MetadataProvider::calculateRoundTripRelationsSecondPass() - Code Metrics - Inspection of "WIP: Expand polymorphic relation collection" - Algo-Web/POData-Laravel - Measure and Improve Code Quality continuously with Scrutinizer

Test Failed

Pull Request — master (#85)

by Alex

created 2017-08-05 17:39 UTC

calculateRoundTripRelationsSecondPass() B

↳ Parent: MetadataProvider

Complexity

Conditions	6
Paths	6

Size

Total Lines	45
Code Lines	31

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	42

Importance

Changes

Metric	Value
c	0
b	0
f	0
dl	0
loc	45
ccs	0
cts	0
cp	0
rs	8.439
cc	6
eloc	31
nc	6
nop	2
crap	42

<?php

namespace AlgoWeb\PODataLaravel\Providers;

use Illuminate\Support\Facades\App;
use Illuminate\Support\ServiceProvider;
use Illuminate\Support\Facades\Cache;
use POData\Providers\Metadata\IMetadataProvider;
use POData\Providers\Metadata\ResourceEntityType;
use POData\Providers\Metadata\ResourceType;
use POData\Providers\Metadata\SimpleMetadataProvider;
use Illuminate\Support\Facades\Route;
use Illuminate\Support\Facades\Schema as Schema;

class MetadataProvider extends MetadataBaseProvider
{
    protected $multConstraints = [ '0..1' => ['1'], '1' => ['0..1', '*'], '*' => ['1', '*']];
    protected static $metaNAMESPACE = 'Data';

    /**
     * Bootstrap the application services.  Post-boot.
     *
     * @return void
     */
    public function boot()
    {
        self::$metaNAMESPACE = env('ODataMetaNamespace', 'Data');
        // If we aren't migrated, there's no DB tables to pull metadata _from_, so bail out early
        try {
            if (!Schema::hasTable(config('database.migrations'))) {
                return;
            }
        } catch (\Exception $e) {
            return;
        }

        $isCaching = true === $this->getIsCaching();
        $meta = Cache::get('metadata');
        $hasCache = null != $meta;

        if ($isCaching && $hasCache) {
            App::instance('metadata', $meta);
            return;
        }
        $meta = App::make('metadata');

        $stdRef = new \ReflectionClass(new \stdClass());
        $meta->addEntityType($stdRef, 'polyMorphicPlaceholder', true, null);

        $modelNames = $this->getCandidateModels();

        list($entityTypes) = $this->getEntityTypesAndResourceSets($meta, $modelNames);

        // need to lift EntityTypes
        $biDirect = $this->calculateRoundTripRelations();

        $groups = $this->getPolymorphicRelationGroups();
$myVar = 'Value';
$higher = false;

if (rand(1, 6) > 3) {
    $higher = true;
} else {
    $higher = false;
}

        // now that endpoints are hooked up, tackle the relationships
        // if we'd tried earlier, we'd be guaranteed to try to hook a relation up to null, which would be bad
        foreach ($biDirect as $line) {
            $this->processRelationLine($line, $entityTypes, $meta);
        }

        $key = 'metadata';
        $this->handlePostBoot($isCaching, $hasCache, $key, $meta);
    }

    /**
     * Register the application services.  Boot-time only.
     *
     * @return void
     */
    public function register()
    {
        $this->app->singleton('metadata', function ($app) {

            return new SimpleMetadataProvider('Data', self::$metaNAMESPACE);
        });
    }

    /**
     * @return array
     */
    protected function getCandidateModels()
    {
        $classes = $this->getClassMap();
        $ends = [];
        $startName = defined('PODATA_LARAVEL_APP_ROOT_NAMESPACE') ? PODATA_LARAVEL_APP_ROOT_NAMESPACE : 'App';
        foreach ($classes as $name) {
            if (\Illuminate\Support\Str::startsWith($name, $startName)) {
                if (in_array('AlgoWeb\\PODataLaravel\\Models\\MetadataTrait', class_uses($name))) {
                    $ends[] = $name;
                }
            }
        }
        return $ends;
    }

    /**
     * @param $meta
     * @param $ends
     * @return array[]
     */
    protected function getEntityTypesAndResourceSets($meta, $ends)
    {
        assert($meta instanceof IMetadataProvider, get_class($meta));
        $entityTypes = [];
        $resourceSets = [];
        $begins = [];
        $numEnds = count($ends);

        for ($i = 0; $i < $numEnds; $i++) {
            $bitter = $ends[$i];
            $fqModelName = $bitter;

