<?php

/**

* Copyright 2014 Openstack Foundation

* Licensed under the Apache License, Version 2.0 (the "License");

* you may not use this file except in compliance with the License.

* You may obtain a copy of the License at

* http://www.apache.org/licenses/LICENSE-2.0

* Unless required by applicable law or agreed to in writing, software

* distributed under the License is distributed on an "AS IS" BASIS,

* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

* See the License for the specific language governing permissions and

* limitations under the License.

**/

class CustomSiteConfig extends DataExtension {

private static $db= array(

'DisplaySiteBanner' => 'Boolean'

);

private static $has_many = array('SiteBannerConfigurationSettings'=>'SiteBannerConfigurationSetting');

public function updateCMSFields(FieldList $fields) {

$config = GridFieldConfig_RelationEditor::create(10);

$settings = new GridField('SiteBannerConfigurationSettings','SiteBannerConfigurationSetting', SiteBannerConfigurationSetting::get(),$config);

$settings->getConfig()->getComponentByType('GridFieldDataColumns')->setDisplayFields(

array(

'SiteBannerMessage' => 'Message',

'SiteBannerRank' => 'Rank',

'Language' => 'Language',

));

$fields->addFieldToTab("Root.SiteBanner", new LiteralField ('SiteBanner','<h2>Site Banner</h2><p>The site banner displays at the top of all pages.</p>'));

$fields->addFieldToTab("Root.SiteBanner", new CheckboxField ('DisplaySiteBanner','Display The Site Banner'));

$fields->addFieldToTab("Root.SiteBanner",$settings);

}

public function getSiteBannerMessage(){

$current_lang = UserLanguage::getCurrentUserLang();

$previous_banner_rank = Session::get('bannerRank');

$filters = array('Language' => $current_lang);

if (is_numeric($previous_banner_rank)) {

$filters['SiteBannerRank:GreaterThan'] = (int)$previous_banner_rank;

}

$settings = SiteBannerConfigurationSetting::get()->filter($filters)->sort('SiteBannerRank','ASC')->first();

// if there is no banner maybe the previous one was the last one, so we look for the first one

if(!$settings && $previous_banner_rank)

$settings = SiteBannerConfigurationSetting::get()->filter(array('Language' => $current_lang))->sort('SiteBannerRank','ASC')->first();

//if there is still no banner we fetch the english one

if(!$settings) {

$filters = array('Language' => 'English');

if (is_numeric($previous_banner_rank)) {

$filters['SiteBannerRank:GreaterThan'] = (int)$previous_banner_rank;

}

$settings = SiteBannerConfigurationSetting::get()->filter($filters)->sort('SiteBannerRank','ASC')->first();

// if there is no banner maybe the previous one was the last one, so we look for the first one

if(!$settings && is_numeric($previous_banner_rank))

$settings = SiteBannerConfigurationSetting::get()->filter(array('Language' => 'English'))->sort('SiteBannerRank','ASC')->first();

}

if ($settings)

Session::set('bannerRank',$settings->SiteBannerRank);

return $settings ? $settings->SiteBannerMessage : '';

}

public function getRawSiteBannerMessage() {

$message = $this->getSiteBannerMessage();

return str_replace(array("<p>","</p>"), array("",""),$message);

}

public function getSiteBannerButtonText(){

$current_lang = UserLanguage::getCurrentUserLang();

$settings = SiteBannerConfigurationSetting::get()->filter('Language', $current_lang)->first();

if(!$settings)

$settings = SiteBannerConfigurationSetting::get()->filter('Language', 'English')->first();

return $settings?$settings->SiteBannerButtonText:'';

}

public function getSiteBannerButtonLink(){

$current_lang = UserLanguage::getCurrentUserLang();

$settings = SiteBannerConfigurationSetting::get()->filter('Language', $current_lang)->first();

if(!$settings)

$settings = SiteBannerConfigurationSetting::get()->filter('Language', 'English')->first();

return $settings?$settings->SiteBannerButtonLink:'';

}

}