refactor(helpers): separate functions into files (#667)

* refactor(helpers): separate functions into files

* idk

* idk

src/helpers/members/get_member.ts

@@ -0,0 +1,27 @@
+import { cacheHandlers } from "../../cache.ts";
+import { RequestManager } from "../../rest/request_manager.ts";
+import { structures } from "../../structures/mod.ts";
+import { MemberCreatePayload } from "../../types/mod.ts";
+import { endpoints } from "../../util/constants.ts";
+
+/** Returns a guild member object for the specified user.
+ *
+ * ⚠️ **ADVANCED USE ONLY: Your members will be cached in your guild most likely. Only use this when you are absolutely sure the member is not cached.**
+ */
+export async function getMember(
+  guildID: string,
+  id: string,
+  options?: { force?: boolean },
+) {
+  const guild = await cacheHandlers.get("guilds", guildID);
+  if (!guild && !options?.force) return;
+
+  const data = (await RequestManager.get(
+    endpoints.GUILD_MEMBER(guildID, id),
+  )) as MemberCreatePayload;
+
+  const memberStruct = await structures.createMemberStruct(data, guildID);
+  await cacheHandlers.set("members", memberStruct.id, memberStruct);
+
+  return memberStruct;
+}