            $instance = App::make($fqModelName);
            $name = strtolower($instance->getEndpointName());
            $metaSchema = $instance->getXmlSchema();

            // if for whatever reason we don't get an XML schema, move on to next entry and drop current one from
            // further processing
            if (null == $metaSchema) {
                continue;
            }
            $entityTypes[$fqModelName] = $metaSchema;
            $resourceSets[$fqModelName] = $meta->addResourceSet($name, $metaSchema);
            $begins[] = $bitter;
        }

        return [$entityTypes, $resourceSets, $begins];
    }

    public function calculateRoundTripRelations()
    {
        $modelNames = $this->getCandidateModels();

        $hooks = [];
        foreach ($modelNames as $name) {
            $model = new $name();
            $rels = $model->getRelationships();
            // it doesn't matter if a model has no relationships here, that lack will simply be skipped over
            // during hookup processing
            $hooks[$name] = $rels;
        }

        // model relation gubbins are assembled, now the hard bit starts
        // storing assembled bidirectional relationship schema
        $rawLines = [];
        // storing unprocessed relation gubbins for second-pass processing
        $remix = [];
        $this->calculateRoundTripRelationsFirstPass($hooks, $rawLines, $remix);

        // now for second processing pass, to pick up stuff that first didn't handle
        $rawLines = $this->calculateRoundTripRelationsSecondPass($remix, $rawLines);

        // deduplicate rawLines - can't use array_unique as array value elements are themselves arrays
        $lines = [];
        foreach ($rawLines as $line) {
            if (!in_array($line, $lines)) {
                $lines[] = $line;
            }
        }

        return $lines;
    }

    public function getPolymorphicRelationGroups()
    {
        $modelNames = $this->getCandidateModels();

        $knownSide = [];
        $unknownSide = [];

        $hooks = [];
        // fish out list of polymorphic-affected models for further processing
        foreach ($modelNames as $name) {
            $model = new $name();
            $isPoly = false;
            if ($model->isKnownPolymorphSide()) {
                $knownSide[$name] = [];
                $isPoly = true;
            }
            if ($model->isUnknownPolymorphSide()) {
                $unknownSide[$name] = [];
                $isPoly = true;
            }
            if (false === $isPoly) {
                continue;
            }

            $rels = $model->getRelationships();
            // it doesn't matter if a model has no relationships here, that lack will simply be skipped over
            // during hookup processing
            $hooks[$name] = $rels;
        }
        // ensure we've only loaded up polymorphic-affected models
        $knownKeys = array_keys($knownSide);
        $unknownKeys = array_keys($unknownSide);
        $dualKeys = array_intersect($knownKeys, $unknownKeys);
        assert(count($hooks) == (count($unknownKeys) + count($knownKeys) - count($dualKeys)));
        // if either list is empty, bail out - there's nothing to do
        if (0 === count($knownSide) || 0 === count($unknownSide)) {
            return [];
        }

        // commence primary ignition

        foreach ($unknownKeys as $key) {
            assert(isset($hooks[$key]));
            $hook = $hooks[$key];
            foreach ($hook as $barb) {
                foreach ($barb as $knownType => $propData) {
                    if (in_array($knownType, $knownKeys)) {
                        if (!isset($knownSide[$knownType][$key])) {
                            $knownSide[$knownType][$key] = [];
                        }
                        assert(isset($knownSide[$knownType][$key]));
                        $knownSide[$knownType][$key][] = $propData['property'];
                    }
                }
            }
        }

        return $knownSide;
    }

    /**
     * @param $remix
     * @param $lines
     * @return array
     */
    private function calculateRoundTripRelationsSecondPass($remix, $lines)
    {
        foreach ($remix as $principalType => $value) {
            foreach ($value as $fk => $localRels) {
                foreach ($localRels as $dependentType => $deets) {
                    $principalMult = $deets['multiplicity'];
                    $principalProperty = $deets['property'];
                    $principalKey = $deets['local'];

