Fix bug: BlogPost information not correct after updating.

Author: mitchtabian

app/src/main/java/com/codingwithmitch/openapi/presentation/main/blog/detail/ViewBlogEvents.kt

@@ -9,6 +9,8 @@ sealed class ViewBlogEvents {
 
  data class GetBlog(val pk: Int): ViewBlogEvents()
 
+ object Refresh: ViewBlogEvents()
+
  data class ConfirmBlogExistsOnServer(
  val pk: Int,
  val slug: String

app/src/main/java/com/codingwithmitch/openapi/presentation/main/blog/detail/ViewBlogFragment.kt

@@ -44,6 +44,14 @@ class ViewBlogFragment : BaseBlogFragment()
  binding.deleteButton.setOnClickListener {
  viewModel.onTriggerEvent(ViewBlogEvents.DeleteBlog)
  }
+
+ // If an update occurred from UpdateBlogFragment, refresh the BlogPost
+ findNavController().currentBackStackEntry?.savedStateHandle?.getLiveData<Boolean>(SHOULD_REFRESH)?.observe(viewLifecycleOwner) { shouldRefresh ->
+ shouldRefresh?.run {
+ viewModel.onTriggerEvent(ViewBlogEvents.Refresh)
+ findNavController().currentBackStackEntry?.savedStateHandle?.set(SHOULD_REFRESH, null)
+ }
+ }
  }
 
  private fun subscribeObservers(){

app/src/main/java/com/codingwithmitch/openapi/presentation/main/blog/detail/ViewBlogViewModel.kt

@@ -19,6 +19,8 @@ import kotlinx.coroutines.flow.launchIn
 import kotlinx.coroutines.flow.onEach
 import javax.inject.Inject
 
+const val SHOULD_REFRESH = "should_refresh"
+
 @HiltViewModel
 class ViewBlogViewModel
 @Inject
@@ -72,6 +74,9 @@ constructor(
  }
  )
  }
+ is ViewBlogEvents.Refresh ->{
+ refresh()
+ }
  is ViewBlogEvents.IsAuthor -> {
  isAuthor(event.slug)
  }
@@ -120,6 +125,21 @@ constructor(
  }
  }
 
+ private fun refresh(){
+ state.value?.let { state ->
+ state.blogPost?.let { blogPost ->
+ getBlog(
+ pk = blogPost.pk,
+ callback = object: OnCompleteCallback{
+ override fun done() {
+ // do nothing
+ }
+ }
+ )
+ }
+ }
+ }
+
  private fun confirmBlogExistsOnServer(pk: Int, slug: String, callback: OnCompleteCallback){
  state.value?.let { state ->
  confirmBlogExistsOnServer.execute(

app/src/main/java/com/codingwithmitch/openapi/presentation/main/blog/update/UpdateBlogFragment.kt

@@ -17,6 +17,7 @@ import com.codingwithmitch.openapi.business.domain.util.Constants.Companion.GALL
 import com.codingwithmitch.openapi.business.domain.util.ErrorHandling.Companion.SOMETHING_WRONG_WITH_IMAGE
 import com.codingwithmitch.openapi.databinding.FragmentUpdateBlogBinding
 import com.codingwithmitch.openapi.presentation.main.blog.BaseBlogFragment
+import com.codingwithmitch.openapi.presentation.main.blog.detail.SHOULD_REFRESH
 import com.codingwithmitch.openapi.presentation.util.processQueue
 import com.theartofdev.edmodo.cropper.CropImage
 import com.theartofdev.edmodo.cropper.CropImageView
@@ -135,6 +136,7 @@ class UpdateBlogFragment : BaseBlogFragment()
  )
  }
  if(state.isUpdateComplete){
+ findNavController().previousBackStackEntry?.savedStateHandle?.set(SHOULD_REFRESH, true)
  findNavController().popBackStack(R.id.viewBlogFragment, false)
  }
  })