refactor: rename controllers to handlers and handlers to helpers (#660)

* refactor: rename controllers to handlers and handlers to helpers

* fmt

src/handlers/voice/VOICE_SERVER_UPDATE.ts

@@ -0,0 +1,15 @@
+import { eventHandlers } from "../../bot.ts";
+import {
+  DiscordPayload,
+  DiscordVoiceServerUpdateEvent,
+} from "../../types/mod.ts";
+import { cacheHandlers } from "../../cache.ts";
+
+export async function handleVoiceServerUpdate(data: DiscordPayload) {
+  const payload = data.d as DiscordVoiceServerUpdateEvent;
+
+  const guild = await cacheHandlers.get("guilds", payload.guild_id);
+  if (!guild) return;
+
+  eventHandlers.voiceServerUpdate?.(payload.token, guild, payload.endpoint);
+}

src/handlers/voice/VOICE_STATE_UPDATE.ts

@@ -0,0 +1,54 @@
+import { eventHandlers } from "../../bot.ts";
+import { DiscordPayload, VoiceStateUpdatePayload } from "../../types/mod.ts";
+import { structures } from "../../structures/mod.ts";
+import { cacheHandlers } from "../../cache.ts";
+
+export async function handleVoiceStateUpdate(data: DiscordPayload) {
+  const payload = data.d as VoiceStateUpdatePayload;
+  if (!payload.guild_id) return;
+
+  const guild = await cacheHandlers.get("guilds", payload.guild_id);
+  if (!guild) return;
+
+  const member = payload.member
+    ? await structures.createMemberStruct(payload.member, guild.id)
+    : await cacheHandlers.get("members", payload.user_id);
+  if (!member) return;
+
+  // No cached state before so lets make one for em
+  const cachedState = guild.voiceStates.get(payload.user_id);
+
+  guild.voiceStates.set(payload.user_id, {
+    ...payload,
+    guildID: payload.guild_id,
+    channelID: payload.channel_id || "",
+    userID: payload.user_id,
+    sessionID: payload.session_id,
+    selfDeaf: payload.self_deaf,
+    selfMute: payload.self_mute,
+    selfStream: payload.self_stream || false,
+  });
+
+  await cacheHandlers.set("guilds", payload.guild_id, guild);
+
+  if (cachedState?.channelID !== payload.channel_id) {
+    // Either joined or moved channels
+    if (payload.channel_id) {
+      if (cachedState?.channelID) { // Was in a channel before
+        eventHandlers.voiceChannelSwitch?.(
+          member,
+          payload.channel_id,
+          cachedState.channelID,
+        );
+      } else { // Was not in a channel before so user just joined
+        eventHandlers.voiceChannelJoin?.(member, payload.channel_id);
+      }
+    } // Left the channel
+    else if (cachedState?.channelID) {
+      guild.voiceStates.delete(payload.user_id);
+      eventHandlers.voiceChannelLeave?.(member, cachedState.channelID);
+    }
+  }
+
+  eventHandlers.voiceStateUpdate?.(member, payload);
+}