substr/handlers/user-profile.ts

import { Context } from "@oak/oak";
import { lookupPubkeyByUsername } from "../directory.ts";
import { fetchArticlesByAuthor, fetchProfileEvent } from "../nostr.ts";
import Profile from "../models/profile.ts";
import { profilePageHtml } from "../html.ts";
import { notFoundHandler } from "../handlers/errors.ts";
import { generateOgProfileImage } from "../magick.ts";

const userProfileHandler = async function (ctx: Context) {
  const username = ctx.state.path.replace(/^(@|~)/, "");
  const pubkey = await lookupPubkeyByUsername(username);

  if (!pubkey) {
    notFoundHandler(ctx);
    return;
  }

  const profileEvent = await fetchProfileEvent(pubkey);

  if (profileEvent) {
    const profile = new Profile(profileEvent, username);
    const articles = await fetchArticlesByAuthor(pubkey, 210);
    const html = await profilePageHtml(profile, articles);
    generateOgProfileImage(profile);

    ctx.response.body = html;
  } else {
    notFoundHandler(ctx);
  }
};

export default userProfileHandler;