Issue/11799 show announcement on app upgrade

WordPress/src/main/java/org/wordpress/android/ui/main/WPMainActivity.java

@@ -104,6 +104,7 @@
 import org.wordpress.android.ui.uploads.UploadActionUseCase;
 import org.wordpress.android.ui.uploads.UploadUtils;
 import org.wordpress.android.ui.uploads.UploadUtilsWrapper;
+import org.wordpress.android.ui.whatsnew.FeatureAnnouncementDialogFragment;
 import org.wordpress.android.util.AniUtils;
 import org.wordpress.android.util.AppLog;
 import org.wordpress.android.util.AppLog.T;
@@ -417,6 +418,11 @@ private void initViewModel() {
             }
         });
 
+        mViewModel.getOnFeatureAnnouncementRequested().observe(this, action -> {
+            new FeatureAnnouncementDialogFragment()
+                    .show(getSupportFragmentManager(), FeatureAnnouncementDialogFragment.TAG);
+        });
+
         mFloatingActionButton.setOnClickListener(v -> {
             mViewModel.onFabClicked(hasFullAccessToContent());
         });

WordPress/src/main/java/org/wordpress/android/ui/prefs/AppPrefs.java

@@ -215,6 +215,12 @@ public enum UndeletablePrefKey implements PrefKey {
 
         // used to indicate that we do not need to show the main FAB tooltip
         IS_MAIN_FAB_TOOLTIP_DISABLED,
+
+        // version of the last shown feature announcement
+        FEATURE_ANNOUNCEMENT_SHOWN_VERSION,
+
+        // last app version code feature announcement was shown for
+        LAST_FEATURE_ANNOUNCEMENT_APP_VERSION_CODE,
     }
 
     private static SharedPreferences prefs() {
@@ -1092,6 +1098,22 @@ private static List<String> getPostWithHWAccelerationOff() {
         return Arrays.asList(idsAsString.split(","));
     }
 
+    public static void setFeatureAnnouncementShownVersion(int version) {
+        setInt(UndeletablePrefKey.FEATURE_ANNOUNCEMENT_SHOWN_VERSION, version);
+    }
+
+    public static int getFeatureAnnouncementShownVersion() {
+        return getInt(UndeletablePrefKey.FEATURE_ANNOUNCEMENT_SHOWN_VERSION, -1);
+    }
+
+    public static int getLastFeatureAnnouncementAppVersionCode() {
+        return getInt(UndeletablePrefKey.LAST_FEATURE_ANNOUNCEMENT_APP_VERSION_CODE);
+    }
+
+    public static void setLastFeatureAnnouncementAppVersionCode(int version) {
+        setInt(UndeletablePrefKey.LAST_FEATURE_ANNOUNCEMENT_APP_VERSION_CODE, version);
+    }
+
     /*
      * adds a local site ID to the top of list of recently chosen sites
      */

WordPress/src/main/java/org/wordpress/android/ui/prefs/AppPrefsWrapper.kt

@@ -30,6 +30,14 @@ class AppPrefsWrapper @Inject constructor() {
         get() = AppPrefs.getNewsCardShownVersion()
         set(version) = AppPrefs.setNewsCardShownVersion(version)
 
+    var featureAnnouncementShownVersion: Int
+        get() = AppPrefs.getFeatureAnnouncementShownVersion()
+        set(version) = AppPrefs.setFeatureAnnouncementShownVersion(version)
+
+    var lastFeatureAnnouncementAppVersionCode: Int
+        get() = AppPrefs.getLastFeatureAnnouncementAppVersionCode()
+        set(version) = AppPrefs.setLastFeatureAnnouncementAppVersionCode(version)
+
     var avatarVersion: Int
         get() = AppPrefs.getAvatarVersion()
         set(version) = AppPrefs.setAvatarVersion(version)
@@ -122,6 +130,8 @@ class AppPrefsWrapper @Inject constructor() {
     fun getLastReaderKnownUserId() = AppPrefs.getLastReaderKnownUserId()
     fun setLastReaderKnownUserId(userId: Long) = AppPrefs.setLastReaderKnownUserId(userId)
 
+    fun getLastAppVersionCode() = AppPrefs.getLastAppVersionCode()
+
     companion object {
         private const val LIGHT_MODE_ID = 0
         private const val DARK_MODE_ID = 1

