midcom_helper__dbfactory::get_parent_data() - Code Metrics - Inspection of "Improve robustness by better (and less) type check..." - flack/openpsa - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 920166...6999ec )

by Andreas

created 2020-09-14 20:12 UTC

midcom_helper__dbfactory::get_parent_data() A

↳ Parent: midcom_helper__dbfactory

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	1

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	1
eloc	1
c	1
b	0
f	0
nc	1
nop	2
dl	0
loc	3
ccs	2
cts	2
cp	1
crap	1
rs	10

<?php
/**
 * @package midcom.helper
 * @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
 */

use midgard\portable\api\error\exception as mgd_exception;
use midgard\portable\api\mgdobject;

/**
 * This class contains various factory methods to retrieve objects from the database.
 * The only instance of this class you should ever use is available through
 * midcom::get()->dbfactory.
 *
 * @package midcom.helper
 */
class midcom_helper__dbfactory
{
    /**
     * ID => GUID cache for parents
     *
     * @var array
     */
    private $_parent_mapping = [];

    /**
     * Cache for possible parent configurations per mgdschema class
     *
     * @var array
     */
    private $_parent_candidates = [];

    /**
     * This is a replacement for the original midgard_object_class::get_object_by_guid method, which takes
     * the MidCOM DBA system into account.
     *
     * @param string $guid The object GUID.
     */
    public function get_object_by_guid($guid) : midcom_core_dbaobject
    {
        try {
            $tmp = midgard_object_class::get_object_by_guid($guid);
        } catch (mgd_exception $e) {
            debug_add('Loading object by GUID ' . $guid . ' failed, reason: ' . $e->getMessage(), MIDCOM_LOG_INFO);

            throw new midcom_error_midgard($e, $guid);
        }
        $person_class = midcom::get()->config->get('person_class');
        if (   get_class($tmp) == 'midgard_person'
            && $person_class != 'midgard_person') {
            $tmp = new $person_class($guid);
        }
        return $this->convert_midgard_to_midcom($tmp);
    }

    /**
     * Retrieve a reference to an object, uses in-request caching
     *
     * @param string $classname Which DBA are we dealing with
     * @param mixed $src GUID of object (ids work but are discouraged)
     */
    public function &get_cached(string $classname, $src) : midcom_core_dbaobject
    {
        static $cache = [];

        if (empty($src)) {
            throw new midcom_error('invalid source identifier');
        }

        if (!isset($cache[$classname])) {
            $cache[$classname] = [];
        }

        if (isset($cache[$classname][$src])) {
            return $cache[$classname][$src];
        }
        $object = new $classname($src);
        $cache[$classname][$object->guid] = $object;
        $cache[$classname][$object->id] =& $cache[$classname][$object->guid];
        return $cache[$classname][$object->guid];
    }

    /**
     * This function will determine the correct type of midgard_collector that
     * has to be created. It will also call the _on_prepare_new_collector event handler.
     *
     * @param string $classname The name of the class for which you want to create a collector.
     * @param string $domain The domain property of the collector instance
     * @param mixed $value Value match for the collector instance
     * @see midcom_core_collector
     */
    public function new_collector($classname, $domain, $value) : midcom_core_collector
    {
        return new midcom_core_collector($classname, $domain, $value);
    }

    /**
     * This function will determine the correct type of midgard_query_builder that
     * has to be created. It will also call the _on_prepare_new_query_builder event handler.
     *
     * @param string $classname The name of the class for which you want to create a query builder.
     * @see midcom_core_querybuilder
     */
    public function new_query_builder($classname) : midcom_core_querybuilder
    {
        return new midcom_core_querybuilder($classname);
    }

    /**
     * Convert MgdSchema object into a MidCOM DBA object.
     */
    public function convert_midgard_to_midcom(mgdobject $object) : midcom_core_dbaobject
    {
        $classname = midcom::get()->dbclassloader->get_midcom_class_name_for_mgdschema_object($object);

        if (!class_exists($classname)) {
            throw new midcom_error("Got non-existing DBA class {$classname} for object of type " . get_class($object) . ", cannot convert.");
        }

        return new $classname($object);
    }

    /**
     * This is a helper for emulating is_a() functionality with MidCOM DBA objects that are decorators.
     * This method can be used to check whether an object is of a MidCOM DBA or MgdSchema type
     *
     * @param mixed $object MgdSchema or MidCOM DBA object
     * @param string $class Class to check the instance against
     */
    public function is_a($object, $class, bool $allow_string = false) : bool
    {
        if (is_a($object, $class, $allow_string)) {
            // Direct match
            return true;
        }

