Adds EloquentWhereRelationTypeHintingParameterRector rule

docs/rector_rules_overview.md

@@ -1,4 +1,4 @@
-# 39 Rules Overview
+# 40 Rules Overview
 
 ## AddArgumentDefaultValueRector
 
@@ -458,6 +458,26 @@ Convert DB Expression `__toString()` calls to `getValue()` method calls.
 
 <br>
 
+## EloquentWhereRelationTypeHintingParameterRector
+
+Add type hinting to where relation has methods e.g. whereHas, orWhereHas, whereDoesntHave, orWhereDoesntHave, whereHasMorph, orWhereHasMorph, whereDoesntHaveMorph, orWhereDoesntHaveMorph
+
+- class: [`RectorLaravel\Rector\MethodCall\EloquentWhereRelationTypeHintingParameterRector`](../src/Rector/MethodCall/EloquentWhereRelationTypeHintingParameterRector.php)
+
+```diff
+-User::whereHas('posts', function ($query) {
++User::whereHas('posts', function (\Illuminate\Contracts\Database\Eloquent\Builder $query) {
+     $query->where('is_published', true);
+ });
+
+-$query->whereHas('posts', function ($query) {
++$query->whereHas('posts', function (\Illuminate\Contracts\Database\Eloquent\Builder $query) {
+     $query->where('is_published', true);
+ });
+```
+
+<br>
+
 ## EmptyToBlankAndFilledFuncRector
 
 Replace use of the unsafe `empty()` function with Laravel's safer `blank()` & `filled()` functions.

src/Rector/MethodCall/EloquentWhereRelationTypeHintingParameterRector.php

@@ -0,0 +1,139 @@
+<?php
+
+declare(strict_types=1);
+
+namespace RectorLaravel\Rector\MethodCall;
+
+use PhpParser\Node;
+use PHPStan\Type\ObjectType;
+use Rector\Core\Rector\AbstractRector;
+use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
+use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
+
+/**
+ * @see \RectorLaravel\Tests\Rector\MethodCall\EloquentWhereRelationTypeHintingParameterRector\EloquentWhereRelationTypeHintingParameterRectorTest
+ */
+class EloquentWhereRelationTypeHintingParameterRector extends AbstractRector
+{
+    public function getRuleDefinition(): RuleDefinition
+    {
+        return new RuleDefinition(
+            'Add type hinting to where relation has methods e.g. whereHas, orWhereHas, whereDoesntHave, orWhereDoesntHave, whereHasMorph, orWhereHasMorph, whereDoesntHaveMorph, orWhereDoesntHaveMorph',
+            [
+                new CodeSample(
+                    <<<'CODE_SAMPLE'
+User::whereHas('posts', function ($query) {
+    $query->where('is_published', true);
+});
+
+$query->whereHas('posts', function ($query) {
+    $query->where('is_published', true);
+});
+CODE_SAMPLE
+                    ,
+                    <<<'CODE_SAMPLE'
+User::whereHas('posts', function (\Illuminate\Contracts\Database\Eloquent\Builder $query) {
+    $query->where('is_published', true);
+});
+
+$query->whereHas('posts', function (\Illuminate\Contracts\Database\Eloquent\Builder $query) {
+    $query->where('is_published', true);
+});
+CODE_SAMPLE
+                ),
+            ]
+        );
+    }
+
+    public function getNodeTypes(): array
+    {
+        return [Node\Expr\MethodCall::class, Node\Expr\StaticCall::class];
+    }
+
+    /**
+     * @param Node\Expr\MethodCall|Node\Expr\StaticCall $node
+     * @return Node\Expr\MethodCall|Node\Expr\StaticCall|null
+     */
+    public function refactor(Node $node): ?Node
+    {
+        if ($this->isWhereHasClosureOrArrowFunction($node)) {
+            $this->changeClosureParamType($node);
+        }
+
+        return $node;
+    }
+
+    private function isWhereHasClosureOrArrowFunction(Node $node): bool
+    {
+        if (! $this->expectedObjectTypeAndMethodCall($node)) {
+            return false;
+        }
+
+        if (! isset($node->args[1])) {
+            return false;
+        }
+
+        if (! $node->args[1]->value instanceof Node\Expr\Closure && ! $node->args[1]->value instanceof Node\Expr\ArrowFunction) {
+            return false;
+        }
+
+        return true;
+    }
+
+    /**
+     * @param Node\Expr\MethodCall|Node\Expr\StaticCall $node
+     */
+    private function changeClosureParamType(Node $node): void
+    {
+        $closure = $node->getArgs()[1]
+->value;
+
+        if (! isset($closure->params[0])) {
+            return;
+        }
+
+        $param = $closure->params[0];
+
+        if ($param->type instanceof Node\Name) {
+            return;
+        }
+
+        $param->type = new Node\Name\FullyQualified('Illuminate\Contracts\Database\Eloquent\Builder');
+    }
+
+    private function expectedObjectTypeAndMethodCall(Node $node): bool
+    {
+        return ($node instanceof Node\Expr\MethodCall && $this->isObjectType(
+            $node->var,
+            new ObjectType('Illuminate\Database\Eloquent\Builder')
+        ) && $this->isNames(
+            $node->name,
+            [
+                'whereHas',
+                'orWhereHas',
+                'whereDoesntHave',
+                'orWhereDoesntHave',
+                'whereHasMorph',
+                'orWhereHasMorph',
+                'whereDoesntHaveMorph',
+                'orWhereDoesntHaveMorph',
+            ]
+        )) ||
+            ($node instanceof Node\Expr\StaticCall && $this->isObjectType(
+                $node->class,
+                new ObjectType('Illuminate\Database\Eloquent\Model')
+            ) && $this->isNames(
+                $node->name,
+                [
+                    'whereHas',
+                    'orWhereHas',
+                    'whereDoesntHave',
+                    'orWhereDoesntHave',
+                    'whereHasMorph',
+                    'orWhereHasMorph',
+                    'whereDoesntHaveMorph',
+                    'orWhereDoesntHaveMorph',
+                ]
+            ));
+    }
+}

