Added type enum param to update(settings:)

Examples/destination_plugins/AdjustDestination.swift

@@ -55,7 +55,10 @@ class AdjustDestination: NSObject, DestinationPlugin, RemoteNotifications {
 
     internal var settings: AdjustSettings? = nil
 
-    public func update(settings: Settings) {
+    public func update(settings: Settings, type: UpdateType) {
+        // we've already set up this singleton SDK, can't do it again, so skip.
+        guard type == .initial else { return }
+
         guard let settings: AdjustSettings = settings.integrationSettings(forPlugin: self) else { return }
         self.settings = settings
 

Examples/destination_plugins/AmplitudeSession.swift

@@ -52,7 +52,7 @@ class AmplitudeSession: EventPlugin, iOSLifecycle {
     private var sessionID: TimeInterval?
     private let fireTime = TimeInterval(300)
 
-    func update(settings: Settings) {
+    func update(settings: Settings, type: UpdateType) {
         if settings.isDestinationEnabled(key: key) {
             active = true
         } else {

Examples/destination_plugins/AppsFlyerDestination.swift

@@ -54,7 +54,10 @@ class AppsFlyerDestination: UIResponder, DestinationPlugin  {
 
     fileprivate var settings: AppsFlyerSettings? = nil
 
-    public func update(settings: Settings) {
+    public func update(settings: Settings, type: UpdateType) {
+        // we've already set up this singleton SDK, can't do it again, so skip.
+        guard type == .initial else { return }
+
         guard let settings: AppsFlyerSettings = settings.integrationSettings(forPlugin: self) else { return }
         self.settings = settings
 

Examples/destination_plugins/FirebaseDestination.swift

@@ -53,7 +53,10 @@ class FirebaseDestination: DestinationPlugin {
     let key = "Firebase"
     var analytics: Segment.Analytics? = nil
 
-    func update(settings: Settings) {
+    func update(settings: Settings, type: UpdateType) {
+        // we've already set up this singleton SDK, can't do it again, so skip.
+        guard type == .initial else { return }
+
         guard let firebaseSettings: FirebaseSettings = settings.integrationSettings(forPlugin: self) else { return }
         if let deepLinkURLScheme = firebaseSettings.deepLinkURLScheme {
             FirebaseOptions.defaultOptions()?.deepLinkURLScheme = deepLinkURLScheme

Examples/destination_plugins/FlurryDestination.swift

@@ -57,7 +57,10 @@ class FlurryDestination: DestinationPlugin {
 
     var screenTracksEvents = false
 
-    func update(settings: Settings) {
+    func update(settings: Settings, type: UpdateType) {
+        // we've already set up this singleton SDK, can't do it again, so skip.
+        guard type == .initial else { return }
+
         guard let flurrySettings: FlurrySettings = settings.integrationSettings(forPlugin: self) else { return }
 
         let builder = FlurrySessionBuilder()

Examples/destination_plugins/MixpanelDestination.swift

@@ -47,7 +47,9 @@ class MixpanelDestination: DestinationPlugin, RemoteNotifications {
     private var mixpanel: MixpanelInstance? = nil
     private var settings: [String: Any]? = nil
 
-    func update(settings: Settings) {
+    func update(settings: Settings, type: UpdateType) {
+        // we've already set up this singleton SDK, can't do it again, so skip.
+        guard type == .initial else { return }
 
         // If we have a mixpanel instance, dump all the data first
         mixpanel?.flush()

README.md

@@ -301,18 +301,19 @@ class AppsFlyerDestination: UIResponder, DestinationPlugin, UserActivities, Remo
         analytics?.track(name: "AppsFlyer Loaded")
     }
 
-    public func update(settings: Settings) {
-
-        guard let settings: AppsFlyerSettings = settings.integrationSettings(name: "AppsFlyer") else {return}
-        self.settings = settings
+    public func update(settings: Settings, type: UpdateType) {
+        if type == .initial {
+            // AppsFlyerLib is a singleton, we only want to set it up once.
+            guard let settings: AppsFlyerSettings = settings.integrationSettings(name: "AppsFlyer") else {return}
+            self.settings = settings
+
+            AppsFlyerLib.shared().appsFlyerDevKey = settings.appsFlyerDevKey
+            AppsFlyerLib.shared().appleAppID = settings.appleAppID
+            AppsFlyerLib.shared().isDebug = true
+            AppsFlyerLib.shared().deepLinkDelegate = self
+        }
 
-
-        AppsFlyerLib.shared().appsFlyerDevKey = settings.appsFlyerDevKey
-        AppsFlyerLib.shared().appleAppID = settings.appleAppID
-        AppsFlyerLib.shared().isDebug = true
-        AppsFlyerLib.shared().deepLinkDelegate = self
-
-	// additional update logic
+        // additional update logic
   }
 
 // ...