        if (   isset($object->__object)
            && is_object($object->__object)
            && $object->__object instanceof $class) {
            // Decorator whose MgdSchema object matches
            return true;
        }

        if (   isset($object->__mgdschema_class_name__)
            && $object->__mgdschema_class_name__ == $class) {
            // Decorator without object instantiated, check class match
            return true;
        }

        return false;
    }

    /**
     * Returns the parent object. Tries to utilize the Memcache
     * data, loading the actual information only if it is not cached.
     *
     * @see get_parent_data()
     * @todo rethink this, IMO we should trust midgard core's get_parent and then just do the object conversion if necessary since this can return stale objects and other nastiness
     */
    public function get_parent(midcom_core_dbaobject $object) : ?midcom_core_dbaobject
    {
        [$classname, $parent_guid] = $this->_get_parent_guid_cached($object->guid, $object);

        if (   empty($parent_guid)
            || $parent_guid === $object->guid) {
            return null;
        }

        if (empty($classname)) {
            //This must be a GUID link (or wrongly configured schema)
            try {
                $parent = $this->get_object_by_guid($parent_guid);
                $parent_data = [$parent->__midcom_class_name__, $parent_guid];
            } catch (midcom_error $e) {
                $parent_data = ['', null];
                $parent = null;
            }
            // Cache the classname so that we can avoid get_object_by_guid calls the next time
            midcom::get()->cache->memcache->update_parent_data($object->guid, $parent_data);


            return $parent;
        }

        try {
            return $this->get_cached($classname, $parent_guid);
        } catch (midcom_error $e) {
            return null;
        }
    }

    /**
     * Determines the parent GUID for an existing GUID according to the MidCOM content tree rules.
     *
     * It tries to look up the GUID in the memory cache, only if this fails, the regular
     * content getters are invoked.
     *
     * @param string $guid A GUID string.
     * @param string $class class name of object if known (so we can use get_parent_guid_uncached_static and avoid instantiating full object)
     * @return array The parent GUID and class (value might be null, if this is a top level object).
     */
    public function get_parent_data(string $guid, string $class = null) : array
    {
        return $this->_get_parent_guid_cached($guid, null, $class);
    }

    private function _get_parent_guid_cached(string $object_guid, $the_object, $class = null) : array
    {
        static $cached_parent_data = [];

        $parent_data = false;
        if (mgd_is_guid($object_guid)) {
            if (array_key_exists($object_guid, $cached_parent_data)) {
                // We already got this either via query or memcache
                return $cached_parent_data[$object_guid];
            }

            $parent_data = midcom::get()->cache->memcache->lookup_parent_data($object_guid);

        } elseif ($the_object === null) {
            throw new midcom_error('Tried to resolve an invalid GUID without an object being present. This cannot be done.');
        }

        if (!is_array($parent_data)) {
            // No cache hit, retrieve guid and update the cache
            if ($class) {
                // Class defined, we can use the static method for fetching parent and avoiding full object instantiate
                $parent_data = $this->_get_parent_guid_uncached_static($object_guid, $class);
            } else {
                // class not defined, retrieve the full object by guid
                if ($the_object === null) {
                    try {
                        $the_object = $this->get_object_by_guid($object_guid);
                    } catch (midcom_error $e) {
                        return ['' => null];
                    }
                }

                $parent_data = $this->_get_parent_guid_uncached($the_object);
            }

            $classname = $parent_data[0];
            $parent_guid = $parent_data[1];
            if (!empty($classname)) {
                $classname = midcom::get()->dbclassloader->get_midcom_class_name_for_mgdschema_object($classname);
            }
            if (!mgd_is_guid($parent_guid)) {
                $parent_guid = null;
            }
            $parent_data = [$classname, $parent_guid];

            if (mgd_is_guid($object_guid)) {
                midcom::get()->cache->memcache->update_parent_data($object_guid, $parent_data);
            }
        }

        // Remember this so we don't need to get it again
        $cached_parent_data[$object_guid] = $parent_data;

        return $parent_data;
    }

    private function _get_parent_guid_uncached(midcom_core_dbaobject $object) : array
    {
        if (method_exists($object, 'get_parent_guid_uncached')) {
            return ['', $object->get_parent_guid_uncached()];
        }

