal:reason_code',
- 'txn_id' => 'privacy:metadata:enrol_paypal:enrol_paypal:txn_id',
- 'parent_txn_id' => 'privacy:metadata:enrol_paypal:enrol_paypal:parent_txn_id',
- 'payment_type' => 'privacy:metadata:enrol_paypal:enrol_paypal:payment_type',
- 'timeupdated' => 'privacy:metadata:enrol_paypal:enrol_paypal:timeupdated'
- ],
- 'privacy:metadata:enrol_paypal:enrol_paypal'
- );
- return $collection;
- }
- /**
- * Get the list of contexts that contain user information for the specified user.
- *
- * @param int $userid The user to search.
- * @return contextlist The contextlist containing the list of contexts used in this plugin.
- */
- public static function get_contexts_for_userid(int $userid) : contextlist {
- $contextlist = new contextlist();
- // Values of ep.receiver_email and ep.business are already normalised to lowercase characters by PayPal,
- // therefore there is no need to use LOWER() on them in the following query.
- $sql = "SELECT ctx.id
- FROM {enrol_paypal} ep
- JOIN {enrol} e ON ep.instanceid = e.id
- JOIN {context} ctx ON e.courseid = ctx.instanceid AND ctx.contextlevel = :contextcourse
- LEFT JOIN {user} u ON u.id = :emailuserid AND (
- LOWER(u.email) = ep.receiver_email
- OR
- LOWER(u.email) = ep.business
- )
- WHERE ep.userid = :userid
- OR u.id IS NOT NULL";
- $params = [
- 'contextcourse' => CONTEXT_COURSE,
- 'userid' => $userid,
- 'emailuserid' => $userid,
- ];
- $contextlist->add_from_sql($sql, $params);
- return $contextlist;
- }
- /**
- * Export all user data for the specified user, in the specified contexts.
- *
- * @param approved_contextlist $contextlist The approved contexts to export information for.
- */
- public static function export_user_data(approved_contextlist $contextlist) {
- global $DB;
- if (empty($contextlist->count())) {
- return;
- }
- $user = $contextlist->get_user();
- list($contextsql, $contextparams) = $DB->get_in_or_equal($contextlist->get_contextids(), SQL_PARAMS_NAMED);
- // Values of ep.receiver_email and ep.business are already normalised to lowercase characters by PayPal,
- // therefore there is no need to use LOWER() on them in the following query.
- $sql = "SELECT ep.*
- FROM {enrol_paypal} ep
- JOIN {enrol} e ON ep.instanceid = e.id
- JOIN {context} ctx ON e.courseid = ctx.instanceid AND ctx.contextlevel = :contextcourse
- LEFT JOIN {user} u ON u.id = :emailuserid AND (
- LOWER(u.email) = ep.receiver_email
- OR
- LOWER(u.email) = ep.business
- )
- WHERE ctx.id {$contextsql}
- AND (ep.userid = :userid
- OR u.id IS NOT NULL)
- ORDER BY e.courseid";
- $params = [
- 'contextcourse' => CONTEXT_COURSE,
- 'userid' => $user->id,
- 'emailuserid' => $user->id,
- ];
- $params += $contextparams;
- // Reference to the course seen in the last iteration of the loop. By comparing this with the current record, and
- // because we know the results are ordered, we know when we've moved to the PayPal transactions for a new course
- // and therefore when we can export the complete data for the last course.
- $lastcourseid = null;
- $strtransactions = get_string('transactions', 'enrol_paypal');
- $transactions = [];
- $paypalrecords = $DB->get_recordset_sql($sql, $params);
- foreach ($paypalrecords as $paypalrecord) {
- if ($lastcourseid != $paypalrecord->courseid) {
- if (!empty($transactions)) {
- $coursecontext = \context_course::instance($paypalrecord->courseid);
- writer::with_context($coursecontext)->export_data(
- [$strtransactions],
- (object) ['transactions' => $transactions]
- );
- }
- $transactions = [];
- }
- $transaction = (object) [
- 'receiver_id' => $paypalrecord->receiver_id,
- 'item_name' => $paypalrecord->item_name,
- 'userid' => $paypalrecord->userid,
- 'memo' => $paypalrecord->memo,
- 'tax' => $paypalrecord->tax,
- 'option_name1' => $paypalrecord->option_name1,
- 'option_selection1_x' => $paypalrecord->option_selection1_x,
- 'option_name2' => $paypalrecord->option_name2,
- 'option_selection2_x' => $paypalrecord->option_selection2_x,
- 'payment_status' => $paypalrecord->payment_status,
- 'pending_reason' => $paypalrecord->pending_reason,
- 'reason_code' => $paypalrecord->reason_code,
- 'txn_id' => $paypalrecord->txn_id,
- 'parent_txn_id' => $paypalrecord->parent_txn_id,
- 'payment_type' => $paypalrecord->payment_type,
- 'timeupdated' => \core_privacy\local\request\transform::datetime($paypalrecord->timeupdated),
- ];
- if ($paypalrecord->userid == $user->id) {
- $transaction->userid = $paypalrecord->userid;
- }
- if ($paypalrecord->business == \core_text::strtolower($user->email)) {
- $transaction->business = $paypalrecord->business;
- }
- if ($paypalrecord->receiver_email == \core_text::strtolower($user->email)) {
- $transaction->receiver_email = $paypalrecord->receiver_email;
- }
- $transactions[] = $paypalrecord;
- $lastcourseid = $paypalrecord->courseid;
- }
- $paypalrecords->close();
- // The data for the last activity won't have been written yet, so make sure to write it now!
- if (!empty($transactions)) {
- $coursecontext = \context_course::instance($paypalrecord->courseid);
- writer::with_context($coursecontext)->export_data(
- [$strtransactions],
- (object) ['transactions' => $transactions]
- );
- }
- }
- /**
- * Delete all data for all users in the specified context.
- *
- * @param \context $context The specific context to delete data for.
- */
- public static function delete_data_for_all_users_in_context(\context $context) {
- global $DB;
- if (!$context instanceof \context_course) {
- return;
- }
- $DB->delete_records('enrol_paypal', array('courseid' => $context->instanceid));
- }
- /**
- * Delete all user data for the specified user, in the specified contexts.
- *
- * @param approved_contextlist $contextlist The approved contexts and user information to delete information for.
- */
- public static function delete_data_for_user(approved_contextlist $contextlist) {
- global $DB;
- if (empty($contextlist->count())) {
- return;
- }
- $user = $contextlist->get_user();
- $contexts = $contextlist->get_contexts();
- $courseids = [];
- foreach ($contexts as $context) {
- if ($context instanceof \context_course) {
- $courseids[] = $context->instanceid;
- }
- }
- list($insql, $inparams) = $DB->get_in_or_equal($courseids, SQL_PARAMS_NAMED);
- $select = "userid = :userid AND courseid $insql";
- $params = $inparams + ['userid' => $user->id];
- $DB->delete_records_select('enrol_paypal', $select, $params);
- // We do not want to delete the payment record when the user is just the receiver of payment.
- // In that case, we just delete the receiver's info from the transaction record.
- $select = "business = :business AND courseid $insql";
- $params = $inparams + ['business' => \core_text::strtolower($user->email)];
- $DB->set_field_select('enrol_paypal', 'business', '', $select, $params);
- $select = "receiver_email = :receiver_email AND courseid $insql";
- $params = $inparams + ['receiver_email' => \core_text::strtolower($user->email)];
- $DB->set_field_select('enrol_paypal', 'receiver_email', '', $select, $params);
- }
- }