migration

2025-11-03 21:16:02 +03:00
parent 6093465f0d
commit d80d4e3b94
26 changed files with 96 additions and 610 deletions
--- a/core/src/main/java/hdvtdev/telegram/core/TelegramBot.java
+++ b/core/src/main/java/hdvtdev/telegram/core/TelegramBot.java
@@ -21,6 +21,8 @@ public interface TelegramBot {

    void shutdown();

+    void start(UpdateConsumer updateConsumer);
+
    default CompletableFuture<File> downloadFile(TelegramFile telegramFile, Path targetDirectory) {
        CompletableFuture<File> completableFuture = CompletableFuture.supplyAsync(() -> awaitDownloadFile(telegramFile, targetDirectory));
        completableFuture.exceptionally(e -> {
--- a/core/src/main/java/hdvtdev/telegram/core/UpdateConsumer.java
+++ b/core/src/main/java/hdvtdev/telegram/core/UpdateConsumer.java
@@ -1,23 +1,7 @@
 package hdvtdev.telegram.core;

-import hdvtdev.telegram.core.objects.ChosenInlineResult;
-import hdvtdev.telegram.core.objects.InlineQuery;
+
 import hdvtdev.telegram.core.objects.Update;
-import hdvtdev.telegram.core.objects.business.BusinessConnection;
-import hdvtdev.telegram.core.objects.business.BusinessMessagesDeleted;
-import hdvtdev.telegram.core.objects.callback.CallbackQuery;
-import hdvtdev.telegram.core.objects.chat.ChatJoinRequest;
-import hdvtdev.telegram.core.objects.chat.ChatMemberUpdated;
-import hdvtdev.telegram.core.objects.chatboost.ChatBoostRemoved;
-import hdvtdev.telegram.core.objects.chatboost.ChatBoostUpdated;
-import hdvtdev.telegram.core.objects.media.paidmedia.PaidMediaPurchased;
-import hdvtdev.telegram.core.objects.message.Message;
-import hdvtdev.telegram.core.objects.message.MessageReactionCountUpdated;
-import hdvtdev.telegram.core.objects.message.MessageReactionUpdated;
-import hdvtdev.telegram.core.objects.payment.PreCheckoutQuery;
-import hdvtdev.telegram.core.objects.payment.ShippingQuery;
-import hdvtdev.telegram.core.objects.poll.Poll;
-import hdvtdev.telegram.core.objects.poll.PollAnswer;

 import java.util.List;

@@ -25,7 +9,7 @@ public interface UpdateConsumer {



-    void onUpdates(List<Update> updates);
+    default void onUpdate(Update update) {}



