Show better error message when sending fails due to missing pre keys

[signal-cli] / src / main / java / org / asamk / signal / commands / SendCommand.java

diff --git a/src/main/java/org/asamk/signal/commands/SendCommand.java b/src/main/java/org/asamk/signal/commands/SendCommand.java
index 0c38cf7d59d9e60d73a1970da922fab5e1be990a..cce1d21e82eca88f96924d6def135a670619eb78 100644 (file)
--- a/src/main/java/org/asamk/signal/commands/SendCommand.java
+++ b/src/main/java/org/asamk/signal/commands/SendCommand.java
@@ -71,10 +71,12 @@ public class SendCommand implements JsonRpcLocalCommand {
                 .action(Arguments.storeTrue());
         subparser.addArgument("--mention")
                 .nargs("*")
-                .help("Mention another group member (syntax: start:length:recipientNumber)");
+                .help("Mention another group member (syntax: start:length:recipientNumber). "
+                        + "Unit of start and length is UTF-16 code units, NOT Unicode code points.");
         subparser.addArgument("--text-style")
                 .nargs("*")
-                .help("Style parts of the message text (syntax: start:length:STYLE)");
+                .help("Style parts of the message text (syntax: start:length:STYLE). "
+                        + "Unit of start and length is UTF-16 code units, NOT Unicode code points.");
         subparser.addArgument("--quote-timestamp")
                 .type(long.class)
                 .help("Specify the timestamp of a previous message with the recipient or group to add a quote to the new message.");
@@ -106,7 +108,9 @@ public class SendCommand implements JsonRpcLocalCommand {
 
     @Override
     public void handleCommand(
-            final Namespace ns, final Manager m, final OutputWriter outputWriter
+            final Namespace ns,
+            final Manager m,
+            final OutputWriter outputWriter
     ) throws CommandException {
         final var notifySelf = Boolean.TRUE.equals(ns.getBoolean("notify-self"));
         final var isNoteToSelf = Boolean.TRUE.equals(ns.getBoolean("note-to-self"));
@@ -175,6 +179,9 @@ public class SendCommand implements JsonRpcLocalCommand {
         final var quoteTimestamp = ns.getLong("quote-timestamp");
         if (quoteTimestamp != null) {
             final var quoteAuthor = ns.getString("quote-author");
+            if (quoteAuthor == null) {
+                throw new UserErrorException("Quote author parameter is missing");
+            }
             final var quoteMessage = ns.getString("quote-message");
             final var quoteMentionStrings = ns.<String>getList("quote-mention");
             final var quoteMentions = quoteMentionStrings == null
@@ -243,8 +250,14 @@ public class SendCommand implements JsonRpcLocalCommand {
                     : m.sendMessage(message, recipientIdentifiers, notifySelf);
             outputResult(outputWriter, results);
         } catch (AttachmentInvalidException | IOException e) {
-            throw new UnexpectedErrorException("Failed to send message: " + e.getMessage() + " (" + e.getClass()
-                    .getSimpleName() + ")", e);
+            if (e instanceof IOException io && io.getMessage().contains("No prekeys available")) {
+                throw new UnexpectedErrorException("Failed to send message: " + e.getMessage() + " (" + e.getClass()
+                        .getSimpleName() + "), maybe one of the devices of the recipient wasn't online for a while.",
+                        e);
+            } else {
+                throw new UnexpectedErrorException("Failed to send message: " + e.getMessage() + " (" + e.getClass()
+                        .getSimpleName() + ")", e);
+            }
         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
             throw new UserErrorException(e.getMessage());
         } catch (UnregisteredRecipientException e) {
@@ -255,7 +268,8 @@ public class SendCommand implements JsonRpcLocalCommand {
     }
 
     private List<Message.Mention> parseMentions(
-            final String selfNumber, final List<String> mentionStrings
+            final String selfNumber,
+            final List<String> mentionStrings
     ) throws UserErrorException {
         final var mentionPattern = Pattern.compile("(\\d+):(\\d+):(.+)");
         final var mentions = new ArrayList<Message.Mention>();