buy, use, delete, edit item

commands/buy.ts

@@ -0,0 +1,41 @@
+import type { ChatInputCommandInteraction } from "discord.js";
+
+import type { CommandData } from "./index";
+import type { StoreItem, User } from "../db";
+import { get_item, add_item_to_user, sub_balance } from "../db";
+import { BotError } from "./common/error";
+import { item_name_autocomplete } from "./common/autocompletes";
+import { has_role } from "../util";
+import config from "../config.json";
+
+async function run(interaction: ChatInputCommandInteraction, user: User) {
+  const options = interaction.options;
+  const name: string = (await options.get("name")).value as string;
+  const quantity: number = (await options.get("quantity")).value as number;
+  if (quantity <= 0) throw new BotError("Can't buy 0 or less of an item. Nice try");
+  const item = await get_item(name);
+  if (!item) throw new BotError("Item does not exist");
+  if (item.roles_required.length > 0) {
+    for (const role_id of item.roles_required) {
+      if (!has_role(interaction, role_id)) throw new BotError("Missing one of the required roles to buy this item");
+    }
+  }
+  const total_cost = item.price * quantity;
+  if (!(await sub_balance(user.user, total_cost))) throw new BotError("Not enough balance to buy this item");
+  await add_item_to_user(user.user, item.name, quantity);
+  return await interaction.editReply(`Bought ${quantity} of \`${name}\` for ${total_cost} ${ total_cost === 1 ? config.currency : config.currency_plural }`);
+}
+
+const data: CommandData = {
+  name: "buy",
+  description: "Buy an item from the store",
+  registered_only: true,
+  ephemeral: false,
+  admin_only: false,
+  run,
+  autocomplete: item_name_autocomplete, //autocompletes for the "name" option
+};
+
+export default data;
+
+

commands/create_item.ts

@@ -1,4 +1,4 @@
-//also: edit_item, delete_item, store, buy, use_item, (admin: /take_item, /add_item)
+//also: edit_item
 
 import type { ChatInputCommandInteraction } from "discord.js";
 

commands/delete_item.ts

@@ -0,0 +1,28 @@
+import type { ChatInputCommandInteraction } from "discord.js";
+
+import type { CommandData } from "./index";
+import { delete_item, get_item } from "../db";
+import { BotError } from "./common/error";
+import { item_name_autocomplete } from "./common/autocompletes";
+
+async function run(interaction: ChatInputCommandInteraction) {
+  await interaction.deferReply();
+  const options = interaction.options;
+  const name: string = (await options.get("name")).value as string;
+  if (!(await get_item(name))) throw new BotError("No item with that name exists to delete");
+  await delete_item(name);
+  return await interaction.editReply(`Deleted item \`${name}\``);
+}
+
+const data: CommandData = {
+  name: "delete_item",
+  description: "Delete item from the store and all users",
+  registered_only: false,
+  ephemeral: false,
+  admin_only: true,
+  run,
+  autocomplete: item_name_autocomplete, //autocompletes for the "name" option
+};
+
+export default data;
+

commands/edit_item.ts

@@ -0,0 +1,47 @@
+import type { ChatInputCommandInteraction } from "discord.js";
+
+import type { CommandData } from "./index";
+import type { Items, StoreItem, User } from "../db";
+import { edit_item, get_item } from "../db";
+import { BotError } from "./common/error";
+import { item_name_autocomplete } from "./common/autocompletes";
+
+async function run(interaction: ChatInputCommandInteraction) {
+  await interaction.deferReply();
+  const options = interaction.options;
+  const name: string = (await options.get("name")).value as string;
+  const delete_existing_roles: boolean = (await options.get("delete_existing_roles")).value as boolean;
+  const item = await get_item(name);
+  if (!item) throw new BotError("No item of that name exists");
+  const price: number = ((await options.get("price"))?.value ?? item.price) as number;
+  const description: string = ((await options.get("description"))?.value ?? item.description) as string;
+  const usable: boolean = ((await options.get("usable"))?.value ?? item.usable) as boolean;
+  //to add multiple roles, people will have to use /edit_item, I guess? augh
+  const required_role = (await options.get("required_role"))?.role;
+  if (price < 0) throw new BotError("Price cannot be negative");
+  //name and description char limits (based on discord embed field name/value limits)
+  if (description.length > 900) throw new BotError("Item description cannot be more than 1024 characters"); //true limit is 1024 but we want some margin for other info
+  const existing = delete_existing_roles ? [] : item.roles_required;
+  const store_item: StoreItem = {
+    name,
+    price,
+    description,
+    roles_required: required_role ? [...existing, required_role.id] : existing,
+    usable,
+  };
+  await edit_item(store_item);
+  return await interaction.editReply("Item edited");
+}
+
+const data: CommandData = {
+  name: "edit_item",
+  description: "Edit item",
+  registered_only: false,
+  ephemeral: false,
+  admin_only: true,
+  run,
+  autocomplete: item_name_autocomplete, //autocompletes for the "name" option
+};
+
+export default data;
+

commands/index.ts

@@ -5,6 +5,7 @@ import type { User } from "../db";
 import { get_user } from "../db";
 import { BotError } from "./common/error";
 import config from "../config.json";
+import { has_role } from "../util";
 
 import say from "./say";
 import roll from "./roll";
@@ -16,6 +17,10 @@ import items from "./items";
 import create_item from "./create_item";
 import store from "./store";
 import change_item_balance from "./change_item_balance";
+import buy from "./buy";
+import use_item from "./use_item";
+import delete_item from "./delete_item";
+import edit_item from "./edit_item";
 
 export interface CommandData {
   name: string;
@@ -27,10 +32,10 @@ export interface CommandData {
   autocomplete?: (interaction: AutocompleteInteraction) => Promise<any>;
 };
 