--- a/core/src/main/java/hdvtdev/telegram/core/UpdateHandler.java
+++ b/core/src/main/java/hdvtdev/telegram/core/UpdateHandler.java
@@ -1,80 +0,0 @@
-package hdvtdev.telegram.core;
-
-import hdvtdev.telegram.core.objects.ChosenInlineResult;
-import hdvtdev.telegram.core.objects.InlineQuery;
-import hdvtdev.telegram.core.objects.Update;
-import hdvtdev.telegram.core.objects.business.BusinessConnection;
-import hdvtdev.telegram.core.objects.business.BusinessMessagesDeleted;
-import hdvtdev.telegram.core.objects.callback.CallbackQuery;
-import hdvtdev.telegram.core.objects.chat.ChatJoinRequest;
-import hdvtdev.telegram.core.objects.chat.ChatMemberUpdated;
-import hdvtdev.telegram.core.objects.chatboost.ChatBoostRemoved;
-import hdvtdev.telegram.core.objects.chatboost.ChatBoostUpdated;
-import hdvtdev.telegram.core.objects.media.paidmedia.PaidMediaPurchased;
-import hdvtdev.telegram.core.objects.message.Message;
-import hdvtdev.telegram.core.objects.message.MessageReactionCountUpdated;
-import hdvtdev.telegram.core.objects.message.MessageReactionUpdated;
-import hdvtdev.telegram.core.objects.payment.PreCheckoutQuery;
-import hdvtdev.telegram.core.objects.payment.ShippingQuery;
-import hdvtdev.telegram.core.objects.poll.Poll;
-import hdvtdev.telegram.core.objects.poll.PollAnswer;
-
-import java.util.List;
-
-public interface UpdateHandler extends UpdateConsumer {
-
-    @Override
-    default void onUpdates(List<Update> updates) {
-        for (Update update : updates) {
-            if (update.hasMessage()) onMessage(update.message());
-            if (update.hasEditedMessage()) onEditedMessage(update.editedMessage());
-            if (update.hasChannelPost()) onChannelPost(update.channelPost());
-            if (update.hasEditedChannelPost()) onEditedChannelPost(update.editedChannelPost());
-            if (update.hasBusinessConnection()) onBusinessConnection(update.businessConnection());
-            if (update.hasBusinessMessage()) onBusinessMessage(update.businessMessage());
-            if (update.hasEditedBusinessMessage()) onEditedBusinessMessage(update.editedBusinessMessage());
-            if (update.hasDeletedBusinessMessages()) onDeletedBusinessMessages(update.businessMessagesDeleted());
-            if (update.hasMessageReaction()) onMessageReaction(update.messageReaction());
-            if (update.hasMessageReactionCount()) onMessageReactionCount(update.messageReactionCount());
-            if (update.hasInlineQuery()) onInlineQuery(update.inlineQuery());
-            if (update.hasChosenInlineResult()) onChosenInlineResult(update.chosenInlineResult());
-            if (update.hasCallbackQuery()) onCallbackQuery(update.callbackQuery());
-            if (update.hasShippingQuery()) onShippingQuery(update.shippingQuery());
-            if (update.hasPreCheckoutQuery()) onPreCheckoutQuery(update.preCheckoutQuery());
-            if (update.hasPurchasedPaidMedia()) onPaidMediaPurchased(update.paidMediaPurchased());
-            if (update.hasPoll()) onPoll(update.poll());
-            if (update.hasPollAnswer()) onPollAnswer(update.pollAnswer());
-            if (update.hasMyChatMember()) onMyChatMember(update.myChatMember());
-            if (update.hasChatMember()) onChatMember(update.chatMember());
-            if (update.hasChatJoinRequest()) onChatJoinRequest(update.chatJoinRequest());
-            if (update.hasChatBoost()) onChatBoost(update.chatBoost());
-            if (update.hasRemovedChatBoost()) onChatBoostRemoved(update.chatBoostRemoved());
-        }
-    }
-
-    default void onMessage(Message message) {}
-    default void onEditedMessage(Message message) {}
-    default void onChannelPost(Message message) {}
-    default void onEditedChannelPost(Message message) {}
-    default void onBusinessConnection(BusinessConnection connection) {}
-    default void onBusinessMessage(Message message) {}
-    default void onEditedBusinessMessage(Message message) {}
-    default void onDeletedBusinessMessages(BusinessMessagesDeleted deleted) {}
-    default void onMessageReaction(MessageReactionUpdated reaction) {}
-    default void onMessageReactionCount(MessageReactionCountUpdated count) {}
-    default void onInlineQuery(InlineQuery query) {}
-    default void onChosenInlineResult(ChosenInlineResult result) {}
-    default void onCallbackQuery(CallbackQuery callbackQuery) {}
-    default void onShippingQuery(ShippingQuery query) {}
-    default void onPreCheckoutQuery(PreCheckoutQuery query) {}
-    default void onPaidMediaPurchased(PaidMediaPurchased paidMedia) {}
-    default void onPoll(Poll poll) {}
-    default void onPollAnswer(PollAnswer answer) {}
-    default void onMyChatMember(ChatMemberUpdated member) {}
-    default void onChatMember(ChatMemberUpdated member) {}
-    default void onChatJoinRequest(ChatJoinRequest request) {}
-    default void onChatBoost(ChatBoostUpdated boost) {}
-    default void onChatBoostRemoved(ChatBoostRemoved removedBoost) {}
-
-
-}
--- a/core/src/main/java/hdvtdev/telegram/core/annotaions/Jsonable.java
+++ b/core/src/main/java/hdvtdev/telegram/core/annotaions/Jsonable.java
@@ -1,19 +0,0 @@
-package hdvtdev.telegram.core.annotaions;
-
-import hdvtdev.telegram.core.methods.TelegramApiMethod;
-
-import java.lang.annotation.ElementType;
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
-import java.lang.annotation.Target;
-
-/**
- * This annotation is used to indicate {@link TelegramApiMethod} that should be serialized into JSON.
- * <h5>Last documentation update: 2025-04-05</h5>
- * @see com.fasterxml.jackson.databind.ObjectMapper
- * @since 1.0.0
- */
-@Retention(RetentionPolicy.RUNTIME)
-@Target(ElementType.TYPE)
-public @interface Jsonable {
-}
--- a/core/src/main/java/hdvtdev/telegram/core/methods/ApproveChatJoinRequest.java
+++ b/core/src/main/java/hdvtdev/telegram/core/methods/ApproveChatJoinRequest.java
@@ -8,7 +8,7 @@ import hdvtdev.telegram.core.objects.User;
 /**
 * Use this method to approve a chat join request.
 * The command must be an <u>administrator</u> in the chat for this to work and must have the {@link ChatAdministratorRights#canInviteUsers()} administrator right.
- * Returns True on success.
+ * Returns {@code true} on success.
 * @param chatId Unique username of the target channel in the format @channelusername
 * @param userId Unique identifier of the target user
 * @see ChatAdministratorRights
@@ -17,6 +17,7 @@ import hdvtdev.telegram.core.objects.User;
 * @since 0.1.0
 */
 //TODO NotTested
+
 public record ApproveChatJoinRequest(String chatId, long userId) implements TelegramApiMethod<Boolean> {

