midcom_helper_reflector_tree::get_root_classes() - Code Metrics - Inspection of "Misc cleanups & simplifications" - flack/openpsa - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( 1857dc...a686c4 )

by Andreas

created 2021-04-26 14:01 UTC

midcom_helper_reflector_tree::get_root_classes() A

↳ Parent: midcom_helper_reflector_tree

Complexity

Conditions	2
Paths	2

Size

Total Lines	7
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	4
CRAP Score	2.032

Importance

Changes

Metric	Value
cc	2
eloc	4
nc	2
nop	0
dl	0
loc	7
ccs	4
cts	5
cp	0.8
crap	2.032
rs	10
c	0
b	0
f	0

<?php
/**
 * @package midcom.helper.reflector
 * @author The Midgard Project, http://www.midgard-project.org
 * @copyright The Midgard Project, http://www.midgard-project.org
 * @license http://www.gnu.org/licenses/lgpl.html GNU Lesser General Public License
 */

/**
 * The Grand Unified Reflector, Tree information
 *
 * @package midcom.helper.reflector
 */
class midcom_helper_reflector_tree extends midcom_helper_reflector
{
    /**
     * Creates a QB instance for root objects
     */
    public function _root_objects_qb()
    {
        $schema_type = $this->mgdschema_class;

        $qb = $this->_get_type_qb($schema_type, false);
        if (!$qb) {
            debug_add("Could not get QB for type '{$schema_type}'", MIDCOM_LOG_ERROR);
            return false;
        }

        // Figure out constraint to use to get root level objects
        if ($upfield = midgard_object_class::get_property_up($schema_type)) {
            $uptype = $this->_mgd_reflector->get_midgard_type($upfield);
            switch ($uptype) {
                case MGD_TYPE_STRING:
                case MGD_TYPE_GUID:
                    $qb->add_constraint($upfield, '=', '');
                    break;
                case MGD_TYPE_INT:
                case MGD_TYPE_UINT:
                    $qb->add_constraint($upfield, '=', 0);
                    break;
                default:
                    debug_add("Do not know how to handle upfield '{$upfield}' has type {$uptype}", MIDCOM_LOG_ERROR);
                    return false;
            }
        }
        return $qb;
    }

    /**
     * Get rendered path for object
     *
     * @param midgard\portable\api\mgdobject $object The object to get path for
     * @param string $separator the string used to separate path components
     */
    public static function resolve_path($object, string $separator = ' &gt; ') : string
    {
        $parts = self::resolve_path_parts($object);
        return implode($separator, array_column($parts, 'label'));
    }

    /**
     * Get path components for object
     *
     * @param midgard\portable\api\mgdobject $object The object to get path for
     */
    public static function resolve_path_parts($object) : array
    {
        static $cache = [];
        if (isset($cache[$object->guid])) {
            return $cache[$object->guid];
        }

        $ret = [];
        $ret[] = [
            'object' => $object,
            'label' => parent::get($object)->get_object_label($object),
        ];

        $parent = $object->get_parent();
        while (is_object($parent)) {
            $ret[] = [
                'object' => $parent,
                'label' => parent::get($parent)->get_object_label($parent),
            ];
            $parent = $parent->get_parent();
        }

        $cache[$object->guid] = array_reverse($ret);
        return $cache[$object->guid];
    }

    private static function _check_permissions(bool $deleted) : bool
    {
        // PONDER: Check for some generic user privilege instead  ??
        if (   $deleted
            && !midcom_connection::is_admin()
            && !midcom::get()->auth->is_component_sudo()) {
            debug_add('Non-admins are not allowed to list deleted objects', MIDCOM_LOG_ERROR);
            return false;
        }
        return true;
    }

    /**
     * Get children of given object
     *
     * @param midgard\portable\api\mgdobject $object object to get children for
     * @param boolean $deleted whether to get (only) deleted or not-deleted objects
     * @return array multidimensional array (keyed by classname) of objects
     */
    public static function get_child_objects(object $object, bool $deleted = false) : array
    {
        if (!self::_check_permissions($deleted)) {
            return [];
        }
        $resolver = new self($object);

        $child_objects = [];
        foreach ($resolver->get_child_classes() as $schema_type) {
            $qb = $resolver->_child_objects_type_qb($schema_type, $object, $deleted);
            if (!$qb) {
                debug_add('Could not get QB instance', MIDCOM_LOG_ERROR);
                continue;
            }