                    if (!isset($remix[$dependentType])) {
                        continue;
                    }
                    $foreign = $remix[$dependentType];
                    if (!isset($foreign[$principalKey])) {
                        continue;
                    }
                    $foreign = $foreign[$principalKey];
                    $dependentMult = $foreign[$dependentType]['multiplicity'];
                    $dependentProperty = $foreign[$dependentType]['property'];
                    assert(
                        in_array($dependentMult, $this->multConstraints[$principalMult]),
                        'Cannot pair multiplicities ' . $dependentMult . ' and ' . $principalMult
                    );
                    assert(
                        in_array($principalMult, $this->multConstraints[$dependentMult]),
                        'Cannot pair multiplicities ' . $principalMult . ' and ' . $dependentMult
                    );
                    // generate forward and reverse relations
                    list($forward, $reverse) = $this->calculateRoundTripRelationsGenForwardReverse(
                        $principalType,
                        $principalMult,
                        $principalProperty,
                        $dependentType,
                        $dependentMult,
                        $dependentProperty
                    );
                    // add forward relation
                    $lines[] = $forward;
                    // add reverse relation
                    $lines[] = $reverse;
                }
            }
        }
        return $lines;
    }

    /**
     * @param $hooks
     * @param $lines
     * @param $remix
     */
    private function calculateRoundTripRelationsFirstPass($hooks, &$lines, &$remix)
    {
        foreach ($hooks as $principalType => $value) {
            foreach ($value as $fk => $localRels) {
                foreach ($localRels as $dependentType => $deets) {
                    if (!isset($hooks[$dependentType])) {
                        continue;
                    }
                    $principalMult = $deets['multiplicity'];
                    $principalProperty = $deets['property'];
                    $principalKey = $deets['local'];

                    $foreign = $hooks[$dependentType];
                    $foreign = null != $foreign && isset($foreign[$principalKey]) ? $foreign[$principalKey] : null;

                    if (null != $foreign && isset($foreign[$principalType])) {
                        $foreign = $foreign[$principalType];
                        $dependentMult = $foreign['multiplicity'];
                        $dependentProperty = $foreign['property'];
                        assert(
                            in_array($dependentMult, $this->multConstraints[$principalMult]),
                            'Cannot pair multiplicities ' . $dependentMult . ' and ' . $principalMult
                        );
                        assert(
                            in_array($principalMult, $this->multConstraints[$dependentMult]),
                            'Cannot pair multiplicities ' . $principalMult . ' and ' . $dependentMult
                        );
                        // generate forward and reverse relations
                        list($forward, $reverse) = $this->calculateRoundTripRelationsGenForwardReverse(
                            $principalType,
                            $principalMult,
                            $principalProperty,
                            $dependentType,
                            $dependentMult,
                            $dependentProperty
                        );
                        // add forward relation
                        $lines[] = $forward;
                        // add reverse relation
                        $lines[] = $reverse;
                    } else {
                        if (!isset($remix[$principalType])) {
                            $remix[$principalType] = [];
                        }
                        if (!isset($remix[$principalType][$fk])) {
                            $remix[$principalType][$fk] = [];
                        }
                        if (!isset($remix[$principalType][$fk][$dependentType])) {
                            $remix[$principalType][$fk][$dependentType] = $deets;
                        }
                        assert(isset($remix[$principalType][$fk][$dependentType]));
                    }
                }
            }
        }
    }

    /**
     * @param $principalType
     * @param $principalMult
     * @param $principalProperty
     * @param $dependentType
     * @param $dependentMult
     * @param $dependentProperty
     * @return array[]
     */
    private function calculateRoundTripRelationsGenForwardReverse(
        $principalType,
        $principalMult,
        $principalProperty,
        $dependentType,
        $dependentMult,
        $dependentProperty
    ) {
        $forward = [
            'principalType' => $principalType,
            'principalMult' => $dependentMult,
            'principalProp' => $principalProperty,
            'dependentType' => $dependentType,
            'dependentMult' => $principalMult,
            'dependentProp' => $dependentProperty
        ];
        $reverse = [
            'principalType' => $dependentType,
            'principalMult' => $principalMult,
            'principalProp' => $dependentProperty,
            'dependentType' => $principalType,
            'dependentMult' => $dependentMult,
            'dependentProp' => $principalProperty
        ];
        return [$forward, $reverse];
    }

