Uploader::deleteFiles() - Code Metrics - Inspection of "Uploaders - Refactor and fixes" - Laravel-Backpack/CRUD - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — main (#5478)

by Cristian

created 2024-05-26 08:52 UTC

Uploader::deleteFiles() B

↳ Parent: Uploader

Complexity

Conditions	8
Paths	19

Size

Total Lines	33
Code Lines	18

Duplication

Lines	0
Ratio	0 %

Importance

Changes	6
Bugs	4	Features	1

Metric	Value
cc	8
eloc	18
c	6
b	4
f	1
nc	19
nop	1
dl	0
loc	33
rs	8.4444

<?php

namespace Backpack\CRUD\app\Library\Uploaders;

use Backpack\CRUD\app\Library\Uploaders\Support\Interfaces\UploaderInterface;
use Backpack\CRUD\app\Library\Uploaders\Support\Traits\HandleFileNaming;
use Backpack\CRUD\app\Library\Uploaders\Support\Traits\HandleRepeatableUploads;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\SoftDeletes;
use Illuminate\Support\Facades\Storage;
use Illuminate\Support\Str;

abstract class Uploader implements UploaderInterface
{
    use HandleFileNaming;
    use HandleRepeatableUploads;


    private string $name;

    private string $disk = 'public';

    private string $path = '';

    private bool $handleMultipleFiles = false;

    private bool $deleteWhenEntryIsDeleted = true;

    private bool|string $attachedToFakeField = false;

    /**
     * Cloud disks have the ability to generate temporary URLs to files, should we do it?
     */
    private bool $useTemporaryUrl = false;

    /**
     * When using temporary urls, define the time that the url will be valid.
     */
    private int $temporaryUrlExpirationTimeInMinutes = 1;

    /**
     * Indicates if the upload is relative to a relationship field/column.
     */
    private bool $isRelationship = false;

    /**
     * When previous files are updated, we need to keep track of them so that we don't add deleted files to the new list.
     */
    private $updatedPreviousFiles = null;

    public function __construct(array $crudObject, array $configuration)
    {
        $this->name = $crudObject['name'];
        $this->disk = $configuration['disk'] ?? $crudObject['disk'] ?? $this->disk;
        $this->path = $this->getPathFromConfiguration($crudObject, $configuration);
        $this->attachedToFakeField = isset($crudObject['fake']) && $crudObject['fake'] ? ($crudObject['store_in'] ?? 'extras') : ($crudObject['store_in'] ?? false);
        $this->useTemporaryUrl = $configuration['temporaryUrl'] ?? $this->useTemporaryUrl;
        $this->temporaryUrlExpirationTimeInMinutes = $configuration['temporaryUrlExpirationTime'] ?? $this->temporaryUrlExpirationTimeInMinutes;
        $this->deleteWhenEntryIsDeleted = $configuration['deleteWhenEntryIsDeleted'] ?? $this->deleteWhenEntryIsDeleted;
        $this->fileNamer = is_callable($configuration['fileNamer'] ?? null) ? $configuration['fileNamer'] : $this->getFileNameGeneratorInstance($configuration['fileNamer'] ?? null);
    }

    /*******************************
     * Static methods
     *******************************/
    public static function for(array $crudObject, array $definition): UploaderInterface
    {
        return new static($crudObject, $definition);
    }

    /*******************************
     * public methods - event handler methods
     *******************************/
    public function storeUploadedFiles(Model $entry): Model
    {
        if ($this->handleRepeatableFiles) {
            return $this->handleRepeatableFiles($entry);
        }

        if ($this->attachedToFakeField) {
            $fakeFieldValue = $entry->{$this->attachedToFakeField};
            $fakeFieldValue = is_string($fakeFieldValue) ? json_decode($fakeFieldValue, true) : (array) $fakeFieldValue;
            $fakeFieldValue[$this->getAttributeName()] = $this->uploadFiles($entry);
class A
{
    function getObject()
    {
        return null;
    }

