items part 1

commands/items.ts

@@ -0,0 +1,89 @@
+import type { ChatInputCommandInteraction } from "discord.js";
+import { ActionRowBuilder, ButtonBuilder, ButtonStyle, EmbedBuilder } from "discord.js";
+
+import type { CommandData } from "./index";
+import type { Items, User } from "../db";
+import { get_user } from "../db";
+import { BotError } from "./common/error";
+
+async function run(interaction: ChatInputCommandInteraction, user: User) {
+  function gen_items_embed(items_target, items: Items, page: number, pages: number) {
+    let items_embed = new EmbedBuilder();
+    items_embed.setTitle(`${items_target.tag} Items (Page ${page}/${pages})`);
+    if (Object.keys(items).length === 0) {
+      items_embed.setDescription("No items");
+    } else {
+      items_embed.addFields(
+        Object.keys(items)
+          .slice((page - 1) * 10, page * 10)
+          .map(
+            (item_name) =>
+              ({
+                name: item_name,
+                value: String(items[item_name]),
+              })
+          )
+      );
+    }
+    return items_embed;
+  }
+  function gen_action_row(page: number, pages: number) {
+    let action_row = new ActionRowBuilder<ButtonBuilder>();
+    let action_prev = new ButtonBuilder()
+      .setCustomId(String(page - 1))
+      .setLabel("Prev")
+      .setEmoji("⬅️")
+      .setStyle(ButtonStyle.Primary)
+      .setDisabled(page - 1 === 0);
+    let action_next = new ButtonBuilder()
+      .setCustomId(String(page + 1))
+      .setLabel("Next")
+      .setEmoji("➡️")
+      .setStyle(ButtonStyle.Primary)
+      .setDisabled(page + 1 > pages);
+    action_row.addComponents(action_prev, action_next);
+    return action_row;
+  }
+  const options = interaction.options;
+  const target = (await options.get("target"))?.user;
+  let items_target = target ?? interaction.user;
+  let items_user = target ? await get_user(target.id) : user;
+  if (!items_user) throw new BotError("Target is not registered"); //must be target
+  //filter out items which the user owns 0 of, but is in their items record thing
+  const items: Items = Object.keys(items_user.items).filter((item) => items_user.items[item] > 0).reduce((accum, item) => {
+    accum[item] = items_user.items[item];
+    return accum;
+  }, {});
+  //list items in items embed, if too many, make sure pagination buttons work
+  const pages: number = Math.ceil(Object.keys(items).length / 10) || 1; //min of 1
+  let page = 1;
+  const dresp = await interaction.editReply({
+    embeds: [ gen_items_embed(items_target, items, page, pages) ],
+    components: [ gen_action_row(page, pages) ],
+  });
+  while (true) {
+    try {
+      let dresp_bin = await dresp.awaitMessageComponent({ filter: (bin) => bin.user.id === interaction.user.id, time: 60000 }); //bin = button interaction
+      page = Number(dresp_bin.customId);
+      await dresp_bin.update({
+        embeds: [ gen_items_embed(items_target, items, page, pages) ],
+        components: [ gen_action_row(page, pages) ],
+      });
+    } catch (_) {
+      //errors when people stop pressing the button
+      return;
+    }
+  }
+}
+
+const data: CommandData = {
+  name: "items",
+  description: "See you or someone else's items",
+  registered_only: true,
+  ephemeral: false,
+  admin_only: false,
+  run,
+};
+
+export default data;
+