        $candidates = $this->_get_parent_candidates($object->__mgdschema_class_name__);

        foreach ($candidates as $data) {
            $parent_guid = $this->_load_guid($data['target_class'], $data['target_property'], $object->{$data['source_property']});
            if (null !== $parent_guid) {
                return [$data['target_class'], $parent_guid];
            }
        }
        return ['', null];
    }

    /**
     * Get the GUID of the object's parent. This is done by reading up or parent
     * property values, which will give us the parent's ID
     */
    private function _get_parent_guid_uncached_static(string $object_guid, string $class_name) : array
    {
        if (method_exists($class_name, 'get_parent_guid_uncached_static')) {
            return ['', $class_name::get_parent_guid_uncached_static($object_guid)];
        }

        $class_name = midcom::get()->dbclassloader->get_mgdschema_class_name_for_midcom_class($class_name);
        $candidates = $this->_get_parent_candidates($class_name);

        foreach ($candidates as $data) {
            $mc = new midgard_collector($class_name, 'guid', $object_guid);
            $mc->set_key_property($data['source_property']);
            $mc->execute();
            $link_values = $mc->list_keys();

            if (empty($link_values)) {
                continue;
            }
            $link_value = key($link_values);
            $parent_guid = $this->_load_guid($data['target_class'], $data['target_property'], $link_value);
            if (null !== $parent_guid) {
                return [$data['target_class'], $parent_guid];
            }
        }
        return ['', null];
    }

    private function _load_guid(string $target_class, string $target_property, $link_value) : ?string
    {
        if (empty($link_value)) {
            return null;
        }
        if (!array_key_exists($target_class, $this->_parent_mapping)) {
            $this->_parent_mapping[$target_class] = [];
        }
        if (array_key_exists($link_value, $this->_parent_mapping[$target_class])) {
            return $this->_parent_mapping[$target_class][$link_value];
        }
        $this->_parent_mapping[$target_class][$link_value] = null;

        $mc2 = new midgard_collector($target_class, $target_property, $link_value);
        $mc2->set_key_property('guid');
        $mc2->execute();
        $guids = $mc2->list_keys();
        if (!empty($guids)) {
            $this->_parent_mapping[$target_class][$link_value] = key($guids);
        }
        return $this->_parent_mapping[$target_class][$link_value];
    }

    private function _get_parent_candidates(string $classname) : array
    {
        if (!isset($this->_parent_candidates[$classname])) {
            $this->_parent_candidates[$classname] = [];
            $reflector = new midgard_reflection_property($classname);
            $up_property = midgard_object_class::get_property_up($classname);
            $parent_property = midgard_object_class::get_property_parent($classname);

            if ($up_property) {
                $this->_parent_candidates[$classname][] = [
                    'source_property' => $up_property,
                    'target_property' => $reflector->get_link_target($up_property),
                    'target_class' => $reflector->get_link_name($up_property),
                ];
            }

            if (   $parent_property
                && $reflector->get_link_target($parent_property)) {
                $target_class = $reflector->get_link_name($parent_property);
                if ($target_class == 'midgard_person') {
                    $person_class = midcom::get()->config->get('person_class');
                    if ($person_class != 'midgard_person') {
                        $target_class = $person_class;
                    }
                }
                $this->_parent_candidates[$classname][] = [
                    'source_property' => $parent_property,
                    'target_property' => $reflector->get_link_target($parent_property),
                    'target_class' => $target_class,
                ];
            }
            // FIXME: Handle GUID linking
        }
        return $this->_parent_candidates[$classname];
    }
}


