feat: link command basic functionaility

src/core/discord/resolvePlayerFromCommand.ts

@@ -1,8 +1,6 @@
 import { CacheType, ChatInputCommandInteraction } from 'discord.js';
 import { Region } from '../../constants/regions';
-import listPlayers, {
-  usernamePatternWithoutPosition,
-} from '../blitz/listPlayers';
+import { getBlitzFromDiscord } from '../cockroackdb/discordBlitz';
 import throwError from '../node/throwError';
 
 export const serverAndIdPattern = /(com|eu|asia)\/[0-9]+/;
@@ -15,38 +13,14 @@ export interface ResolvedPlayer {
 export default async function resolvePlayerFromCommand(
   interaction: ChatInputCommandInteraction<CacheType>,
 ) {
-  const commandUsername = interaction.options.getString('username');
-  const displayName = interaction.guild?.members.cache
-    .get(interaction.user.id)
-    ?.displayName.match(usernamePatternWithoutPosition)?.[0];
-  const username = commandUsername ?? displayName;
+  const account = await getBlitzFromDiscord(parseInt(interaction.user.id));
 
-  if (username === undefined) {
+  if (account) {
+    return { region: account.region, id: account.blitz };
+  } else {
     throw throwError(
-      'Username could not be inferred',
-      "You didn't provide me a username in the command nor was I able to infer your Blitz username from your Discord nickname. Try providing a username manually in the command or using the `/verify` command to set your Discord nickname to your Blitz username.",
+      "You're not linked",
+      'Use the `/link` command to link your Discord and Blitz accounts.',
     );
   }
-
-  if (serverAndIdPattern.test(username)) {
-    const [server, accountId] = username.split('/');
-    return {
-      region: server as Region,
-      id: Number(accountId),
-    } satisfies ResolvedPlayer;
-  } else {
-    const accounts = await listPlayers(username);
-
-    if (accounts[0]) {
-      return {
-        region: accounts[0].region,
-        id: accounts[0].account_id,
-      } satisfies ResolvedPlayer;
-    } else {
-      throw throwError(
-        'Could not find user',
-        `I couldn't find user \`${username}\`. Try providing a valid username manually or using the \`/verify\` command to set your Discord nickname to your Blitz username.`,
-      );
-    }
-  }
 }