mirror of
https://github.com/silverstripe/silverstripe-framework
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101 lines
3.8 KiB
PHP
101 lines
3.8 KiB
PHP
<?php
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namespace SilverStripe\ORM;
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/**
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* Additional interface for {@link SS_List} classes that are filterable.
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*
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* All methods in this interface are immutable - they should return new instances with the filter
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* applied, rather than applying the filter in place
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*
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* @see SS_List, SS_Sortable, SS_Limitable
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* @package framework
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* @subpackage orm
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*/
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interface SS_Filterable extends SS_List {
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/**
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* Returns TRUE if the list can be filtered by a given field expression.
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*
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* @param string $by
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* @return bool
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*/
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public function canFilterBy($by);
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/**
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* Return a new instance of this list that only includes items with these charactaristics
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*
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* @return SS_Filterable
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* @example $list = $list->filter('Name', 'bob'); // only bob in the list
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* @example $list = $list->filter('Name', array('aziz', 'bob'); // aziz and bob in list
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* @example $list = $list->filter(array('Name'=>'bob, 'Age'=>21)); // bob with the age 21
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* @example $list = $list->filter(array('Name'=>'bob, 'Age'=>array(21, 43))); // bob with the Age 21 or 43
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* @example $list = $list->filter(array('Name'=>array('aziz','bob'), 'Age'=>array(21, 43)));
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* // aziz with the age 21 or 43 and bob with the Age 21 or 43
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*/
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public function filter();
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/**
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* Return a copy of this list which contains items matching any of these charactaristics.
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*
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* @example // only bob in the list
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* $list = $list->filterAny('Name', 'bob');
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* // SQL: WHERE "Name" = 'bob'
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* @example // azis or bob in the list
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* $list = $list->filterAny('Name', array('aziz', 'bob');
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* // SQL: WHERE ("Name" IN ('aziz','bob'))
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* @example // bob or anyone aged 21 in the list
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* $list = $list->filterAny(array('Name'=>'bob, 'Age'=>21));
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* // SQL: WHERE ("Name" = 'bob' OR "Age" = '21')
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* @example // bob or anyone aged 21 or 43 in the list
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* $list = $list->filterAny(array('Name'=>'bob, 'Age'=>array(21, 43)));
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* // SQL: WHERE ("Name" = 'bob' OR ("Age" IN ('21', '43'))
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* @example // all bobs, phils or anyone aged 21 or 43 in the list
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* $list = $list->filterAny(array('Name'=>array('bob','phil'), 'Age'=>array(21, 43)));
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* // SQL: WHERE (("Name" IN ('bob', 'phil')) OR ("Age" IN ('21', '43'))
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*
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* @param string|array See {@link filter()}
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* @return DataList
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*/
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public function filterAny();
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/**
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* Return a new instance of this list that excludes any items with these charactaristics
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*
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* @return SS_Filterable
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* @example $list = $list->exclude('Name', 'bob'); // exclude bob from list
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* @example $list = $list->exclude('Name', array('aziz', 'bob'); // exclude aziz and bob from list
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* @example $list = $list->exclude(array('Name'=>'bob, 'Age'=>21)); // exclude bob that has Age 21
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* @example $list = $list->exclude(array('Name'=>'bob, 'Age'=>array(21, 43))); // exclude bob with Age 21 or 43
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* @example $list = $list->exclude(array('Name'=>array('bob','phil'), 'Age'=>array(21, 43)));
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* // bob age 21 or 43, phil age 21 or 43 would be excluded
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*/
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public function exclude();
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/**
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* Return a new instance of this list that excludes any items with these charactaristics
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* Filter this List by a callback function. The function will be passed each record of the List in turn,
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* and must return true for the record to be included. Returns the filtered list.
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*
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* @example $list = $list->filterByCallback(function($item, $list) { return $item->Age == 9; })
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* @return SS_Filterable
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*/
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public function filterByCallback($callback);
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/**
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* Return the first item with the given ID
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*
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* @param int $id
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* @return mixed
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*/
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public function byID($id);
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/**
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* Filter this list to only contain the given Primary IDs
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*
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* @param array $ids Array of integers
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* @return SS_List
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*/
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public function byIDs($ids);
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}
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