Approvable::withApproval() - Code Metrics - Inspection of "Bump dev packages so travis will not time out" - victorlap/laravel-approvable - Measure and Improve Code Quality continuously with Scrutinizer

Completed

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by Victor

created 2018-08-27 22:11 UTC

Approvable::withApproval() A

↳ Parent: Approvable

Complexity

Conditions	1
Paths	1

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	3
CRAP Score	1

Importance

Changes

Metric	Value
dl	0
loc	6
ccs	3
cts	3
cp	1
rs	10
c	0
b	0
f	0
cc	1
nc	1
nop	0
crap	1

<?php

namespace Victorlap\Approvable;

use Illuminate\Database\Eloquent\Relations\MorphMany;
use Illuminate\Support\Collection;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\DB;

trait Approvable
{

    /** @var array */
    public $approveOf = array();

    /** @var array */
    public $dontApproveOf = array();

    /** @var bool */
    protected $withoutApproval = false;

    /**
     * Create the event listeners for the saving event
     * This lets us save approvals whenever a save is made, no matter the
     * http method
     */
    public static function bootApprovable(): void
    {
        static::saving(function ($model) {
            return $model->preSave();
        });
    }

    public function approvals(): MorphMany
    {
        return $this->morphMany(Approval::class, 'approvable');
trait Idable {
    public function equalIds(Idable $other) {
        return $this->getId() === $other->getId();
    }
}
    }

    /**
     * Check if this model has pending changes,
     * If an attribute is provided, check if the attribute has pending changes.
     *
     * @param null $attribute
     * @return bool
     */
    public function isPendingApproval($attribute = null): bool
    {
        return $this->approvals()
            ->when($attribute !== null, function ($query) use ($attribute) {
                $query->where('key', $attribute);
            })
            ->where('approved', null)
            ->exists();
    }

    /**
     * List all the attributes, that currently have pending changes.
     *
     * @return \Illuminate\Support\Collection
     */
    public function getPendingApprovalAttributes(): Collection
    {
        return $this->approvals()
            ->where('approved', null)
            ->groupBy('key')
            ->pluck('key');
    }

    /**
     * Disable the approval process for this model instance.
     *
     * @param bool $withoutApproval Deprecated, see withoApproval()
     *                              Will be removed in 2.0.0
     *
     * @return self
     */
    public function withoutApproval(bool $withoutApproval = true): self
    {
        $this->withoutApproval = $withoutApproval;

        return $this;
    }

    /**
     * Enable the approval process for this model instance
     *
     * @return self
     */
    public function withApproval(): self
    {
        $this->withoutApproval = false;

        return $this;
    }

    /**
     * Invoked before a model is saved. Return false to abort the operation.
     *
     * @return bool
     */
    protected function preSave(): bool
    {
        if ($this->withoutApproval) {
            return true;
        }

        if ($this->currentUserCanApprove()) {
            // If the user is able to approve edits, do nothing.
            return true;
        }

        if (!$this->exists) {
class MyClass { }

$x = new MyClass();
$x->foo = true;
            // There is currently no way (implemented) to enable this for new models.
            return true;
        }

        $changes_to_record = $this->changedApprovableFields();

        $approvals = array();
        foreach ($changes_to_record as $key => $change) {
            $approvals[] = array(
                'approvable_type' => $this->getMorphClass(),
trait Idable {
    public function equalIds(Idable $other) {
        return $this->getId() === $other->getId();
    }
}
                'approvable_id' => $this->getKey(),
trait Idable {
    public function equalIds(Idable $other) {
        return $this->getId() === $other->getId();
    }
}
                'key' => $key,
                'value' => $change,
                'user_id' => $this->getSystemUserId(),
                'created_at' => new \DateTime(),
                'updated_at' => new \DateTime(),
            );
        }

        if (count($approvals) > 0) {
            $approval = new Approval();
            DB::table($approval->getTable())->insert($approvals);
        }

        return true;
    }

    /**
     * Get all of the changes that have been made, that are also supposed
     * to be approved.
     *
     * @return array fields with new data, that should be recorded
     */
    private function changedApprovableFields(): array
    {
        $dirty = $this->getDirty();
trait Idable {
    public function equalIds(Idable $other) {
        return $this->getId() === $other->getId();
    }
}
        $changes_to_record = array();

        foreach ($dirty as $key => $value) {
            if ($this->isApprovable($key)) {
                if (!isset($this->original[$key]) || $this->original[$key] != $this->attributes[$key]) {
                    $changes_to_record[$key] = $value;

