This ResourceSpace plugin will send a message to a specified Google Pubsub Topic when a user uploads a file.

To install this plugin, extract it in the ResourceSpace plugins directory, and then either add "resourcespace_to_pubsub" to your plugins array in config.php, or use the new plugins manager to activate it.

On list of plugins page, search for PubSub

Once activated, configure project id, topic name and service account on settings page.

Voilà! After every file uploaded successfully, this plugin will send a message to the PubSub topic configured. With message format:

{
    "resource_id": 0 // id of resource uploaded
}

Note: Even if failed send message, the upload will be finish successfully. Errors will be logged in php error log and resourcespace debug log. Just grep for pubsub on files to find it.