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

* refactor: rename controllers to handlers and handlers to helpers

* fmt

src/handlers/messages/MESSAGE_CREATE.ts

@@ -0,0 +1,41 @@
+import { eventHandlers } from "../../bot.ts";
+import { DiscordPayload, MessageCreateOptions } from "../../types/mod.ts";
+import { structures } from "../../structures/mod.ts";
+import { cacheHandlers } from "../../cache.ts";
+
+export async function handleMessageCreate(data: DiscordPayload) {
+  const payload = data.d as MessageCreateOptions;
+  const channel = await cacheHandlers.get("channels", payload.channel_id);
+  if (channel) channel.lastMessageID = payload.id;
+
+  const guild = payload.guild_id
+    ? await cacheHandlers.get("guilds", payload.guild_id)
+    : undefined;
+
+  if (payload.member && guild) {
+    // If in a guild cache the author as a member
+    const memberStruct = await structures.createMemberStruct(
+      { ...payload.member, user: payload.author },
+      guild.id,
+    );
+    await cacheHandlers.set("members", memberStruct.id, memberStruct);
+  }
+
+  await Promise.all(payload.mentions.map(async (mention) => {
+    // Cache the member if its a valid member
+    if (mention.member && guild) {
+      const memberStruct = await structures.createMemberStruct(
+        { ...mention.member, user: mention },
+        guild.id,
+      );
+
+      return cacheHandlers.set("members", memberStruct.id, memberStruct);
+    }
+  }));
+
+  const message = await structures.createMessageStruct(payload);
+  // Cache the message
+  await cacheHandlers.set("messages", payload.id, message);
+
+  eventHandlers.messageCreate?.(message);
+}