}

$a = new A();
$object = $a->getObject();

            $entry->{$this->attachedToFakeField} = isset($entry->getCasts()[$this->attachedToFakeField]) ? $fakeFieldValue : json_encode($fakeFieldValue);

            return $entry;
        }

        $entry->{$this->getAttributeName()} = $this->uploadFiles($entry);
class A
{
    function getObject()
    {
        return null;
    }

}

$a = new A();
$object = $a->getObject();

        return $entry;
    }

    public function retrieveUploadedFiles(Model $entry): Model
    {
        if ($this->handleRepeatableFiles) {
            return $this->retrieveRepeatableFiles($entry);
        }

        return $this->retrieveFiles($entry);
    }

    public function deleteUploadedFiles(Model $entry): void
    {
        if ($this->deleteWhenEntryIsDeleted) {
            if (! in_array(SoftDeletes::class, class_uses_recursive($entry), true)) {
                $this->performFileDeletion($entry);

                return;
            }

            if ($entry->isForceDeleting() === true) {
                $this->performFileDeletion($entry);
            }
        }
    }

    /*******************************
     * Getters
     *******************************/
    public function getName(): string
    {
        return $this->name;
    }

    public function getAttributeName(): string
    {
        return Str::afterLast($this->name, '.');
    }

    public function getDisk(): string
    {
        return $this->disk;
    }

    public function getPath(): string
    {
        return $this->path;
    }

    public function useTemporaryUrl(): bool
    {
        return $this->useTemporaryUrl;
    }

    public function getExpirationTimeInMinutes(): int
    {
        return $this->temporaryUrlExpirationTimeInMinutes;
    }

    public function shouldDeleteFiles(): bool
    {
        return $this->deleteWhenEntryIsDeleted;
    }

    public function getIdentifier(): string
    {
        if ($this->handleRepeatableFiles) {
            return $this->repeatableContainerName.'_'.$this->name;
        }

        return $this->name;
    }

    public function getNameForRequest(): string
    {
        return $this->repeatableContainerName ?? $this->name;
    }

    public function canHandleMultipleFiles(): bool
    {
        return $this->handleMultipleFiles;
    }

    public function isRelationship(): bool
    {
        return $this->isRelationship;
    }

    public function getPreviousFiles(Model $entry): mixed
    {
        if (! $this->attachedToFakeField) {
            return $this->getOriginalValue($entry);
        }
        $value = $this->getOriginalValue($entry, $this->attachedToFakeField);
        $value = is_string($value) ? json_decode($value, true) : (array) $value;

        return $value[$this->getAttributeName()] ?? null;
    }

    public function getValueWithoutPath(?string $value = null): ?string
    {
        return $value ? Str::after($value, $this->path) : null;
    }

    public function isFake(): bool
    {
        return $this->attachedToFakeField !== false;
    }

    public function getFakeAttribute(): bool|string
    {
        return $this->attachedToFakeField;
    }

    /*******************************
     * Setters - fluently configure the uploader
     *******************************/
    public function multiple(): self
    {
        $this->handleMultipleFiles = true;

        return $this;
    }

    public function relationship(bool $isRelationship): self
    {
        $this->isRelationship = $isRelationship;

        return $this;
    }

    public function fake(bool|string $isFake): self
    {
        $this->attachedToFakeField = $isFake;

        return $this;
    }

    /*******************************
     * Default implementation functions
     *******************************/
    public function uploadFiles(Model $entry, $values = null)
    {
    }

    private function retrieveFiles(Model $entry): Model
    {
        $value = $entry->{$this->getAttributeName()};

        if ($this->attachedToFakeField) {
            $values = $entry->{$this->attachedToFakeField};

