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MDL-80063 roles: implement roles datasource for custom reporting.
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Comprised of existing context, role & user entities to provide all
report data.
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paulholden committed Mar 12, 2024
1 parent 38a3310 commit 54a51e8
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Showing 5 changed files with 541 additions and 1 deletion.
124 changes: 124 additions & 0 deletions admin/roles/classes/reportbuilder/datasource/roles.php
@@ -0,0 +1,124 @@
<?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/>.

declare(strict_types=1);

namespace core_role\reportbuilder\datasource;

use core\reportbuilder\local\entities\context;
use core_reportbuilder\datasource;
use core_reportbuilder\local\entities\user;
use core_role\reportbuilder\local\entities\{role, role_assignment};

/**
* Roles datasource
*
* @package core_role
* @copyright 2024 Paul Holden <paulh@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class roles extends datasource {

/**
* Return user friendly name of the report source
*
* @return string
*/
public static function get_name(): string {
return get_string('roles', 'core_role');
}

/**
* Initialise report
*/
protected function initialise(): void {
$contextentity = new context();
$contextalias = $contextentity->get_table_alias('context');

$roleentity = new role();
$rolealias = $roleentity->get_table_alias('role');

// Role table.
$this->add_entity($roleentity->set_table_alias('context', $contextalias));
$this->set_main_table('role', $rolealias);

// Join role assignments.
$roleassignmententity = new role_assignment();
$roleassignmentalias = $roleassignmententity->get_table_alias('role_assignments');
$this->add_entity($roleassignmententity);
$this->add_join("JOIN {role_assignments} {$roleassignmentalias} ON {$roleassignmentalias}.roleid = {$rolealias}.id");

// Join context.
$this->add_entity($contextentity);
$this->add_join("LEFT JOIN {context} {$contextalias} ON {$contextalias}.id = {$roleassignmentalias}.contextid");

// Join user.
$userentity = new user();
$useralias = $userentity->get_table_alias('user');
$this->add_entity($userentity
->add_join("LEFT JOIN {user} {$useralias} ON {$useralias}.id = {$roleassignmentalias}.userid"));

$this->add_all_from_entities();
}

/**
* Return the columns that will be added to the report upon creation
*
* @return string[]
*/
public function get_default_columns(): array {
return [
'context:link',
'role:originalname',
'user:fullnamewithlink',
];
}

/**
* Return the column sorting that will be added to the report upon creation
*
* @return int[]
*/
public function get_default_column_sorting(): array {
return [
'context:link' => SORT_ASC,
'role:originalname' => SORT_ASC,
'user:fullnamewithlink' => SORT_ASC,
];
}

/**
* Return the filters that will be added to the report upon creation
*
* @return string[]
*/
public function get_default_filters(): array {
return [
'context:level',
'role:name',
'user:fullname',
];
}

/**
* Return the conditions that will be added to the report upon creation
*
* @return string[]
*/
public function get_default_conditions(): array {
return [];
}
}
34 changes: 33 additions & 1 deletion admin/roles/classes/reportbuilder/local/entities/role.php
Expand Up @@ -14,6 +14,8 @@
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.

declare(strict_types=1);

namespace core_role\reportbuilder\local\entities;

use context;
Expand Down Expand Up @@ -97,7 +99,13 @@ protected function get_all_columns(): array {
->set_type(column::TYPE_TEXT)
->add_fields("{$rolealias}.name, {$rolealias}.shortname, {$rolealias}.id, {$contextalias}.id AS contextid")
->add_fields(context_helper::get_preload_record_columns_sql($contextalias))
->set_is_sortable(true, ["CASE WHEN {$rolealias}.name = '' THEN {$rolealias}.shortname ELSE {$rolealias}.name END"])
// The sorting is on name, unless empty (determined by single space - thanks Oracle) then we use shortname.
->set_is_sortable(true, [
"CASE WHEN " . $DB->sql_concat("{$rolealias}.name", "' '") . " = ' '
THEN {$rolealias}.shortname
ELSE {$rolealias}.name
END",
])
->set_callback(static function($name, stdClass $role): string {
if ($name === null) {
return '';
Expand All @@ -109,6 +117,30 @@ protected function get_all_columns(): array {
return role_get_name($role, $context, ROLENAME_BOTH);
});