            // Sort by title and name if available
            self::add_schema_sorts_to_qb($qb, $schema_type);

            if ($type_children = $qb->execute()) {
                $child_objects[$schema_type] = $type_children;
            }
        }
        return $child_objects;
    }

    private function _get_type_qb(string $schema_type, bool $deleted)
    {
        if (empty($schema_type)) {
            debug_add('Passed schema_type argument is empty, this is fatal', MIDCOM_LOG_ERROR);
            return false;
        }
        if ($deleted) {
            $qb = new midgard_query_builder($schema_type);
            $qb->include_deleted();
            $qb->add_constraint('metadata.deleted', '<>', 0);
            return $qb;
        }
        // Figure correct MidCOM DBA class to use and get midcom QB
        $midcom_dba_classname = midcom::get()->dbclassloader->get_midcom_class_name_for_mgdschema_object($schema_type);
        if (empty($midcom_dba_classname)) {
            debug_add("MidCOM DBA does not know how to handle {$schema_type}", MIDCOM_LOG_ERROR);
            return false;
        }

        return $midcom_dba_classname::new_query_builder();
    }

    /**
     * Figure out constraint(s) to use to get child objects
     */
    private function _get_link_fields(string $schema_type, string $target_class) : array
    {
        static $cache = [];
        $cache_key = $schema_type . '-' . $target_class;
        if (empty($cache[$cache_key])) {
            $ref = new midgard_reflection_property($schema_type);

            $linkfields = array_filter([
                'up' => midgard_object_class::get_property_up($schema_type),
                'parent' => midgard_object_class::get_property_parent($schema_type)
            ]);
            $data = [];
            foreach ($linkfields as $link_type => $field) {
                $info = [
                    'name' => $field,
                    'type' => $ref->get_midgard_type($field),
                    'target' => $ref->get_link_target($field)
                ];

                if ($linked_class = $ref->get_link_name($field)) {
                    if (!self::is_same_class($linked_class, $target_class)) {
                        // This link points elsewhere
                        continue;
                    }
                } elseif ($info['type'] === MGD_TYPE_GUID && empty($info['target'])) {
                    // Guid link without class specification, valid for all classes
                    $info['target'] = 'guid';
                }
                $data[$link_type] = $info;
            }
            $cache[$cache_key] = $data;
        }
        return $cache[$cache_key];
    }

    /**
     * Creates a QB instance for _get_child_objects_type
     */
    public function _child_objects_type_qb(string $schema_type, object $for_object, bool $deleted)
    {
        $qb = $this->_get_type_qb($schema_type, $deleted);
        if (!$qb) {
            debug_add("Could not get QB for type '{$schema_type}'", MIDCOM_LOG_ERROR);
            return false;
        }

        $linkfields = $this->_get_link_fields($schema_type, get_class($for_object));

        if (empty($linkfields)) {
            debug_add("Class '{$schema_type}' has no valid link properties pointing to class '" . get_class($for_object) . "', this should not happen here", MIDCOM_LOG_ERROR);
            return false;
        }

        $multiple_links = count($linkfields) > 1;
        if ($multiple_links) {
            $qb->begin_group('OR');
        }

        foreach ($linkfields as $link_type => $field_data) {
            $field_target = $field_data['target'];
            $field_type = $field_data['type'];
            $field = $field_data['name'];

            if (   !$field_target
                || !isset($for_object->$field_target)) {
                // Why return false ???
                return false;
            }
            switch ($field_type) {
                case MGD_TYPE_STRING:
                case MGD_TYPE_GUID:
                    $qb->add_constraint($field, '=', $for_object->$field_target);
                    break;
                case MGD_TYPE_INT:
                case MGD_TYPE_UINT:
                    if ($link_type == 'up') {
                        $qb->add_constraint($field, '=', $for_object->$field_target);
                    } else {
                        if (!empty($linkfields['up']['name'])) {
                            //we only return direct children (otherwise they would turn up twice in recursive queries)
                            $qb->begin_group('AND');
                            $qb->add_constraint($field, '=', $for_object->$field_target);
                            $qb->add_constraint($linkfields['up']['name'], '=', 0);
                            $qb->end_group();
                        } else {
                            $qb->add_constraint($field, '=', $for_object->$field_target);
                        }
                    }
                    break;
                default:
                    debug_add("Do not know how to handle linked field '{$field}', has type {$field_type}", MIDCOM_LOG_INFO);

