Added Hyperf\Database\Model\Model::discardChanges(). (#7261)

Author: zds-s

src/Model/Concerns/HasAttributes.php

@@ -521,6 +521,16 @@ public function syncOriginalAttribute($attribute): static
         return $this->syncOriginalAttributes($attribute);
     }
 
+    /**
+     * Discard attribute changes and reset the attributes to their original state.
+     */
+    public function discardChanges(): static
+    {
+        [$this->attributes, $this->changes] = [$this->original, []];
+
+        return $this;
+    }
+
     /**
      * Sync multiple original attribute with their current values.
      *

tests/ModelTest.php

@@ -206,6 +206,23 @@ public function testArrayAccessToAttributes()
         $this->assertFalse(isset($model['with']));
     }
 
+    public function testDiscardChanges()
+    {
+        $user = new ModelStub([
+            'name' => 'Taylor Otwell',
+        ]);
+
+        $this->assertNotEmpty($user->isDirty());
+        $this->assertNull($user->getOriginal('name'));
+        $this->assertSame('Taylor Otwell', $user->getAttribute('name'));
+
+        $user->discardChanges();
+
+        $this->assertEmpty($user->isDirty());
+        $this->assertNull($user->getOriginal('name'));
+        $this->assertNull($user->getAttribute('name'));
+    }
+
     public function testOnly()
     {
         $model = new ModelStub();