Basic network call implementation

KlipperMon/KlipperMonMenuBarExtraView.swift

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+//
+//  KlipperMonMenuBarExtraView.swift
+//  KlipperMon
+//
+//  Created by maddiefuzz on 2/7/23.
+//
+
+import SwiftUI
+
+struct KlipperMonMenuBarExtraView: View {
+    @State var printPercentage: Double = 0
+    @Binding var currentMenuBarIcon: String
+    
+    let timer = Timer.publish(every: 1, on: .main, in: .common).autoconnect()
+    
+    var body: some View {
+        Label(String(printPercentage), systemImage: "thermometer.snowflake.circle")
+            .onReceive(timer) { input in
+                Task {
+                    self.printPercentage = await self.getPrintPercentage()
+                }
+            }
+        
+        Button("Check Printer") {
+            currentMenuBarIcon = "flame"
+        }
+    }
+    
+    func getPrintPercentage() async -> Double {
+        guard let url = URL(string: "http://10.0.21.39/printer/objects/query?extruder=temperature") else {
+            fatalError("Missing URL")
+        }
+        
+        let urlRequest = URLRequest(url: url)
+        do {
+            let (data, response) = try await URLSession.shared.data(for: urlRequest)
+            guard let httpResponse = response as? HTTPURLResponse, httpResponse.statusCode == 200 else {
+                print("Error!")
+                return -1
+            }
+            print(String(data: data, encoding: .utf8))
+            let decoder = JSONDecoder()
+            let printerObjectsQuery = try decoder.decode(PrinterObjectsQuery.self, from: data)
+            return printerObjectsQuery.result.status.extruder.temperature
+            // handle data as JSON
+        } catch {
+            print("Error!")
+            return -1
+        }
+    }
+}
+
+struct KlipperMonMenuBarExtraView_Previews: PreviewProvider {
+    @State static var currentMenuBarIcon = "move.3d"
+    static var previews: some View {
+        KlipperMonMenuBarExtraView(currentMenuBarIcon: $currentMenuBarIcon)
+    }
+}