Segment.xcodeproj/project.pbxproj

@@ -121,6 +121,16 @@
 		46A018D325E6C9C200F9CCD8 /* LinuxUtils.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LinuxUtils.swift; sourceTree = "<group>"; };
 		46A018D925E97FDF00F9CCD8 /* AppleUtils.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppleUtils.swift; sourceTree = "<group>"; };
 		46A018ED25E9A74F00F9CCD8 /* VendorSystem.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = VendorSystem.swift; sourceTree = "<group>"; };
+		46D98E3D26D6FEF300E7A86A /* FlurryDestination.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FlurryDestination.swift; sourceTree = "<group>"; };
+		46D98E3E26D6FEF300E7A86A /* AdjustDestination.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AdjustDestination.swift; sourceTree = "<group>"; };
+		46D98E3F26D6FEF300E7A86A /* MixpanelDestination.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MixpanelDestination.swift; sourceTree = "<group>"; };
+		46D98E4026D6FEF300E7A86A /* AppsFlyerDestination.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppsFlyerDestination.swift; sourceTree = "<group>"; };
+		46D98E4126D6FEF300E7A86A /* FirebaseDestination.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FirebaseDestination.swift; sourceTree = "<group>"; };
+		46D98E4226D6FEF300E7A86A /* AmplitudeSession.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AmplitudeSession.swift; sourceTree = "<group>"; };
+		46D98E4426D6FEF300E7A86A /* UIKitScreenTracking.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UIKitScreenTracking.swift; sourceTree = "<group>"; };
+		46D98E4526D6FEF300E7A86A /* ConsentTracking.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ConsentTracking.swift; sourceTree = "<group>"; };
+		46D98E4626D6FEF300E7A86A /* IDFACollection.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = IDFACollection.swift; sourceTree = "<group>"; };
+		46D98E4726D6FEF300E7A86A /* ConsoleLogger.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ConsoleLogger.swift; sourceTree = "<group>"; };
 		46E382E62654429A00BA2502 /* Utils.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Utils.swift; sourceTree = "<group>"; };
 		46F7485B26C718710042798E /* ObjCAnalytics.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ObjCAnalytics.swift; sourceTree = "<group>"; };
 		46F7485C26C718710042798E /* ObjCConfiguration.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ObjCConfiguration.swift; sourceTree = "<group>"; };
@@ -217,6 +227,41 @@
 			path = Vendors;
 			sourceTree = "<group>";
 		};
+		46D98E3B26D6FED300E7A86A /* Examples */ = {
+			isa = PBXGroup;
+			children = (
+				46D98E3C26D6FEF300E7A86A /* destination_plugins */,
+				46D98E4326D6FEF300E7A86A /* other_plugins */,
+			);
+			name = Examples;
+			sourceTree = "<group>";
+		};
+		46D98E3C26D6FEF300E7A86A /* destination_plugins */ = {
+			isa = PBXGroup;
+			children = (
+				46D98E3D26D6FEF300E7A86A /* FlurryDestination.swift */,
+				46D98E3E26D6FEF300E7A86A /* AdjustDestination.swift */,
+				46D98E3F26D6FEF300E7A86A /* MixpanelDestination.swift */,
+				46D98E4026D6FEF300E7A86A /* AppsFlyerDestination.swift */,
+				46D98E4126D6FEF300E7A86A /* FirebaseDestination.swift */,
+				46D98E4226D6FEF300E7A86A /* AmplitudeSession.swift */,
+			);
+			name = destination_plugins;
+			path = Examples/destination_plugins;
+			sourceTree = "<group>";
+		};
+		46D98E4326D6FEF300E7A86A /* other_plugins */ = {
+			isa = PBXGroup;
+			children = (
+				46D98E4426D6FEF300E7A86A /* UIKitScreenTracking.swift */,
+				46D98E4526D6FEF300E7A86A /* ConsentTracking.swift */,
+				46D98E4626D6FEF300E7A86A /* IDFACollection.swift */,
+				46D98E4726D6FEF300E7A86A /* ConsoleLogger.swift */,
+			);
+			name = other_plugins;
+			path = Examples/other_plugins;
+			sourceTree = "<group>";
+		};
 		96208624256DC23F00314F8D /* Frameworks */ = {
 			isa = PBXGroup;
 			children = (
@@ -330,6 +375,7 @@
 		OBJ_5 = {
 			isa = PBXGroup;
 			children = (
+				46D98E3B26D6FED300E7A86A /* Examples */,
 				OBJ_7 /* Sources */,
 				OBJ_10 /* Tests */,
 				OBJ_6 /* Package.swift */,