1		<?php
2		/**
3		* @package midcom.helper
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		use midgard\portable\api\error\exception as mgd_exception;
10		use midgard\portable\api\mgdobject;
11
12		/**
13		* This class contains various factory methods to retrieve objects from the database.
14		* The only instance of this class you should ever use is available through
15		* midcom::get()->dbfactory.
16		*
17		* @package midcom.helper
18		*/
19		class midcom_helper__dbfactory
20		{
21		/**
22		* ID => GUID cache for parents
23		*
24		* @var array
25		*/
26		private $_parent_mapping = [];
27
28		/**
29		* Cache for possible parent configurations per mgdschema class
30		*
31		* @var array
32		*/
33		private $_parent_candidates = [];
34
35		/**
36		* This is a replacement for the original midgard_object_class::get_object_by_guid method, which takes
37		* the MidCOM DBA system into account.
38		*
39		* @param string $guid The object GUID.
40		*/
41	163	public function get_object_by_guid($guid) : midcom_core_dbaobject
42		{
43		try {
44	163	$tmp = midgard_object_class::get_object_by_guid($guid);
45	3	} catch (mgd_exception $e) {
46	3	debug_add('Loading object by GUID ' . $guid . ' failed, reason: ' . $e->getMessage(), MIDCOM_LOG_INFO);
47
48	3	throw new midcom_error_midgard($e, $guid);
49		}
50	163	$person_class = midcom::get()->config->get('person_class');
51	163	if ( get_class($tmp) == 'midgard_person'
52	163	&& $person_class != 'midgard_person') {
53	114	$tmp = new $person_class($guid);
54		}
55	163	return $this->convert_midgard_to_midcom($tmp);
56		}
57
58		/**
59		* Retrieve a reference to an object, uses in-request caching
60		*
61		* @param string $classname Which DBA are we dealing with
62		* @param mixed $src GUID of object (ids work but are discouraged)
63		*/
64	261	public function &get_cached(string $classname, $src) : midcom_core_dbaobject
65		{
66	261	static $cache = [];
67
68	261	if (empty($src)) {
69	12	throw new midcom_error('invalid source identifier');
70		}
71
72	255	if (!isset($cache[$classname])) {
73	17	$cache[$classname] = [];
74		}
75
76	255	if (isset($cache[$classname][$src])) {
77	236	return $cache[$classname][$src];
78		}
79	176	$object = new $classname($src);
80	169	$cache[$classname][$object->guid] = $object;
81	169	$cache[$classname][$object->id] =& $cache[$classname][$object->guid];
82	169	return $cache[$classname][$object->guid];
83		}
84
85		/**
86		* This function will determine the correct type of midgard_collector that
87		* has to be created. It will also call the _on_prepare_new_collector event handler.
88		*
89		* @param string $classname The name of the class for which you want to create a collector.
90		* @param string $domain The domain property of the collector instance
91		* @param mixed $value Value match for the collector instance
92		* @see midcom_core_collector
93		*/
94	122	public function new_collector($classname, $domain, $value) : midcom_core_collector
95		{
96	122	return new midcom_core_collector($classname, $domain, $value);
97		}
98
99		/**
100		* This function will determine the correct type of midgard_query_builder that
101		* has to be created. It will also call the _on_prepare_new_query_builder event handler.
102		*
103		* @param string $classname The name of the class for which you want to create a query builder.
104		* @see midcom_core_querybuilder
105		*/
106	449	public function new_query_builder($classname) : midcom_core_querybuilder
107		{
108	449	return new midcom_core_querybuilder($classname);
109		}
110
111		/**
112		* Convert MgdSchema object into a MidCOM DBA object.
113		*/
114	165	public function convert_midgard_to_midcom(mgdobject $object) : midcom_core_dbaobject
115		{
116	165	$classname = midcom::get()->dbclassloader->get_midcom_class_name_for_mgdschema_object($object);
117
118	165	if (!class_exists($classname)) {
119		throw new midcom_error("Got non-existing DBA class {$classname} for object of type " . get_class($object) . ", cannot convert.");
120		}
121
122	165	return new $classname($object);
123		}
124
125		/**
126		* This is a helper for emulating is_a() functionality with MidCOM DBA objects that are decorators.
127		* This method can be used to check whether an object is of a MidCOM DBA or MgdSchema type
128		*
129		* @param mixed $object MgdSchema or MidCOM DBA object
130		* @param string $class Class to check the instance against
131		*/
132	94	public function is_a($object, $class, bool $allow_string = false) : bool
133		{
134	94	if (is_a($object, $class, $allow_string)) {
135		// Direct match
136	10	return true;