WordPress/src/main/java/org/wordpress/android/ui/whatsnew/FeatureAnnouncement.kt

@@ -4,6 +4,7 @@ import androidx.annotation.DrawableRes
 
 data class FeatureAnnouncement(
     val version: String,
+    val versionCode: Int,
     val detailsUrl: String,
     val features: List<FeatureAnnouncementItem>
 )

WordPress/src/main/java/org/wordpress/android/ui/whatsnew/FeatureAnnouncementProvider.kt

@@ -5,7 +5,7 @@ import javax.inject.Inject
 
 class FeatureAnnouncementProvider @Inject constructor() {
     private val localFeatureAnnouncement = FeatureAnnouncement(
-            "14.7", "https://wordpress.com/blog/2020/04/20/earth-day-live/", listOf(
+            "14.7", 857, "https://wordpress.com/blog/2020/04/20/earth-day-live/", listOf(
             FeatureAnnouncementItem(
                     "Super Publishing",
                     "Publish amazing articles using the power of your mind! Concentrate" +
@@ -27,7 +27,11 @@ class FeatureAnnouncementProvider @Inject constructor() {
     )
     )
 
-    fun getLatestFeatureAnnouncement(): FeatureAnnouncement {
+    fun getLatestFeatureAnnouncement(): FeatureAnnouncement? {
         return localFeatureAnnouncement
     }
+
+    fun isFeatureAnnouncementAvailable(): Boolean {
+        return getLatestFeatureAnnouncement() != null
+    }
 }

WordPress/src/main/java/org/wordpress/android/util/BuildConfigWrapper.kt

@@ -0,0 +1,14 @@
+package org.wordpress.android.util
+
+import org.wordpress.android.BuildConfig
+import javax.inject.Inject
+
+class BuildConfigWrapper @Inject constructor() {
+    fun getAppVersionCode(): Int {
+        return BuildConfig.VERSION_CODE
+    }
+
+    fun isFeatureAnnouncementEnabled(): Boolean {
+        return BuildConfig.FEATURE_ANNOUNCEMENT_AVAILABLE
+    }
+}

WordPress/src/main/java/org/wordpress/android/viewmodel/main/WPMainActivityViewModel.kt

@@ -12,11 +12,17 @@ import org.wordpress.android.ui.main.MainActionListItem.ActionType.NO_ACTION
 import org.wordpress.android.ui.main.MainActionListItem.CreateAction
 import org.wordpress.android.ui.main.MainFabUiState
 import org.wordpress.android.ui.prefs.AppPrefsWrapper
+import org.wordpress.android.ui.whatsnew.FeatureAnnouncementProvider
+import org.wordpress.android.util.BuildConfigWrapper
 import org.wordpress.android.viewmodel.Event
 import org.wordpress.android.viewmodel.SingleLiveEvent
 import javax.inject.Inject
 
-class WPMainActivityViewModel @Inject constructor(private val appPrefsWrapper: AppPrefsWrapper) : ViewModel() {
+class WPMainActivityViewModel @Inject constructor(
+    private val featureAnnouncementProvider: FeatureAnnouncementProvider,
+    private val buildConfigWrapper: BuildConfigWrapper,
+    private val appPrefsWrapper: AppPrefsWrapper
+) : ViewModel() {
     private var isStarted = false
 
     private val _fabUiState = MutableLiveData<MainFabUiState>()
@@ -34,36 +40,49 @@ class WPMainActivityViewModel @Inject constructor(private val appPrefsWrapper: A
     private val _startLoginFlow = MutableLiveData<Event<Boolean>>()
     val startLoginFlow: LiveData<Event<Boolean>> = _startLoginFlow
 
+    private val _onFeatureAnnouncementRequested = SingleLiveEvent<Unit>()
+    val onFeatureAnnouncementRequested: LiveData<Unit> = _onFeatureAnnouncementRequested
+
     fun start(isFabVisible: Boolean, hasFullAccessToContent: Boolean) {
         if (isStarted) return
         isStarted = true
 
         setMainFabUiState(isFabVisible, hasFullAccessToContent)
 
         loadMainActions()
+
+        if (buildConfigWrapper.isFeatureAnnouncementEnabled()) {
+            checkForFeatureAnnouncements()
+        }
     }
 
     private fun loadMainActions() {
         val actionsList = ArrayList<MainActionListItem>()
 
