When to Use General Bundles vs. Specific Bundles in Symfony2?

General Bundles vs. Specific Bundles in Symfony2

Bundles for General Features

You inquire about the suitability of creating general bundles, such as FrontendBundle and BackendBundle, to hold code shared by both the frontend and backend. While this approach can be justified, it is generally not considered best practice.

CommonBundle for Shared Functionality

Instead of using separate bundles for general features, consider creating a CommonBundle. This bundle would house components that are utilized by multiple bundles, such as:

• Common CSS and JavaScript assets
• Layouts for frontend and backend
• Twig extensions or macros for generic functionality

Avoiding Layout Dispersion

You mention concerns about the location of layouts. The Symfony best practices recommend against placing layouts in bundles. Instead, it is preferred to store them in the app/Resources/views/ directory. This centralizes their management and simplifies template inheritance.

RootBundle for App-wide Functionality

You propose a RootBundle to contain all app-specific code. While this is a viable option, it can lead to a large, unwieldy bundle. A better approach is to create dedicated bundles for specific functionalities, such as:

• DateDisplayerBundle
• PaginatorBundle

These dedicated bundles allow for cleaner code organization and easier reuse across multiple projects.

Conclusion

The optimal bundle structure for a Symfony2 application depends on the specific requirements. However, following the best practices outlined above can help improve code organization, maintainability, and reusability.

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