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About Wokas
Wokas are made of a set of layers (for custom wokas), or of only 1 layers (if selected from the first screen)
Internally, each layer has:
- a name
- a URL
Connection to a map
When a user connects to a map, it sends, as a web-socket parameter, the list of layer names.
The pusher is in charge of converting those layer names into the URLs. This way, a client cannot send any random URL to the pusher.
When the pusher receives the layer names, it validates these names and sends back the URLs + sends the names+urls to the back. If the layers cannot be validated, the websocket connections sends an error message and closes. The user is sent back to the "choose your Woka" screen.
Getting the list of available Wokas
The pusher can send the list of available Wokas to the user. It can actually query the admin for this list, if needed (= if an admin is configured)
In the pusher
The pusher contains a classes in charge of managing the Wokas:
LocalWokaService: used when no admin is connected. Returns a hard-coded list of Wokas (stored inpusher/data/woka.json).AdminWokaService: used to delegate the list of Wokas to the admin.