    /**
--- a/core/src/main/java/hdvtdev/telegram/core/methods/CopyMessage.java
+++ b/core/src/main/java/hdvtdev/telegram/core/methods/CopyMessage.java
@@ -4,7 +4,6 @@ import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;

-import hdvtdev.telegram.core.annotaions.Jsonable;
 import hdvtdev.telegram.core.methods.util.ParseMode;
 import hdvtdev.telegram.core.objects.message.MessageEntity;
 import hdvtdev.telegram.core.objects.poll.Poll;
@@ -24,7 +23,6 @@ import java.util.List;
 * @since 1.0.0
 */
 //TODO NotTested
-@Jsonable
@JsonInclude(JsonInclude.Include.NON_NULL)
 public final class CopyMessage implements TelegramApiMethod<Long> {

@@ -136,6 +134,12 @@ public final class CopyMessage implements TelegramApiMethod<Long> {
        this.replyMarkup = replyMarkup;
    }

+    @JsonIgnore
+    @Override
+    public boolean isJsonable() {
+        return true;
+    }
+
    @JsonIgnore
    @Override
    public TelegramApiMethodBody getBody() {
--- a/core/src/main/java/hdvtdev/telegram/core/methods/CopyMessages.java
+++ b/core/src/main/java/hdvtdev/telegram/core/methods/CopyMessages.java
@@ -4,7 +4,6 @@ import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;

-import hdvtdev.telegram.core.annotaions.Jsonable;
 import hdvtdev.telegram.core.objects.poll.Poll;

 import java.util.ArrayList;
@@ -21,7 +20,7 @@ import java.util.List;
 * @see Poll#correctOptionId()
 *  @since 1.0.0
 */
-@Jsonable
+
@JsonInclude(JsonInclude.Include.NON_NULL)
 public final class CopyMessages implements TelegramApiMethod<Long[]> {

