feat: re-added manual username entry

src/core/discord/resolvePlayerFromCommand.ts

@@ -1,5 +1,7 @@
 import { CacheType, ChatInputCommandInteraction } from 'discord.js';
+import markdownEscape from 'markdown-escape';
 import { Region } from '../../constants/regions';
+import listPlayers from '../blitz/listPlayers';
 import { getBlitzFromDiscord } from '../cockroackdb/discordBlitz';
 import throwError from '../node/throwError';
 
@@ -13,14 +15,43 @@ export interface ResolvedPlayer {
 export default async function resolvePlayerFromCommand(
   interaction: ChatInputCommandInteraction<CacheType>,
 ) {
-  const account = await getBlitzFromDiscord(parseInt(interaction.user.id));
+  const commandUsername = interaction.options.getString('username');
 
-  if (account) {
-    return { region: account.region, id: account.blitz };
+  if (commandUsername) {
+    if (serverAndIdPattern.test(commandUsername)) {
+      const [server, accountId] = commandUsername.split('/');
+
+      return {
+        region: server as Region,
+        id: Number(accountId),
+      } satisfies ResolvedPlayer;
+    } else {
+      const accounts = await listPlayers(commandUsername);
+
+      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 "${markdownEscape(
+            commandUsername,
+          )}". Try picking an user from the search result, typing in a valid username, or using the \`/link\` command.`,
+        );
+      }
+    }
   } else {
-    throw throwError(
-      "You're not linked",
-      'Use the `/link` command to link your Discord and Blitz accounts.',
-    );
+    const account = await getBlitzFromDiscord(parseInt(interaction.user.id));
+
+    if (account) {
+      return { region: account.region, id: account.blitz };
+    } else {
+      throw throwError(
+        "You're not linked",
+        'Use the `/link` command to link your Discord and Blitz accounts.',
+      );
+    }
   }
 }