get-schow-schedules.js

import { inspect } from "util";
import core from "@actions/core";
import { Octokit } from "@octokit/core";
import { paginateRest } from "@octokit/plugin-paginate-rest";
import dayjs from "dayjs";
import customParseFormat from "dayjs/plugin/customParseFormat.js";
import utc from "dayjs/plugin/utc.js";
import timezone from "dayjs/plugin/timezone.js";

dayjs.extend(customParseFormat);
dayjs.extend(utc);
dayjs.extend(timezone);

if (process.env.GITHUB_ACTIONS && process.env.NODE_ENV !== "test") {
  // Create Octokit constructor with .paginate API and custom user agent
  const MyOctokit = Octokit.plugin(paginateRest).defaults({
    userAgent: "gr2m-helpdesk",
  });
  const octokit = new MyOctokit({
    auth: process.env.GITHUB_TOKEN,
  });
  run(process.env, octokit, core);
}

/**
 * @param {object} env
 * @param {Octokit} octokit
 * @param {core} core
 */
export async function run(env, octokit, core) {
  // load open issues with the `show` label
  const showIssues = await octokit.paginate(
    "GET /repos/{owner}/{repo}/issues",
    {
      owner: "gr2m",
      repo: "helpdesk",
      labels: "show",
      state: "open",
      per_page: 100,
    }
  );

  const upcomingShowsCrons = showIssues
    .map((issue) => {
      const dayString = issue.body
        .match(/📅.*/)
        .pop()
        .replace(/📅\s*/, "")
        .replace(/^\w+, /, "")
        .trim();
      const timeString = issue.body
        .match(/🕐[^(\r\n]+/)
        .pop()
        .replace(/🕐\s*/, "")
        .replace("Pacific Time", "")
        .trim();

      // workaround: cannot parse "June 3, 2021 1:00pm" but can parse "June 3, 2021 12:00pm"
      // workaround: cannot set default timezone, so parse the date/time string first, then use `.tz()` with the expected date/time format
      let timeStringWithoutAmPm = timeString.replace(/(am|pm)\b/, "");

      const tmp = dayjs(
        [dayString, timeStringWithoutAmPm].join(" "),
        // "MMMM D, YYYY H:mma", // see workaround
        "MMMM D, YYYY H:mm",
        true
      );

      let hours = parseInt(timeStringWithoutAmPm, 10);

      if (hours < 9) {
        timeStringWithoutAmPm = timeStringWithoutAmPm.replace(
          hours,
          hours + 12
        );
      }

      let time = dayjs.tz(
        tmp.format("YYYY-MM-DD HH:mm"),
        "America/Los_Angeles"
      );

      // see workaround above. Parsing am/pm is not working
      if (time.get("hour") < 8) {
        time = time.add(12, "hours");
      }

      if (time.toISOString() < dayjs().toISOString())
        // ignore open issues for shows that are in the past
        return;

      return {
        start: time
          .subtract(time.utcOffset() + 3, "minutes")
          .format("m H D M [*]"),
        announcement: time
          .subtract(time.utcOffset() + 33, "minutes")
          .format("m H D M [*]"),
      };
    })
    .filter(Boolean);

  core.info(
    `CRON schedule for upcoming shows is: ${inspect(upcomingShowsCrons)}`
  );
  core.setOutput(
    "schedule_start",
    upcomingShowsCrons.map((schedule) => schedule.start).join("\n")
  );
  core.setOutput(
    "schedule_announcement",
    upcomingShowsCrons.map((schedule) => schedule.announcement).join("\n")
  );
}