Change tab on visit, based on path configuration

[janpeterka]

We have a dashboard, which has link to announcement.
Our TabBar has tab for dashboard and tab for announcements.

Opening the announcement from dashboard pushes new screen, as expected, on dashboard tab.
I want it to change the tab to announcements and push new screen there.

I tried this, using path configuration properties:

func handle(proposal: VisitProposal, from navigator: Navigator) -> ProposalResult {
        let tab = proposal.properties["tab", default: ""]
        print(tab as! String)
        
        switch tab as! String {
        case "announcements":
            tabBarController.selectedIndex = 3
            return .accept
        default:
            return .accept
        }

But that only changes tab, and doesnt add new screen with announcement.
I expect problem is that handle gets navigator, and it cannot be changed during the

Is it possible to change the tab and navigator and finish the visit there?

[janpeterka]

I found out the answer while I was writing the question (it was sort of rubber duck i guess), but I did publish it, so it may help someone, or there might be some problems in my solution someone will point out.

I ended with this:

// SceneDelegate.swift
func handle(proposal: VisitProposal, from navigator: Navigator) -> ProposalResult {
        let tab = proposal.properties["tab", default: ""]
        
        switch tab as! String {
        case "announcements":
            if (tabBarController.selectedIndex == 3) {
                return .accept
            }

            tabBarController.selectedIndex = 3
            tabBarController.navigator(for: HotwireTab.announcements)?.route(proposal)
            return .reject
        default:
            break
        }

// path-configuration.json
...
{
      "patterns": [
        "/announcements/[0-9]+$"
      ],
      "properties": {
        "tab": "announcements"
      }
    }
...

// Tabs.swift
... 
extension HotwireTab {
    static let all = [
                    dashboardTab,
                    reporterTab,
                    eventsTab,
                    announcementsTab,
                    otherTab
                    ]

    static let announcements = announcementsTab
}

I will probably do some renaming, as well as setting index number dynamically, or at least from Tabs file. But the core idea is here, and seems to beworking