shadowfacts.net/lib/activitypub/articles.ts

110 lines
3.7 KiB
TypeScript

import express, { Router, Request, Response } from "express";
import { Page, PostMetadata } from "../metadata";
import { ArticleObject } from "./activity";
import Article from "../entity/Article";
import { getConnection } from "typeorm";
import uuidv4 from "uuid/v4";
const domain = process.env.DOMAIN;
export async function setup(posts: Page[]) {
const repository = getConnection().getRepository(Article);
for (const post of posts) {
const postMeta = <PostMetadata>post.metadata;
if (await repository.findOne(postMeta.permalink)) {
continue;
}
const articleObject = {
"@context": [
"https://www.w3.org/ns/activitystreams",
],
"type": "Article",
"id": `https://${domain}${post.metadata.permalink}`,
"published": (<Date>postMeta.date).toISOString(),
"inReplyTo": null,
"conversation": `https://${domain}/ap/conversation/${uuidv4()}`,
"url": `https://${domain}${postMeta.permalink}`,
"attributedTo": `https://${domain}/ap/actor`,
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
`https://${domain}/ap/actor/followers`
],
"name": postMeta.title,
"content": post.text
};
const article = new Article();
article.id = postMeta.permalink;
article.articleObject = articleObject;
article.conversation = articleObject.conversation;
article.hasFederated = false;
await getConnection().manager.save(article);
//db.run("INSERT OR IGNORE INTO articles(id, article_doc, conversation, has_federated) VALUES($id, $article_doc, $conversation, $has_federated)", {
//$id: postMeta.permalink,
//$article_doc: JSON.stringify(articleObject),
//$conversation: articleObject.conversation,
//$has_federated: 0
//}, (err) => {
//if (err) console.log(`Encountered error inserting article ${postMeta.permalink}`, err);
//});
}
}
export async function toFederate(): Promise<[string, ArticleObject][]> {
return new Promise(async (resolve, reject) => {
const articles: Article[] = await getConnection().createQueryBuilder().select("article").from(Article, "article").where("article.hasFederated = :hasFederated", { hasFederated: false }).getMany();
let result: [string, ArticleObject][] = [];
articles.forEach(it => {
result.push([it.id, it.articleObject]);
});
resolve(result);
//db.all("SELECT id, article_doc FROM articles WHERE has_federated = $has_federated", {
//$has_federated: 0
//}, (err, rows) => {
//if (err) reject(err);
//else {
//let result: [string, Article][] = [];
//for (const row of rows) {
//result.push([row.id, JSON.parse(row.article_doc)]);
//}
//resolve(result);
//}
//});
});
}
export function route(router: Router) {
router.use("/:category/:year/:slug/", async (req, res, next) => {
const best = req.accepts(["text/html", "application/activity+json"]);
console.log(best);
if (best === "text/html") {
next();
} else if (best === "application/activity+json") {
const id = `/${req.params.category}/${req.params.year}/${req.params.slug}/`;
const repository = getConnection().getRepository(Article);
try {
const article = await repository.findOne(id);
res.type("application/activity+json").json(article.articleObject).end();
} catch (err) {
res.status(500).end(err);
}
//const db = <Database>req.app.get("db")
//db.get("SELECT article_doc FROM articles WHERE id = $id", {
//$id: `/${req.params.category}/${req.params.year}/${req.params.slug}/`
//}, (err, result) => {
//if (err) {
//res.status(500).end(err);
//return;
//}
//res.type("application/activity+json");
//res.end(result.article_doc);
//});
} else {
res.status(415).end("No acceptable content-type given. text/html or application/activity+json are supported");
}
});
}