Show filter count in booking filters title

Updates the title of the booking filters screen to display the number of currently active filters.

Author: irfano

WooCommerce/src/main/kotlin/com/woocommerce/android/ui/bookings/filter/BookingFilterListUiState.kt

@@ -60,6 +60,8 @@ data class BookingFilterListUiState(
             )
         }
 
+    val updatedBookingFiltersCount = updatedBookingFilters.enabledFiltersCount
+
     @DrawableRes
     val navigationIcon: Int = when (currentPage) {
         BookingFilterPage.List -> R.drawable.ic_gridicons_cross_24dp
@@ -88,6 +90,18 @@ data class BookingFilterListUiState(
             BookingFilterPage.TeamMember,
             BookingFilterPage.List -> null
         }
+
+    val title: UiString
+        get() = if (currentPage != BookingFilterPage.List) {
+            UiString.UiStringRes(currentPage.titleRes)
+        } else if (updatedBookingFiltersCount > 0) {
+            UiString.UiStringRes(
+                stringRes = R.string.bookings_filters_title_with_count,
+                params = listOf(UiString.UiStringText(updatedBookingFiltersCount.toString()))
+            )
+        } else {
+            UiString.UiStringRes(R.string.bookings_filters_default_title)
+        }
 }
 
 val BookingFilterPage.titleRes: Int

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

@@ -4236,7 +4236,7 @@
     <string name="bookings_empty_state_clear_filters_button">Clear filters</string>
     <string name="bookings_filters_default_title">Filters</string>
     <string name="bookings_filters_enabled_title">Filters • %d</string>
-    <string name="bookings_filters_count_title">Filters (%d)</string>
+    <string name="bookings_filters_title_with_count">Filters (%s)</string>
     <string name="bookings_filters_show_bookings">Show bookings</string>
     <string name="bookings_filter_title_team_member">Assigned team member</string>
     <string name="bookings_filter_title_attendance_status">Attendance status</string>