DNProject::validate PHP Method

    protected function validate()
    {
        $validation = parent::validate();
        if ($validation->valid()) {
            if (empty($this->Name)) {
                return $validation->error('The stack must have a name.');
            }
            // The name is used to build filepaths so should be restricted
            if (!preg_match('/^[a-zA-Z0-9][a-zA-Z0-9\\-\\_]+$/', $this->Name)) {
                return $validation->error('Project name can only contain alphanumeric, hyphens and underscores.');
            }
            if (empty($this->CVSPath)) {
                return $validation->error('You must provide a repository URL.');
            }
            $existing = DNProject::get()->filter('Name', $this->Name);
            if ($this->ID) {
                $existing = $existing->exclude('ID', $this->ID);
            }
            if ($existing->count() > 0) {
                return $validation->error('A stack already exists with that name.');
            }
        }
        return $validation;
    }