Laravel Eloquent/Query Filter

Filter Eloquent models in a simple and clean way.

You can filter model with url call´s like this

  /users/?created_from=2017-01-01&created_to=2017-01-01&roles_name=Admin
  /users/?id=2
  /users/?id[]=1&id[]=3&id[]=6

Just with

#!php
<?php
Route::get('user/', function () {
    return App\User::filter()->get();
});

Features

• Input values validation
• Support multiple filters by fields
• Filter remote fields through relations
• Custom filter types through classes or closures

Install

Require with composer

composer require msantang/query-filters 0.2.*

Add service provider to config/app.php (If you want to use creator command)

Msantang\QueryFilters\QueryFiltersServiceProvider::class,

Usage

Create Filter and InputFilter

php artisan queryfilter:make User

By default this will create two files

App/QueryFilters/UserFilter.php:

#!php
<?php namespace App\QueryFilters;

use Msantang\QueryFilters\Filter;

class UserFilter extends Filter
{
    protected $filters = [
     // field            type:operation
        'created_at'  => 'date:from|date:to',  // multiple filter
        'name'        => 'string:begin',
        'roles.name'  => 'string:contains',    // filter on joined model (Roles)
        'id'          => 'numeric:eq'
    ];
}

and App/QueryFilters/UserFilterInput.php:

#!php
<?php namespace App\QueryFilters;

use Msantang\QueryFilters\FilterInput;

class UserFilterInput extends FilterInput
{
    // mapping from input to filter values
    protected $mapping = [
     // field           input name
        'id'         => 'id',
        'created_at' => 'desde|hasta',  // multiple filters
        'name'       => 'name',
        'roles.name' => 'roles_name'   // filter a joined model (user relation)
    ];

    // input validation
    protected $rules = [
        'id'         => 'integer',
        'desde'      => 'date',
        'hasta'      => 'date',
        'name'       => 'string',
        'roles.name' => 'string'
    ];
}

Add Filterable to your model

By default the model will look for App\QueryFilters{Model}Filter and App\QueryFilters{Model}FilterInput if you want to override this, just publish the package config and change namespace in queryfilter.php config file Or set the protected $filter_class and $filter_input_class propierties;

#!php
<?php

namespace App;

use Msantang\QueryFilters\Filterable;
use Illuminate\Database\Eloquent\Model;

class User extends Model
{
    use Filterable;
}

Use filter scope

#!php
<?php
Route::get('user/', function () {
    return App\User::filter()->get();
});

Changing the operation for a field filter

If you have a filter like:

#!php
<?php
$mapping = [
    'id' => 'byid',
];

$filter = [
    'id' => 'numeric:eq'
]

then you can change the operation dinamicaly like this:

  /users/?byid=2&byid_opt=neq

sending a request parameter with name {mapping_name}_opt = operation

Using constructors

#!php

<?php
// mapping from input to filter values
$mapping = [
    'created_at' => 'created_from|created_to',  // multiple filters
    'id'         => 'id',
    'roles.name' => 'roles_name'   // filter a joined model (roles relation)
];

// input validation
$rules = [
    'created_from' => 'date',
    'created_to'   => 'date',
    'id'           => 'integer',
    'roles.name'   => 'string'
];

// make filter input from request
$input = FilterInput::fromRequest( $mapping, null, $rules );

// Same as
// $input = new FilterInput(request(), $mapping, null, $rules);

// validate filter inputs
if (!$input->validate()) {
    // do something with message bag
    dd($input->messages());
    return;
};

// construct filters
$filter = new Filter([
    //field         field filters
    'created_at' => 'date:from|date:to',
    'id'         => 'numeric:eq',
    'roles.name' => 'string:contains'
]);

$query = User::query();

// apply filter to query
$filter->apply($query, $input);

return $query->get();

Filter Types##

Numeric

String

Date

Datetime

Creating custom fields filters

Despite the build in field filters, you can add your own filters.

Closures

#!php
<?php
$filters = [
   'created_at' => 'date:from|date:to',
   'id'         => [function($query, $value, $name,  $opt ){
         $query->where($name, $value);
    }]
];

Classes

#!php
<?php
use Msantang\QueryFilters\Contracts\ParameterFilterInterface;
use Msantang\QueryFilters\ParameterFilter\AbstractParameterFilter;

class MyFilter extends AbstractParameterFilter implements ParameterFilterInterface
{
    public function apply($query, $value, $name,  $opt = null)
    {
        if (empty($opt)) $opt[0] = 'eq';

        switch ($opt[0]) {
            case 'eq':
                $query->where($name,'=', $value);
                break;

            default:
                $query->where($name,'like', "%$value%");
                break;
        }

    }
}

#!php
<?php
$f = new Filter([
    'created_at'  => 'date:from|date:to',
    'name'        => 'string:begin',
    'roles.name'  => 'string:contains',
    'id'          => [new MyFilter]
]);

License

This project is licensed under the MIT License - see the LICENSE file for details