Fix print feature not working on SuperCollapsedBlock Message

Author: KevinBoulongne

app/src/main/java/com/infomaniak/mail/ui/main/thread/PrintMailFragment.kt

@@ -59,12 +59,11 @@ class PrintMailFragment : Fragment() {
         setupAdapter()
 
         messagesLive.observe(viewLifecycleOwner) { (items, _) ->
-            threadAdapter.submitList(items.filter { it is Message && it.uid == navigationArgs.messageUid })
+            threadAdapter.submitList(listOf(items.single { it is Message && it.uid == navigationArgs.messageUid }))
         }
 
         navigationArgs.openThreadUid?.let {
-            reassignThreadLive(it)
-            reassignMessagesLive(it)
+            reassignMessagesLive(it, withSuperCollapsedBlock = false)
         }
     }
 
@@ -79,11 +78,12 @@ class PrintMailFragment : Fragment() {
     }
 
     private fun startPrintingView() {
-        threadViewModel.threadLive.value?.subject?.let { subject ->
-            printMailViewModel.startPrintingService(requireActivity(), subject, getWebViewToPrint()) {
-                findNavController().popBackStack()
-            }
-        }
+        printMailViewModel.startPrintingService(
+            activityContext = requireActivity(),
+            subject = (threadAdapter.items.single() as Message).subject,
+            webView = getWebViewToPrint(),
+            onFinish = findNavController()::popBackStack,
+        )
     }
 
     private fun getWebViewToPrint(): WebView = with(binding.messagesList[0]) { findViewById(R.id.bodyWebView) }

app/src/main/java/com/infomaniak/mail/ui/main/thread/ThreadViewModel.kt

@@ -114,18 +114,19 @@ class ThreadViewModel @Inject constructor(
         }
     }
 
-    fun reassignMessagesLive(threadUid: String) {
+    fun reassignMessagesLive(threadUid: String, withSuperCollapsedBlock: Boolean = true) {
         messagesLiveJob?.cancel()
         messagesLiveJob = viewModelScope.launch(ioCoroutineContext) {
             messageController.getSortedAndNotDeletedMessagesAsync(threadUid)
-                ?.map { mapRealmMessagesResult(it.list, threadUid) }
+                ?.map { mapRealmMessagesResult(it.list, threadUid, withSuperCollapsedBlock) }
                 ?.collect(messagesLive::postValue)
         }
     }
 
     private suspend fun mapRealmMessagesResult(
         messages: RealmResults<Message>,
         threadUid: String,
+        withSuperCollapsedBlock: Boolean,
     ): Pair<ThreadAdapterItems, MessagesWithoutHeavyData> {
 
         superCollapsedBlock = superCollapsedBlock ?: SuperCollapsedBlock()
@@ -134,7 +135,8 @@ class ThreadViewModel @Inject constructor(
         val messagesToFetch = mutableListOf<Message>()
         val thread = messages.firstOrNull()?.threads?.firstOrNull { it.uid == threadUid } ?: return items to messagesToFetch
         val firstIndexAfterBlock = computeFirstIndexAfterBlock(thread, messages)
-        superCollapsedBlock!!.shouldBeDisplayed = shouldBlockBeDisplayed(messages.count(), firstIndexAfterBlock)
+        superCollapsedBlock!!.shouldBeDisplayed =
+            shouldBlockBeDisplayed(messages.count(), firstIndexAfterBlock, withSuperCollapsedBlock)
 
         suspend fun addMessage(message: Message) {
             splitBody(message).let {
@@ -219,9 +221,9 @@ class ThreadViewModel @Inject constructor(
      * - If there's any unread Message in between, it will be displayed (hence, all following Messages will be displayed too).
      * After all these Messages are displayed, if there's at least 2 remaining Messages, they're gonna be collapsed in the Block.
      */
-    private fun shouldBlockBeDisplayed(messagesCount: Int, firstIndexAfterBlock: Int): Boolean {
-
-        return superCollapsedBlock?.shouldBeDisplayed == true && // If the Block was hidden for any reason, we mustn't ever display it again
+    private fun shouldBlockBeDisplayed(messagesCount: Int, firstIndexAfterBlock: Int, withSuperCollapsedBlock: Boolean): Boolean {
+        return withSuperCollapsedBlock && // When we want to print a mail, we need the full list of Messages
+                superCollapsedBlock?.shouldBeDisplayed == true && // If the Block was hidden for any reason, we mustn't ever display it again
                 superCollapsedBlock?.hasBeenClicked == false && // Block hasn't been expanded by the user
                 messagesCount >= SUPER_COLLAPSED_BLOCK_MINIMUM_MESSAGES_LIMIT && // At least 5 Messages in the Thread
                 firstIndexAfterBlock >= SUPER_COLLAPSED_BLOCK_FIRST_INDEX_LIMIT  // At least 2 Messages in the Block