137		}
138
139	88	if ( isset($object->__object)
140	88	&& is_object($object->__object)
141	88	&& $object->__object instanceof $class) {
142		// Decorator whose MgdSchema object matches
143	21	return true;
144		}
145
146	79	if ( isset($object->__mgdschema_class_name__)
147	79	&& $object->__mgdschema_class_name__ == $class) {
148		// Decorator without object instantiated, check class match
149		return true;
150		}
151
152	79	return false;
153		}
154
155		/**
156		* Returns the parent object. Tries to utilize the Memcache
157		* data, loading the actual information only if it is not cached.
158		*
159		* @see get_parent_data()
160		* @todo rethink this, IMO we should trust midgard core's get_parent and then just do the object conversion if necessary since this can return stale objects and other nastiness
161		*/
162	303	public function get_parent(midcom_core_dbaobject $object) : ?midcom_core_dbaobject
163		{
164	303	[$classname, $parent_guid] = $this->_get_parent_guid_cached($object->guid, $object);
165
166	303	if ( empty($parent_guid)
167	303	\|\| $parent_guid === $object->guid) {
168	297	return null;
169		}
170
171	178	if (empty($classname)) {
172		//This must be a GUID link (or wrongly configured schema)
173		try {
174	29	$parent = $this->get_object_by_guid($parent_guid);
175	29	$parent_data = [$parent->__midcom_class_name__, $parent_guid];
176	3	} catch (midcom_error $e) {
177	3	$parent_data = ['', null];
178	3	$parent = null;
179		}
180		// Cache the classname so that we can avoid get_object_by_guid calls the next time
181	29	midcom::get()->cache->memcache->update_parent_data($object->guid, $parent_data);
		0 ignored issues – show Bug introduced 2018-01-08 16:22 UTC by Report Bug Copy Issue Report The property `memcache` does not seem to exist on `midcom_services_cache`. Loading history...
182
183	29	return $parent;
184		}
185
186		try {
187	156	return $this->get_cached($classname, $parent_guid);
188		} catch (midcom_error $e) {
189		return null;
190		}
191		}
192
193		/**
194		* Determines the parent GUID for an existing GUID according to the MidCOM content tree rules.
195		*
196		* It tries to look up the GUID in the memory cache, only if this fails, the regular
197		* content getters are invoked.
198		*
199		* @param string $guid A GUID string.
200		* @param string $class class name of object if known (so we can use get_parent_guid_uncached_static and avoid instantiating full object)
201		* @return array The parent GUID and class (value might be null, if this is a top level object).
202		*/
203	77	public function get_parent_data(string $guid, string $class = null) : array
204		{
205	77	return $this->_get_parent_guid_cached($guid, null, $class);
206		}
207
208	318	private function _get_parent_guid_cached(string $object_guid, $the_object, $class = null) : array
209		{
210	318	static $cached_parent_data = [];
211
212	318	$parent_data = false;
213	318	if (mgd_is_guid($object_guid)) {
214	317	if (array_key_exists($object_guid, $cached_parent_data)) {
215		// We already got this either via query or memcache
216	310	return $cached_parent_data[$object_guid];
217		}
218
219	285	$parent_data = midcom::get()->cache->memcache->lookup_parent_data($object_guid);
		0 ignored issues – show Bug introduced 2018-01-08 16:22 UTC by Report Bug Copy Issue Report The property `memcache` does not seem to exist on `midcom_services_cache`. Loading history...
220	285	} elseif ($the_object === null) {
221		throw new midcom_error('Tried to resolve an invalid GUID without an object being present. This cannot be done.');
222		}
223
224	287	if (!is_array($parent_data)) {
225		// No cache hit, retrieve guid and update the cache
226	287	if ($class) {
227		// Class defined, we can use the static method for fetching parent and avoiding full object instantiate
228	2	$parent_data = $this->_get_parent_guid_uncached_static($object_guid, $class);
229		} else {
230		// class not defined, retrieve the full object by guid
231	286	if ($the_object === null) {
232		try {
233		$the_object = $this->get_object_by_guid($object_guid);
234		} catch (midcom_error $e) {
235		return ['' => null];
236		}
237		}
238
239	286	$parent_data = $this->_get_parent_guid_uncached($the_object);
240		}
241
242	287	$classname = $parent_data[0];
243	287	$parent_guid = $parent_data[1];
244	287	if (!empty($classname)) {
245	148	$classname = midcom::get()->dbclassloader->get_midcom_class_name_for_mgdschema_object($classname);
246		}
247	287	if (!mgd_is_guid($parent_guid)) {
248	208	$parent_guid = null;
249		}
250	287	$parent_data = [$classname, $parent_guid];
