[2.x] Refactor NavItem class

[caendesilva]

Major/breaking changes:

• Rename dropdown method to forGroup
• Merge fromRoute method into forRoute
• The destination value is now always null for parents with children

[caendesilva]

ChatGPT feedback prior to this PR:

The provided PHP class NavItem appears well-structured and follows certain coding standards. However, here are some suggestions for improvement:

1. Documentation:

   • The class includes comments, which is good. However, consider providing more detailed explanations for some methods, especially complex ones or those with specific use cases.
   • Document the class properties, especially their purpose and expected values.

2. Type Hinting:

   • The type hinting is well-done with declare(strict_types=1) and type hints for parameters and return values. Make sure to continue this practice in any new methods or modifications.

3. Use of Static Methods:

   • The class utilizes static methods effectively for creating instances. Consider making the normalizeGroupKey and makeIdentifier methods static as they do not rely on instance-specific data.

4. Consistency:

   • Ensure consistency in method naming. For instance, some methods use getLink(), while others use getDestination()->getLink(). You might want to standardize this for clarity.

5. Error Handling:

   • Ensure proper error handling, especially in the constructor when trying to obtain a route. If Routes::get($destination) returns null, there should be a mechanism to handle such cases.

6. Default Values:

   • Consider using default values for optional parameters in methods instead of setting them to null. This can improve code readability.

7. Use of Magic Methods:

   • The __toString method is utilized well to resolve a link to the navigation item. Ensure it gracefully handles cases where the destination is null (in case of dropdowns).

8. Complexity:

   • The getPriority method appears a bit complex. Consider breaking it down into smaller, more understandable methods or adding comments to explain its logic.

9. Consistent Method Order:

   • Maintain a consistent order of methods within the class. Currently, it starts with the constructor, followed by static methods. Ensure this order is intentional and aligns with readability.

10. Testing:

    • If not already in place, consider adding unit tests to ensure the correctness of the class functionality, especially for methods with complex logic.

11. Visibility of Properties:

    • Consider adjusting the visibility of properties based on whether they need to be accessed outside the class. As a best practice, use private visibility and provide getter methods if necessary.

12. Code Formatting:

    • Ensure consistent code formatting (indentation, spacing) throughout the class.

By addressing these suggestions, the class can be further improved in terms of readability, maintainability, and overall robustness.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.95%. Comparing base (5405db0) to head (418db00).

Additional details and impacted files

@@                         Coverage Diff                         @@
##             improved-navigation-internals    #1599      +/-   ##
===================================================================
- Coverage                            99.95%   99.95%   -0.01%     
+ Complexity                            1777     1775       -2     
===================================================================
  Files                                  183      183              
  Lines                                 4803     4801       -2     
===================================================================
- Hits                                  4801     4799       -2     
  Misses                                   2        2              

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