    private function processRelationLine($line, $entityTypes, &$meta)
    {
        $principalType = $line['principalType'];
        $principalMult = $line['principalMult'];
        $principalProp = $line['principalProp'];
        $dependentType = $line['dependentType'];
        $dependentMult = $line['dependentMult'];
        $dependentProp = $line['dependentProp'];
        if (!isset($entityTypes[$principalType]) || !isset($entityTypes[$dependentType])) {
            return;
        }
        $principal = $entityTypes[$principalType];
        $dependent = $entityTypes[$dependentType];
        //many-to-many
        if ('*' == $principalMult && '*' == $dependentMult) {
            $meta->addResourceSetReferencePropertyBidirectional(
                $principal,
                $dependent,
                $principalProp,
                $dependentProp
            );
            return;
        }
        //one-to-one
        if ('0..1' == $principalMult || '0..1' == $dependentMult) {
            assert($principalMult != $dependentMult, 'Cannot have both ends with 0..1 multiplicity');
            $meta->addResourceReferenceSinglePropertyBidirectional(
                $principal,
                $dependent,
                $principalProp,
                $dependentProp
            );
            return;
        }
        assert($principalMult != $dependentMult, 'Cannot have both ends same multiplicity for 1:N relation');
        //principal-one-to-dependent-many
        if ('*' == $principalMult) {
            $meta->addResourceReferencePropertyBidirectional(
                $principal,
                $dependent,
                $principalProp,
                $dependentProp
            );
            return;
        }
        //dependent-one-to-principal-many
        $meta->addResourceReferencePropertyBidirectional(
            $dependent,
            $principal,
            $dependentProp,
            $principalProp
        );
        return;
    }
}