251
252	287	if (mgd_is_guid($object_guid)) {
253	285	midcom::get()->cache->memcache->update_parent_data($object_guid, $parent_data);
254		}
255		}
256
257		// Remember this so we don't need to get it again
258	287	$cached_parent_data[$object_guid] = $parent_data;
259
260	287	return $parent_data;
261		}
262
263	286	private function _get_parent_guid_uncached(midcom_core_dbaobject $object) : array
264		{
265	286	if (method_exists($object, 'get_parent_guid_uncached')) {
266	29	return ['', $object->get_parent_guid_uncached()];
267		}
268
269	272	$candidates = $this->_get_parent_candidates($object->__mgdschema_class_name__);
270
271	272	foreach ($candidates as $data) {
272	198	$parent_guid = $this->_load_guid($data['target_class'], $data['target_property'], $object->{$data['source_property']});
273	198	if (null !== $parent_guid) {
274	147	return [$data['target_class'], $parent_guid];
275		}
276		}
277	206	return ['', null];
278		}
279
280		/**
281		* Get the GUID of the object's parent. This is done by reading up or parent
282		* property values, which will give us the parent's ID
283		*/
284	2	private function _get_parent_guid_uncached_static(string $object_guid, string $class_name) : array
285		{
286	2	if (method_exists($class_name, 'get_parent_guid_uncached_static')) {
287		return ['', $class_name::get_parent_guid_uncached_static($object_guid)];
288		}
289
290	2	$class_name = midcom::get()->dbclassloader->get_mgdschema_class_name_for_midcom_class($class_name);
291	2	$candidates = $this->_get_parent_candidates($class_name);
292
293	2	foreach ($candidates as $data) {
294	2	$mc = new midgard_collector($class_name, 'guid', $object_guid);
295	2	$mc->set_key_property($data['source_property']);
296	2	$mc->execute();
297	2	$link_values = $mc->list_keys();
298
299	2	if (empty($link_values)) {
300		continue;
301		}
302	2	$link_value = key($link_values);
303	2	$parent_guid = $this->_load_guid($data['target_class'], $data['target_property'], $link_value);
304	2	if (null !== $parent_guid) {
305	2	return [$data['target_class'], $parent_guid];
306		}
307		}
308		return ['', null];
309		}
310
311	199	private function _load_guid(string $target_class, string $target_property, $link_value) : ?string
312		{
313	199	if (empty($link_value)) {
314	125	return null;
315		}
316	148	if (!array_key_exists($target_class, $this->_parent_mapping)) {
317	8	$this->_parent_mapping[$target_class] = [];
318		}
319	148	if (array_key_exists($link_value, $this->_parent_mapping[$target_class])) {
320	147	return $this->_parent_mapping[$target_class][$link_value];
321		}
322	90	$this->_parent_mapping[$target_class][$link_value] = null;
323
324	90	$mc2 = new midgard_collector($target_class, $target_property, $link_value);
325	90	$mc2->set_key_property('guid');
326	90	$mc2->execute();
327	90	$guids = $mc2->list_keys();
328	90	if (!empty($guids)) {
329	90	$this->_parent_mapping[$target_class][$link_value] = key($guids);
330		}
331	90	return $this->_parent_mapping[$target_class][$link_value];
332		}
333
334	273	private function _get_parent_candidates(string $classname) : array
335		{
336	273	if (!isset($this->_parent_candidates[$classname])) {
337	23	$this->_parent_candidates[$classname] = [];
338	23	$reflector = new midgard_reflection_property($classname);
339	23	$up_property = midgard_object_class::get_property_up($classname);
340	23	$parent_property = midgard_object_class::get_property_parent($classname);
341
342	23	if ($up_property) {
343	8	$this->_parent_candidates[$classname][] = [
344	8	'source_property' => $up_property,
345	8	'target_property' => $reflector->get_link_target($up_property),
346	8	'target_class' => $reflector->get_link_name($up_property),
347		];
348		}
349
350	23	if ( $parent_property
351	23	&& $reflector->get_link_target($parent_property)) {
352	14	$target_class = $reflector->get_link_name($parent_property);
353	14	if ($target_class == 'midgard_person') {
354		$person_class = midcom::get()->config->get('person_class');
355		if ($person_class != 'midgard_person') {
356		$target_class = $person_class;
357		}
358		}
359	14	$this->_parent_candidates[$classname][] = [
360	14	'source_property' => $parent_property,
361	14	'target_property' => $reflector->get_link_target($parent_property),
362	14	'target_class' => $target_class,
363		];
364		}
365		// FIXME: Handle GUID linking
366		}
367	273	return $this->_parent_candidates[$classname];
368		}
369		}
370

flack / openpsa

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midcom_helper__dbfactory::get_parent_data() A

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