                    // Reset changes that we want to approve
                    if (!isset($this->original[$key])) {
                        unset($this->attributes[$key]);
                    } else {
                        $this->attributes[$key] = $this->original[$key];
class MyClass { }

$x = new MyClass();
$x->foo = true;
                    }
                }
            }
        }

        return $changes_to_record;
    }

    /**
     * Return whether an attribute of this model should be approvable.
     *
     * @param string $key
     * @return bool
     */
    private function isApprovable(string $key): bool
    {
        if (isset($this->approveOf) && in_array($key, $this->approveOf)) {
            return true;
        }
        if (isset($this->dontApproveOf) && in_array($key, $this->dontApproveOf)) {
            return false;
        }

        return empty($this->approveOf);
    }

    /**
     * Get the user id that should be stored as the requester for the approval.
     *
     * @return int|null
     */
    protected function getSystemUserId(): ?int
    {
        return Auth::id() ?? null;
    }

    /**
     * Check if the approval process needs to happen for the currently logged in user.
     *
     * @return bool
     */
    protected function currentUserCanApprove(): bool
    {
        return Auth::check() && Auth::user()->can('approve', $this) ?? false;
interface User
{
    /** @return string */
    public function getPassword();
}

class MyUser implements User
{
    public function getPassword()
    {
        // return something
    }

    public function getDisplayName()
    {
        // return some name.
    }
}

class AuthSystem
{
    public function authenticate(User $user)
    {
        $this->logger->info(sprintf('Authenticating %s.', $user->getDisplayName()));
        // do something.
    }
}
    }
}


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Approvable::withApproval() A