1		<?php
2
3		namespace AlgoWeb\PODataLaravel\Providers;
4
5		use Illuminate\Support\Facades\App;
6		use Illuminate\Support\ServiceProvider;
7		use Illuminate\Support\Facades\Cache;
8		use POData\Providers\Metadata\IMetadataProvider;
9		use POData\Providers\Metadata\ResourceEntityType;
10		use POData\Providers\Metadata\ResourceType;
11		use POData\Providers\Metadata\SimpleMetadataProvider;
12		use Illuminate\Support\Facades\Route;
13		use Illuminate\Support\Facades\Schema as Schema;
14
15		class MetadataProvider extends MetadataBaseProvider
16		{
17		protected $multConstraints = [ '0..1' => ['1'], '1' => ['0..1', ''], '' => ['1', '*']];
18		protected static $metaNAMESPACE = 'Data';
19
20	1	/**
21		* Bootstrap the application services. Post-boot.
22	1	*
23		* @return void
24		*/
25	1	public function boot()
26		{
27		self::$metaNAMESPACE = env('ODataMetaNamespace', 'Data');
28	1	// If we aren't migrated, there's no DB tables to pull metadata _from_, so bail out early
29	1	try {
30		if (!Schema::hasTable(config('database.migrations'))) {
31		return;
32		}
33		} catch (\Exception $e) {
34		return;
35		}
36
37		$isCaching = true === $this->getIsCaching();
38		$meta = Cache::get('metadata');
39		$hasCache = null != $meta;
40
41		if ($isCaching && $hasCache) {
42		App::instance('metadata', $meta);
43		return;
44		}
45		$meta = App::make('metadata');
46
47		$stdRef = new \ReflectionClass(new \stdClass());
48		$meta->addEntityType($stdRef, 'polyMorphicPlaceholder', true, null);
49
50		$modelNames = $this->getCandidateModels();
51
52		list($entityTypes) = $this->getEntityTypesAndResourceSets($meta, $modelNames);
53
54		// need to lift EntityTypes
55		$biDirect = $this->calculateRoundTripRelations();
56
57		$groups = $this->getPolymorphicRelationGroups();
		0 ignored issues – show Unused Code introduced 2017-08-05 17:45 UTC by Report Bug Copy Issue Report `$groups` is not used, you could remove the assignment. This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently. $myVar = 'Value'; $higher = false; if (rand(1, 6) > 3) { $higher = true; } else { $higher = false; } Both the `$myVar` assignment in line 1 and the `$higher` assignment in line 2 are dead. The first because `$myVar` is never used and the second because `$higher` is always overwritten for every possible time line. Loading history...
58
59		// now that endpoints are hooked up, tackle the relationships
60		// if we'd tried earlier, we'd be guaranteed to try to hook a relation up to null, which would be bad
61		foreach ($biDirect as $line) {
62		$this->processRelationLine($line, $entityTypes, $meta);
63		}
64
65		$key = 'metadata';
66		$this->handlePostBoot($isCaching, $hasCache, $key, $meta);
67		}
68
69		/**
70		* Register the application services. Boot-time only.
71		*
72		* @return void
73		*/
74		public function register()
75		{
76		$this->app->singleton('metadata', function ($app) {
		0 ignored issues – show Unused Code introduced 2016-11-01 11:02 UTC by Report Bug Copy Issue Report The parameter `$app` is not used and could be removed. This check looks from parameters that have been defined for a function or method, but which are not used in the method body. Loading history...
77		return new SimpleMetadataProvider('Data', self::$metaNAMESPACE);
78		});
79		}
80
81		/**
82		* @return array
83		*/
84		protected function getCandidateModels()
85		{
86		$classes = $this->getClassMap();
87		$ends = [];
88		$startName = defined('PODATA_LARAVEL_APP_ROOT_NAMESPACE') ? PODATA_LARAVEL_APP_ROOT_NAMESPACE : 'App';
89		foreach ($classes as $name) {
90		if (\Illuminate\Support\Str::startsWith($name, $startName)) {
91		if (in_array('AlgoWeb\\PODataLaravel\\Models\\MetadataTrait', class_uses($name))) {
92		$ends[] = $name;
93		}
94		}
95		}
96		return $ends;
97		}
98
99		/**
100		* @param $meta
101		* @param $ends
102		* @return array[]
103		*/
104		protected function getEntityTypesAndResourceSets($meta, $ends)
105		{
106		assert($meta instanceof IMetadataProvider, get_class($meta));
107		$entityTypes = [];
108		$resourceSets = [];
109		$begins = [];
110		$numEnds = count($ends);
111
112		for ($i = 0; $i < $numEnds; $i++) {
113		$bitter = $ends[$i];
114		$fqModelName = $bitter;
115
116		$instance = App::make($fqModelName);
117		$name = strtolower($instance->getEndpointName());
118		$metaSchema = $instance->getXmlSchema();
119
120		// if for whatever reason we don't get an XML schema, move on to next entry and drop current one from
121		// further processing
122		if (null == $metaSchema) {
123		continue;
124		}
125		$entityTypes[$fqModelName] = $metaSchema;
126		$resourceSets[$fqModelName] = $meta->addResourceSet($name, $metaSchema);
127		$begins[] = $bitter;
128		}
129
130		return [$entityTypes, $resourceSets, $begins];
