add /nextvote command

package.json

@@ -25,6 +25,7 @@
   "license": "ISC",
   "dependencies": {
     "@types/node-cron": "^3.0.11",
+    "cron-schedule": "^5.0.4",
     "dayjs": "^1.11.13",
     "discord.js": "^14.16.2",
     "dotenv": "^16.4.5",

src/db/index.ts

@@ -31,7 +31,7 @@ export async function runMigrations() {
     console.log("✅ Migrations complete!");
   } else {
     console.log(
-      "🏃‍♂️ Skipping migrations in dev mode - run manually with 'pnpm db:push'",
+      "🏃 Skipping migrations in dev mode - run manually with 'pnpm db:push'",
     );
   }
 }

src/discord/commands/deleted.ts

@@ -7,6 +7,8 @@ import { db } from "../../db";
 import { itemsToDelete } from "../../db/schema/voting";
 import { discordClient } from "../client";
 
+dayjs.extend(relativeTime);
+
 discordClient.once("ready", () => {
   discordClient.application?.commands.create({
     name: "listdeleted",
@@ -89,4 +91,3 @@ async function handleListToBeDeleted(interaction: CommandInteraction) {
     ephemeral: true,
   });
 }
-dayjs.extend(relativeTime);

src/discord/commands/index.ts

@@ -1,5 +1,6 @@
 import "./config";
 import "./deleted";
 import "./help";
+import "./next-vote";
 import "./subscribe";
 import "./whitelist";

src/discord/commands/next-vote.test.ts

@@ -0,0 +1,15 @@
+import { parseCronExpression } from "cron-schedule";
+import dayjs from "dayjs";
+import relativeTime from "dayjs/plugin/relativeTime";
+import { describe, expect, it } from "vitest";
+
+dayjs.extend(relativeTime);
+
+describe("next vote", () => {
+  it("should calculate the correct time until the next vote", () => {
+    const cron = parseCronExpression("30 * * * *");
+    const nextVote = cron.getNextDate(new Date("2024-10-11T12:00:00Z"));
+    const timeLeft = dayjs(nextVote).fromNow();
+    expect(timeLeft).toBe("in 5 hours");
+  });
+});

src/discord/commands/next-vote.ts

@@ -0,0 +1,38 @@
+import { parseCronExpression } from "cron-schedule";
+import dayjs from "dayjs";
+import relativeTime from "dayjs/plugin/relativeTime";
+import { ApplicationCommandType, CommandInteraction } from "discord.js";
+
+import { config } from "../../config";
+import { discordClient } from "../client";
+
+dayjs.extend(relativeTime);
+
+discordClient.once("ready", () => {
+  discordClient.application?.commands.create({
+    name: "nextvote",
+    description: "Show the time until the next vote",
+    type: ApplicationCommandType.ChatInput,
+  });
+  console.log("✅ Next vote command registered");
+});
+
+discordClient.on("interactionCreate", async (interaction) => {
+  if (!interaction.isCommand()) return;
+
+  const { commandName } = interaction;
+
+  if (commandName === "nextvote") {
+    await handleNextVote(interaction);
+  }
+});
+
+async function handleNextVote(interaction: CommandInteraction) {
+  const cron = parseCronExpression(config.cron.findMedia);
+  const nextVote = cron.getNextDate();
+  const timeLeft = dayjs(nextVote).fromNow();
+  await interaction.reply({
+    content: `The next vote is ${timeLeft} (${nextVote.toISOString()})`,
+    ephemeral: true,
+  });
+}

src/envSchema.test.ts

@@ -23,6 +23,7 @@ describe("envSchema", () => {
     const res = envSchema.parse({
       DISCORD_BOT_TOKEN: "process.env.DISCORD_BOT_TOKEN",
       CONFIG_PATH: "process.env.CONFIG_PATH",
+      DATABASE_URL: "postgresql://postgres:postgres@db:5432/postgres",
     });
     expect(res.NODE_ENV).toBe("development");
     expect(res.DRY_RUN).toBe(false);

vitest.config.ts

@@ -13,6 +13,7 @@ export default defineConfig({
     reporters: ["default", "html"],
     env: {
       NODE_ENV: "test",
+      DATABASE_URL: "postgresql://postgres:postgres@db:5432/postgres",
     },
   },
 });