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+using Gee;
+
+using Xmpp;
+using Dino.Entities;
+
+namespace Dino {
+
+public class MessageProcessor : StreamInteractionModule, Object {
+ public static ModuleIdentity<MessageProcessor> IDENTITY = new ModuleIdentity<MessageProcessor>("message_manager");
+ public string id { get { return IDENTITY.id; } }
+
+ public signal void pre_message_received(Entities.Message message, Xmpp.Message.Stanza message_stanza, Conversation conversation);
+ public signal void message_received(Entities.Message message, Conversation conversation);
+ public signal void out_message_created(Entities.Message message, Conversation conversation);
+ public signal void pre_message_send(Entities.Message message, Xmpp.Message.Stanza message_stanza, Conversation conversation);
+ public signal void message_sent(Entities.Message message, Conversation conversation);
+
+ private StreamInteractor stream_interactor;
+ private Database db;
+ private Object lock_send_unsent;
+
+ public static void start(StreamInteractor stream_interactor, Database db) {
+ MessageProcessor m = new MessageProcessor(stream_interactor, db);
+ stream_interactor.add_module(m);
+ }
+
+ private MessageProcessor(StreamInteractor stream_interactor, Database db) {
+ this.stream_interactor = stream_interactor;
+ this.db = db;
+ stream_interactor.account_added.connect(on_account_added);
+ stream_interactor.connection_manager.connection_state_changed.connect((account, state) => {
+ if (state == ConnectionManager.ConnectionState.CONNECTED) send_unsent_messages(account);
+ });
+ }
+
+ public void send_message(string text, Conversation conversation) {
+ Entities.Message message = create_out_message(text, conversation);
+ stream_interactor.get_module(MessageStorage.IDENTITY).add_message(message, conversation);
+ message.persist(db);
+ send_xmpp_message(message, conversation);
+ message_sent(message, conversation);
+ }
+
+ private void on_account_added(Account account) {
+ stream_interactor.module_manager.get_module(account, Xmpp.Message.Module.IDENTITY).received_message.connect( (stream, message) => {
+ on_message_received(account, message);
+ });
+ }
+
+ private void send_unsent_messages(Account account) {
+ Gee.List<Entities.Message> unsend_messages = db.get_unsend_messages(account);
+ foreach (Entities.Message message in unsend_messages) {
+ Conversation? conversation = stream_interactor.get_module(ConversationManager.IDENTITY).get_conversation(message.counterpart, account);
+ if (conversation != null) {
+ send_xmpp_message(message, conversation, true);
+ }
+ }
+ }
+
+ private void on_message_received(Account account, Xmpp.Message.Stanza message) {
+ if (message.body == null) return;
+
+ Entities.Message new_message = create_in_message(account, message);
+
+ determine_message_type(account, message, new_message);
+ Conversation? conversation = stream_interactor.get_module(ConversationManager.IDENTITY).get_conversation_for_message(new_message);
+ if (conversation != null) process_message(new_message, message);
+ }
+
+ private Entities.Message create_in_message(Account account, Xmpp.Message.Stanza message) {
+ Entities.Message new_message = new Entities.Message(message.body);
+ new_message.account = account;
+ new_message.stanza_id = message.id;
+ Jid from_jid = new Jid(message.from);
+ if (!account.bare_jid.equals_bare(from_jid) ||
+ stream_interactor.get_module(MucManager.IDENTITY).get_nick(from_jid.bare_jid, account) == from_jid.resourcepart) {
+ new_message.direction = Entities.Message.DIRECTION_RECEIVED;
+ } else {
+ new_message.direction = Entities.Message.DIRECTION_SENT;
+ }
+ new_message.counterpart = new_message.direction == Entities.Message.DIRECTION_SENT ? new Jid(message.to) : new Jid(message.from);
+ new_message.ourpart = new_message.direction == Entities.Message.DIRECTION_SENT ? new Jid(message.from) : new Jid(message.to);
+ new_message.stanza = message;
+ Xep.DelayedDelivery.MessageFlag? deleyed_delivery_flag = Xep.DelayedDelivery.MessageFlag.get_flag(message);
+ new_message.time = deleyed_delivery_flag != null ? deleyed_delivery_flag.datetime : new DateTime.now_local();
+ new_message.local_time = new DateTime.now_local();
+ return new_message;
+ }
+
+ private void process_message(Entities.Message new_message, Xmpp.Message.Stanza stanza) {
+ Conversation? conversation = stream_interactor.get_module(ConversationManager.IDENTITY).get_conversation_for_message(new_message);
