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Filterable

This package gives you a convenient way to automatically filter Eloquent results based on query string parameters in the URL. Filterable parses the query string, compares it with columns that you'd like to automatically filter, then creates a dynamic scope that is used by Eloquent to construct the SQL.

• Installation
• Copyright & License
• Usage
  • Single Value
  • Multiple Values
  • Multiple Parameters
  • Boolean Operators
  • Comparison Operators

Installation

Add the package to 'require' in your composer.json file:

"require": {
    "cyd622/laravel-filterable": "dev-master"
},

Run 'composer dump-autoload' from the command line:

#composer dump-autoload

Register the service provider in 'app/config/app.php'. Service provider:

'providers' => array(
    \\...
    'Laravel\Filterable\FilterableServiceProvider',
    \\...
);

License

Copyright 2014 Dave Hodgins Released under MIT license (http://opensource.org/licenses/MIT). See LICENSE file for details. Usage

NOTE: this package also includes a version (FilterableWrapper.php) that can be used to wrap a DB or Eloquent object, and a version (FilterableTrait.php) that can be used as a trait with an Eloquent model.

Filterable.php

Edit your Eloquent model to extend 'Laravel\Filterable\Filterable'.

class Object extends Laravel\Filterable\Filterable {
    // ...
}

FilterableWrapper.php

Give FilterableWrapper a DB or Eloquent object.

$object = DB::table('objects');
$objects = FilterableWrapper($object);

FilterableTrait.php

class Object extends Eloquent {

   use Laravel\Filterable\FilterableTrait;

}

The examples below use the Filterable class!

In the above example, class Object corresponds to table 'objects':

Filterable Columns

Specify the column you want to automatically filter.

$columns = [ 'color', 'shape', 'total' ];

For example:

 http://www.your-site/?color=blue&shape=round&total=500

You can also alias the columns if you prefer not to reveal them:

$columns = [ 'col' => 'color', 'sha' => 'shape', 'tot' => 'total' ];

For example:

http://www.your-site/?col=blue&sha=round&tot=500

To filter results, simply pass the columns to Eloquent using filterColumns():

$objects = Object::filterColumns($columns)->get()->toArray();

You can also filter joins:

$columns = array('color' => 'objects.color',
                 'name' => 'objects.name',
                 'shape' => 'objects.shape',
                 'category' => 'cat_object.cat_id');
$objects = Object::join('cat_object', 'objects.id', '=', 'cat_object.object_id')
                   ->filterColumns($columns)
                   ->get()->toArray();

And you can filter eager loads:

/**
 * Columns available in main query
 */
$columns = array('color' => 'objects.color',
                 'name' => 'objects.name',
                 'shape' => 'objects.shape');
$objects = Object::with(array('categories' => function($q) {
               /**
                * Columns available to sub-query
                */
               $columns = array('category' => 'cat_object.cat_id');
               $q->filterColumns($columns);
           }))->filterColumns($columns)
           ->get()
           ->toArray();

The following examples demonstrate how query string parameters can be used. Single Value

?color=red

SELECT ... WHERE ... color = 'red'

Multiple Values

?color[]=red&color[]=blue

SELECT ... WHERE ... color = 'red' OR color = 'blue'

Multiple Parameters

?color[]=red&shape[]=triangle

SELECT ... WHERE ... color = 'red' AND shape = 'triangle'

Boolean Operators

?color[]=red&shape[]=triangle&bool[shape]=or

SELECT ... WHERE ... color = 'red' OR shape = 'triangle'

Comparison Operators

Greater Than

?total=599&operator[total]=>

SELECT ... WHERE ... total > '599'

Less Than

?total=600&operator[total]=<

SELECT ... WHERE ... total < '600'

Not Equal

?shape=triangle&operator[shape]=!=

SELECT ... WHERE ... shape != 'triangle'

Between

?total[start]=900&total[end]=5000

SELECT ... WHERE ... total BETWEEN '900' AND '5000'