Fixes not being able to create an invoice because of an old cache of the lud16

Fixes inserting invoice in the cursor.

app/src/main/java/com/vitorpamplona/amethyst/ui/actions/NewPostView.kt

@@ -475,10 +475,8 @@ fun NewPostView(
                                     }
                                 }
 
-                                val user = postViewModel.account?.userProfile()
+                                if (postViewModel.wantsInvoice) {
-                                val lud16 = user?.info?.lnAddress()
+                                    postViewModel.lnAddress()?.let { lud16 ->
-
-                                if (lud16 != null && postViewModel.wantsInvoice) {
                                         Row(
                                             verticalAlignment = Alignment.CenterVertically,
                                             modifier = Modifier.padding(vertical = Size5dp, horizontal = Size10dp),
@@ -486,13 +484,12 @@ fun NewPostView(
                                             Column(Modifier.fillMaxWidth()) {
                                                 InvoiceRequest(
                                                     lud16,
-                                                user.pubkeyHex,
+                                                    accountViewModel.account.userProfile().pubkeyHex,
                                                     accountViewModel.account,
                                                     stringResource(id = R.string.lightning_invoice),
                                                     stringResource(id = R.string.lightning_create_and_add_invoice),
                                                     onSuccess = {
-                                                    postViewModel.message =
+                                                        postViewModel.insertAtCursor(it)
-                                                        TextFieldValue(postViewModel.message.text + "\n\n" + it)
                                                         postViewModel.wantsInvoice = false
                                                     },
                                                     onClose = { postViewModel.wantsInvoice = false },
@@ -501,8 +498,9 @@ fun NewPostView(
                                             }
                                         }
                                     }
+                                }
 
-                                if (lud16 != null && postViewModel.wantsZapraiser) {
+                                if (postViewModel.wantsZapraiser && postViewModel.hasLnAddress()) {
                                     Row(
                                         verticalAlignment = Alignment.CenterVertically,
                                         modifier = Modifier.padding(vertical = Size5dp, horizontal = Size10dp),
@@ -569,7 +567,7 @@ private fun BottomRowActions(postViewModel: NewPostViewModel) {
             }
         }
 
-        if (postViewModel.canAddInvoice) {
+        if (postViewModel.canAddInvoice && postViewModel.hasLnAddress()) {
             AddLnInvoiceButton(postViewModel.wantsInvoice) {
                 postViewModel.wantsInvoice = !postViewModel.wantsInvoice
             }

app/src/main/java/com/vitorpamplona/amethyst/ui/actions/NewPostViewModel.kt

@@ -163,6 +163,18 @@ open class NewPostViewModel() : ViewModel() {
     // NIP24 Wrapped DMs / Group messages
     var nip24 by mutableStateOf(false)
 
+    fun lnAddress(): String? {
+        return account?.userProfile()?.info?.lnAddress()
+    }
+
+    fun hasLnAddress(): Boolean {
+        return account?.userProfile()?.info?.lnAddress() != null
+    }
+
+    fun user(): User? {
+        return account?.userProfile()
+    }
+
     open fun load(
         accountViewModel: AccountViewModel,
         replyingTo: Note?,
@@ -819,6 +831,10 @@ open class NewPostViewModel() : ViewModel() {
         )
     }
 
+    fun insertAtCursor(newElement: String) {
+        message = message.insertUrlAtCursor(newElement)
+    }
+
     fun createNIP95Record(
         bytes: ByteArray,
         mimeType: String?,