                    // Why return false ???
                    return false;
            }
        }

        if ($multiple_links) {
            $qb->end_group();
        }

        return $qb;
    }

    /**
     * Get the parent class of the class this reflector was instantiated for
     *
     * @return string class name (or false if the type has no parent)
     */
    public function get_parent_class() : ?string
    {
        $parent_property = midgard_object_class::get_property_parent($this->mgdschema_class);
        if (!$parent_property) {
            return null;
        }
        $ref = new midgard_reflection_property($this->mgdschema_class);
        return $ref->get_link_name($parent_property);
    }

    /**
     * Get the child classes of the class this reflector was instantiated for
     */
    public function get_child_classes() : array
    {
        static $cache = [];
        if (!isset($cache[$this->mgdschema_class])) {
            $cache[$this->mgdschema_class] = [];

            $types = array_diff(midcom_connection::get_schema_types(), $this->_config->get_array('child_class_exceptions_neverchild'));
            foreach ($types as $schema_type) {
                if ($this->_get_link_fields($schema_type, $this->mgdschema_class)) {
                    $cache[$this->mgdschema_class][] = $schema_type;
                }
            }

            //make sure children of the same type come out on top
            if ($key = array_search($this->mgdschema_class, $cache[$this->mgdschema_class])) {
                unset($cache[$this->mgdschema_class][$key]);
                array_unshift($cache[$this->mgdschema_class], $this->mgdschema_class);
            }
        }
        return $cache[$this->mgdschema_class];
    }

    /**
     * Get an array of "root level" classes
     */
    public static function get_root_classes() : array
    {
        static $root_classes = false;
        if (empty($root_classes)) {
            $root_classes = self::_resolve_root_classes();
        }
        return $root_classes;
    }

    /**
     * Resolves the "root level" classes, used by get_root_classes()
     */
    private static function _resolve_root_classes() : array
    {
        $root_exceptions_notroot = midcom_baseclasses_components_configuration::get('midcom.helper.reflector', 'config')->get_array('root_class_exceptions_notroot');
        $root_classes = [];
        $types = array_diff(midcom_connection::get_schema_types(), $root_exceptions_notroot);
        foreach ($types as $schema_type) {
            // Class extensions mapping
            $schema_type = self::class_rewrite($schema_type);

            // Make sure we only add classes once
            if (in_array($schema_type, $root_classes)) {
                // Already listed
                continue;
            }

            if (midgard_object_class::get_property_parent($schema_type)) {
                // type has parent set, thus cannot be root type
                continue;
            }

            if (!midcom::get()->dbclassloader->get_midcom_class_name_for_mgdschema_object($schema_type)) {
                // Not a MidCOM DBA object, skip
                continue;
            }

            $root_classes[] = $schema_type;
        }

        usort($root_classes, 'strnatcmp');
        return $root_classes;
    }

    /**
     * Add default ("title" and "name") sorts to a QB instance
     *
     * @param midgard_query_builder $qb QB instance
     */
    public static function add_schema_sorts_to_qb($qb, string $schema_type)
    {
        // Sort by "title" and "name" if available
        $dummy = new $schema_type();
        if ($title_property = self::get_title_property($dummy)) {
            $qb->add_order($title_property);
        }
        if ($name_property = self::get_name_property($dummy)) {
            $qb->add_order($name_property);
        }
    }

    /**
     * List object children
     */
    public static function get_tree(midcom_core_dbaobject $parent) : array
    {
        static $shown_guids = [];
        $tree = [];

        foreach (self::get_child_objects($parent) as $class => $objects) {
            $reflector = parent::get($class);

            foreach ($objects as $object) {
                if (array_key_exists($object->guid, $shown_guids)) {
                    //we might see objects twice if they have both up and parent
                    continue;
                }
                $shown_guids[$object->guid] = true;

                $leaf = [
                    'title' => $reflector->get_object_label($object),
                    'icon' => $reflector->get_object_icon($object),
                    'class' => $class
                ];
                if ($grandchildren = self::get_tree($object)) {
                    $leaf['children'] = $grandchildren;
                }
                $tree[] = $leaf;
            }
        }
        return $tree;
    }
}