-        actionsList.add(CreateAction(
-                actionType = NO_ACTION,
-                iconRes = 0,
-                labelRes = R.string.my_site_bottom_sheet_title,
-                onClickAction = null
-        ))
-        actionsList.add(CreateAction(
-                actionType = CREATE_NEW_POST,
-                iconRes = R.drawable.ic_posts_white_24dp,
-                labelRes = R.string.my_site_bottom_sheet_add_post,
-                onClickAction = ::onCreateActionClicked
-        ))
-        actionsList.add(CreateAction(
-                actionType = CREATE_NEW_PAGE,
-                iconRes = R.drawable.ic_pages_white_24dp,
-                labelRes = R.string.my_site_bottom_sheet_add_page,
-                onClickAction = ::onCreateActionClicked
-        ))
+        actionsList.add(
+                CreateAction(
+                        actionType = NO_ACTION,
+                        iconRes = 0,
+                        labelRes = R.string.my_site_bottom_sheet_title,
+                        onClickAction = null
+                )
+        )
+        actionsList.add(
+                CreateAction(
+                        actionType = CREATE_NEW_POST,
+                        iconRes = R.drawable.ic_posts_white_24dp,
+                        labelRes = R.string.my_site_bottom_sheet_add_post,
+                        onClickAction = ::onCreateActionClicked
+                )
+        )
+        actionsList.add(
+                CreateAction(
+                        actionType = CREATE_NEW_PAGE,
+                        iconRes = R.drawable.ic_pages_white_24dp,
+                        labelRes = R.string.my_site_bottom_sheet_add_page,
+                        onClickAction = ::onCreateActionClicked
+                )
+        )
 
         _mainActions.postValue(actionsList)
     }
@@ -130,9 +149,9 @@ class WPMainActivityViewModel @Inject constructor(private val appPrefsWrapper: A
 
     private fun setMainFabUiState(isFabVisible: Boolean, hasFullAccessToContent: Boolean) {
         val newState = MainFabUiState(
-                        isFabVisible = isFabVisible,
-                        isFabTooltipVisible = if (appPrefsWrapper.isMainFabTooltipDisabled()) false else isFabVisible,
-                        CreateContentMessageId = getCreateContentMessageId(hasFullAccessToContent)
+                isFabVisible = isFabVisible,
+                isFabTooltipVisible = if (appPrefsWrapper.isMainFabTooltipDisabled()) false else isFabVisible,
+                CreateContentMessageId = getCreateContentMessageId(hasFullAccessToContent)
         )
 
         _fabUiState.value = newState
@@ -144,4 +163,30 @@ class WPMainActivityViewModel @Inject constructor(private val appPrefsWrapper: A
         else
             R.string.create_post_page_fab_tooltip_contributors
     }
+
+    private fun checkForFeatureAnnouncements() {
+        val currentVersionCode = buildConfigWrapper.getAppVersionCode()
+        val previousVersionCode = appPrefsWrapper.lastFeatureAnnouncementAppVersionCode
+
+        // only proceed to feature announcement logic if we are upgrading the app
+        if (previousVersionCode != 0 && previousVersionCode < currentVersionCode) {
+            if (canShowFeatureAnnouncement()) {
+                appPrefsWrapper.featureAnnouncementShownVersion =
+                        featureAnnouncementProvider.getLatestFeatureAnnouncement()?.versionCode!!
+                appPrefsWrapper.lastFeatureAnnouncementAppVersionCode = currentVersionCode
+                _onFeatureAnnouncementRequested.call()
+            }
+//          else {
+//              // request feature announcement from endpoint to be used on next app start
+//          }
+        } else {
+            appPrefsWrapper.lastFeatureAnnouncementAppVersionCode = currentVersionCode
+        }
+    }
+
+    private fun canShowFeatureAnnouncement(): Boolean {
+        return featureAnnouncementProvider.isFeatureAnnouncementAvailable() &&
+                appPrefsWrapper.featureAnnouncementShownVersion <
+                featureAnnouncementProvider.getLatestFeatureAnnouncement()?.versionCode!!
+    }
 }