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<?php |
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namespace CWP\CWP\PageTypes; |
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use SilverStripe\ORM\FieldType\DBDatetime; |
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use SilverStripe\ORM\PaginatedList; |
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/** |
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* The parameters apply in the following preference order: |
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* - Highest priority: Tag & date (or date range) |
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* - Month (and Year) |
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* - Pagination |
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* |
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* So, when the user click on a tag link, the pagination, and month will be reset, but not the date filter. Also, |
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* changing the date will not affect the tag, but will reset the month and pagination. |
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* |
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* When the user clicks on a month, pagination will be reset, but tags retained. Pagination retains all other |
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* parameters. |
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*/ |
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class EventHolderController extends DatedUpdateHolderController |
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{ |
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public function getUpdateName() |
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{ |
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$params = $this->parseParams(); |
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if ($params['upcomingOnly']) { |
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return _t(__CLASS__ . '.Upcoming', 'Upcoming events'); |
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} |
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return _t(__CLASS__ . '.Events', 'Events'); |
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} |
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/** |
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* Parse URL parameters. |
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* |
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* @param boolean $produceErrorMessages Set to false to omit session messages. |
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*/ |
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public function parseParams($produceErrorMessages = true) |
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{ |
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$params = parent::parseParams($produceErrorMessages); |
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// We need to set whether or not we're supposed to be displaying only upcoming events or all events. |
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$params['upcomingOnly'] = !($params['from'] || $params['to'] || $params['year'] || $params['month']); |
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return $params; |
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} |
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/** |
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* Get the events based on the current query. |
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*/ |
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public function FilteredUpdates($pageSize = 20) |
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{ |
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$params = $this->parseParams(); |
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$items = $this->Updates( |
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$params['tag'], |
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$params['from'], |
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$params['to'], |
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$params['year'], |
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$params['month'] |
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); |
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if ($params['upcomingOnly']) { |
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$items = $items->filter(['Date:LessThan:Not' => DBDatetime::now()->Format('y-MM-dd')]); |
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} |
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// Apply pagination |
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$list = PaginatedList::create($items, $this->getRequest()); |
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$list->setPageLength($pageSize); |
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return $list; |
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} |
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} |
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silverstripe /
cwp
