138 lines
4.3 KiB
Rust
138 lines
4.3 KiB
Rust
use chrono::NaiveDateTime;
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use diesel::{self, PgConnection, RunQueryDsl, QueryDsl, ExpressionMethods, BelongingToDsl};
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use diesel::dsl::any;
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use serde_json;
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use BASE_URL;
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use activity_pub::{PUBLIC_VISIBILTY, ap_url};
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use activity_pub::actor::Actor;
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use activity_pub::object::Object;
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use models::blogs::Blog;
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use models::users::User;
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use models::post_authors::PostAuthor;
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use schema::posts;
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#[derive(Queryable, Identifiable)]
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pub struct Post {
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pub id: i32,
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pub blog_id: i32,
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pub slug: String,
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pub title: String,
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pub content: String,
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pub published: bool,
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pub license: String,
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pub creation_date: NaiveDateTime
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}
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#[derive(Insertable)]
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#[table_name = "posts"]
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pub struct NewPost {
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pub blog_id: i32,
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pub slug: String,
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pub title: String,
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pub content: String,
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pub published: bool,
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pub license: String
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}
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impl Post {
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pub fn insert (conn: &PgConnection, new: NewPost) -> Post {
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diesel::insert_into(posts::table)
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.values(new)
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.get_result(conn)
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.expect("Error saving new post")
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}
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pub fn get(conn: &PgConnection, id: i32) -> Option<Post> {
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posts::table.filter(posts::id.eq(id))
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.limit(1)
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.load::<Post>(conn)
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.expect("Error loading post by id")
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.into_iter().nth(0)
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}
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pub fn find_by_slug(conn: &PgConnection, slug: String) -> Option<Post> {
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posts::table.filter(posts::slug.eq(slug))
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.limit(1)
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.load::<Post>(conn)
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.expect("Error loading post by slug")
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.into_iter().nth(0)
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}
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pub fn get_authors(&self, conn: &PgConnection) -> Vec<User> {
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use schema::users;
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use schema::post_authors;
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let author_list = PostAuthor::belonging_to(self).select(post_authors::author_id);
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users::table.filter(users::id.eq(any(author_list))).load::<User>(conn).unwrap()
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}
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pub fn get_blog(&self, conn: &PgConnection) -> Blog {
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use schema::blogs;
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blogs::table.filter(blogs::id.eq(self.blog_id))
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.limit(1)
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.load::<Blog>(conn)
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.expect("Couldn't load blog associted to post")
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.into_iter().nth(0).unwrap()
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}
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}
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impl Object for Post {
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fn compute_id(&self, conn: &PgConnection) -> String {
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ap_url(format!("{}/{}/{}", BASE_URL.as_str(), self.get_blog(conn).actor_id, self.slug))
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}
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fn serialize(&self, conn: &PgConnection) -> serde_json::Value {
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json!({
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"type": "Article",
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"attributedTo": self.get_authors(conn).into_iter().map(|a| a.compute_id(conn)).collect::<Vec<String>>(),
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"content": self.content,
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// TODO: "image": "image",
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// TODO: "preview": "preview",
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// TODO: "published": "published",
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// TODO: "replies": "replies",
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// TODO: "summary": "summary",
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"tag": [],
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// TODO: "updated": "updated",
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// TODO: "url": "url",
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"to": [ PUBLIC_VISIBILTY ]
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})
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}
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}
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/// ActivityPub Object to make it possible to view posts in Mastodon/Pleroma
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/// and interact with them from there.
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pub struct PostNote {
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pub post: Post
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}
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impl Object for PostNote {
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fn compute_id(&self, conn: &PgConnection) -> String {
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ap_url(format!("{}/{}/{}/note", BASE_URL.as_str(), self.post.get_blog(conn).actor_id, self.post.slug))
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}
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fn serialize(&self, conn: &PgConnection) -> serde_json::Value {
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let followers = self.post.get_authors(conn).into_iter().map(|a| a.get_followers(conn)).collect::<Vec<Vec<User>>>();
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let mut to = followers.into_iter().fold(vec![], |mut acc, f| {
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for x in f {
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acc.push(x.ap_url);
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}
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acc
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});
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to.push(PUBLIC_VISIBILTY.to_string());
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json!({
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"type": "Note",
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"attributedTo": self.post.get_authors(conn).into_iter().map(|a| a.compute_id(conn)).collect::<Vec<String>>(),
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"content": format!("<b>{}</b> in {}", self.post.title, self.post.get_blog(conn).title),
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// TODO: "image": "image",
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// TODO: "preview": "preview",
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// TODO: "published": "published",
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// TODO: "replies": "replies",
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// TODO: "summary": "summary",
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"tag": [],
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// TODO: "updated": "updated",
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// TODO: "url": "url",
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"to": to
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})
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}
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}
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