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

* refactor: rename controllers to handlers and handlers to helpers

* fmt

src/handlers/integrations/INTEGRATION_UPDATE.ts

@@ -0,0 +1,29 @@
+import { eventHandlers } from "../../bot.ts";
+import {
+  DiscordPayload,
+  IntegrationCreateUpdateEvent,
+} from "../../types/mod.ts";
+
+export function handleIntegrationUpdate(data: DiscordPayload) {
+  const {
+    enable_emoticons: enableEmoticons,
+    expire_behavior: expireBehavior,
+    expire_grace_period: expireGracePeriod,
+    role_id: roleID,
+    subscriber_count: subscriberCount,
+    synced_at: syncedAt,
+    guild_id: guildID,
+    ...rest
+  } = data.d as IntegrationCreateUpdateEvent;
+
+  eventHandlers.integrationUpdate?.({
+    ...rest,
+    guildID,
+    subscriberCount,
+    enableEmoticons,
+    expireGracePeriod,
+    roleID,
+    expireBehavior,
+    syncedAt,
+  });
+}