Add daily announcement for birthdays

src/commands/misc/daily.ts

@@ -0,0 +1,68 @@
+import { Player } from "@prisma/client";
+import { heading, userMention } from "discord.js";
+
+import { prisma } from "../../clients/database.js";
+import { createEmbed, discordClient } from "../../clients/discord.js";
+import { kolClient, resolveKoLImage } from "../../clients/kol.js";
+import { config } from "../../config.js";
+import { englishJoin, notNull } from "../../utils.js";
+
+async function createBirthdayEmbed() {
+  const birthdays = await prisma.$queryRaw<
+    Player[]
+  >`SELECT * FROM "Player" WHERE "discordId" NOT NULL AND EXTRACT(MONTH FROM "accountCreationDate") = EXTRACT(MONTH FROM CURRENT_DATE) AND EXTRACT(DAY FROM "accountCreationDate") = EXTRACT(DAY FROM CURRENT_DATE)`;
+
+  if (birthdays.length === 0) return null;
+
+  const currentYear = new Date().getFullYear();
+
+  const byAge = birthdays.reduce(
+    (acc, p) => {
+      if (!p.accountCreationDate) return acc;
+      const age = currentYear - p.accountCreationDate.getFullYear();
+      return { ...acc, [age]: [...(acc[age] || []), p] };
+    },
+    {} as Record<number, Player[]>,
+  );
+
+  const content = (Object.entries(byAge) as [string, Player[]][])
+    .toSorted((a, b) => Number(a[0]) - Number(b[0]))
+    .map(([age, players]) => {
+      const playerTags = players.map((p) => userMention(p.discordId!));
+      return `${age} year${age === "1" ? "" : "s"} old: ${englishJoin(
+        playerTags,
+      )}${age === "11" ? " (ridiculous; not even funny)" : ""}`;
+    })
+    .join("\n");
+
+  return createEmbed()
+    .setTitle("In-Game Birthdays")
+    .setImage(resolveKoLImage("/itemimages/cake3.gif"))
+    .setDescription(content);
+}
+
+async function onRollover() {
+  const guild = await discordClient.guilds.fetch(config.GUILD_ID);
+  const announcementChannel = guild?.channels.cache.get(
+    config.ANNOUNCEMENTS_CHANNEL_ID,
+  );
+
+  if (!announcementChannel?.isTextBased()) {
+    await discordClient.alert("No valid announcement channel");
+    return;
+  }
+
+  const embeds = [await createBirthdayEmbed()].filter(notNull);
+
+  if (embeds.length === 0) return;
+
+  await announcementChannel.send({
+    content: heading("Daily Announcements"),
+    embeds,
+    allowedMentions: { users: [] },
+  });
+}
+
+export async function init() {
+  kolClient.on("rollover", onRollover);
+}

src/utils.ts

@@ -137,3 +137,9 @@ export function formatPlayer(player: Player | undefined, backupId?: number) {
 export function ensureArray<T>(v: T | T[]) {
   return Array.isArray(v) ? v : [v];
 }
+
+export function englishJoin<T>(v: T[]) {
+  return `${v.length > 1 ? `${v.slice(0, -1).join(", ")} and ` : ""}${v.slice(
+    -1,
+  )}`;
+}

tsconfig.json

@@ -5,7 +5,7 @@
     "declaration": false,
     "experimentalDecorators": true,
     "forceConsistentCasingInFileNames": true,
-    "lib": ["ES2022"],
+    "lib": ["ES2023"],
     "module": "NodeNext",
     "noEmit": true,
     "noFallthroughCasesInSwitch": true,