mod.ts

import { rest, sendMessage } from "https://deno.land/x/discordeno@12.0.1/mod.ts";
import { json, serve } from "https://deno.land/x/sift@0.3.5/mod.ts";
import { NaticoEmbed } from "https://deno.land/x/natico@2.3.0-rc.1/src/util/Embed.ts";
import { GithubHooks } from "./types.ts";

rest.token = `Bot ${Deno.env.get("TOKEN")!}`;

const NAME = Deno.env.get("NAME") ?? "Aethor";

const ICON = Deno.env.get("ICON") ?? "https://cdn.discordapp.com/avatars/870383692403593226/910b4e1f4e19d745dd080930044f8afc.png?size=2048";

const channels = Deno.env.get("CHANNELS")
  ? Deno.env
      .get("CHANNELS")!
      .split("|")
      ?.map((x) => BigInt(x))
  : [818158216156413973n, 871713062120484885n];

const parseJson = (text: string) => {
  try {
    return JSON.parse(text);
  } catch (_) {
    return undefined;
  }
};

const templateEmbed = () => new NaticoEmbed().setFooter(NAME, ICON).setTimestamp();

const makeIssueEmbed = (c: GithubHooks) => {
  const embed = templateEmbed()
    .setAuthor(c.sender.login, c.sender.avatar_url, c.sender.html_url)
    .setTitle(`[${c.repository.full_name}] Issue opened #${c.issue?.number} ${c.issue?.title}`, c.issue?.html_url)
    .setDescription(`${c.issue?.body}`);
  if (c.comment) {
    embed.setTitle(`[${c.repository.full_name}] New comment on issue #${c.issue?.number}: ${c.issue?.title}`, c.issue?.html_url).setDescription(c.comment.body);
  }
  if (c.action == "closed") {
    embed.setTitle(`[${c.repository.full_name}] Issue closed #${c.issue?.number}: ${c.issue?.title}`, c.issue?.html_url);
    embed.description = "";
  }
  if (c.action == "reopened") {
    embed.setTitle(`[${c.repository.full_name}] Issue reopened #${c.issue?.number}: ${c.issue?.title}`, c.issue?.html_url);
    embed.description = "";
  }
  return embed;
};

const makeCommitEmbed = (c: GithubHooks) => {
  const embed = templateEmbed()
    .setTitle(`[${c.repository.full_name}] ${c.commits?.length || 1} new commit`, c.compare)
    .setDescription(`${c.commits?.map((x) => `[\`${x.id?.slice(0, 7)}\`](${x.url}) ${x.message} - ${x.author.name}`)?.join("\n")}`)
    .setAuthor(c.sender.login, c.sender.avatar_url, c.sender.html_url);
  return embed;
};

const makeForkEmbed = (c: GithubHooks) => {
  const embed = templateEmbed()
    .setTitle(`[${c.repository.full_name}] Fork created: ${c.forkee?.full_name}`, c.forkee?.html_url)
    .setAuthor(c.forkee?.owner?.login as any, c.forkee?.owner.avatar_url, c.forkee?.owner.html_url);
  return embed;
};

const makeStarEmbed = (c: GithubHooks) => {
  const embed = templateEmbed()
    .setTitle(`[${c.repository.full_name}] ${c.starred_at == null ? "Star removed" : "New star added"}`, c.repository.html_url)
    .setAuthor(c.sender?.login, c.sender?.avatar_url, c.sender?.html_url)
    .setFooter(`${NAME}, ${c.repository.stargazers_count == 1 ? "1 Star" : `${c.repository.stargazers_count} Stars`}`, ICON);
  return embed;
};

const makeReleaseEmbed = (c: any) => {
  const embed = templateEmbed()
    .setTitle(`[${c.repository.full_name}] New release published: ${c.release?.name}`, c.release?.html_url)
    .setAuthor(c.sender.login, c.sender.avatar_url, c.sender.html_url);
  return embed;
};

//TODO: ADD RELEASE TYPES
const makeEmbed = (c: any) => {
  return c.issue
    ? makeIssueEmbed(c)
    : c.commits
    ? makeCommitEmbed(c)
    : c.forkee
    ? makeForkEmbed(c)
    : c.release
    ? makeReleaseEmbed(c)
    : c.starred_at
    ? makeStarEmbed(c)
    : undefined;
};

serve({
  "/": async (req: Request) => {
    if (Deno.env.get("WEBSITE_AUTH"))
      if (req.headers.get("authorization") !== Deno.env.get("WEBSITE_AUTH"))
        return json({
          success: false,
          message: "Theres nothing here",
        });

    const js: GithubHooks = parseJson(await req.text());
    if (!js) {
      return json({
        success: false,
        message: "Theres nothing here",
      });
    }

    try {
      const em = makeEmbed(js);
      if (em) {
        for (const channel of channels) {
          await sendMessage(channel, {
            embeds: [em],
          });
        }
      }
      return json({
        success: "true",
      });
    } catch (e) {
      console.error(e);
      return json({
        success: "false",
        error: `${e}`,
      });
    }
  },
});