1		<?php
2		/**
3		* @package midcom.helper.reflector
4		* @author The Midgard Project, http://www.midgard-project.org
5		* @copyright The Midgard Project, http://www.midgard-project.org
6		* @license http://www.gnu.org/licenses/lgpl.html GNU Lesser General Public License
7		*/
8
9		/**
10		* The Grand Unified Reflector, Tree information
11		*
12		* @package midcom.helper.reflector
13		*/
14		class midcom_helper_reflector_tree extends midcom_helper_reflector
15		{
16		/**
17		* Creates a QB instance for root objects
18		*/
19	5	public function _root_objects_qb()
20		{
21	5	$schema_type = $this->mgdschema_class;
22
23	5	$qb = $this->_get_type_qb($schema_type, false);
24	5	if (!$qb) {
25		debug_add("Could not get QB for type '{$schema_type}'", MIDCOM_LOG_ERROR);
26		return false;
27		}
28
29		// Figure out constraint to use to get root level objects
30	5	if ($upfield = midgard_object_class::get_property_up($schema_type)) {
31	5	$uptype = $this->_mgd_reflector->get_midgard_type($upfield);
32	5	switch ($uptype) {
33		case MGD_TYPE_STRING:
34		case MGD_TYPE_GUID:
35		$qb->add_constraint($upfield, '=', '');
36		break;
37		case MGD_TYPE_INT:
38		case MGD_TYPE_UINT:
39	5	$qb->add_constraint($upfield, '=', 0);
40	5	break;
41		default:
42		debug_add("Do not know how to handle upfield '{$upfield}' has type {$uptype}", MIDCOM_LOG_ERROR);
43		return false;
44		}
45		}
46	5	return $qb;
47		}
48
49		/**
50		* Get rendered path for object
51		*
52		* @param midgard\portable\api\mgdobject $object The object to get path for
53		* @param string $separator the string used to separate path components
54		*/
55	1	public static function resolve_path($object, string $separator = ' > ') : string
56		{
57	1	$parts = self::resolve_path_parts($object);
58	1	return implode($separator, array_column($parts, 'label'));
59		}
60
61		/**
62		* Get path components for object
63		*
64		* @param midgard\portable\api\mgdobject $object The object to get path for
65		*/
66	3	public static function resolve_path_parts($object) : array
67		{
68	3	static $cache = [];
69	3	if (isset($cache[$object->guid])) {
70	1	return $cache[$object->guid];
71		}
72
73	2	$ret = [];
74	2	$ret[] = [
75	2	'object' => $object,
76	2	'label' => parent::get($object)->get_object_label($object),
77		];
78
79	2	$parent = $object->get_parent();
80	2	while (is_object($parent)) {
81	1	$ret[] = [
82	1	'object' => $parent,
83	1	'label' => parent::get($parent)->get_object_label($parent),
84		];
85	1	$parent = $parent->get_parent();
86		}
87
88	2	$cache[$object->guid] = array_reverse($ret);
89	2	return $cache[$object->guid];
90		}
91
92	21	private static function _check_permissions(bool $deleted) : bool
93		{
94		// PONDER: Check for some generic user privilege instead ??
95	21	if ( $deleted
96	21	&& !midcom_connection::is_admin()
97	21	&& !midcom::get()->auth->is_component_sudo()) {
98		debug_add('Non-admins are not allowed to list deleted objects', MIDCOM_LOG_ERROR);
99		return false;
100		}
101	21	return true;
102		}
103
104		/**
105		* Get children of given object
106		*
107		* @param midgard\portable\api\mgdobject $object object to get children for
108		* @param boolean $deleted whether to get (only) deleted or not-deleted objects
109		* @return array multidimensional array (keyed by classname) of objects
110		*/
111	21	public static function get_child_objects(object $object, bool $deleted = false) : array
112		{
113	21	if (!self::_check_permissions($deleted)) {
114		return [];
115		}
116	21	$resolver = new self($object);
117
118	21	$child_objects = [];
119	21	foreach ($resolver->get_child_classes() as $schema_type) {
120	21	$qb = $resolver->_child_objects_type_qb($schema_type, $object, $deleted);
121	21	if (!$qb) {
122		debug_add('Could not get QB instance', MIDCOM_LOG_ERROR);
123		continue;
124		}
125
126		// Sort by title and name if available
127	21	self::add_schema_sorts_to_qb($qb, $schema_type);
128
129	21	if ($type_children = $qb->execute()) {
130	1	$child_objects[$schema_type] = $type_children;
131		}
132		}
133	21	return $child_objects;
134		}
135
136	96	private function _get_type_qb(string $schema_type, bool $deleted)
137		{
138	96	if (empty($schema_type)) {
139		debug_add('Passed schema_type argument is empty, this is fatal', MIDCOM_LOG_ERROR);
