75 lines
2.1 KiB
TypeScript
75 lines
2.1 KiB
TypeScript
import express, { Router, Request, Response } from "express";
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import { Page, PostMetadata } from "../metadata";
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import { Article } from "./activity";
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import { Database } from "sqlite3";
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const domain = process.env.DOMAIN;
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export async function setup(posts: Page[], db: Database) {
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for (const post of posts) {
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const postMeta = <PostMetadata>post.metadata;
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const articleObject = {
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"@context": [
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"https://www.w3.org/ns/activitystreams",
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],
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"type": "Article",
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"id": `https://${domain}${post.metadata.permalink}`,
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"published": (<Date>postMeta.date).toISOString(),
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"inReplyTo": null,
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"url": `https://${domain}${postMeta.permalink}`,
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"attributedTo": `https://${domain}/ap/actor`,
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"to": [
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"https://www.w3.org/ns/activitystreams#Public"
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],
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"cc": [
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`https://${domain}/ap/actor/followers`
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],
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"name": postMeta.title,
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"content": post.text
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};
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db.run("INSERT OR IGNORE INTO articles(id, article_doc, has_federated) VALUES($id, $article_doc, $has_federated)", {
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$id: postMeta.permalink,
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$article_doc: JSON.stringify(articleObject),
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$has_federated: 0
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}, (err) => {
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if (err) console.log(`Encountered error inserting article ${postMeta.permalink}`, err);
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});
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}
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}
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export async function toFederate(db: Database): Promise<[string, Article][]> {
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return new Promise((resolve, reject) => {
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db.all("SELECT id, article_doc FROM articles WHERE has_federated = $has_federated", {
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$has_federated: 0
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}, (err, rows) => {
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if (err) reject(err);
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else {
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let result: [string, Article][] = [];
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for (const row of rows) {
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result.push([row.id, JSON.parse(row.article_doc)]);
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}
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resolve(result);
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}
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});
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});
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}
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export function route(router: Router) {
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router.use("/:category/:year/:slug/", (req, res, next) => {
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if (req.accepts("text/html")) {
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next();
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} else {
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const db = <Database>req.app.get("db")
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db.get("SELECT article_doc FROM articles WHERE id = $id", {
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$id: `/${req.params.category}/${req.params.year}/${req.params.slug}/`
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}, (err, result) => {
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if (err) {
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res.status(500).end(err);
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return;
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}
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res.type("application/json");
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res.end(result.article_doc);
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});
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}
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});
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} |