feat: add external event url menu option in EventDetailsFragment

Fixes: #1505

Changes:

- Added a menu option to EventDetailsFragment to navigate to the external event url for the event
- If the external URL is null, then the menu option is disabled

app/src/main/java/org/fossasia/openevent/general/event/EventDetailsFragment.kt

@@ -54,6 +54,7 @@ import org.fossasia.openevent.general.event.EventUtils.loadMapUrl
 import org.fossasia.openevent.general.event.topic.SimilarEventsFragment
 import org.fossasia.openevent.general.social.SocialLinksFragment
 import org.fossasia.openevent.general.ticket.TicketsFragmentArgs
+import org.fossasia.openevent.general.utils.Utils
 import org.fossasia.openevent.general.utils.Utils.getAnimSlide
 import org.fossasia.openevent.general.utils.Utils.requireDrawable
 import org.fossasia.openevent.general.utils.extensions.nonNull
@@ -95,6 +96,10 @@ class EventDetailsFragment : Fragment() {
                     setFavoriteIcon(R.drawable.ic_baseline_favorite_white)
                 }
 
+                if (eventShare.externalEventUrl == null) {
+                    disableExternalEventMenuAction()
+                }
+
                 if (runOnce) {
                     loadSocialLinksFragment()
                     loadSimilarEventsFragment()
@@ -294,6 +299,10 @@ class EventDetailsFragment : Fragment() {
                 reportEvent(eventShare)
                 return true
             }
+            R.id.open_external_event_url -> {
+                eventShare.externalEventUrl?.let { Utils.openUrl(requireContext(), it) }
+                true
+            }
             R.id.favorite_event -> {
                 eventViewModel.setFavorite(safeArgs.eventId, !(eventShare.favorite))
                 if (eventShare.favorite) {
@@ -399,6 +408,10 @@ class EventDetailsFragment : Fragment() {
         menuActionBar?.findItem(R.id.favorite_event)?.icon = ContextCompat.getDrawable(requireContext(), id)
     }
 
+    private fun disableExternalEventMenuAction() {
+        menuActionBar?.findItem(R.id.open_external_event_url)?.isEnabled = false
+    }
+
     private fun showEventErrorScreen(show: Boolean) {
         rootView.container.isVisible = !show
         rootView.eventErrorCard.isVisible = show

app/src/main/res/menu/event_details.xml

@@ -8,6 +8,9 @@
         <item
             android:id="@+id/report_event"
             android:title="@string/report_event" />
+        <item
+            android:id="@+id/open_external_event_url"
+            android:title="@string/open_external_event_url"/>
     </group>
     <item
         android:id="@+id/event_share"

app/src/main/res/values/strings.xml

@@ -9,6 +9,7 @@
     <!--event details-->
     <string name="event_card_date">Event Date :</string>
     <string name="report_event">Report Event</string>
+    <string name="open_external_event_url">Open External Event URL</string>
     <string name="about">About</string>
     <string name="see_more">See more</string>
     <string name="see_less">See less</string>