-const commands: CommandData[] = [say, roll, register_user, bal, change_bal, transfer, items, create_item, store, change_item_balance];
+const commands: CommandData[] = [say, roll, register_user, bal, change_bal, transfer, items, create_item, store, change_item_balance, buy, use_item, delete_item, edit_item];
 
 function is_admin(interaction: ChatInputCommandInteraction): boolean {
-  return (interaction.member as GuildMember).roles.cache.some((r) => r.id === config.admin_role);
+  return has_role(interaction, config.admin_role);
 }
 
 async function run(interaction: ChatInputCommandInteraction, found: CommandData, name: string) {

commands/use_item.ts

@@ -0,0 +1,34 @@
+import type { ChatInputCommandInteraction } from "discord.js";
+
+import type { CommandData } from "./index";
+import type { StoreItem, User } from "../db";
+import { get_item, sub_item_to_user } from "../db";
+import { BotError } from "./common/error";
+import { item_name_autocomplete } from "./common/autocompletes";
+
+async function run(interaction: ChatInputCommandInteraction, user: User) {
+  const options = interaction.options;
+  const name: string = (await options.get("name")).value as string;
+  const quantity: number = (await options.get("quantity")).value as number;
+  if (quantity <= 0) throw new BotError("Can't use 0 or less of an item");
+  const item = await get_item(name);
+  if (!item) throw new BotError("Item does not exist");
+  if (!item.usable) throw new BotError("That item is not usable");
+  if (!(await sub_item_to_user(user.user, name, quantity))) throw new BotError("You did not have enough of that item to use");
+  return await interaction.editReply(`Used ${quantity} of \`${name}\``);
+}
+
+const data: CommandData = {
+  name: "use_item",
+  description: "Use an item (subtracts from your items)",
+  registered_only: true,
+  ephemeral: false,
+  admin_only: false,
+  run,
+  autocomplete: item_name_autocomplete, //autocompletes for the "name" option
+};
+
+export default data;
+
+
+

db.ts

@@ -124,7 +124,7 @@ export async function get_all_items(): Promise<StoreItem[]> {
   return await (await store.find()).toArray();
 }
 
-export async function get_item(item: string): Promise<StoreItem[]> {
+export async function get_item(item: string): Promise<StoreItem> {
   return await store.findOne({ name: item });
 }
 
@@ -134,7 +134,7 @@ export async function create_item(store_item: StoreItem) {
 
 //assume name cannot be edited
 export async function edit_item(store_item: StoreItem) {
-  return await store.updateOne({ name: store_item.name }, store_item);
+  return await store.replaceOne({ name: store_item.name }, store_item);
 }
 
 export async function delete_item(item: string) {

register.ts

@@ -203,6 +203,100 @@ const commands = [
       },
     ],
   },
+  {
+    name: "buy",
+    description: "Buy an item from the store",
+    options: [
+      {
+        type: 3,
+        name: "name",
+        description: "Name of the item",
+        required: true,
+        autocomplete: true,
+      },
+      {
+        type: 4,
+        name: "quantity",
+        description: "Amount of the item to buy",
+        required: true,
+      },
+    ],
+  },
+  {
+    name: "use_item",
+    description: "Use an item (subtracts from your items)",
+    options: [
+      {
+        type: 3,
+        name: "name",
+        description: "Name of the item",
+        required: true,
+        autocomplete: true,
+      },
+      {
+        type: 4,
+        name: "quantity",
+        description: "Amount of the item to use",
+        required: true,
+      },
+    ],
+  },
+  {
+    name: "delete_item",
+    description: "Delete item from the store and all users (admin only)",
+    options: [
+      {
+        type: 3,
+        name: "name",
+        description: "Name of the item",
+        required: true,
+        autocomplete: true,
+      },
+    ],
+  },
+  {
+    name: "edit_item",
+    description: "Create item (admin only)",
+    options: [
+      {
+        type: 3,
+        name: "name",
+        description: "Name of the item",
+        required: true,
+        autocomplete: true,
+      },
+      {
+        type: 5,
+        name: "delete_existing_roles",
+        description: "If true, deletes existing required roles as requirements",
+        required: true,
+      },
+      {
+        type: 4,
+        name: "price",
+        description: "Price of the item",
+        required: false,
+      },
+      {
+        type: 3,
+        name: "description",
+        description: "Description of the item",
+        required: false,
+      },
+      {
+        type: 5,
+        name: "usable",
+        description: "Whether it can be /use'd",
+        required: false,
+      },
+      {
+        type: 8,
+        name: "required_role",
+        description: "Roles that are required to buy this item.",
+        required: false,
+      },
+    ],
+  },
 ];
 
 (new REST().setToken(process.env.DISCORD_TOKEN)).put(Routes.applicationCommands(process.env.CLIENT_ID), { body: commands }).then(() => console.log("Finished reloading slash commands"));

util.ts

@@ -1,6 +1,10 @@
+import type { ChatInputCommandInteraction, GuildMember } from "discord.js";
 import type { UpdateResult } from "mongodb";
 
 export function did_update(result: UpdateResult): boolean {
   return result.modifiedCount > 0;
 }
 
+export function has_role(interaction: ChatInputCommandInteraction, role_id: string): boolean {
+  return (interaction.member as GuildMember).roles.cache.some((r) => r.id === role_id);
+}