@@ -124,6 +123,12 @@ public final class CopyMessages implements TelegramApiMethod<Long[]> {
        return Long[].class;
    }

+    @JsonIgnore
+    @Override
+    public boolean isJsonable() {
+        return true;
+    }
+
    public static final class Builder {
        private final String chatId;
        private Long messageThreadId;
--- a/core/src/main/java/hdvtdev/telegram/core/methods/ForwardMessage.java
+++ b/core/src/main/java/hdvtdev/telegram/core/methods/ForwardMessage.java
@@ -4,16 +4,14 @@ import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;

-import hdvtdev.telegram.core.annotaions.Jsonable;
 import hdvtdev.telegram.core.objects.message.Message;

-
 /**
 * Use this method to forward message of any kind.
 * Service message and message with protected content can't be forwarded.
 * On success, the sent {@link Message} is returned.
 */
-@Jsonable
+
@JsonInclude(JsonInclude.Include.NON_NULL)
 public final class ForwardMessage implements TelegramApiMethod<Message> {

@@ -90,6 +88,12 @@ public final class ForwardMessage implements TelegramApiMethod<Message> {
        return Message.class;
    }

+    @JsonIgnore
+    @Override
+    public boolean isJsonable() {
+        return true;
+    }
+
    public static final class Builder {
        private final String chatId;
        private Long messageThreadId;
--- a/core/src/main/java/hdvtdev/telegram/core/methods/ForwardMessages.java
+++ b/core/src/main/java/hdvtdev/telegram/core/methods/ForwardMessages.java
@@ -4,7 +4,6 @@ import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;

-import hdvtdev.telegram.core.annotaions.Jsonable;
 import hdvtdev.telegram.core.objects.message.Message;

 import java.util.ArrayList;
@@ -17,7 +16,6 @@ import java.util.List;
 * @see Message#hasProtectedContent()
 */
 // TODO NotTested
-@Jsonable
@JsonInclude(JsonInclude.Include.NON_NULL)
 public final class ForwardMessages implements TelegramApiMethod<Long[]> {

@@ -93,6 +91,11 @@ public final class ForwardMessages implements TelegramApiMethod<Long[]> {
        return Long[].class;
    }

+    @JsonIgnore
+    @Override
+    public boolean isJsonable() {
+        return true;
+    }

    public static final class Builder {
        private final String chatId;
--- a/core/src/main/java/hdvtdev/telegram/core/methods/GetMyCommands.java
+++ b/core/src/main/java/hdvtdev/telegram/core/methods/GetMyCommands.java
@@ -4,7 +4,6 @@ import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;

-import hdvtdev.telegram.core.annotaions.Jsonable;
 import hdvtdev.telegram.core.objects.command.BotCommand;
 import hdvtdev.telegram.core.objects.command.BotCommandScope;
 import hdvtdev.telegram.core.objects.command.BotCommandScopeDefault;
@@ -17,7 +16,6 @@ import hdvtdev.telegram.core.objects.command.BotCommandScopeDefault;
 * @see BotCommandScope
 * @since 1.0.0
 */
-@Jsonable
@JsonInclude(JsonInclude.Include.NON_NULL)
 public record GetMyCommands(
        @JsonProperty("scope") BotCommandScope scope,
@@ -53,4 +51,10 @@ public record GetMyCommands(
    public Class<BotCommand[]> getResponseClass() {
        return BotCommand[].class;
    }
+
+    @JsonIgnore
+    @Override
+    public boolean isJsonable() {
+        return true;
+    }
 }
--- a/core/src/main/java/hdvtdev/telegram/core/methods/GetMyName.java
+++ b/core/src/main/java/hdvtdev/telegram/core/methods/GetMyName.java
@@ -1,5 +1,7 @@
 package hdvtdev.telegram.core.methods;

+import org.jetbrains.annotations.NotNull;
+
 public record GetMyName(String languageCode) implements TelegramApiMethod<GetMyName.BotName> {

    public GetMyName() {
@@ -30,7 +32,7 @@ public record GetMyName(String languageCode) implements TelegramApiMethod<GetMyN
    public record BotName(String name) {