tests/Rector/MethodCall/EloquentWhereRelationTypeHintingParameterRector/EloquentWhereRelationTypeHintingParameterRectorTest.php

@@ -0,0 +1,28 @@
+<?php
+
+declare(strict_types=1);
+
+namespace RectorLaravel\Tests\Rector\MethodCall\EloquentWhereRelationTypeHintingParameterRector;
+
+use Iterator;
+use PHPUnit\Framework\Attributes\DataProvider;
+use Rector\Testing\PHPUnit\AbstractRectorTestCase;
+
+final class EloquentWhereRelationTypeHintingParameterRectorTest extends AbstractRectorTestCase
+{
+    #[DataProvider('provideData')]
+    public function test(string $filePath): void
+    {
+        $this->doTestFile($filePath);
+    }
+
+    public static function provideData(): Iterator
+    {
+        return self::yieldFilesFromDirectory(__DIR__ . '/Fixture');
+    }
+
+    public function provideConfigFilePath(): string
+    {
+        return __DIR__ . '/config/configured_rule.php';
+    }
+}

tests/Rector/MethodCall/EloquentWhereRelationTypeHintingParameterRector/Fixture/fixture.php.inc

@@ -0,0 +1,77 @@
+<?php
+
+namespace RectorLaravel\Tests\Rector\MethodCall\EloquentWhereRelationTypeHintingParameterRector\Fixture;
+
+/** @var \Illuminate\Database\Eloquent\Builder $query */
+$query->whereHas('posts', function ($query) {
+    $query->where('is_published', true);
+});
+
+$query->orWhereHas('posts', function ($query) {
+    $query->where('is_published', true);
+});
+
+$query->whereDoesntHave('posts', function ($query) {
+    $query->where('is_published', true);
+});
+
+$query->orWhereDoesntHave('posts', function ($query) {
+    $query->where('is_published', true);
+});
+
+$query->whereHasMorph('posts', function ($query) {
+    $query->where('is_published', true);
+});
+
+$query->orWhereHasMorph('posts', function ($query) {
+    $query->where('is_published', true);
+});
+
+$query->whereDoesntHaveMorph('posts', function ($query) {
+    $query->where('is_published', true);
+});
+
+$query->orWhereDoesntHaveMorph('posts', function ($query) {
+    $query->where('is_published', true);
+});
+
+?>
+-----
+<?php
+
+namespace RectorLaravel\Tests\Rector\MethodCall\EloquentWhereRelationTypeHintingParameterRector\Fixture;
+
+/** @var \Illuminate\Database\Eloquent\Builder $query */
+$query->whereHas('posts', function (\Illuminate\Contracts\Database\Eloquent\Builder $query) {
+    $query->where('is_published', true);
+});
+
+$query->orWhereHas('posts', function (\Illuminate\Contracts\Database\Eloquent\Builder $query) {
+    $query->where('is_published', true);
+});
+
+$query->whereDoesntHave('posts', function (\Illuminate\Contracts\Database\Eloquent\Builder $query) {
+    $query->where('is_published', true);
+});
+
+$query->orWhereDoesntHave('posts', function (\Illuminate\Contracts\Database\Eloquent\Builder $query) {
+    $query->where('is_published', true);
+});
+
+$query->whereHasMorph('posts', function (\Illuminate\Contracts\Database\Eloquent\Builder $query) {
+    $query->where('is_published', true);
+});
+
+$query->orWhereHasMorph('posts', function (\Illuminate\Contracts\Database\Eloquent\Builder $query) {
+    $query->where('is_published', true);
+});
+
+$query->whereDoesntHaveMorph('posts', function (\Illuminate\Contracts\Database\Eloquent\Builder $query) {
+    $query->where('is_published', true);
+});
+
+$query->orWhereDoesntHaveMorph('posts', function (\Illuminate\Contracts\Database\Eloquent\Builder $query) {
+    $query->where('is_published', true);
+});
+
+?>

