Module development and code questions

Someone could explain me what is the function of the .module file in a custum module?

Thanks!!!

Hello,

is there a best practice for implementing access checks of menu links that link to external URLs?

Hi all.

When updating a bundle from jsonapi (patch) the revision of the entity is not updated.

I am trying to create a hook in order to somehow force the increment of the revision id by 1, but with no luck.

E.g. the jsonapi patch does not comes through 'presave' hook (if i am not wrong).

Do you have any ideas on how i can manage this?

Thank you in advance.

In the book module it's possible to export a book to various formats. In Drupal 9 (and I guess 8) this is done through BookController::bookExport($type, NodeInterface $node) which requests the contents of the book from the method BookExport::bookExport{$type}($node), where $type and $node are passed from the URL.

Hi,

I need Commerce Postal Code Filter module in Drupal 8 version.
my issue when user fill specific postal code then only shipping pf product are available.
example: country: India, state: Maharashtra, city: Mumbai, postal code: 400060 then if user type postal code: 400069 then shipping are not available.

list of postal code available:

400060

400001

400002

400056

apart from this postal code then shipping are not available for Product.

Hi,

I am trying to make a custom sort in my query like the following:

$available_sources_text = db_query("SELECT * FROM `heritage_source_info`WHERE text_id = :textid AND format = :format ORDER BY FIELD(type,'moolam','translation','commentary')", [':textid' => $textid, ':format' => 'text'])->fetchAll();
 

This throws a syntax error. Please let me know what is the correct syntax for ordering?

Thanks