1 files changed, 57 insertions, 0 deletions
diff --git a/protected/components/DateCompareValidator.php b/protected/components/DateCompareValidator.php
new file mode 100644
index 0000000..c013382
--- /dev/null
+++ b/protected/components/DateCompareValidator.php
@@ -0,0 +1,57 @@
+<?php
+class DateCompareValidator extends CValidator {
+	/**
+	 * @var mixed the format pattern that the date value should follow.
+	 * This can be either a string or an array representing multiple formats.
+	 * Defaults to 'MM/dd/yyyy'. Please see {@link CDateTimeParser} for details
+	 * about how to specify a date format.
+	 */
+	public $format='MM/dd/yyyy';
+	/**
+	 * @var boolean whether the attribute value can be null or empty. Defaults to true,
+	 * meaning that if the attribute is empty, it is considered valid.
+	 */
+	public $allowEmpty=true;
+	/**
+	 * @var string the name of the attribute to receive the parsing result.
+	 * When this property is not null and the validation is successful, the named attribute will
+	 * receive the parsing result.
+	 */
+	public $timestampAttribute;
+	public $operator = '>';
+	public $compareAttribute;
+	public $compareValue;
+	
+	/**
+	 * Validates the attribute of the object.
+	 * If there is any error, the error message is added to the object.
+	 * @param CModel $object the object being validated
+	 * @param string $attribute the attribute being validated
+	 */
+	protected function validateAttribute($object, $attribute) {
+		if ((empty($this->compareAttribute) && empty($this->compareValue)) || empty($this->operator)) {
+			$this->addError($attribute, 'Invalid Parameters to dateCompare');
+		}
+		
+		$compareAttribute = $this->compareAttribute;
+		$this->compareValue = empty($compareAttribute) ? $this->compareValue : $object->$compareAttribute;;
+		
+		if ($this->allowEmpty && empty($this->compareValue)) {
+			return;
+		}
+
+		$start = CDateTimeParser::parse($object->$attribute, $this->format);
+
+		$end = CDateTimeParser::parse($this->compareValue, $this->format);
+
+		//a little php trick - safe than eval and easier than a big switch statement
+
+		if (version_compare($start, $end, $this->operator)) {
+			return;
+		} else {
+			$message = $this->message !== null ? $this->message : Yii::t('astaf', 'The value of {attribute} ({value}) is not {operator} {compareAttribute} ({compareValue}).');
+			$this->addError($object, $attribute, $message, array('{operator}'=>$this->operator, '{compareValue}'=>$this->compareValue, '{value}'=>$object->$attribute, '{compareAttribute}'=>($object->getAttributeLabel($this->compareAttribute))));
+		}
+
+	}
+}
+\ No newline at end of file