Complexity

Size

Duplication

Code Coverage

Importance

Available Fixes

1		<?php
2
3		namespace Victorlap\Approvable;
4
5		use Illuminate\Database\Eloquent\Relations\MorphMany;
6		use Illuminate\Support\Collection;
7		use Illuminate\Support\Facades\Auth;
8		use Illuminate\Support\Facades\DB;
9
10		trait Approvable
11		{
12
13		/** @var array */
14		public $approveOf = array();
15
16		/** @var array */
17		public $dontApproveOf = array();
18
19		/** @var bool */
20		protected $withoutApproval = false;
21
22		/**
23		* Create the event listeners for the saving event
24		* This lets us save approvals whenever a save is made, no matter the
25		* http method
26		*/
27		public static function bootApprovable(): void
28		{
29	15	static::saving(function ($model) {
30	15	return $model->preSave();
31	15	});
32	15	}
33
34	5	public function approvals(): MorphMany
35		{
36	5	return $this->morphMany(Approval::class, 'approvable');
		0 ignored issues – show Bug introduced 2017-10-08 20:29 UTC by Report Bug Copy Issue Report It seems like `morphMany()` must be provided by classes using this trait. How about adding it as abstract method to this trait? This check looks for methods that are used by a trait but not required by it. To illustrate, let’s look at the following code example trait Idable { public function equalIds(Idable $other) { return $this->getId() === $other->getId(); } } The trait `Idable` provides a method `equalsId` that in turn relies on the method `getId()`. If this method does not exist on a class mixing in this trait, the method will fail. Adding the `getId()` as an abstract method to the trait will make sure it is available. Loading history...
37		}
38
39		/**
40		* Check if this model has pending changes,
41		* If an attribute is provided, check if the attribute has pending changes.
42		*
43		* @param null $attribute
44		* @return bool
45		*/
46	2	public function isPendingApproval($attribute = null): bool
47		{
48	2	return $this->approvals()
49	2	->when($attribute !== null, function ($query) use ($attribute) {
50	1	$query->where('key', $attribute);
51	2	})
52	2	->where('approved', null)
53	2	->exists();
54		}
55
56		/**
57		* List all the attributes, that currently have pending changes.
58		*
59		* @return \Illuminate\Support\Collection
60		*/
61	1	public function getPendingApprovalAttributes(): Collection
62		{
63	1	return $this->approvals()
64	1	->where('approved', null)
65	1	->groupBy('key')
66	1	->pluck('key');
67		}
68
69		/**
70		* Disable the approval process for this model instance.
71		*
72		* @param bool $withoutApproval Deprecated, see withoApproval()
73		* Will be removed in 2.0.0
74		*
75		* @return self
76		*/
77	1	public function withoutApproval(bool $withoutApproval = true): self
78		{
79	1	$this->withoutApproval = $withoutApproval;
80
81	1	return $this;
82		}
83
84		/**
85		* Enable the approval process for this model instance
86		*
87		* @return self
88		*/
89	1	public function withApproval(): self
90		{
91	1	$this->withoutApproval = false;
92
93	1	return $this;
94		}
95
96		/**
97		* Invoked before a model is saved. Return false to abort the operation.
98		*
99		* @return bool
100		*/
101	15	protected function preSave(): bool
102		{
103	15	if ($this->withoutApproval) {
104	1	return true;
105		}
106
107	15	if ($this->currentUserCanApprove()) {
108		// If the user is able to approve edits, do nothing.
109	3	return true;
110		}
111
112	13	if (!$this->exists) {
		0 ignored issues – show Bug introduced 2017-07-03 08:34 UTC by Report Bug Copy Issue Report The property `exists` does not exist. Did you maybe forget to declare it? In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code: class MyClass { } $x = new MyClass(); $x->foo = true; Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: class MyClass { public $foo; } $x = new MyClass(); $x->foo = true; Loading history...
113		// There is currently no way (implemented) to enable this for new models.
114	13	return true;
115		}
116
117	11	$changes_to_record = $this->changedApprovableFields();
118
119	11	$approvals = array();
120	11	foreach ($changes_to_record as $key => $change) {
121	11	$approvals[] = array(
122	11	'approvable_type' => $this->getMorphClass(),
		0 ignored issues – show Bug introduced 2017-07-03 08:34 UTC by Report Bug Copy Issue Report It seems like `getMorphClass()` must be provided by classes using this trait. How about adding it as abstract method to this trait? This check looks for methods that are used by a trait but not required by it. To illustrate, let’s look at the following code example trait Idable { public function equalIds(Idable $other) { return $this->getId() === $other->getId(); } } The trait `Idable` provides a method `equalsId` that in turn relies on the method `getId()`. If this method does not exist on a class mixing in this trait, the method will fail. Adding the `getId()` as an abstract method to the trait will make sure it is available. Loading history...
123	11	'approvable_id' => $this->getKey(),
		0 ignored issues – show Bug introduced 2017-07-03 08:34 UTC by Report Bug Copy Issue Report It seems like `getKey()` must be provided by classes using this trait. How about adding it as abstract method to this trait? This check looks for methods that are used by a trait but not required by it. To illustrate, let’s look at the following code example trait Idable { public function equalIds(Idable $other) { return $this->getId() === $other->getId(); } } The trait `Idable` provides a method `equalsId` that in turn relies on the method `getId()`. If this method does not exist on a class mixing in this trait, the method will fail. Adding the `getId()` as an abstract method to the trait will make sure it is available. Loading history...
