Make shareserver URL configurable in the GUI

Cartfile

@@ -1,7 +1,7 @@
 github "LoopKit/LoopKit" == 1.3.0
 github "LoopKit/xDripG5" ~> 0.8.0
 github "i-schuetz/SwiftCharts" ~> 0.6.0
-github "mddub/dexcom-share-client-swift" == 0.2.1
+github "mddub/dexcom-share-client-swift" "master"
 github "mddub/G4ShareSpy" == 0.3.2
 github "ps2/rileylink_ios" == 1.1.0
 github "amplitude/Amplitude-iOS" ~> 3.8.5

Cartfile.resolved

@@ -1,7 +1,7 @@
-github "LoopKit/LoopKit" "v1.3.0"
-github "LoopKit/xDripG5" "v0.8.0"
 github "amplitude/Amplitude-iOS" "v3.14.1"
-github "i-schuetz/SwiftCharts" "0.6"
 github "mddub/G4ShareSpy" "v0.3.2"
-github "mddub/dexcom-share-client-swift" "v0.2.1"
+github "LoopKit/LoopKit" "v1.3.0"
+github "i-schuetz/SwiftCharts" "0.6"
+github "mddub/dexcom-share-client-swift" "965eca4d8dc3df5a8a7e16bbd6ed11c6def2f7a4"
 github "ps2/rileylink_ios" "v1.1.0"
+github "LoopKit/xDripG5" "v0.8.0"

Loop/Models/ServiceAuthentication/ShareService.swift

@@ -9,14 +9,15 @@
 import Foundation
 import ShareClient
 
+fileprivate let defaultShareServer: String="https://share1.dexcom.com"
 
 // Encapsulates the Dexcom Share client service and its authentication
 struct ShareService: ServiceAuthentication {
     var credentials: [ServiceCredential]
 
     let title: String = NSLocalizedString("Dexcom Share", comment: "The title of the Dexcom Share service")
 
-    init(username: String?, password: String?) {
+    init(username: String?, password: String?, server: String=defaultShareServer) {
         credentials = [
             ServiceCredential(
                 title: NSLocalizedString("Username", comment: "The title of the Dexcom share username credential"),
@@ -31,12 +32,19 @@ struct ShareService: ServiceAuthentication {
                 isSecret: true,
                 keyboardType: .asciiCapable,
                 value: password
-            )
+            ),
+            ServiceCredential(
+                title: NSLocalizedString("Server (optional)", comment: "The title of the share server URL credential"),
+                placeholder: NSLocalizedString(defaultShareServer, comment: "The placeholder text for the share server URL credential"),
+                isSecret: false,
+                keyboardType: .URL,
+                value: server
+            ),
         ]
 
         if let username = username, let password = password {
             isAuthorized = true
-            client = ShareClient(username: username, password: password)
+            client = ShareClient(username: username, password: password, shareServer: ShareServer.Custom(server))
         }
     }
 
@@ -50,6 +58,14 @@ struct ShareService: ServiceAuthentication {
     var password: String? {
         return credentials[1].value
     }
+    var server: String{
+        let url = credentials[2].value
+        if (url?.isEmpty)! {
+            return defaultShareServer
+        }
+        return url!
+
+    }
 
     var isAuthorized: Bool = false
 
@@ -59,7 +75,7 @@ struct ShareService: ServiceAuthentication {
             return
         }
 
-        let client = ShareClient(username: username, password: password)
+        let client = ShareClient(username: username, password: password, shareServer: ShareServer.Custom(server))
         client.fetchLast(1) { (error, _) in
             completion(true, error)
         }