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using Gee;
namespace Xmpp.Xep.Reactions {
public const string NS_URI = "urn:xmpp:reactions:0";
public class Module : XmppStreamModule {
public static ModuleIdentity<Module> IDENTITY = new ModuleIdentity<Module>(NS_URI, "reactions");
public signal void received_reactions(XmppStream stream, Jid from_jid, string message_id, Gee.List<string> reactions, MessageStanza stanza);
private ReceivedPipelineListener received_pipeline_listener = new ReceivedPipelineListener();
public async void send_reaction(XmppStream stream, Jid jid, string stanza_type, string message_id, Gee.List<string> reactions) throws IOError {
StanzaNode reactions_node = new StanzaNode.build("reactions", NS_URI).add_self_xmlns();
reactions_node.put_attribute("id", message_id);
foreach (string reaction in reactions) {
StanzaNode reaction_node = new StanzaNode.build("reaction", NS_URI);
reaction_node.put_node(new StanzaNode.text(reaction));
reactions_node.put_node(reaction_node);
}
MessageStanza message = new MessageStanza() { to=jid, type_=stanza_type };
message.stanza.put_node(reactions_node);
MessageProcessingHints.set_message_hint(message, MessageProcessingHints.HINT_STORE);
yield stream.get_module(MessageModule.IDENTITY).send_message(stream, message);
}
public override void attach(XmppStream stream) {
stream.get_module(ServiceDiscovery.Module.IDENTITY).add_feature(stream, NS_URI);
stream.get_module(MessageModule.IDENTITY).received_pipeline.connect(received_pipeline_listener);
}
public override void detach(XmppStream stream) {
stream.get_module(ServiceDiscovery.Module.IDENTITY).remove_feature(stream, NS_URI);
stream.get_module(MessageModule.IDENTITY).received_pipeline.disconnect(received_pipeline_listener);
}
public override string get_ns() { return NS_URI; }
public override string get_id() { return IDENTITY.id; }
}
public class ReceivedPipelineListener : StanzaListener<MessageStanza> {
private const string[] after_actions_const = {"EXTRACT_MESSAGE_2"};
public override string action_group { get { return ""; } }
public override string[] after_actions { get { return after_actions_const; } }
public override async bool run(XmppStream stream, MessageStanza message) {
StanzaNode? reactions_node = message.stanza.get_subnode("reactions", NS_URI);
if (reactions_node == null) return false;
string? id_attribute = reactions_node.get_attribute("id");
if (id_attribute == null) return false;
Gee.List<string> reactions = new ArrayList<string>();
foreach (StanzaNode reaction_node in reactions_node.get_subnodes("reaction", NS_URI)) {
string? reaction = reaction_node.get_string_content();
if (reaction == null) return false;
if (!reactions.contains(reaction)) {
reactions.add(reaction);
}
}
stream.get_module(Module.IDENTITY).received_reactions(stream, message.from, id_attribute, reactions, message);
return true;
}
}
}
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