131		}
132
133		public function calculateRoundTripRelations()
134		{
135		$modelNames = $this->getCandidateModels();
136
137		$hooks = [];
138		foreach ($modelNames as $name) {
139		$model = new $name();
140		$rels = $model->getRelationships();
141		// it doesn't matter if a model has no relationships here, that lack will simply be skipped over
142		// during hookup processing
143		$hooks[$name] = $rels;
144		}
145
146		// model relation gubbins are assembled, now the hard bit starts
147		// storing assembled bidirectional relationship schema
148		$rawLines = [];
149		// storing unprocessed relation gubbins for second-pass processing
150		$remix = [];
151		$this->calculateRoundTripRelationsFirstPass($hooks, $rawLines, $remix);
152
153		// now for second processing pass, to pick up stuff that first didn't handle
154		$rawLines = $this->calculateRoundTripRelationsSecondPass($remix, $rawLines);
155
156		// deduplicate rawLines - can't use array_unique as array value elements are themselves arrays
157		$lines = [];
158		foreach ($rawLines as $line) {
159		if (!in_array($line, $lines)) {
160		$lines[] = $line;
161		}
162		}
163
164		return $lines;
165		}
166
167		public function getPolymorphicRelationGroups()
168		{
169		$modelNames = $this->getCandidateModels();
170
171		$knownSide = [];
172		$unknownSide = [];
173
174		$hooks = [];
175		// fish out list of polymorphic-affected models for further processing
176		foreach ($modelNames as $name) {
177		$model = new $name();
178		$isPoly = false;
179		if ($model->isKnownPolymorphSide()) {
180		$knownSide[$name] = [];
181		$isPoly = true;
182		}
183		if ($model->isUnknownPolymorphSide()) {
184		$unknownSide[$name] = [];
185		$isPoly = true;
186		}
187		if (false === $isPoly) {
188		continue;
189		}
190
191		$rels = $model->getRelationships();
192		// it doesn't matter if a model has no relationships here, that lack will simply be skipped over
193		// during hookup processing
194		$hooks[$name] = $rels;
195		}
196		// ensure we've only loaded up polymorphic-affected models
197		$knownKeys = array_keys($knownSide);
198		$unknownKeys = array_keys($unknownSide);
199		$dualKeys = array_intersect($knownKeys, $unknownKeys);
200		assert(count($hooks) == (count($unknownKeys) + count($knownKeys) - count($dualKeys)));
201		// if either list is empty, bail out - there's nothing to do
202		if (0 === count($knownSide) \|\| 0 === count($unknownSide)) {
203		return [];
204		}
205
206		// commence primary ignition
207
208		foreach ($unknownKeys as $key) {
209		assert(isset($hooks[$key]));
210		$hook = $hooks[$key];
211		foreach ($hook as $barb) {
212		foreach ($barb as $knownType => $propData) {
213		if (in_array($knownType, $knownKeys)) {
214		if (!isset($knownSide[$knownType][$key])) {
215		$knownSide[$knownType][$key] = [];
216		}
217		assert(isset($knownSide[$knownType][$key]));
218		$knownSide[$knownType][$key][] = $propData['property'];
219		}
220		}
221		}
222		}
223
224		return $knownSide;
225		}
226
227		/**
228		* @param $remix
229		* @param $lines
230		* @return array
231		*/
232		private function calculateRoundTripRelationsSecondPass($remix, $lines)
233		{
234		foreach ($remix as $principalType => $value) {
235		foreach ($value as $fk => $localRels) {
236		foreach ($localRels as $dependentType => $deets) {
237		$principalMult = $deets['multiplicity'];
238		$principalProperty = $deets['property'];
239		$principalKey = $deets['local'];
240
241		if (!isset($remix[$dependentType])) {
242		continue;
243		}
244		$foreign = $remix[$dependentType];
245		if (!isset($foreign[$principalKey])) {
246		continue;
247		}
248		$foreign = $foreign[$principalKey];
249		$dependentMult = $foreign[$dependentType]['multiplicity'];
250		$dependentProperty = $foreign[$dependentType]['property'];
251		assert(
252		in_array($dependentMult, $this->multConstraints[$principalMult]),
253		'Cannot pair multiplicities ' . $dependentMult . ' and ' . $principalMult
254		);
255		assert(
256		in_array($principalMult, $this->multConstraints[$dependentMult]),
257		'Cannot pair multiplicities ' . $principalMult . ' and ' . $dependentMult
258		);
259		// generate forward and reverse relations
260		list($forward, $reverse) = $this->calculateRoundTripRelationsGenForwardReverse(
261		$principalType,
262		$principalMult,
263		$principalProperty,
264		$dependentType,
265		$dependentMult,
266		$dependentProperty
267		);
268		// add forward relation
269		$lines[] = $forward;
270		// add reverse relation
271		$lines[] = $reverse;
272		}
273		}
274		}
275		return $lines;
276		}
277
278		/**
279		* @param $hooks
280		* @param $lines
281		* @param $remix
282		*/
283		private function calculateRoundTripRelationsFirstPass($hooks, &$lines, &$remix)
284		{
