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SimpleViewFilter.php
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<?php
//
// SimpleViewEnums.php
//
// Author:
// Michael Taylor www.michaeltaylor3d.com/contact
//
// Copyright (c) 2013 Ayers Saint Gross
// Website: www.asg-architects.com
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
/**
* This filter class is still pretty basic
* and it doesnt support some more advanced
* filter types that utilize combinations
* of ANDOR. If these filter types are needed
* it is suggested that you build them manually.
*/
class SimpleViewFilter
{
public $fieldName;
public $fieldCategory;
public $filterValue;
public $filterType;
function __construct($fieldCategory, $fieldName, $filterType, $filterValue)
{
$this->fieldName = $fieldName;
$this->fieldCategory = $fieldCategory;
$this->filterValue = $filterValue;
$this->filterType = $filterType;
}
/**
* Converts this object into an associative array
*/
public function toArray()
{
return array
(
'FIELDCATEGORY' => $this->fieldCategory,
'FIELDNAME' => $this->fieldName,
'FILTERTYPE' => $this->filterType,
'FILTERVALUE' => $this->filterValue
);
}
/**
* Generates an array of filter arrays
* @param Array $filters
*/
public static function filterCollectiontoArray($filters)
{
assert(self::isArrayOfFilters($filters));
$processedArray = array();
foreach ($filters as $filter)
{
array_push($processedArray, $filter->toArray());
}
return $processedArray;
}
/**
* Pre-built filter: returns all listings
*/
public static function filter_AllListings()
{
$filter = new SimpleViewFilter('Listing', 'Listingid', FilterType::GREATER_THAN, 0);
return self::generatefilter($filter);
}
/**
* Generates a basic filter from a FilterObject
* @param Filter $filterObject
*/
public static function generatefilter($filterObject)
{
assert(is_a($filterObject, 'SimpleViewFilter'));
$filter = array
(
'ANDOR' => 'OR',
'FILTERS' => array
(
$filterObject->toArray()
)
);
return $filter;
}
/**
* <--Warning: Still not properly tested-->
* Allows compund filters to be generated
* @param string $AndOr
* @param Array $filters
*/
public static function generateCompoundfilter($AndOr, $filters)
{
assert(self::isArrayOfFilters($filters));
return array
(
'ANDOR' => $AndOr,
'FILTERS' => self::filterCollectiontoArray($filters)
);
}
/**
* Allows nested filters to be generated
* @param string $AndOr
* @param array $parentFilter
* @param array $filters
*/
public static function generateNestedFilter($AndOr, $parentFilter, $filters)
{
return array
(
'ANDOR' => $AndOr,
'FILTERS' => array($parentFilter, $filters)
);
}
private static function isArrayOfFilters($filters)
{
return (is_array($filters) && (is_a($filters[0], 'SimpleViewFilter'))) ? true : false;
}
}