tests/Rector/MethodCall/EloquentWhereRelationTypeHintingParameterRector/Fixture/fixture2.php.inc

@@ -0,0 +1,21 @@
+<?php
+
+namespace RectorLaravel\Tests\Rector\MethodCall\EloquentWhereRelationTypeHintingParameterRector\Fixture;
+
+/** @var \Illuminate\Database\Eloquent\Builder $query */
+$query->whereHas('posts', fn ($query) =>
+    $query->where('is_published', true)
+);
+
+?>
+-----
+<?php
+
+namespace RectorLaravel\Tests\Rector\MethodCall\EloquentWhereRelationTypeHintingParameterRector\Fixture;
+
+/** @var \Illuminate\Database\Eloquent\Builder $query */
+$query->whereHas('posts', fn (\Illuminate\Contracts\Database\Eloquent\Builder $query) =>
+    $query->where('is_published', true)
+);
+
+?>

tests/Rector/MethodCall/EloquentWhereRelationTypeHintingParameterRector/Fixture/fixture3.php.inc

@@ -0,0 +1,31 @@
+<?php
+
+namespace RectorLaravel\Tests\Rector\MethodCall\EloquentWhereRelationTypeHintingParameterRector\Fixture;
+
+class User extends \Illuminate\Database\Eloquent\Model
+{
+
+}
+
+/** @var \Illuminate\Database\Eloquent\Builder $query */
+User::whereHas('posts', function ($query) {
+    $query->where('is_published', true);
+});
+
+?>
+-----
+<?php
+
+namespace RectorLaravel\Tests\Rector\MethodCall\EloquentWhereRelationTypeHintingParameterRector\Fixture;
+
+class User extends \Illuminate\Database\Eloquent\Model
+{
+
+}
+
+/** @var \Illuminate\Database\Eloquent\Builder $query */
+User::whereHas('posts', function (\Illuminate\Contracts\Database\Eloquent\Builder $query) {
+    $query->where('is_published', true);
+});
+
+?>

tests/Rector/MethodCall/EloquentWhereRelationTypeHintingParameterRector/Fixture/skip_non_query_object.php.inc

@@ -0,0 +1,13 @@
+<?php
+
+namespace RectorLaravel\Tests\Rector\MethodCall\EloquentWhereRelationTypeHintingParameterRector\Fixture;
+
+$obj->whereHas('posts', fn ($query) =>
+    $query->where('is_published', true)
+);
+
+RandomClass::whereHas('posts', fn ($query) =>
+    $query->where('is_published', true)
+);
+
+?>

tests/Rector/MethodCall/EloquentWhereRelationTypeHintingParameterRector/config/configured_rule.php

@@ -0,0 +1,12 @@
+<?php
+
+declare(strict_types=1);
+
+use Rector\Config\RectorConfig;
+use RectorLaravel\Rector\MethodCall\EloquentWhereRelationTypeHintingParameterRector;
+
+return static function (RectorConfig $rectorConfig): void {
+    $rectorConfig->import(__DIR__ . '/../../../../../config/config.php');
+
+    $rectorConfig->rule(EloquentWhereRelationTypeHintingParameterRector::class);
+};