88 lines
2.6 KiB
PHP
88 lines
2.6 KiB
PHP
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<?php
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/**
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* A collection class for Cemetery objects
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*
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* This class creates a zend_db select statement.
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* ZendDbResultIterator handles iterating and paginating those results.
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* As the results are iterated over, ZendDbResultIterator will pass each desired
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* row back to this class's loadResult() which will be responsible for hydrating
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* each Cemetery object
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*
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* Beyond the basic $fields handled, you will need to write your own handling
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* of whatever extra $fields you need
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*/
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/**
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* @copyright 2009 City of Bloomington, Indiana
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* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL, see LICENSE.txt
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* @author Cliff Ingham <inghamn@bloomington.in.gov>
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*/
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class CemeteryList extends ZendDbResultIterator
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{
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/**
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* Creates a basic select statement for the collection.
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*
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* Populates the collection if you pass in $fields
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* Setting itemsPerPage turns on pagination mode
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* In pagination mode, this will only load the results for one page
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*
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* @param array $fields
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* @param int $itemsPerPage Turns on Pagination
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* @param int $currentPage
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*/
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public function __construct($fields=null,$itemsPerPage=null,$currentPage=null)
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{
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parent::__construct($itemsPerPage,$currentPage);
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if (is_array($fields)) {
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$this->find($fields);
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}
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}
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/**
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* Populates the collection
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*
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* @param array $fields
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* @param string|array $order Multi-column sort should be given as an array
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* @param int $limit
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* @param string|array $groupBy Multi-column group by should be given as an array
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*/
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public function find($fields=null,$order='name',$limit=null,$groupBy=null)
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{
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$this->select->from('cemeteries');
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// Finding on fields from the cemeteries table is handled here
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if (count($fields)) {
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foreach ($fields as $key=>$value) {
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$this->select->where("$key=?",$value);
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}
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}
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// Finding on fields from other tables requires joining those tables.
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// You can handle fields from other tables by adding the joins here
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// If you add more joins you probably want to make sure that the
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// above foreach only handles fields from the cemeteries table.
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$this->select->order($order);
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if ($limit) {
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$this->select->limit($limit);
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}
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if ($groupBy) {
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$this->select->group($groupBy);
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}
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$this->populateList();
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}
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/**
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* Hydrates all the Cemetery objects from a database result set
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*
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* This is a callback function, called from ZendDbResultIterator. It is
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* called once per row of the result.
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*
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* @param int $key The index of the result row to load
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* @return Cemetery
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*/
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protected function loadResult($key)
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{
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return new Cemetery($this->result[$key]);
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}
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}
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