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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_processor");
public string id { get { return IDENTITY.id; } }
public signal void pre_message_received(Entities.Message message, Xmpp.MessageStanza message_stanza, Conversation conversation);
public signal void message_received(Entities.Message message, Conversation conversation);
public signal void build_message_stanza(Entities.Message message, Xmpp.MessageStanza message_stanza, Conversation conversation);
public signal void pre_message_send(Entities.Message message, Xmpp.MessageStanza 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);
send_xmpp_message(message, conversation);
message_sent(message, conversation);
}
public void send_unsent_messages(Account account, Jid? jid = null) {
Gee.List<Entities.Message> unsend_messages = db.get_unsend_messages(account, jid);
foreach (Entities.Message message in unsend_messages) {
Conversation? msg_conv = stream_interactor.get_module(ConversationManager.IDENTITY).get_conversation(message.counterpart, account);
if (msg_conv != null) {
send_xmpp_message(message, msg_conv, true);
}
}
}
private void on_account_added(Account account) {
stream_interactor.module_manager.get_module(account, Xmpp.MessageModule.IDENTITY).received_message.connect( (stream, message) => {
on_message_received(account, message);
});
stream_interactor.module_manager.get_module(account, Xmpp.Xep.MessageArchiveManagement.Module.IDENTITY).feature_available.connect( (stream) => {
DateTime start_time = account.mam_earliest_synced.to_unix() > 60 ? account.mam_earliest_synced.add_minutes(-1) : account.mam_earliest_synced;
stream.get_module(Xep.MessageArchiveManagement.Module.IDENTITY).query_archive(stream, null, start_time, null);
});
}
private void on_message_received(Account account, Xmpp.MessageStanza message) {
if (message.body == null) return;
Entities.Message new_message = create_in_message(account, message);
determine_message_type(account, message, new_message);
}
private Entities.Message? create_in_message(Account account, Xmpp.MessageStanza message) {
Entities.Message new_message = new Entities.Message(message.body);
new_message.account = account;
new_message.stanza_id = message.id;
if (!account.bare_jid.equals_bare(message.from) ||
message.from.equals(stream_interactor.get_module(MucManager.IDENTITY).get_own_jid(message.from.bare_jid, account))) {
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 ? message.to : message.from;
new_message.ourpart = new_message.direction == Entities.Message.DIRECTION_SENT ? message.from : message.to;
new_message.stanza = message;
Xep.MessageArchiveManagement.MessageFlag? mam_message_flag = Xep.MessageArchiveManagement.MessageFlag.get_flag(message);
if (mam_message_flag != null) new_message.local_time = mam_message_flag.server_time;
if (new_message.local_time == null || new_message.local_time.compare(new DateTime.now_utc()) > 0) new_message.local_time = new DateTime.now_utc();
Xep.DelayedDelivery.MessageFlag? delayed_message_flag = Xep.DelayedDelivery.MessageFlag.get_flag(message);
if (delayed_message_flag != null) new_message.time = delayed_message_flag.datetime;
if (new_message.time == null || new_message.time.compare(new_message.local_time) > 0) new_message.time = new_message.local_time;
return new_message;
}
private void process_message(Entities.Message new_message, Xmpp.MessageStanza 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);
}
bool is_mam_message = Xep.MessageArchiveManagement.MessageFlag.get_flag(stanza) != null;
XmppStream? stream = stream_interactor.get_stream(conversation.account);
Xep.MessageArchiveManagement.Flag? mam_flag = stream != null ? stream.get_flag(Xep.MessageArchiveManagement.Flag.IDENTITY) : null;
if (is_mam_message || (mam_flag != null && mam_flag.cought_up == true)) {
conversation.account.mam_earliest_synced = new_message.local_time;
}
}
}
}
private void determine_message_type(Account account, Xmpp.MessageStanza message_stanza, Entities.Message message) {
if (message_stanza.type_ == Xmpp.MessageStanza.TYPE_GROUPCHAT) {
message.type_ = Entities.Message.Type.GROUPCHAT;
process_message(message, message_stanza);
} else if (message_stanza.type_ == Xmpp.MessageStanza.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;
}
process_message(message, message_stanza);
} else {
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, (stream, identities) => {
if (identities == null) {
message.type_ = Entities.Message.Type.CHAT;
process_message(message, message_stanza);
return;
}
foreach (Xep.ServiceDiscovery.Identity identity in identities) {
if (identity.category == Xep.ServiceDiscovery.Identity.CATEGORY_CONFERENCE) {
message.type_ = Entities.Message.Type.GROUPCHAT_PM;
} else {
message.type_ = Entities.Message.Type.CHAT;
}
}
process_message(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_utc();
message.local_time = new DateTime.now_utc();
message.direction = Entities.Message.DIRECTION_SENT;
message.counterpart = conversation.counterpart;
if (conversation.type_ in new Conversation.Type[]{Conversation.Type.GROUPCHAT, Conversation.Type.GROUPCHAT_PM}) {
message.ourpart = stream_interactor.get_module(MucManager.IDENTITY).get_own_jid(conversation.counterpart, conversation.account) ?? conversation.account.bare_jid;
message.real_jid = conversation.account.bare_jid;
} else {
message.ourpart = conversation.account.bare_jid.with_resource(conversation.account.resourcepart);
}
message.marked = Entities.Message.Marked.UNSENT;
message.encryption = conversation.encryption;
return message;
}
public void send_xmpp_message(Entities.Message message, Conversation conversation, bool delayed = false) {
lock (lock_send_unsent) {
XmppStream stream = stream_interactor.get_stream(conversation.account);
message.marked = Entities.Message.Marked.NONE;
if (stream != null) {
Xmpp.MessageStanza new_message = new Xmpp.MessageStanza(message.stanza_id);
new_message.to = message.counterpart;
new_message.body = message.body;
if (conversation.type_ == Conversation.Type.GROUPCHAT) {
new_message.type_ = Xmpp.MessageStanza.TYPE_GROUPCHAT;
} else {
new_message.type_ = Xmpp.MessageStanza.TYPE_CHAT;
}
build_message_stanza(message, new_message, conversation);
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.MessageModule.IDENTITY).send_message(stream, new_message);
message.stanza_id = new_message.id;
message.stanza = new_message;
} else {
message.marked = Entities.Message.Marked.UNSENT;
}
}
}
}
}
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