Sources/Segment/Plugins.swift

@@ -23,12 +23,17 @@ public enum PluginType: Int, CaseIterable {
     case utility
 }
 
+public enum UpdateType {
+    case initial
+    case refresh
+}
+
 public protocol Plugin: AnyObject {
     var type: PluginType { get }
     var analytics: Analytics? { get set }
 
     func configure(analytics: Analytics)
-    func update(settings: Settings)
+    func update(settings: Settings, type: UpdateType)
     func execute<T: RawEvent>(event: T?) -> T?
     func shutdown()
 }

Sources/Segment/Plugins/SegmentDestination.swift

@@ -59,7 +59,7 @@ public class SegmentDestination: DestinationPlugin {
         }
     }
 
-    public func update(settings: Settings) {
+    public func update(settings: Settings, type: UpdateType) {
         let segmentInfo = settings.integrationSettings(forKey: self.key)
         apiKey = segmentInfo?[Self.Constants.apiKey.rawValue] as? String
         apiHost = segmentInfo?[Self.Constants.apiHost.rawValue] as? String

Sources/Segment/Settings.swift

@@ -86,19 +86,19 @@ extension Settings: Equatable {
 }
 
 extension Analytics {
-    internal func update(settings: Settings) {
+    internal func update(settings: Settings, type: UpdateType) {
         apply { (plugin) in
             // tell all top level plugins to update.
-            update(plugin: plugin, settings: settings)
+            update(plugin: plugin, settings: settings, type: type)
         }
     }
 
-    internal func update(plugin: Plugin, settings: Settings) {
-        plugin.update(settings: settings)
+    internal func update(plugin: Plugin, settings: Settings, type: UpdateType) {
+        plugin.update(settings: settings, type: type)
         // if it's a destination, tell it's plugins to update as well.
         if let dest = plugin as? DestinationPlugin {
             dest.apply { (subPlugin) in
-                subPlugin.update(settings: settings)
+                subPlugin.update(settings: settings, type: type)
             }
         }
     }
@@ -121,6 +121,10 @@ extension Analytics {
 
         let writeKey = self.configuration.values.writeKey
         let httpClient = HTTPClient(analytics: self, cdnHost: configuration.values.cdnHost)
+        let systemState: System? = store.currentState()
+        let hasSettings = (systemState?.settings?.integrations != nil && systemState?.settings?.plan != nil)
+        let updateType = (hasSettings ? UpdateType.refresh : UpdateType.initial)
+
         // stop things; queue in case our settings have changed.
         store.dispatch(action: System.ToggleRunningAction(running: false))
         httpClient.settingsFor(writeKey: writeKey) { (success, settings) in
@@ -130,7 +134,7 @@ extension Analytics {
                     // this will cause them to be cached.
                     self.store.dispatch(action: System.UpdateSettingsAction(settings: s))
                     // let plugins know we just received some settings..
-                    self.update(settings: s)
+                    self.update(settings: s, type: updateType)
                 }
             }
             // we're good to go back to a running state.

Sources/Segment/Timeline.swift

@@ -56,7 +56,7 @@ internal class Mediator {
     internal func add(plugin: Plugin) {
         plugins.append(plugin)
         if let settings = plugin.analytics?.settings() {
-            plugin.update(settings: settings)
+            plugin.update(settings: settings, type: .initial)
         }
     }
 
@@ -139,7 +139,7 @@ extension Plugin {
         return event
     }
 
-    public func update(settings: Settings) {
+    public func update(settings: Settings, type: UpdateType) {
         // do nothing by default, user can override.
     }
 

Tests/Segment-Tests/Support/TestUtilities.swift

@@ -82,7 +82,7 @@ class MyDestination: DestinationPlugin {
         self.trackCompletion = trackCompletion
     }
 
-    func update(settings: Settings) {
+    func update(settings: Settings, type: UpdateType) {
         //
     }