        @Override
-        public String toString() {
+        public @NotNull String toString() {
            return this.name;
        }

--- a/core/src/main/java/hdvtdev/telegram/core/methods/SendDice.java
+++ b/core/src/main/java/hdvtdev/telegram/core/methods/SendDice.java
@@ -4,12 +4,10 @@ import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;

-import hdvtdev.telegram.core.annotaions.Jsonable;
 import hdvtdev.telegram.core.objects.message.Message;
 import hdvtdev.telegram.core.objects.markup.ReplyMarkup;
 import hdvtdev.telegram.core.objects.ReplyParameters;

-@Jsonable
@JsonInclude(JsonInclude.Include.NON_NULL)
 public final class SendDice implements TelegramApiMethod<Message> {

@@ -106,6 +104,12 @@ public final class SendDice implements TelegramApiMethod<Message> {
        return Message.class;
    }

+    @JsonIgnore
+    @Override
+    public boolean isJsonable() {
+        return true;
+    }
+
    public enum Emoji {
        DICE("🎲"),
        DART("🎯"),
--- a/core/src/main/java/hdvtdev/telegram/core/methods/SendMessage.java
+++ b/core/src/main/java/hdvtdev/telegram/core/methods/SendMessage.java
@@ -4,7 +4,6 @@ import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;

-import hdvtdev.telegram.core.annotaions.Jsonable;
 import hdvtdev.telegram.core.methods.util.ParseMode;
 import hdvtdev.telegram.core.objects.*;
 import hdvtdev.telegram.core.objects.markup.ReplyMarkup;
@@ -13,7 +12,6 @@ import hdvtdev.telegram.core.objects.message.Message;
 import hdvtdev.telegram.core.objects.message.MessageEntity;


-@Jsonable
@JsonInclude(JsonInclude.Include.NON_NULL)
 public final class SendMessage implements TelegramApiMethod<Message> {

@@ -137,6 +135,12 @@ public final class SendMessage implements TelegramApiMethod<Message> {
        return Message.class;
    }

+    @JsonIgnore
+    @Override
+    public boolean isJsonable() {
+        return true;
+    }
+
    public static final class Builder {
        private final String chatId;
        private final String text;
--- a/core/src/main/java/hdvtdev/telegram/core/methods/SetMessageReaction.java
+++ b/core/src/main/java/hdvtdev/telegram/core/methods/SetMessageReaction.java
@@ -4,12 +4,10 @@ import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;

-import hdvtdev.telegram.core.annotaions.Jsonable;
 import hdvtdev.telegram.core.objects.reaction.ReactionType;

 import java.util.List;

-@Jsonable
@JsonInclude(JsonInclude.Include.NON_NULL)
 public class SetMessageReaction implements TelegramApiMethod<Boolean> {

@@ -65,6 +63,12 @@ public class SetMessageReaction implements TelegramApiMethod<Boolean> {
        return Boolean.class;
    }

+    @JsonIgnore
+    @Override
+    public boolean isJsonable() {
+        return true;
+    }
+
    public static final class Builder {
        private final String chatId;
        private final long messageId;
--- a/core/src/main/java/hdvtdev/telegram/core/methods/SetMyCommands.java
+++ b/core/src/main/java/hdvtdev/telegram/core/methods/SetMyCommands.java
@@ -4,13 +4,11 @@ import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;

-import hdvtdev.telegram.core.annotaions.Jsonable;
 import hdvtdev.telegram.core.objects.command.BotCommand;
 import hdvtdev.telegram.core.objects.command.BotCommandScope;

 import java.util.List;

-@Jsonable
@JsonInclude(JsonInclude.Include.NON_NULL)
 public final class SetMyCommands implements TelegramApiMethod<Boolean> {

@@ -68,6 +66,12 @@ public final class SetMyCommands implements TelegramApiMethod<Boolean> {
        return Boolean.class;
    }