            $values = is_string($values) ? json_decode($values, true) : $values;
            $attributeValue = $values[$this->getAttributeName()] ?? null;
            $attributeValue = is_array($attributeValue) ? array_map(fn ($value) => $this->getValueWithoutPath($value), $attributeValue) : $this->getValueWithoutPath($attributeValue);
            $values[$this->getAttributeName()] = $attributeValue;
            $entry->{$this->attachedToFakeField} = isset($entry->getCasts()[$this->attachedToFakeField]) ? $values : json_encode($values);

            return $entry;
        }

        if ($this->handleMultipleFiles) {
            if (! isset($entry->getCasts()[$this->getName()]) && is_string($value)) {
                $entry->{$this->getAttributeName()} = json_decode($value, true);
            }

            return $entry;
        }

        $entry->{$this->getAttributeName()} = $this->getValueWithoutPath($value);

        return $entry;
    }

    private function deleteFiles(Model $entry)
    {
        if (! $this->shouldDeleteFiles()) {
            return;
        }

        if ($this->attachedToFakeField) {
            $values = $entry->{$this->attachedToFakeField};
            $values = is_string($values) ? json_decode($values, true) : $values;
            $values = $values[$this->getAttributeName()] ?? null;
        }

        $values ??= $entry->{$this->getAttributeName()};


        if ($values === null) {
            return;
        }

        if ($this->handleMultipleFiles) {
            // ensure we have an array of values when field is not casted in model.
            if (is_string($values)) {
                $values = json_decode($values, true);
            }
            foreach ($values ?? [] as $value) {
                $value = Str::start($value, $this->path);
                Storage::disk($this->disk)->delete($value);
            }

            return;
        }

        $values = Str::start($values, $this->path);
        Storage::disk($this->disk)->delete($values);
    }

    private function performFileDeletion(Model $entry)
    {
        if (! $this->handleRepeatableFiles) {
            $this->deleteFiles($entry);

            return;
        }

        $this->deleteRepeatableFiles($entry);
    }

    /*******************************
     * helper methods
     *******************************/
    private function getPathFromConfiguration(array $crudObject, array $configuration): string
    {
        $this->path = $configuration['path'] ?? $crudObject['prefix'] ?? $this->path;

        return empty($this->path) ? $this->path : Str::of($this->path)->finish('/')->value();
    }

    private function getOriginalValue(Model $entry, $field = null)
    {
        $field ??= $this->getAttributeName();

        if ($this->updatedPreviousFiles !== null) {
            return $this->updatedPreviousFiles;
        }

        $previousValue = $entry->getOriginal($field);

        if (! $previousValue) {
            return $previousValue;
        }

        if (
            method_exists($entry, 'translationEnabled') &&
            $entry->translationEnabled() &&
            $entry->isTranslatableAttribute($field)
        ) {
            return $previousValue[$entry->getLocale()] ?? null;
        }