+ if (conversation != null) {
+ pre_message_received(new_message, stanza, conversation);
+
+ bool is_uuid = new_message.stanza_id != null && Regex.match_simple("""[0-9A-Fa-f]{8}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{12}""", new_message.stanza_id);
+ if ((is_uuid && !db.contains_message_by_stanza_id(new_message.stanza_id, conversation.account)) ||
+ (!is_uuid && !db.contains_message(new_message, conversation.account))) {
+ stream_interactor.get_module(MessageStorage.IDENTITY).add_message(new_message, conversation);
+ if (new_message.direction == Entities.Message.DIRECTION_SENT) {
+ message_sent(new_message, conversation);
+ } else {
+ message_received(new_message, conversation);
+ }
+ }
+ }
+ }
+
+ private void determine_message_type(Account account, Xmpp.Message.Stanza message_stanza, Entities.Message message) {
+ if (message_stanza.type_ == Xmpp.Message.Stanza.TYPE_GROUPCHAT) {
+ message.type_ = Entities.Message.Type.GROUPCHAT;
+ process_message(message, message_stanza);
+ } else if (message_stanza.type_ == Xmpp.Message.Stanza.TYPE_CHAT) {
+ Conversation? conversation = stream_interactor.get_module(ConversationManager.IDENTITY).get_conversation(message.counterpart.bare_jid, account);
+ if (conversation != null) {
+ if (conversation.type_ == Conversation.Type.CHAT) {
+ message.type_ = Entities.Message.Type.CHAT;
+ } else if (conversation.type_ == Conversation.Type.GROUPCHAT) {
+ message.type_ = Entities.Message.Type.GROUPCHAT_PM;
+ }
+ } else {
+ Core.XmppStream stream = stream_interactor.get_stream(account);
+ if (stream != null) stream.get_module(Xep.ServiceDiscovery.Module.IDENTITY).get_entity_categories(stream, message.counterpart.bare_jid.to_string(), (stream, identities, store) => {
+ Triple<MessageProcessor, Entities.Message, Xmpp.Message.Stanza> triple = store as Triple<MessageProcessor, Entities.Message, Xmpp.Message.Stanza>;
+ Entities.Message m = triple.b;
+ if (identities == null) {
+ m.type_ = Entities.Message.Type.CHAT;
+ triple.a.process_message(m, triple.c);
+ return;
+ }
+ foreach (Xep.ServiceDiscovery.Identity identity in identities) {
+ if (identity.category == Xep.ServiceDiscovery.Identity.CATEGORY_CONFERENCE) {
+ m.type_ = Entities.Message.Type.GROUPCHAT_PM;
+ } else {
+ m.type_ = Entities.Message.Type.CHAT;
+ }
+ triple.a.process_message(m, triple.c);
+ }
+ }, Triple.create(this, message, message_stanza));
+ }
+ }
+ }
+
+ private Entities.Message create_out_message(string text, Conversation conversation) {
+ Entities.Message message = new Entities.Message(text);
+ message.type_ = Util.get_message_type_for_conversation(conversation);
+ message.stanza_id = random_uuid();
+ message.account = conversation.account;
+ message.body = text;
+ message.time = new DateTime.now_local();
+ message.local_time = new DateTime.now_local();
+ message.direction = Entities.Message.DIRECTION_SENT;
+ message.counterpart = conversation.counterpart;
+ message.ourpart = new Jid(conversation.account.bare_jid.to_string() + "/" + conversation.account.resourcepart);
+ message.marked = Entities.Message.Marked.UNSENT;
+ message.encryption = conversation.encryption;
+
+ out_message_created(message, conversation);
+ return message;
+ }
+
+ public void send_xmpp_message(Entities.Message message, Conversation conversation, bool delayed = false) {
+ lock (lock_send_unsent) {
+ Core.XmppStream stream = stream_interactor.get_stream(conversation.account);
+ message.marked = Entities.Message.Marked.NONE;
+ if (stream != null) {
+ Xmpp.Message.Stanza new_message = new Xmpp.Message.Stanza(message.stanza_id);
+ new_message.to = message.counterpart.to_string();
+ new_message.body = message.body;
+ if (conversation.type_ == Conversation.Type.GROUPCHAT) {
+ new_message.type_ = Xmpp.Message.Stanza.TYPE_GROUPCHAT;
+ } else {
+ new_message.type_ = Xmpp.Message.Stanza.TYPE_CHAT;
+ }
+ pre_message_send(message, new_message, conversation);
+ if (message.marked == Entities.Message.Marked.UNSENT || message.marked == Entities.Message.Marked.WONTSEND) return;
+ if (delayed) {
+ Xmpp.Xep.DelayedDelivery.Module.set_message_delay(new_message, message.time);
+ }
+ stream.get_module(Xmpp.Message.Module.IDENTITY).send_message(stream, new_message);
+ message.stanza_id = new_message.id;
+ message.stanza = new_message;
+ } else {
+ message.marked = Entities.Message.Marked.UNSENT;
+ }
+ }
+ }
+}
+
+} \ No newline at end of file