124	11	'key' => $key,
125	11	'value' => $change,
126	11	'user_id' => $this->getSystemUserId(),
127	11	'created_at' => new \DateTime(),
128	11	'updated_at' => new \DateTime(),
129		);
130		}
131
132	11	if (count($approvals) > 0) {
133	11	$approval = new Approval();
134	11	DB::table($approval->getTable())->insert($approvals);
135		}
136
137	11	return true;
138		}
139
140		/**
141		* Get all of the changes that have been made, that are also supposed
142		* to be approved.
143		*
144		* @return array fields with new data, that should be recorded
145		*/
146	11	private function changedApprovableFields(): array
147		{
148	11	$dirty = $this->getDirty();
		0 ignored issues – show Bug introduced 2017-07-03 08:34 UTC by Report Bug Copy Issue Report It seems like `getDirty()` must be provided by classes using this trait. How about adding it as abstract method to this trait? This check looks for methods that are used by a trait but not required by it. To illustrate, let’s look at the following code example trait Idable { public function equalIds(Idable $other) { return $this->getId() === $other->getId(); } } The trait `Idable` provides a method `equalsId` that in turn relies on the method `getId()`. If this method does not exist on a class mixing in this trait, the method will fail. Adding the `getId()` as an abstract method to the trait will make sure it is available. Loading history...
149	11	$changes_to_record = array();
150
151	11	foreach ($dirty as $key => $value) {
152	11	if ($this->isApprovable($key)) {
153	11	if (!isset($this->original[$key]) \|\| $this->original[$key] != $this->attributes[$key]) {
154	11	$changes_to_record[$key] = $value;
155
156		// Reset changes that we want to approve
157	11	if (!isset($this->original[$key])) {
158	2	unset($this->attributes[$key]);
159		} else {
160	11	$this->attributes[$key] = $this->original[$key];
		0 ignored issues – show Bug introduced 2018-05-17 22:35 UTC by Report Bug Copy Issue Report The property `attributes` does not exist. Did you maybe forget to declare it? In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code: class MyClass { } $x = new MyClass(); $x->foo = true; Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: class MyClass { public $foo; } $x = new MyClass(); $x->foo = true; Loading history... Bug introduced 2017-07-03 08:34 UTC by Report Bug Copy Issue Report The property `original` does not exist. Did you maybe forget to declare it? In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code: class MyClass { } $x = new MyClass(); $x->foo = true; Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: class MyClass { public $foo; } $x = new MyClass(); $x->foo = true; Loading history...
161		}
162		}
163		}
164		}
165
166	11	return $changes_to_record;
167		}
168
169		/**
170		* Return whether an attribute of this model should be approvable.
171		*
172		* @param string $key
173		* @return bool
174		*/
175	11	private function isApprovable(string $key): bool
176		{
177	11	if (isset($this->approveOf) && in_array($key, $this->approveOf)) {
178	1	return true;
179		}
180	11	if (isset($this->dontApproveOf) && in_array($key, $this->dontApproveOf)) {
181	1	return false;
182		}
183
184	11	return empty($this->approveOf);
185		}
186
187		/**
188		* Get the user id that should be stored as the requester for the approval.
189		*
190		* @return int\|null
191		*/
192	11	protected function getSystemUserId(): ?int
193		{
194	11	return Auth::id() ?? null;
195		}
196
197		/**
198		* Check if the approval process needs to happen for the currently logged in user.
199		*
200		* @return bool
201		*/
202	2	protected function currentUserCanApprove(): bool
203		{
204	2	return Auth::check() && Auth::user()->can('approve', $this) ?? false;
		0 ignored issues – show Bug introduced 2017-07-03 08:34 UTC by Report Bug Copy Issue Report It seems like you code against a concrete implementation and not the interface `Illuminate\Contracts\Auth\Authenticatable` as the method `can()` does only exist in the following implementations of said interface: `Illuminate\Foundation\Auth\User`. Let’s take a look at an example: interface User { /** @return string / public function getPassword(); } class MyUser implements User { public function getPassword() { // return something } public function getDisplayName() { // return some name. } } class AuthSystem { public function authenticate(User $user) { $this->logger->info(sprintf('Authenticating %s.', $user->getDisplayName())); // do something. } } In the above example, the authenticate() method works fine as long as you just pass instances of MyUser. However, if you now also want to pass a different implementation of User which does not have a getDisplayName() method, the code will break. Available Fixes Change the type-hint for the parameter: class AuthSystem { public function authenticate(MyUser $user) { / ... / } } Add an additional type-check: class AuthSystem { public function authenticate(User $user) { if ($user instanceof MyUser) { $this->logger->info(/* ... /); } // or alternatively if ( ! $user instanceof MyUser) { throw new \LogicException( '$user must be an instance of MyUser, ' .'other instances are not supported.' ); } } } Note:* PHP Analyzer uses reverse abstract interpretation to narrow down the types inside the if block in such a case. Add the method to the interface: interface User { /** @return string / public function getPassword(); /* @return string */ public function getDisplayName(); } Loading history...
205		}
206		}
207

victorlap / laravel-approvable

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Approvable::withApproval() A

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