+    @JsonIgnore
+    @Override
+    public boolean isJsonable() {
+        return true;
+    }
+

    public static final class Builder {
        private final List<BotCommand> commands;
--- a/core/src/main/java/hdvtdev/telegram/core/methods/TelegramApiMethod.java
+++ b/core/src/main/java/hdvtdev/telegram/core/methods/TelegramApiMethod.java
@@ -8,4 +8,8 @@ public interface TelegramApiMethod<T> {

    Class<T> getResponseClass();

+    default boolean isJsonable() {
+        return false;
+    }
+
 }
--- a/core/src/main/java/hdvtdev/telegram/core/methods/TelegramApiMethodBody.java
+++ b/core/src/main/java/hdvtdev/telegram/core/methods/TelegramApiMethodBody.java
@@ -1,7 +1,6 @@
 package hdvtdev.telegram.core.methods;

 import java.util.ArrayList;
-import java.util.function.Consumer;

 public final class TelegramApiMethodBody {

--- a/core/src/main/java/hdvtdev/telegram/core/objects/Update.java
+++ b/core/src/main/java/hdvtdev/telegram/core/objects/Update.java
@@ -3,6 +3,7 @@ package hdvtdev.telegram.core.objects;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
+
 import hdvtdev.telegram.core.objects.business.BusinessConnection;
 import hdvtdev.telegram.core.objects.business.BusinessMessagesDeleted;
 import hdvtdev.telegram.core.objects.callback.CallbackQuery;
@@ -19,6 +20,9 @@ import hdvtdev.telegram.core.objects.payment.ShippingQuery;
 import hdvtdev.telegram.core.objects.poll.Poll;
 import hdvtdev.telegram.core.objects.poll.PollAnswer;

+import org.jetbrains.annotations.Contract;
+import org.jetbrains.annotations.Nullable;
+
 import java.util.Optional;

@JsonInclude(JsonInclude.Include.NON_NULL)
@@ -48,8 +52,15 @@ public record Update(
        @JsonProperty("chat_join_request") ChatJoinRequest chatJoinRequest,
        @JsonProperty("chat_boost") ChatBoostUpdated chatBoost,
        @JsonProperty("removed_chat_boost") ChatBoostRemoved chatBoostRemoved
-) {
+) implements GeneralObject {

+    @Override
+    @Nullable
+    public Message message() {
+        return message;
+    }
+
+    @Contract(pure = true)
    public boolean hasMessage() {
        return this.message != null;
    }
--- a/core/src/main/java/hdvtdev/telegram/core/objects/callback/CallbackQuery.java
+++ b/core/src/main/java/hdvtdev/telegram/core/objects/callback/CallbackQuery.java
@@ -3,6 +3,7 @@ package hdvtdev.telegram.core.objects.callback;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
+import hdvtdev.telegram.core.objects.GeneralObject;
 import hdvtdev.telegram.core.objects.User;
 import hdvtdev.telegram.core.objects.message.MaybeInaccessibleMessage;

@@ -16,7 +17,7 @@ public record CallbackQuery(
        @JsonProperty("chat_instance") String chatInstance,
        @JsonProperty("data") String data,
        @JsonProperty("game_short_name") String gameShortName
-) {
+) implements GeneralObject {

    public boolean hasMessage() {
        return this.message != null;
--- a/core/src/main/java/hdvtdev/telegram/core/objects/message/Message.java
+++ b/core/src/main/java/hdvtdev/telegram/core/objects/message/Message.java
@@ -113,7 +113,7 @@ public record Message(
        @JsonProperty("web_app_data") WebAppData webAppData,
        @JsonProperty("reply_markup") InlineKeyboardMarkup inlineKeyboardMarkup

-) implements MaybeInaccessibleMessage {
+) implements MaybeInaccessibleMessage, GeneralObject {

    public boolean hasMessageThreadId() {
        return messageThreadId != null;