Скачать или смотреть How to Create SELECT * FROM TABLE WHERE user_id = id in Laravel 8

Learn how to customize your data queries in Laravel 8 to filter results based on the logged-in user's ID with this step-by-step guide.
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This video is based on the question https://stackoverflow.com/q/65938424/ asked by the user 'Vysco Zyza' ( https://stackoverflow.com/u/12305750/ ) and on the answer https://stackoverflow.com/a/65938980/ provided by the user 'Bhagwat Gavande' ( https://stackoverflow.com/u/15097729/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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How to Create SELECT * FROM TABLE WHERE user_id = id in Laravel 8

If you're building a web application using Laravel 8, you might encounter situations where you need to display data specific to the logged-in user. One common query you might want to perform is filtering entries in a database table based on the user_id of the authenticated user. In this guide, we'll break down the approach step by step to ensure that the data displayed is relevant to the user who is currently logged in.

The Problem at Hand

Imagine you have a controller method that retrieves all posts but lacks a filter for the user_id. This means every user would see all posts, which is typically not desirable for applications that manage user-specific data. Your goal is to adjust your query to ensure only the posts belonging to a user get displayed.

Original Code

Here’s what your original controller method looks like:

[[See Video to Reveal this Text or Code Snippet]]

In this code snippet, you are currently fetching the latest posts without any restrictions, which means any logged-in user can see posts from all users.

The Solution

To resolve the issue at hand, you need to modify your query to filter results so that only the posts created by the currently logged-in user are retrieved. Here’s how it should look:

[[See Video to Reveal this Text or Code Snippet]]

Breakdown of the Changes

Use of where Condition: The method where('user_id', Auth::id()) is added to filter posts. Auth::id() fetches the ID of the currently authenticated user, thus allowing you to check against the user_id in your Posts table.

Maintained Pagination: The call to paginate(5) remains intact, meaning the results will still be paginated, displaying 5 posts per page.

Passing Data to Views: The modified method continues to pass the filtered $posts variable to the view named staffHome, ensuring your view receives the correct data.

Presented in the View

In your view, the loop remains the same as you simply need to iterate over the fetched posts without any additional modification:

[[See Video to Reveal this Text or Code Snippet]]

Conclusion

By tweaking your query to filter based on the user_id, you ensure a personalized experience for users of your application. This simple adjustment enhances data security and improves user experience by presenting them only with their relevant content. Now, users will be able to see their posts while ensuring others' posts remain hidden from view.

Feel free to implement these changes and observe how they enhance your application's functionality! If you have further questions or need clarification on any steps, don’t hesitate to reach out. Happy coding!