        return $previousValue;
    }
}


1			<?php
2
3			namespace Backpack\CRUD\app\Library\Uploaders;
4
5			use Backpack\CRUD\app\Library\Uploaders\Support\Interfaces\UploaderInterface;
6			use Backpack\CRUD\app\Library\Uploaders\Support\Traits\HandleFileNaming;
7			use Backpack\CRUD\app\Library\Uploaders\Support\Traits\HandleRepeatableUploads;
8			use Illuminate\Database\Eloquent\Model;
9			use Illuminate\Database\Eloquent\SoftDeletes;
10			use Illuminate\Support\Facades\Storage;
11			use Illuminate\Support\Str;
12
13			abstract class Uploader implements UploaderInterface
14			{
15			use HandleFileNaming;
16			use HandleRepeatableUploads;
			0 ignored issues – show introduced 2024-01-10 15:55 UTC by Report Bug Copy Issue Report The trait `Backpack\CRUD\app\Librar...HandleRepeatableUploads` requires some properties which are not provided by `Backpack\CRUD\app\Library\Uploaders\Uploader`: `$pivot`, `$exists`, `$pivotParent` Loading history...
17
18			private string $name;
19
20			private string $disk = 'public';
21
22			private string $path = '';
23
24			private bool $handleMultipleFiles = false;
25
26			private bool $deleteWhenEntryIsDeleted = true;
27
28			private bool\|string $attachedToFakeField = false;
29
30			/**
31			* Cloud disks have the ability to generate temporary URLs to files, should we do it?
32			*/
33			private bool $useTemporaryUrl = false;
34
35			/**
36			* When using temporary urls, define the time that the url will be valid.
37			*/
38			private int $temporaryUrlExpirationTimeInMinutes = 1;
39
40			/**
41			* Indicates if the upload is relative to a relationship field/column.
42			*/
43			private bool $isRelationship = false;
44
45			/**
46			* When previous files are updated, we need to keep track of them so that we don't add deleted files to the new list.
47			*/
48			private $updatedPreviousFiles = null;
49
50			public function __construct(array $crudObject, array $configuration)
51			{
52			$this->name = $crudObject['name'];
53			$this->disk = $configuration['disk'] ?? $crudObject['disk'] ?? $this->disk;
54			$this->path = $this->getPathFromConfiguration($crudObject, $configuration);
55			$this->attachedToFakeField = isset($crudObject['fake']) && $crudObject['fake'] ? ($crudObject['store_in'] ?? 'extras') : ($crudObject['store_in'] ?? false);
56			$this->useTemporaryUrl = $configuration['temporaryUrl'] ?? $this->useTemporaryUrl;
57			$this->temporaryUrlExpirationTimeInMinutes = $configuration['temporaryUrlExpirationTime'] ?? $this->temporaryUrlExpirationTimeInMinutes;
58			$this->deleteWhenEntryIsDeleted = $configuration['deleteWhenEntryIsDeleted'] ?? $this->deleteWhenEntryIsDeleted;
59			$this->fileNamer = is_callable($configuration['fileNamer'] ?? null) ? $configuration['fileNamer'] : $this->getFileNameGeneratorInstance($configuration['fileNamer'] ?? null);
60			}
61
62			/*******************************
63			* Static methods
64			*******************************/
65			public static function for(array $crudObject, array $definition): UploaderInterface
66			{
67			return new static($crudObject, $definition);
68			}
69
70			/*******************************
71			* public methods - event handler methods
72			*******************************/
73			public function storeUploadedFiles(Model $entry): Model
74			{
75			if ($this->handleRepeatableFiles) {
76			return $this->handleRepeatableFiles($entry);
77			}
78
79			if ($this->attachedToFakeField) {
80			$fakeFieldValue = $entry->{$this->attachedToFakeField};
81			$fakeFieldValue = is_string($fakeFieldValue) ? json_decode($fakeFieldValue, true) : (array) $fakeFieldValue;
82			$fakeFieldValue[$this->getAttributeName()] = $this->uploadFiles($entry);
			0 ignored issues – show Bug introduced 2023-08-08 16:22 UTC by Report Bug Copy Issue Report Are you sure the assignment to `$fakeFieldValue[$this->getAttributeName()]` is correct as `$this->uploadFiles($entry)` targeting `Backpack\CRUD\app\Librar...Uploader::uploadFiles()` seems to always return null. This check looks for function or method calls that always return null and whose return value is assigned to a variable. class A { function getObject() { return null; } } $a = new A(); $object = $a->getObject(); The method `getObject()` can return nothing but null, so it makes no sense to assign that value to a variable. The reason is most likely that a function or method is imcomplete or has been reduced for debug purposes. Loading history...
