Add column restrictions to custom project roles

app/Validator/ColumnRestrictionValidator.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace Kanboard\Validator;
+
+use SimpleValidator\Validator;
+use SimpleValidator\Validators;
+
+/**
+ * Class ColumnRestrictionValidator
+ *
+ * @package Kanboard\Validator
+ * @author  Frederic Guillot
+ */
+class ColumnRestrictionValidator extends BaseValidator
+{
+    /**
+     * Validate creation
+     *
+     * @access public
+     * @param  array   $values           Form values
+     * @return array   $valid, $errors   [0] = Success or not, [1] = List of errors
+     */
+    public function validateCreation(array $values)
+    {
+        $v = new Validator($values, array(
+            new Validators\Required('project_id', t('This field is required')),
+            new Validators\Integer('project_id', t('This value must be an integer')),
+            new Validators\Required('role_id', t('This field is required')),
+            new Validators\Integer('role_id', t('This value must be an integer')),
+            new Validators\Required('rule', t('This field is required')),
+            new Validators\Required('column_id', t('This field is required')),
+            new Validators\Integer('column_id', t('This value must be an integer')),
+        ));
+
+        return array(
+            $v->execute(),
+            $v->getErrors()
+        );
+    }
+}