wip: use soju.im/search

Closes: https://todo.sr.ht/~emersion/gamja/139

components/app.js

@@ -1101,6 +1101,11 @@ export default class App extends Component {
 					from = receiptFromMessage(lastMsg);
 				}
 
+				if (client.caps.enabled.has("soju.im/search")) {
+					// TODO:
+					return;
+				}
+
 				client.fetchHistoryBetween(target.name, from, to, CHATHISTORY_MAX_SIZE).then((result) => {
 					for (let msg of result.messages) {
 						let destBuffers = this.routeMessage(serverID, msg);

lib/client.js

@@ -24,6 +24,7 @@ const permanentCaps = [
 
 	"soju.im/bouncer-networks",
 	"soju.im/read",
+	"soju.im/search",
 ];
 
 const RECONNECT_MIN_DELAY_MSEC = 10 * 1000; // 10s
@@ -926,6 +927,16 @@ export default class Client extends EventTarget {
 		});
 	}
 
+	search(attrs) {
+		let msg = {
+			command: "SEARCH",
+			params: [irc.formatTags(attrs)],
+		};
+		return this.fetchBatch(msg, "soju.im/search").then((batch) => {
+			return batch.messages;
+		});
+	}
+
 	listBouncerNetworks() {
 		let req = { command: "BOUNCER", params: ["LISTNETWORKS"] };
 		return this.fetchBatch(req, "soju.im/bouncer-networks").then((batch) => {