Model Filtering Concept: QueryFilter in Laravel
QueryFilter concept of Laravel is quite an easy refactor, but eventually, it can bring a lot of flexibility to your code, by having different logics responsibilities as well as the opportunity to focus on custom filter behaviors. This concept can be applied to any programming language or any framework as nowadays, everyone Hire Laravel Developer to follow the same.
Here is the concept of using the PHP Laravel framework as an example.
1. The QueryFilter Concept
QueryFilter is responsible for filtering based on the URL query. Here we are talking about filtering models according to the query string that you have.
GET /posts?title=source&status=publish
2. The Example Of A Laravel Application
This Laravel application is only responsible for showing posts in the GET/POST URL, by returning the post collection in JSON format. Corcel is used in this application only for retrieving posts from the database and playing with the filters using the concept called QueryFilter.
3. The Basic Filtering Process
The most critical thing that comes as the main priority is to introduce a Request occasion in the controller action and channel the post status by what we have in the query string (URL).
4. Implementation Of QueryFilter
The easiest method to know about this filtering concept is that you will have a filter class for every and every resource you have, you will need to match the methods with each field, that you want to filter. Keep in mind the URL we have:
GET /posts?title=source&status=publish
5. The filter () scope
All filtering process is related to a version contractor in this instance. So we have to discover a method to call the filter's -> apply($ builder) approach from, sending out to it the design home builder course you intend to filter.
6. Method-injecting the Postfilter class
Since we have all the QueryFilter reasoning carried out the only thing that we need to do is to method-inject a PostFilter instance in our PostController:: index() action and also call the filter() extent we created for the Message design.
Conclusion:
The QueryFilter principle is extremely handful for me, enabling me to draw out added obligation from the controller classes. This even makes easy to compose tests, due to the fact that you could have easy system evaluates that examination just the Building contractor web content according to the query string.
Company Information
Company: Elsner Technologies Pvt Ltd
Address: 3405 Pennsylvania Common, Fremont, CA 94536 USA
Phone: +1 (607) 524-4040
Email: Sales@elsner.com
Website: www.elsner.com
