add endpoint to poll all guilds the user has access to

DiscordClient.js

@@ -210,7 +210,15 @@ class DiscordClient extends EventEmitter {
             reason = reason.toString();
             this.emit("close", code, reason);
             console.error(`DiscordClient: on \`close\`: disconnected from gateway: code \`${code}\`, reason \`${reason}\``);
-        })
+        });
+
+        ws.on("error", (e) => {
+            console.error("DiscordClient: websocket error:", e);
+            console.log("DiscordClient: reconnecting in a couple of miliseconds");
+            setTimeout(() => {
+                this.connect();
+            }, 400);
+        });
     }
 
     async api([method, path], body=undefined, throwOnError=true) {

WatchedGuild.js

@@ -60,7 +60,7 @@ class WatchedGuild extends EventEmitter {
                 return;
 
             const maybeKnownWebhook = this.knownWebhooks.get(message.channel_id);
-            if (maybeKnownWebhook.id === message.webhook_id)
+            if (maybeKnownWebhook && maybeKnownWebhook.id === message.webhook_id)
                 return; // ignore messages coming from our webhook
 
             this.pushEvent({

frontend/src/api/APIClient.js

@@ -36,7 +36,7 @@ class APIClient {
         let shouldContinue = true;
 
         const poll = async () => {
-            this.getRequest(`/guilds/${guildId}/events/poll`)
+            this.getRequest(guildId ? `/guilds/${guildId}/events/poll` : "/events/poll")
                 .then((result) => {
                     if (result.event) {
                         callback(result);

frontend/src/components/App.svelte

@@ -30,18 +30,24 @@
 					selectedChannel = guilds[0].channels[0];
 			}
 
-			const { poll } = apiClient.createPollingListener(selectedGuild.id, ({ event }) => {
+			const { poll } = apiClient.createPollingListener(null, ({ event }) => {
 				if (event.eventType === "MESSAGE_CREATE") {
-					if (!messageStore[selectedGuild.id]) {
+					const guildId = event.message.guild_id;
-						messageStore[selectedGuild.id] = [];
+					const channelId = event.message.channel_id;
+
+					if (!messageStore[guildId]) {
+						messageStore[guildId] = {};
 					}
-					messageStore[selectedGuild.id] = [...messageStore[selectedGuild.id], event.message];
+					if (!messageStore[guildId][channelId]) {
+						messageStore[guildId][channelId] = [];
+					}
+					messageStore[guildId][channelId] = [...messageStore[guildId][channelId], event.message];
 				}
 			});
 			poll();
 		});
 
-	$: selectedGuildMessages = selectedGuild ? (messageStore[selectedGuild.id] || []) : [];
+	$: selectedChannelMessages = selectedGuild ? ((messageStore[selectedGuild.id] || [])[selectedChannel.id] || []) : [];
 
 	function onTextEntryMessage(event) {
 		if (!selectedGuild || !selectedChannel) {
@@ -49,8 +55,15 @@
 		}
 
 		const nonce = Math.floor(Math.random() * (Number.MAX_SAFE_INTEGER - 10));
-		messageStore[selectedGuild.id] = [
+		if (!messageStore[selectedGuild.id])
-			...messageStore[selectedGuild.id] || [],
+			messageStore[selectedGuild.id] = {};
+
+		// this looks horrible, however directly accessing the values without
+		// using a variable for readability is the only way i can get
+		// reactivity to work
+		// :(
+		messageStore[selectedGuild.id][selectedChannel.id] = [
+			...messageStore[selectedGuild.id][selectedChannel.id] || [],
 			{
 				channel_id: selectedChannel.id,
 				content: event.detail,
@@ -62,14 +75,14 @@
 			}
 		];
 		// we could just get the length and subtract 1 but that might introduce some race conditions
-		const thisMessageIndex = messageStore[selectedGuild.id].findIndex(e => e._nonce === nonce);
+		const thisMessageIndex = messageStore[selectedGuild.id][selectedChannel.id].findIndex(e => e._nonce === nonce);
 
 		apiClient.postRequest(`/guilds/${selectedGuild.id}/channels/${selectedChannel.id}/messages/create`, {
 			content: event.detail
 		}).then(() => {
-			messageStore[selectedGuild.id][thisMessageIndex]._pendingStatus = "success";
+			messageStore[selectedGuild.id][selectedChannel.id][thisMessageIndex]._pendingStatus = "success";
 		}).catch(() => {
-			messageStore[selectedGuild.id][thisMessageIndex]._pendingStatus = "error";
+			messageStore[selectedGuild.id][selectedChannel.id][thisMessageIndex]._pendingStatus = "error";
 		});
 	}
 </script>
@@ -100,7 +113,7 @@
 	<div class="card full-card">
 		<SelectedGuildInfoDisplay guild={selectedGuild} channel={selectedChannel} />
 		<div class="message-list-container">
-			<MessageList messages={selectedGuildMessages} />
+			<MessageList messages={selectedChannelMessages} />
 		</div>
 	</div>
 	<MessageEntry on:sendmessage={onTextEntryMessage} />

routes/api.js

@@ -127,4 +127,28 @@ router.get("/guilds/:guildId/events/poll", checkAuth(async (req, res) => {
     }
 }));
 
+router.get("/events/poll", checkAuth(async (req, res) => {
+    const { guildAccess } = req.user;
+
+    try {
+        // note: probably not very optimal
+        const promises = [];
+        guildAccess.forEach((guildId) => {
+            const guild = guildMap.get(guildId);
+            if (guild) {
+                promises.push(guild.holdForEvent(15000));
+            }
+        });
+
+        // note: if 2 guild events happen at the same time, one of them may be dropped
+        Promise.race(promises)
+            .then(e => {
+                res.status(200).send({ error: false, event: e })
+            });
+    } catch(e) {
+        console.error("server main: api: guild poll events: error: ", e);
+        res.status(500).send({ error: true, message: "ERROR_POLL_FAILURE" });
+    }
+}));
+
 export default router;