140		return false;
141		}
142	96	if ($deleted) {
143		$qb = new midgard_query_builder($schema_type);
144		$qb->include_deleted();
145		$qb->add_constraint('metadata.deleted', '<>', 0);
146		return $qb;
147		}
148		// Figure correct MidCOM DBA class to use and get midcom QB
149	96	$midcom_dba_classname = midcom::get()->dbclassloader->get_midcom_class_name_for_mgdschema_object($schema_type);
150	96	if (empty($midcom_dba_classname)) {
151		debug_add("MidCOM DBA does not know how to handle {$schema_type}", MIDCOM_LOG_ERROR);
152		return false;
153		}
154
155	96	return $midcom_dba_classname::new_query_builder();
156		}
157
158		/**
159		* Figure out constraint(s) to use to get child objects
160		*/
161	94	private function _get_link_fields(string $schema_type, string $target_class) : array
162		{
163	94	static $cache = [];
164	94	$cache_key = $schema_type . '-' . $target_class;
165	94	if (empty($cache[$cache_key])) {
166	6	$ref = new midgard_reflection_property($schema_type);
167
168	6	$linkfields = array_filter([
169	6	'up' => midgard_object_class::get_property_up($schema_type),
170	6	'parent' => midgard_object_class::get_property_parent($schema_type)
171		]);
172	6	$data = [];
173	6	foreach ($linkfields as $link_type => $field) {
174		$info = [
175	6	'name' => $field,
176	6	'type' => $ref->get_midgard_type($field),
177	6	'target' => $ref->get_link_target($field)
178		];
179
180	6	if ($linked_class = $ref->get_link_name($field)) {
181	5	if (!self::is_same_class($linked_class, $target_class)) {
182		// This link points elsewhere
183	5	continue;
184		}
185	6	} elseif ($info['type'] === MGD_TYPE_GUID && empty($info['target'])) {
186		// Guid link without class specification, valid for all classes
187	6	$info['target'] = 'guid';
188		}
189	6	$data[$link_type] = $info;
190		}
191	6	$cache[$cache_key] = $data;
192		}
193	94	return $cache[$cache_key];
194		}
195
196		/**
197		* Creates a QB instance for _get_child_objects_type
198		*/
199	94	public function _child_objects_type_qb(string $schema_type, object $for_object, bool $deleted)
200		{
201	94	$qb = $this->_get_type_qb($schema_type, $deleted);
202	94	if (!$qb) {
203		debug_add("Could not get QB for type '{$schema_type}'", MIDCOM_LOG_ERROR);
204		return false;
205		}
206
207	94	$linkfields = $this->_get_link_fields($schema_type, get_class($for_object));
208
209	94	if (empty($linkfields)) {
210		debug_add("Class '{$schema_type}' has no valid link properties pointing to class '" . get_class($for_object) . "', this should not happen here", MIDCOM_LOG_ERROR);
211		return false;
212		}
213
214	94	$multiple_links = count($linkfields) > 1;
215	94	if ($multiple_links) {
216		$qb->begin_group('OR');
217		}
218
219	94	foreach ($linkfields as $link_type => $field_data) {
220	94	$field_target = $field_data['target'];
221	94	$field_type = $field_data['type'];
222	94	$field = $field_data['name'];
223
224	94	if ( !$field_target
225	94	\|\| !isset($for_object->$field_target)) {
226		// Why return false ???
227		return false;
228		}
229	94	switch ($field_type) {
230		case MGD_TYPE_STRING:
231		case MGD_TYPE_GUID:
232	94	$qb->add_constraint($field, '=', $for_object->$field_target);
233	94	break;
234		case MGD_TYPE_INT:
235		case MGD_TYPE_UINT:
236	91	if ($link_type == 'up') {
237	91	$qb->add_constraint($field, '=', $for_object->$field_target);
238		} else {
239	85	if (!empty($linkfields['up']['name'])) {
240		//we only return direct children (otherwise they would turn up twice in recursive queries)
241		$qb->begin_group('AND');
242		$qb->add_constraint($field, '=', $for_object->$field_target);
243		$qb->add_constraint($linkfields['up']['name'], '=', 0);
244		$qb->end_group();
245		} else {
246	85	$qb->add_constraint($field, '=', $for_object->$field_target);
247		}
248		}
249	91	break;
250		default:
251		debug_add("Do not know how to handle linked field '{$field}', has type {$field_type}", MIDCOM_LOG_INFO);
252
253		// Why return false ???
254		return false;
255		}
256		}
257
258	94	if ($multiple_links) {
259		$qb->end_group();
260		}
261
262	94	return $qb;
263		}
264
265		/**
266		* Get the parent class of the class this reflector was instantiated for
267		*
268		* @return string class name (or false if the type has no parent)
