status: Add req.Participants for Status message

With req.Participants we can send status message to many (>50K) contacts in chunks, using the same message.id

Author: devlikepro

send.go

@@ -147,6 +147,9 @@ type SendRequestExtra struct {
 	MediaHandle string
 
 	Meta *types.MsgMetaInfo
+
+	// When sending status message you can specify the recipients
+	Participants []types.JID
 }
 
 // SendMessage sends the given message.
@@ -304,11 +307,15 @@ func (cli *Client) SendMessage(ctx context.Context, to types.JID, message *waE2E
 				extraParams.addressingMode = types.AddressingModePN
 			}
 		} else {
-			// TODO use context
-			groupParticipants, err = cli.getBroadcastListParticipants(to)
-			if err != nil {
-				err = fmt.Errorf("failed to get broadcast list members: %w", err)
-				return
+			if len(req.Participants) != 0 {
+				groupParticipants = req.Participants
+			} else {
+				// TODO use context
+				groupParticipants, err = cli.getBroadcastListParticipants(to)
+				if err != nil {
+					err = fmt.Errorf("failed to get broadcast list members: %w", err)
+					return
+				}
 			}
 		}
 		resp.DebugTimings.GetParticipants = time.Since(start)