[updateDisplay]AppDelegate.swift func

updateDisplay.swift

func updateDisplay() {
        guard let feed = feed else { return }
        
        var text = "Error"
        
        switch displayMode {
        case 0:
            // summary text
            if let summary = feed["currently"]["summary"].string {
                text = summary
            }
            
        case 1:
            // Show current temperature
            if let temperature = feed["currently"]["temperature"].int {
                text = "\(temperature)°"
            }
            
        case 2:
            // Show chance of rain
            if let rain = feed["currently"]["precipProbability"].double {
                text = "Rain: \(rain * 100)%"
            }
            
        case 3:
            // Show cloud cover
            if let cloud = feed["currently"]["cloudCover"].double {
                text = "Cloud: \(cloud * 100)%"
            }
            
        default:
            // This should not be reached
            break
        }
        
        statusItem.button?.title = text
    }