83
84			$entry->{$this->attachedToFakeField} = isset($entry->getCasts()[$this->attachedToFakeField]) ? $fakeFieldValue : json_encode($fakeFieldValue);
85
86			return $entry;
87			}
88
89			$entry->{$this->getAttributeName()} = $this->uploadFiles($entry);
			0 ignored issues – show Bug introduced 2023-08-08 16:22 UTC by Report Bug Copy Issue Report Are you sure the assignment to `$entry->$this->getAttributeName()` is correct as `$this->uploadFiles($entry)` targeting `Backpack\CRUD\app\Librar...Uploader::uploadFiles()` seems to always return null. This check looks for function or method calls that always return null and whose return value is assigned to a variable. class A { function getObject() { return null; } } $a = new A(); $object = $a->getObject(); The method `getObject()` can return nothing but null, so it makes no sense to assign that value to a variable. The reason is most likely that a function or method is imcomplete or has been reduced for debug purposes. Loading history...
90
91			return $entry;
92			}
93
94			public function retrieveUploadedFiles(Model $entry): Model
95			{
96			if ($this->handleRepeatableFiles) {
97			return $this->retrieveRepeatableFiles($entry);
98			}
99
100			return $this->retrieveFiles($entry);
101			}
102
103			public function deleteUploadedFiles(Model $entry): void
104			{
105			if ($this->deleteWhenEntryIsDeleted) {
106			if (! in_array(SoftDeletes::class, class_uses_recursive($entry), true)) {
107			$this->performFileDeletion($entry);
108
109			return;
110			}
111
112			if ($entry->isForceDeleting() === true) {
113			$this->performFileDeletion($entry);
114			}
115			}
116			}
117
118			/*******************************
119			* Getters
120			*******************************/
121			public function getName(): string
122			{
123			return $this->name;
124			}
125
126			public function getAttributeName(): string
127			{
128			return Str::afterLast($this->name, '.');
129			}
130
131			public function getDisk(): string
132			{
133			return $this->disk;
134			}
135
136			public function getPath(): string
137			{
138			return $this->path;
139			}
140
141			public function useTemporaryUrl(): bool
142			{
143			return $this->useTemporaryUrl;
144			}
145
146			public function getExpirationTimeInMinutes(): int
147			{
148			return $this->temporaryUrlExpirationTimeInMinutes;
149			}
150
151			public function shouldDeleteFiles(): bool
152			{
153			return $this->deleteWhenEntryIsDeleted;
154			}
155
156			public function getIdentifier(): string
157			{
158			if ($this->handleRepeatableFiles) {
159			return $this->repeatableContainerName.'_'.$this->name;
160			}
161
162			return $this->name;
163			}
164
165			public function getNameForRequest(): string
166			{
167			return $this->repeatableContainerName ?? $this->name;
168			}
169
170			public function canHandleMultipleFiles(): bool
171			{
172			return $this->handleMultipleFiles;
173			}
174
175			public function isRelationship(): bool
176			{
177			return $this->isRelationship;
178			}
179
180			public function getPreviousFiles(Model $entry): mixed
181			{
182			if (! $this->attachedToFakeField) {
183			return $this->getOriginalValue($entry);
184			}
185			$value = $this->getOriginalValue($entry, $this->attachedToFakeField);
186			$value = is_string($value) ? json_decode($value, true) : (array) $value;
187
188			return $value[$this->getAttributeName()] ?? null;
189			}
190
191			public function getValueWithoutPath(?string $value = null): ?string
192			{
193			return $value ? Str::after($value, $this->path) : null;
194			}
195
196			public function isFake(): bool
197			{
198			return $this->attachedToFakeField !== false;
199			}
200
201			public function getFakeAttribute(): bool\|string
202			{
203			return $this->attachedToFakeField;
204			}
205
206			/*******************************
207			* Setters - fluently configure the uploader
208			*******************************/
209			public function multiple(): self
210			{
211			$this->handleMultipleFiles = true;
212
213			return $this;
214			}
215
