Enhancing LinkedIn Publishing with Error Handling and Internationalization

Introduction

Our LinkedIn publishing feature required enhancements to improve user experience and adherence to project standards. This post details the implementation of error handling for post scheduling and internationalization of new error messages.

The Challenge

• Unique constraint violations when scheduling posts for the same day needed proper handling
• Error messages required internationalization for consistency across languages

The Solution

We introduced a PostAlreadyScheduledException to handle unique constraint violations and updated the PostResource to catch this exception, providing user-friendly notifications.

// PostAlreadyScheduledException.php
class PostAlreadyScheduledException extends Exception
{
    public function __construct(string $message = 'This post is already scheduled for publication on LinkedIn. Only one post per day is allowed.', int $code = 0, ?\Throwable $previous = null)
    {
        parent::__construct($message, $code, $previous);
    }
}

We also internationalized new error messages in English, Spanish, French, and German, ensuring consistency across languages.

// lang/en/filament.php
'post_already_scheduled' => 'Post Already Scheduled',
'post_already_scheduled_body' => 'This post is already scheduled for publication on LinkedIn. Only one post per day is allowed.',

Key Decisions

1. Introducing a custom exception for handling unique constraint violations, providing a clear and consistent error message
2. Internationalizing error messages to ensure a consistent user experience across languages

Results

• Improved error handling for post scheduling
• Enhanced user experience with internationalized error messages

Lessons Learned

Implementing custom exceptions for specific error cases and internationalizing error messages are crucial for providing a robust and user-friendly application.

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