added error type to validation rule.

system/validation/rule.php

@@ -18,6 +18,14 @@ abstract class Rule {
 	 */
 	public $message;
 
+	/**
+	 * The error type. This is used for rules that have more than
+	 * one type of error such as Size_Of and Upload_Of.
+	 *
+	 * @var string
+	 */
+	protected $error;
+
 	/**
 	 * Create a new validation Rule instance.
 	 *

system/validation/rules/size_of.php

@@ -61,16 +61,19 @@ class Size_Of extends Rule {
 	{
 		if ( ! is_null($this->length) and $attributes[$attribute] !== $this->length)
 		{
+			$this->error = 'number_wrong_size';
 			return false;
 		}
 
 		if ( ! is_null($this->maximum) and $attributes[$attribute] > $this->maximum)
 		{
+			$this->error = 'number_too_big';
 			return false;
 		}
 
 		if ( ! is_null($this->minimum and $attributes[$attribute] < $this->minimum))
 		{
+			$this->error = 'number_too_small';
 			return false;
 		}
 
@@ -90,16 +93,19 @@ class Size_Of extends Rule {
 
 		if ( ! is_null($this->length) and Str::length($value) !== $this->length)
 		{
+			$this->error = 'string_wrong_size';
 			return false;
 		}
 
 		if ( ! is_null($this->maximum) and Str::length($value) > $this->maximum)
 		{
+			$this->error = 'string_too_big';
 			return false;
 		}
 
 		if ( ! is_null($this->minimum) and Str::length($value) < $this->minimum)
 		{
+			$this->error = 'string_too_small';
 			return false;
 		}
 

system/validation/rules/upload_of.php

@@ -7,11 +7,11 @@ use System\Validation\Rule;
 class Upload_Of extends Rule {
 
 	/**
-	 * The acceptable file extensions.
+	 * The acceptable file types.
 	 *
 	 * @var array
 	 */
-	public $extensions;
+	public $types = array();
 
 	/**
 	 * The maximum file size in bytes.
@@ -38,25 +38,30 @@ class Upload_Of extends Rule {
 
 		if ( ! is_null($this->maximum) and $file['size'] > $this->maximum)
 		{
+			$this->error = 'file_too_big';
 			return false;
 		}
 
-		if ( ! is_null($this->extensions) and ! in_array(File::extension($file['name']), $this->extensions))
+		foreach ($this->types as $type)
 		{
-			return false;
+			if ( ! File::is($type, $file['tmp_name']))
+			{
+				$this->error = 'file_wrong_type';
+				return false;
+			}
 		}
 
 		return true;
 	}
 
 	/**
-	 * Set the acceptable file extensions.
+	 * Set the acceptable file types.
 	 *
 	 * @return Upload_Of
 	 */
-	public function has_extension()
+	public function is()
 	{
-		$this->extensions = func_get_args();
+		$this->types = func_get_args();
 		return $this;
 	}