// Original name column.
$columns[] = (new column(
'originalname',
new lang_string('roleoriginalname', 'core_role'),
$this->get_entity_name()
))
->add_joins($this->get_joins())
->set_type(column::TYPE_TEXT)
->add_fields("{$rolealias}.name, {$rolealias}.shortname")
// The sorting is on name, unless empty (determined by single space - thanks Oracle) then we use shortname.
->set_is_sortable(true, [
"CASE WHEN " . $DB->sql_concat("{$rolealias}.name", "' '") . " = ' '
THEN {$rolealias}.shortname
ELSE {$rolealias}.name
END",
])
->set_callback(static function($name, stdClass $role): string {
if ($name === null) {
return '';
}

return role_get_name($role, null, ROLENAME_ORIGINAL);
});

// Short name column.
$columns[] = (new column(
'shortname',
Expand Down
143 changes: 143 additions & 0 deletions admin/roles/classes/reportbuilder/local/entities/role_assignment.php
@@ -0,0 +1,143 @@
<?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/>.

declare(strict_types=1);

namespace core_role\reportbuilder\local\entities;

use lang_string;
use core_reportbuilder\local\entities\base;
use core_reportbuilder\local\filters\date;
use core_reportbuilder\local\helpers\format;
use core_reportbuilder\local\report\{column, filter};

/**
* Role assignment entity
*
* @package core_role
* @copyright 2024 Paul Holden <paulh@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class role_assignment extends base {

/**
* Database tables that this entity uses
*
* @return string[]
*/
protected function get_default_tables(): array {
return [
'role_assignments',
];
}

/**
* The default title for this entity
*
* @return lang_string
*/
protected function get_default_entity_title(): lang_string {
return new lang_string('roleassignment', 'core_role');
}

/**
* Initialise the entity
*
* @return base
*/
public function initialise(): base {
$columns = $this->get_all_columns();
foreach ($columns as $column) {
$this->add_column($column);
}

// All the filters defined by the entity can also be used as conditions.
$filters = $this->get_all_filters();
foreach ($filters as $filter) {
$this
->add_filter($filter)
->add_condition($filter);
}

return $this;
}

/**
* Returns list of all available columns
*
* @return column[]
*/
protected function get_all_columns(): array {
$raalias = $this->get_table_alias('role_assignments');

// Time modified column.
$columns[] = (new column(
'timemodified',
new lang_string('timemodified', 'core_reportbuilder'),
$this->get_entity_name()
))
->add_joins($this->get_joins())
->set_type(column::TYPE_TIMESTAMP)
->add_field("{$raalias}.timemodified")
->set_is_sortable(true)
->set_callback([format::class, 'userdate']);

// Component column.
$columns[] = (new column(
'component',
new lang_string('plugin'),
$this->get_entity_name()
))
->add_joins($this->get_joins())
->set_type(column::TYPE_TEXT)
->add_field("{$raalias}.component")
->set_is_sortable(true);

// Item ID column.
$columns[] = (new column(
'itemid',
new lang_string('pluginitemid'),
$this->get_entity_name()
))
->add_joins($this->get_joins())
->set_type(column::TYPE_INTEGER)
->add_field("{$raalias}.itemid")
->set_is_sortable(true);

return $columns;
}

/**
* Return list of all available filters
*
* @return filter[]
*/
protected function get_all_filters(): array {
$raalias = $this->get_table_alias('role_assignments');

// Time modified filter.
$filters[] = (new filter(
date::class,
'timemodified',
new lang_string('timemodified', 'core_reportbuilder'),
$this->get_entity_name(),
"{$raalias}.timemodified"
))
->add_joins($this->get_joins());

return $filters;
}
}

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