Intro

A filter manager package for the product list filter, help you elegant generate filter url.

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Install

composer require 'toplan/filter-manager:~1.0.4'

Usage

1. The preparatory work

require 'path/to/vendor/autoload.php';
use Toplan\FilterManager\FilterManager as FilterManager;

// params
$paramsArray = [
    'paramName' => 'value',
    ...
]

// create instance by yourself.
$fm = FilterManager::create($paramsArray)->setBlackList(['page']);

//then, render `$fm` value to your template!

Or used in laravel just like this:

Find the providers key in config/app.php and register the FilterManger Service Provider.

    'providers' => array(
        Toplan\FilterManager\FilterManagerServiceProvider::class,
    )

Find the aliases key in config/app.php.

    'aliases' => array(
        'FilterManager' => Toplan\FilterManager\Facades\FilterManager::class,
    )

2. Just enjoy it

use value $fm in template:

<!-- example -->
<li class="item all {{$fm->isActive('gender', FM_SELECT_ALL, 'active', '')}}">
  <a href="{{$fm->url('gender', FM_SELECT_ALL)}}">All</a>
</li>
<li class="item @if($fm->isActive('gender', 'male')) active @endif">
  <a href="{{$fm->url('gender', 'male')}}">Male</a>
</li>
<li class="item @if($fm->isActive('gender', 'female')) active @endif">
  <a href="{{$fm->url('gender', 'female')}}">Female</a>
</li>

or use laravel facade value FilterManager in template:

<!-- example -->
<li class="item all {{FilterManager::isActive('gender', FM_SELECT_ALL, 'active', '')}}">
  <a href="{{FilterManager::url('gender', FM_SELECT_ALL)}}">All</a>
</li>
<li class="item @if(FilterManager::isActive('gender', 'male')) active @endif">
  <a href="{{FilterManager::url('gender', 'male')}}">Male</a>
</li>
<li class="item @if(FilterManager::isActive('gender','female')) active @endif">
  <a href="{{FilterManager::url('gender', 'female')}}">Female</a>
</li>

API

create(array $filters, $baseUrl, $blackList)

create a instance.

• $filters: this is filters data, required, exp:['gender'=>'male', 'city'=>'beijing']

• $baseUrl: default value is empty string.

• $blackList: this is blacklist for filters, default value is [], exp:['pageindex'].

setBlackList(array $list)

set black list for filter.

example:

$fm->setBlackList(['page', 'pageindex']);
//or in laravel
FilterManager::setBlackList(['page', 'pageindex']);

has($filterName)

whether has the character filter, if true will return the value, if don`t return false.

example:

$value = $fm->has('gender');

//or in laravel
$value = FilterManager::has('gender');

isActive($filterName, $filterValue, $trueReturn, $falseReturn)

example:

//in laravel
FilterManager::isActive('gender', 'male');//this will return true or false;

FilterManager::isActive('gender', 'male', 'active', '');//this will return 'active' or '';

url($filterName, $filterValue, $multi, $linkageRemoveFilters, $blackList)

One filter has some values, and every value has a url, this method return a full url string.

• $filterName: param name, required.

• $filterValue: param value, default value is FM_SELECT_ALL.

• $multi: whether to support multiple values? false or true, default value is false.

• $linkageRemoveFilters：linkage remove the other filter, default value is [].

• $blackList: temporary blacklist, default value is [].

example:

//in laravel
FilterManager::url('gender', FM_SELECT_ALL);//without gender param

FilterManager::url('gender', 'male', false);//single value

FilterManager::url('cities', 'shanghai', true);
FilterManager::url('cities', 'beijing', true);//multiple values

// One province has many cities, one city has many counties ...,
// If you select 'all province' or one of provinces,
// you should linkage remove the selected cities and counties ...
//
// like this:
// select all province
FilterManager::url('province', FM_SELECT_ALL, false, ['cities', 'counties', ...]);//linkage remove selected cities
// select one province
FilterManager::url('province', 'sichuan', false, ['cities', 'counties', ...]);//linkage remove selected cities