Fixes loading iMeta from drafts and reset them after use

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/chats/privateDM/send/ChatNewMessageViewModel.kt

@@ -301,6 +301,8 @@ open class ChatNewMessageViewModel : ViewModel() {
                 TextFieldValue(draftEvent.content)
             }
 
+        iMetaAttachments.addAll(draftEvent.imetas())
+
         requiresNIP17 = draftEvent is NIP17Group
         nip17 = draftEvent is NIP17Group
 
@@ -348,9 +350,15 @@ open class ChatNewMessageViewModel : ViewModel() {
         val uploadState = uploadState ?: return
 
         if (nip17) {
-            ChatFileUploader(room, account).uploadNIP17(uploadState, viewModelScope, onError, context, onceUploaded)
+            ChatFileUploader(room, account).uploadNIP17(uploadState, viewModelScope, onError, context) {
+                saveDraft()
+                onceUploaded()
+            }
         } else {
-            ChatFileUploader(room, account).uploadNIP04(uploadState, viewModelScope, onError, context, onceUploaded)
+            ChatFileUploader(room, account).uploadNIP04(uploadState, viewModelScope, onError, context) {
+                saveDraft()
+                onceUploaded()
+            }
         }
     }
 
@@ -433,6 +441,8 @@ open class ChatNewMessageViewModel : ViewModel() {
         userSuggestions.reset()
         userSuggestionsMainMessage = null
 
+        iMetaAttachments.reset()
+
         if (emojiSearch.value.isNotEmpty()) {
             emojiSearch.tryEmit("")
         }

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/chats/privateDM/send/IMetaAttachments.kt

@@ -67,6 +67,10 @@ class IMetaAttachments {
         }
     }
 
+    fun addAll(imetas: List<IMetaTag>) {
+        iMetaAttachments = iMetaAttachments + imetas
+    }
+
     fun remove(url: String) {
         iMetaAttachments = iMetaAttachments.filter { it.url != url }
     }
@@ -101,4 +105,8 @@ class IMetaAttachments {
     }
 
     fun filterIsIn(urls: Set<String>) = iMetaAttachments.filter { it.url in urls }
+
+    fun reset() {
+        iMetaAttachments = emptyList()
+    }
 }

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/chats/publicChannels/send/ChannelNewMessageViewModel.kt

@@ -262,6 +262,8 @@ open class ChannelNewMessageViewModel : ViewModel() {
 
         message = TextFieldValue(draftEvent.content)
 
+        iMetaAttachments.addAll(draftEvent.imetas())
+
         urlPreview = findUrlInMessage()
     }
 
@@ -351,6 +353,7 @@ open class ChannelNewMessageViewModel : ViewModel() {
 
                 uploadState.reset()
                 onceUploaded()
+                saveDraft()
             } else {
                 val errorMessages = results.errors.map { stringRes(context, it.errorResource, *it.params) }.distinct()
 
@@ -496,6 +499,8 @@ open class ChannelNewMessageViewModel : ViewModel() {
         userSuggestions.reset()
         userSuggestionsMainMessage = null
 
+        iMetaAttachments.reset()
+
         if (emojiSearch.value.isNotEmpty()) {
             emojiSearch.tryEmit("")
         }