7853 Track Displayed Just In Time Message event

Author: joshheald

WooCommerce/Classes/Analytics/WooAnalyticsEvent.swift

@@ -649,6 +649,17 @@ extension WooAnalyticsEvent {
                               error: error)
         }
 
+        static func messageDisplayed(source: String,
+                                     messageID: String,
+                                     featureClass: String) -> WooAnalyticsEvent {
+            WooAnalyticsEvent(statName: .justInTimeMessageDisplayed,
+                              properties: [
+                                Keys.source: source,
+                                Keys.justInTimeMessageID: messageID,
+                                Keys.justInTimeMessageGroup: featureClass
+                              ])
+        }
+
         static func callToActionTapped(source: String,
                                        messageID: String,
                                        featureClass: String) -> WooAnalyticsEvent {

WooCommerce/Classes/Analytics/WooAnalyticsStat.swift

@@ -634,6 +634,7 @@ public enum WooAnalyticsStat: String {
     case justInTimeMessageDismissFailure = "jitm_dismiss_failure"
     case justInTimeMessageFetchSuccess = "jitm_fetch_success"
     case justInTimeMessageFetchFailure = "jitm_fetch_failure"
+    case justInTimeMessageDisplayed = "jitm_displayed"
 
     // MARK: Simple Payments events
     //

WooCommerce/Classes/ViewModels/Feature Announcement Cards/JustInTimeMessageAnnouncementCardViewModel.swift

@@ -71,7 +71,9 @@ final class JustInTimeMessageAnnouncementCardViewModel: AnnouncementCardViewMode
 
     // MARK: - AnnouncementCardViewModelProtocol methods
     func onAppear() {
-        // No-op
+        analytics.track(event: .JustInTimeMessage.messageDisplayed(source: screenName,
+                                                                   messageID: messageID,
+                                                                   featureClass: featureClass))
     }
 
     func ctaTapped() {

WooCommerce/WooCommerceTests/ViewModels/Feature Announcement Cards/JustInTimeMessageAnnouncementCardViewModelTests.swift

@@ -159,6 +159,17 @@ final class JustInTimeMessageAnnouncementCardViewModelTests: XCTestCase {
         assertAnalyticEventLogged(name: "jitm_dismiss_failure", message: message, error: expectedError)
     }
 
+    func test_onAppear_tracks_just_in_time_message_displayed_analytic_event() {
+        let message = Yosemite.JustInTimeMessage.fake().copy(messageID: "test-message-id", featureClass: "test-feature-class")
+        setUp(with: message)
+
+        // When
+        sut.onAppear()
+
+        // Then
+        assertAnalyticEventLogged(name: "jitm_displayed", message: message)
+    }
+
     private func assertAnalyticEventLogged(name: String, message: Yosemite.JustInTimeMessage) {
         let expectedProperties = ["jitm_id": message.messageID,
                                   "jitm_group": message.featureClass,