216			public function relationship(bool $isRelationship): self
217			{
218			$this->isRelationship = $isRelationship;
219
220			return $this;
221			}
222
223			public function fake(bool\|string $isFake): self
224			{
225			$this->attachedToFakeField = $isFake;
226
227			return $this;
228			}
229
230			/*******************************
231			* Default implementation functions
232			*******************************/
233			public function uploadFiles(Model $entry, $values = null)
234			{
235			}
236
237			private function retrieveFiles(Model $entry): Model
238			{
239			$value = $entry->{$this->getAttributeName()};
240
241			if ($this->attachedToFakeField) {
242			$values = $entry->{$this->attachedToFakeField};
243
244			$values = is_string($values) ? json_decode($values, true) : $values;
245			$attributeValue = $values[$this->getAttributeName()] ?? null;
246			$attributeValue = is_array($attributeValue) ? array_map(fn ($value) => $this->getValueWithoutPath($value), $attributeValue) : $this->getValueWithoutPath($attributeValue);
247			$values[$this->getAttributeName()] = $attributeValue;
248			$entry->{$this->attachedToFakeField} = isset($entry->getCasts()[$this->attachedToFakeField]) ? $values : json_encode($values);
249
250			return $entry;
251			}
252
253			if ($this->handleMultipleFiles) {
254			if (! isset($entry->getCasts()[$this->getName()]) && is_string($value)) {
255			$entry->{$this->getAttributeName()} = json_decode($value, true);
256			}
257
258			return $entry;
259			}
260
261			$entry->{$this->getAttributeName()} = $this->getValueWithoutPath($value);
262
263			return $entry;
264			}
265
266			private function deleteFiles(Model $entry)
267			{
268			if (! $this->shouldDeleteFiles()) {
269			return;
270			}
271
272			if ($this->attachedToFakeField) {
273			$values = $entry->{$this->attachedToFakeField};
274			$values = is_string($values) ? json_decode($values, true) : $values;
275			$values = $values[$this->getAttributeName()] ?? null;
276			}
277
278			$values ??= $entry->{$this->getAttributeName()};
			0 ignored issues – show Comprehensibility Best Practice introduced 2024-04-30 18:41 UTC by Report Bug Copy Issue Report The variable `$values` does not seem to be defined for all execution paths leading up to this point. Loading history...
279
280			if ($values === null) {
281			return;
282			}
283
284			if ($this->handleMultipleFiles) {
285			// ensure we have an array of values when field is not casted in model.
286			if (is_string($values)) {
287			$values = json_decode($values, true);
288			}
289			foreach ($values ?? [] as $value) {
290			$value = Str::start($value, $this->path);
291			Storage::disk($this->disk)->delete($value);
292			}
293
294			return;
295			}
296
297			$values = Str::start($values, $this->path);
298			Storage::disk($this->disk)->delete($values);
299			}
300
301			private function performFileDeletion(Model $entry)
302			{
303			if (! $this->handleRepeatableFiles) {
304			$this->deleteFiles($entry);
305
306			return;
307			}
308
309			$this->deleteRepeatableFiles($entry);
310			}
311
312			/*******************************
313			* helper methods
314			*******************************/
315			private function getPathFromConfiguration(array $crudObject, array $configuration): string
316			{
317			$this->path = $configuration['path'] ?? $crudObject['prefix'] ?? $this->path;
318
319			return empty($this->path) ? $this->path : Str::of($this->path)->finish('/')->value();
320			}
321
322			private function getOriginalValue(Model $entry, $field = null)
323			{
324			$field ??= $this->getAttributeName();
325
326			if ($this->updatedPreviousFiles !== null) {
327			return $this->updatedPreviousFiles;
328			}
329
330			$previousValue = $entry->getOriginal($field);
331
332			if (! $previousValue) {
333			return $previousValue;
334			}
335
336			if (
337			method_exists($entry, 'translationEnabled') &&
338			$entry->translationEnabled() &&
339			$entry->isTranslatableAttribute($field)
340			) {
341			return $previousValue[$entry->getLocale()] ?? null;
342			}
343
344			return $previousValue;
345			}
346			}
347

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Pull Request — main (#5478)

Uploader::deleteFiles() B

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