285		foreach ($hooks as $principalType => $value) {
286		foreach ($value as $fk => $localRels) {
287		foreach ($localRels as $dependentType => $deets) {
288		if (!isset($hooks[$dependentType])) {
289		continue;
290		}
291		$principalMult = $deets['multiplicity'];
292		$principalProperty = $deets['property'];
293		$principalKey = $deets['local'];
294
295		$foreign = $hooks[$dependentType];
296		$foreign = null != $foreign && isset($foreign[$principalKey]) ? $foreign[$principalKey] : null;
297
298		if (null != $foreign && isset($foreign[$principalType])) {
299		$foreign = $foreign[$principalType];
300		$dependentMult = $foreign['multiplicity'];
301		$dependentProperty = $foreign['property'];
302		assert(
303		in_array($dependentMult, $this->multConstraints[$principalMult]),
304		'Cannot pair multiplicities ' . $dependentMult . ' and ' . $principalMult
305		);
306		assert(
307		in_array($principalMult, $this->multConstraints[$dependentMult]),
308		'Cannot pair multiplicities ' . $principalMult . ' and ' . $dependentMult
309		);
310		// generate forward and reverse relations
311		list($forward, $reverse) = $this->calculateRoundTripRelationsGenForwardReverse(
312		$principalType,
313		$principalMult,
314		$principalProperty,
315		$dependentType,
316		$dependentMult,
317		$dependentProperty
318		);
319		// add forward relation
320		$lines[] = $forward;
321		// add reverse relation
322		$lines[] = $reverse;
323		} else {
324		if (!isset($remix[$principalType])) {
325		$remix[$principalType] = [];
326		}
327		if (!isset($remix[$principalType][$fk])) {
328		$remix[$principalType][$fk] = [];
329		}
330		if (!isset($remix[$principalType][$fk][$dependentType])) {
331		$remix[$principalType][$fk][$dependentType] = $deets;
332		}
333		assert(isset($remix[$principalType][$fk][$dependentType]));
334		}
335		}
336		}
337		}
338		}
339
340		/**
341		* @param $principalType
342		* @param $principalMult
343		* @param $principalProperty
344		* @param $dependentType
345		* @param $dependentMult
346		* @param $dependentProperty
347		* @return array[]
348		*/
349		private function calculateRoundTripRelationsGenForwardReverse(
350		$principalType,
351		$principalMult,
352		$principalProperty,
353		$dependentType,
354		$dependentMult,
355		$dependentProperty
356		) {
357		$forward = [
358		'principalType' => $principalType,
359		'principalMult' => $dependentMult,
360		'principalProp' => $principalProperty,
361		'dependentType' => $dependentType,
362		'dependentMult' => $principalMult,
363		'dependentProp' => $dependentProperty
364		];
365		$reverse = [
366		'principalType' => $dependentType,
367		'principalMult' => $principalMult,
368		'principalProp' => $dependentProperty,
369		'dependentType' => $principalType,
370		'dependentMult' => $dependentMult,
371		'dependentProp' => $principalProperty
372		];
373		return [$forward, $reverse];
374		}
375
376		private function processRelationLine($line, $entityTypes, &$meta)
377		{
378		$principalType = $line['principalType'];
379		$principalMult = $line['principalMult'];
380		$principalProp = $line['principalProp'];
381		$dependentType = $line['dependentType'];
382		$dependentMult = $line['dependentMult'];
383		$dependentProp = $line['dependentProp'];
384		if (!isset($entityTypes[$principalType]) \|\| !isset($entityTypes[$dependentType])) {
385		return;
386		}
387		$principal = $entityTypes[$principalType];
388		$dependent = $entityTypes[$dependentType];
389		//many-to-many
390		if ('' == $principalMult && '' == $dependentMult) {
391		$meta->addResourceSetReferencePropertyBidirectional(
392		$principal,
393		$dependent,
394		$principalProp,
395		$dependentProp
396		);
397		return;
398		}
399		//one-to-one
400		if ('0..1' == $principalMult \|\| '0..1' == $dependentMult) {
401		assert($principalMult != $dependentMult, 'Cannot have both ends with 0..1 multiplicity');
402		$meta->addResourceReferenceSinglePropertyBidirectional(
403		$principal,
404		$dependent,
405		$principalProp,
406		$dependentProp
407		);
408		return;
409		}
410		assert($principalMult != $dependentMult, 'Cannot have both ends same multiplicity for 1:N relation');
411		//principal-one-to-dependent-many
412		if ('*' == $principalMult) {
413		$meta->addResourceReferencePropertyBidirectional(
414		$principal,
415		$dependent,
416		$principalProp,
417		$dependentProp
418		);
419		return;
420		}
421		//dependent-one-to-principal-many
422		$meta->addResourceReferencePropertyBidirectional(
423		$dependent,
424		$principal,
425		$dependentProp,
426		$principalProp
427		);
428		return;
429		}
430		}
431

Algo-Web / POData-Laravel

Pull Request — master (#85)

calculateRoundTripRelationsSecondPass() B

Complexity

Size

Duplication

Code Coverage

Importance

Duplication Side-by-Side

Filter issues like