user registration, bal, change_bal, transfer

commands/transfer.ts

@@ -0,0 +1,34 @@
+import type { ChatInputCommandInteraction } from "discord.js";
+
+import type { CommandData } from "./index";
+import type { User } from "../db";
+import config from "../config.json";
+import { get_user, add_balance, sub_balance } from "../db";
+import { BotError } from "./error";
+
+async function run(interaction: ChatInputCommandInteraction, user: User) {
+  const options = interaction.options;
+  const target_id: string = (await options.get("target")).user.id;
+  const amount: number = (await options.get("amount")).value as number;
+  if (amount <= 0) throw new BotError("Transfer account cannot be zero or negative");
+  let trans_user = await get_user(target_id);
+  if (!trans_user) throw new BotError("Target is not registered");
+  //no checks, baby! well, let db.ts handle it
+  const enough_balance = await sub_balance(user.user, amount);
+  if (!enough_balance) throw new BotError(`You do not have enough ${config.currency_plural} to transfer that amount`);
+  await add_balance(target_id, amount);
+  return await interaction.editReply(`<@${user.user}> transferred ${amount} ${ amount === 1 ? config.currency : config.currency_plural } to <@${target_id}>`);
+}
+
+const data: CommandData = {
+  name: "transfer",
+  description: "Send currency to another user",
+  registered_only: true,
+  ephemeral: false,
+  admin_only: false,
+  run,
+};
+
+export default data;
+
+