feat: auction command

packages/bot/src/commands/auction.ts

@@ -0,0 +1,126 @@
+import {
+  BlitzTankClass,
+  Region,
+  regionToRegionSubdomain,
+} from '@blitzkit/core';
+import { tankDefinitions } from '../core/blitzkit/nonBlockingPromises';
+import { createLocalizedCommand } from '../core/discord/createLocalizedCommand';
+import { translator } from '../core/localization/translator';
+import { CommandRegistry } from '../events/interactionCreate';
+
+interface Auction {
+  count: number;
+  has_next: boolean;
+  results: Result[];
+}
+
+type Result =
+  | {
+      id?: number;
+      type: 'vehicle';
+      countable?: boolean;
+      entity?: Entity;
+      initial_count?: number;
+      current_count?: number;
+      saleable?: boolean;
+      available_from?: Date;
+      available_before?: Date;
+      price?: Price;
+      next_price?: Price | null;
+      available: true;
+      display?: boolean;
+      next_price_datetime?: Date | null;
+      next_price_timestamp?: number | null;
+    }
+  | {
+      available: false;
+      type: 'vehicle';
+    };
+
+interface Entity {
+  id: number;
+  name: string;
+  nation: string;
+  subnation: string;
+  use_subnation_flag: boolean;
+  type_slug: BlitzTankClass;
+  level: number;
+  roman_level: string;
+  user_string: string;
+  image_url: string;
+  preview_image_url: string;
+  is_premium: boolean;
+  is_collectible: boolean;
+}
+
+interface Price {
+  currency: Currency;
+  value: number;
+}
+
+interface Currency {
+  name: 'gold';
+  count: number;
+  title: 'Gold';
+  image_url: string;
+  sizes: unknown;
+  type: 'currency';
+}
+
+export const auctionCommand = new Promise<CommandRegistry>((resolve) => {
+  resolve({
+    command: createLocalizedCommand('auction', [
+      { subcommand: 'available' },
+      { subcommand: 'setup' },
+    ]),
+
+    async handler(interaction) {
+      const awaitedTankDefinitions = await tankDefinitions;
+      const region: Region = 'com';
+      const pageSize = 80;
+      const saleable = true;
+      const data = await fetch(
+        `https://${regionToRegionSubdomain(
+          region,
+        )}.wotblitz.com/en/api/events/items/auction/?page_size=${
+          pageSize
+        }&type[]=vehicle&saleable=${saleable}`,
+      ).then((response) => response.json() as Promise<Auction>);
+      const seeableTanks = data.results.filter((result) => result.available);
+      const { t, translate } = translator(interaction.locale);
+
+      const title = `# ${t`bot.commands.auction.subcommands.available.body.title`}`;
+      const subtitle = `-# ${translate(
+        'bot.commands.auction.subcommands.available.body.available',
+        [`${seeableTanks.length} / ${data.results.length}`],
+      )}`;
+      const body = seeableTanks
+        .map((data, index) => {
+          const tank = awaitedTankDefinitions.tanks[data.entity!.id];
+
+          if (!tank) return '';
+
+          const name = `[${tank.name}](<https://blitzkit.app/tools/tankopedia/${
+            tank.id
+          }>)`;
+          const next = translate(
+            'bot.commands.auction.subcommands.available.body.next',
+            [
+              `<:gold:1317173197082333244> ${data.next_price!.value.toLocaleString(
+                interaction.locale,
+              )}`,
+            ],
+          );
+
+          return `${
+            index + 1
+          }. ${name} <:gold:1317173197082333244> ${data.price!.value.toLocaleString(
+            interaction.locale,
+          )}\n-# ${next}`;
+        })
+        .join('\n\n');
+
+      return `${title}\n${subtitle}\n\n${body}`;
+    },
+  });
+});