anotherim-desktop/libdino/src/service/entity_info.vala

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Vala
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using Gee;
using Dino.Entities;
using Xmpp;
using Xmpp.Xep;
using Xmpp.Xep.ServiceDiscovery;
namespace Dino {
public class EntityInfo : StreamInteractionModule, Object {
public static ModuleIdentity<EntityInfo> IDENTITY = new ModuleIdentity<EntityInfo>("entity_info");
public string id { get { return IDENTITY.id; } }
private StreamInteractor stream_interactor;
private Database db;
private EntityCapabilitiesStorage entity_capabilities_storage;
private HashMap<Jid, string> entity_caps_hashes = new HashMap<Jid, string>(Jid.hash_func, Jid.equals_func);
public static void start(StreamInteractor stream_interactor, Database db) {
EntityInfo m = new EntityInfo(stream_interactor, db);
stream_interactor.add_module(m);
}
private EntityInfo(StreamInteractor stream_interactor, Database db) {
this.stream_interactor = stream_interactor;
this.db = db;
this.entity_capabilities_storage = new EntityCapabilitiesStorage(db);
stream_interactor.account_added.connect(on_account_added);
stream_interactor.module_manager.initialize_account_modules.connect(initialize_modules);
}
public Identity? get_identity(Account account, Jid jid) {
string? caps_hash = entity_caps_hashes[jid];
if (caps_hash == null) return null;
return entity_capabilities_storage.get_identities(caps_hash);
}
private void on_received_available_presence(Account account, Presence.Stanza presence) {
bool is_gc = stream_interactor.get_module(MucManager.IDENTITY).is_groupchat(presence.from.bare_jid, account);
if (is_gc) return;
string? caps_hash = EntityCapabilities.get_caps_hash(presence);
if (caps_hash == null) return;
db.entity.upsert()
.value(db.entity.account_id, account.id, true)
.value(db.entity.jid_id, db.get_jid_id(presence.from), true)
.value(db.entity.resource, presence.from.resourcepart, true)
.value(db.entity.last_seen, (long)(new DateTime.now_local()).to_unix())
.value(db.entity.caps_hash, caps_hash)
.perform();
if (caps_hash != null) {
entity_caps_hashes[presence.from] = caps_hash;
}
}
private void on_account_added(Account account) {
stream_interactor.module_manager.get_module(account, Presence.Module.IDENTITY).received_available.connect((stream, presence) => on_received_available_presence(account, presence));
}
private void initialize_modules(Account account, ArrayList<XmppStreamModule> modules) {
modules.add(new Xep.EntityCapabilities.Module(entity_capabilities_storage));
}
}
}