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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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declare(strict_types=1);
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namespace core_reportbuilder\external\systemreports;
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use core_external\external_api;
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use core_external\external_multiple_structure;
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use core_external\external_single_structure;
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use core_external\external_function_parameters;
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use core_external\external_value;
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use core_reportbuilder\report_access_exception;
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use core_reportbuilder\system_report_factory;
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/**
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* External method for validating access to a system report
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*
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* @package core_reportbuilder
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* @copyright 2023 Paul Holden <paulh@moodle.com>
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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 can_view extends external_api {
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/**
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* External method parameters
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*
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* @return external_function_parameters
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*/
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public static function execute_parameters(): external_function_parameters {
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return new external_function_parameters([
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'source' => new external_value(PARAM_RAW, 'Report class path'),
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'context' => self::get_context_parameters(),
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'component' => new external_value(PARAM_COMPONENT, 'Report component', VALUE_DEFAULT, ''),
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'area' => new external_value(PARAM_AREA, 'Report area', VALUE_DEFAULT, ''),
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'itemid' => new external_value(PARAM_INT, 'Report item ID', VALUE_DEFAULT, 0),
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'parameters' => new external_multiple_structure(
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new external_single_structure([
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'name' => new external_value(PARAM_RAW),
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'value' => new external_value(PARAM_RAW),
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]),
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'Report parameters', VALUE_DEFAULT, []
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),
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]);
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}
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/**
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* External method execution
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*
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* @param string $source
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* @param array $context
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* @param string $component
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* @param string $area
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* @param int $itemid
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* @param array[] $parameters
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* @return bool
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*/
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public static function execute(
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string $source,
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array $context,
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string $component = '',
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string $area = '',
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int $itemid = 0,
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array $parameters = [],
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): bool {
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[
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'source' => $source,
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'context' => $context,
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'component' => $component,
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'area' => $area,
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'itemid' => $itemid,
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'parameters' => $parameters,
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] = self::validate_parameters(self::execute_parameters(), [
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'source' => $source,
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'context' => $context,
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'component' => $component,
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'area' => $area,
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'itemid' => $itemid,
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'parameters' => $parameters,
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]);
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$context = self::get_context_from_params($context);
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self::validate_context($context);
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// Flatten the report parameters.
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$parameters = array_combine(array_column($parameters, 'name'), array_column($parameters, 'value'));
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try {
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$report = system_report_factory::create($source, $context, $component, $area, $itemid, $parameters);
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$report->require_can_view();
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} catch (report_access_exception $exception) {
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return false;
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}
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return true;
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}
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/**
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* External method return value
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*
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* @return external_value
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*/
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public static function execute_returns(): external_value {
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return new external_value(PARAM_BOOL);
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}
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}
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