Map Hydrate

packaged · Feb 21, 2020 · 08d01ed · 08d01ed
1 parent 2a5de5b
commit 08d01ed
Show file tree

Hide file tree

Showing 2 changed files with 67 additions and 3 deletions.
diff --git a/src/Objects.php b/src/Objects.php
@@ -85,9 +85,7 @@ public static function pnonempty($object, array $properties, $default = null)
    *
    * @throws \Exception
    */
-  public static function hydrate(
-    $destination, $source, array $properties = null, $copyNull = true
-  )
+  public static function hydrate($destination, $source, array $properties = null, $copyNull = true)
   {
     if(!is_object($destination) || !is_object($source))
     {
@@ -110,6 +108,28 @@ public static function hydrate(
     }
   }
 
+  public static function mapHydrate($destination, $source, array $properties, $copyNull = true)
+  {
+    if(!is_object($destination) || !is_object($source))
+    {
+      throw new \Exception("mapHydrate() must be given objects");
+    }
+
+    foreach($properties as $property => $callback)
+    {
+      $newVal = static::property($source, $property);
+      if(is_callable($callback))
+      {
+        $newVal = $callback($newVal);
+      }
+
+      if($newVal !== null || $copyNull)
+      {
+        $destination->$property = $newVal;
+      }
+    }
+  }
+
   /**
    * Return an array with only the public properties
    *

diff --git a/tests/ObjectsTest.php b/tests/ObjectsTest.php
@@ -143,6 +143,50 @@ public function testHydrate()
     Objects::hydrate(['' => ''], $source, []);
   }
 
+  public function testMapHydrate()
+  {
+    $dest = new stdClass();
+    $dest->nullify = 'Please';
+
+    $source = new PropertyClass();
+    $source->name = 'Test';
+    $source->age = 19;
+    $source->nullify = null;
+
+    Objects::mapHydrate($dest, $source, [null]);
+    $this->assertEquals('Please', $dest->nullify);
+
+    Objects::mapHydrate($dest, $source, ['nullify' => true], false);
+    $this->assertEquals('Please', $dest->nullify);
+
+    Objects::mapHydrate($dest, $source, ['nullify' => true], true);
+    $this->assertNull($dest->nullify);
+
+    Objects::mapHydrate($dest, $source, ['name' => true]);
+
+    $this->assertObjectHasAttribute('name', $dest);
+    $this->assertEquals('Test', $dest->name);
+
+    $this->assertObjectNotHasAttribute('age', $dest);
+    Objects::mapHydrate($dest, $source, ['age' => true]);
+
+    $this->assertObjectHasAttribute('age', $dest);
+    $this->assertEquals('19', $dest->age);
+
+    $dest->name = null;
+    Objects::mapHydrate($dest, $source, ['name' => true]);
+    $this->assertObjectHasAttribute('name', $dest);
+    $this->assertEquals('Test', $dest->name);
+
+    Objects::mapHydrate($dest, $source, ['age' => function ($val) { return $val * 10; }]);
+
+    $this->assertObjectHasAttribute('age', $dest);
+    $this->assertEquals(190, $dest->age);
+
+    $this->setExpectedException("Exception");
+    Objects::mapHydrate(['' => ''], $source, []);
+  }
+
   public function testClassShortName()
   {
     $expectations = [