269		*/
270	2	public function get_parent_class() : ?string
271		{
272	2	$parent_property = midgard_object_class::get_property_parent($this->mgdschema_class);
273	2	if (!$parent_property) {
274	2	return null;
275		}
276		$ref = new midgard_reflection_property($this->mgdschema_class);
277		return $ref->get_link_name($parent_property);
278		}
279
280		/**
281		* Get the child classes of the class this reflector was instantiated for
282		*/
283	95	public function get_child_classes() : array
284		{
285	95	static $cache = [];
286	95	if (!isset($cache[$this->mgdschema_class])) {
287	4	$cache[$this->mgdschema_class] = [];
288
289	4	$types = array_diff(midcom_connection::get_schema_types(), $this->_config->get_array('child_class_exceptions_neverchild'));
290	4	foreach ($types as $schema_type) {
291	4	if ($this->_get_link_fields($schema_type, $this->mgdschema_class)) {
292	4	$cache[$this->mgdschema_class][] = $schema_type;
293		}
294		}
295
296		//make sure children of the same type come out on top
297	4	if ($key = array_search($this->mgdschema_class, $cache[$this->mgdschema_class])) {
298	2	unset($cache[$this->mgdschema_class][$key]);
299	2	array_unshift($cache[$this->mgdschema_class], $this->mgdschema_class);
300		}
301		}
302	95	return $cache[$this->mgdschema_class];
303		}
304
305		/**
306		* Get an array of "root level" classes
307		*/
308	12	public static function get_root_classes() : array
309		{
310	12	static $root_classes = false;
311	12	if (empty($root_classes)) {
312		$root_classes = self::_resolve_root_classes();
313		}
314	12	return $root_classes;
315		}
316
317		/**
318		* Resolves the "root level" classes, used by get_root_classes()
319		*/
320		private static function _resolve_root_classes() : array
321		{
322		$root_exceptions_notroot = midcom_baseclasses_components_configuration::get('midcom.helper.reflector', 'config')->get_array('root_class_exceptions_notroot');
323		$root_classes = [];
324		$types = array_diff(midcom_connection::get_schema_types(), $root_exceptions_notroot);
325		foreach ($types as $schema_type) {
326		// Class extensions mapping
327		$schema_type = self::class_rewrite($schema_type);
328
329		// Make sure we only add classes once
330		if (in_array($schema_type, $root_classes)) {
331		// Already listed
332		continue;
333		}
334
335		if (midgard_object_class::get_property_parent($schema_type)) {
336		// type has parent set, thus cannot be root type
337		continue;
338		}
339
340		if (!midcom::get()->dbclassloader->get_midcom_class_name_for_mgdschema_object($schema_type)) {
341		// Not a MidCOM DBA object, skip
342		continue;
343		}
344
345		$root_classes[] = $schema_type;
346		}
347
348		usort($root_classes, 'strnatcmp');
349		return $root_classes;
350		}
351
352		/**
353		* Add default ("title" and "name") sorts to a QB instance
354		*
355		* @param midgard_query_builder $qb QB instance
356		*/
357	21	public static function add_schema_sorts_to_qb($qb, string $schema_type)
358		{
359		// Sort by "title" and "name" if available
360	21	$dummy = new $schema_type();
361	21	if ($title_property = self::get_title_property($dummy)) {
362	21	$qb->add_order($title_property);
363		}
364	21	if ($name_property = self::get_name_property($dummy)) {
365	16	$qb->add_order($name_property);
366		}
367	21	}
368
369		/**
370		* List object children
371		*/
372		public static function get_tree(midcom_core_dbaobject $parent) : array
373		{
374		static $shown_guids = [];
375		$tree = [];
376
377		foreach (self::get_child_objects($parent) as $class => $objects) {
378		$reflector = parent::get($class);
379
380		foreach ($objects as $object) {
381		if (array_key_exists($object->guid, $shown_guids)) {
382		//we might see objects twice if they have both up and parent
383		continue;
384		}
385		$shown_guids[$object->guid] = true;
386
387		$leaf = [
388		'title' => $reflector->get_object_label($object),
389		'icon' => $reflector->get_object_icon($object),
390		'class' => $class
391		];
392		if ($grandchildren = self::get_tree($object)) {
393		$leaf['children'] = $grandchildren;
394		}
395		$tree[] = $leaf;
396		}
397		}
398		return $tree;
399		}
400		}
401

flack / openpsa

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