Plume/plume-models/src/posts.rs
2022-01-03 02:21:34 +09:00

1042 lines
34 KiB
Rust

use crate::{
ap_url, blogs::Blog, db_conn::DbConn, instance::Instance, medias::Media, mentions::Mention,
post_authors::*, safe_string::SafeString, schema::posts, tags::*, timeline::*, users::User,
Connection, Error, PostEvent::*, Result, CONFIG, POST_CHAN,
};
use activitypub::{
activity::{Create, Delete, Update},
link,
object::{Article, Image, Tombstone},
CustomObject,
};
use chrono::{NaiveDateTime, TimeZone, Utc};
use diesel::{self, BelongingToDsl, ExpressionMethods, QueryDsl, RunQueryDsl};
use once_cell::sync::Lazy;
use plume_common::{
activity_pub::{
inbox::{AsActor, AsObject, FromId},
sign::Signer,
Hashtag, Id, IntoId, Licensed, Source, PUBLIC_VISIBILITY,
},
utils::{iri_percent_encode_seg, md_to_html},
};
use riker::actors::{Publish, Tell};
use std::collections::{HashMap, HashSet};
use std::sync::{Arc, Mutex};
pub type LicensedArticle = CustomObject<Licensed, Article>;
static BLOG_FQN_CACHE: Lazy<Mutex<HashMap<i32, String>>> = Lazy::new(|| Mutex::new(HashMap::new()));
#[derive(Queryable, Identifiable, Clone, AsChangeset, Debug)]
#[changeset_options(treat_none_as_null = "true")]
pub struct Post {
pub id: i32,
pub blog_id: i32,
pub slug: String,
pub title: String,
pub content: SafeString,
pub published: bool,
pub license: String,
pub creation_date: NaiveDateTime,
pub ap_url: String,
pub subtitle: String,
pub source: String,
pub cover_id: Option<i32>,
}
#[derive(Insertable)]
#[table_name = "posts"]
pub struct NewPost {
pub blog_id: i32,
pub slug: String,
pub title: String,
pub content: SafeString,
pub published: bool,
pub license: String,
pub creation_date: Option<NaiveDateTime>,
pub ap_url: String,
pub subtitle: String,
pub source: String,
pub cover_id: Option<i32>,
}
impl Post {
get!(posts);
find_by!(posts, find_by_slug, slug as &str, blog_id as i32);
find_by!(posts, find_by_ap_url, ap_url as &str);
last!(posts);
pub fn insert(conn: &Connection, mut new: NewPost) -> Result<Self> {
if new.ap_url.is_empty() {
let blog = Blog::get(conn, new.blog_id)?;
new.ap_url = Self::ap_url(blog, &new.slug);
}
diesel::insert_into(posts::table)
.values(new)
.execute(conn)?;
let post = Self::last(conn)?;
if post.published {
post.publish_published();
}
Ok(post)
}
pub fn update(&self, conn: &Connection) -> Result<Self> {
diesel::update(self).set(self).execute(conn)?;
let post = Self::get(conn, self.id)?;
// TODO: Call publish_published() when newly published
if post.published {
let blog = post.get_blog(conn);
if blog.is_ok() && blog.unwrap().is_local() {
self.publish_updated();
}
}
Ok(post)
}
pub fn delete(&self, conn: &Connection) -> Result<()> {
for m in Mention::list_for_post(conn, self.id)? {
m.delete(conn)?;
}
diesel::delete(self).execute(conn)?;
self.publish_deleted();
Ok(())
}
pub fn list_by_tag(
conn: &Connection,
tag: String,
(min, max): (i32, i32),
) -> Result<Vec<Post>> {
use crate::schema::tags;
let ids = tags::table.filter(tags::tag.eq(tag)).select(tags::post_id);
posts::table
.filter(posts::id.eq_any(ids))
.filter(posts::published.eq(true))
.order(posts::creation_date.desc())
.offset(min.into())
.limit((max - min).into())
.load(conn)
.map_err(Error::from)
}
pub fn count_for_tag(conn: &Connection, tag: String) -> Result<i64> {
use crate::schema::tags;
let ids = tags::table.filter(tags::tag.eq(tag)).select(tags::post_id);
posts::table
.filter(posts::id.eq_any(ids))
.filter(posts::published.eq(true))
.count()
.load(conn)?
.get(0)
.cloned()
.ok_or(Error::NotFound)
}
pub fn count_local(conn: &Connection) -> Result<i64> {
use crate::schema::post_authors;
use crate::schema::users;
let local_authors = users::table
.filter(users::instance_id.eq(Instance::get_local()?.id))
.select(users::id);
let local_posts_id = post_authors::table
.filter(post_authors::author_id.eq_any(local_authors))
.select(post_authors::post_id);
posts::table
.filter(posts::id.eq_any(local_posts_id))
.filter(posts::published.eq(true))
.count()
.get_result(conn)
.map_err(Error::from)
}
pub fn count(conn: &Connection) -> Result<i64> {
posts::table
.filter(posts::published.eq(true))
.count()
.get_result(conn)
.map_err(Error::from)
}
pub fn list_filtered(
conn: &Connection,
title: Option<String>,
subtitle: Option<String>,
content: Option<String>,
) -> Result<Vec<Post>> {
let mut query = posts::table.into_boxed();
if let Some(title) = title {
query = query.filter(posts::title.eq(title));
}
if let Some(subtitle) = subtitle {
query = query.filter(posts::subtitle.eq(subtitle));
}
if let Some(content) = content {
query = query.filter(posts::content.eq(content));
}
query.get_results::<Post>(conn).map_err(Error::from)
}
pub fn get_recents_for_author(
conn: &Connection,
author: &User,
limit: i64,
) -> Result<Vec<Post>> {
use crate::schema::post_authors;
let posts = PostAuthor::belonging_to(author).select(post_authors::post_id);
posts::table
.filter(posts::id.eq_any(posts))
.filter(posts::published.eq(true))
.order(posts::creation_date.desc())
.limit(limit)
.load::<Post>(conn)
.map_err(Error::from)
}
pub fn get_recents_for_blog(conn: &Connection, blog: &Blog, limit: i64) -> Result<Vec<Post>> {
posts::table
.filter(posts::blog_id.eq(blog.id))
.filter(posts::published.eq(true))
.order(posts::creation_date.desc())
.limit(limit)
.load::<Post>(conn)
.map_err(Error::from)
}
pub fn get_for_blog(conn: &Connection, blog: &Blog) -> Result<Vec<Post>> {
posts::table
.filter(posts::blog_id.eq(blog.id))
.filter(posts::published.eq(true))
.load::<Post>(conn)
.map_err(Error::from)
}
pub fn count_for_blog(conn: &Connection, blog: &Blog) -> Result<i64> {
posts::table
.filter(posts::blog_id.eq(blog.id))
.filter(posts::published.eq(true))
.count()
.get_result(conn)
.map_err(Error::from)
}
pub fn blog_page(conn: &Connection, blog: &Blog, (min, max): (i32, i32)) -> Result<Vec<Post>> {
posts::table
.filter(posts::blog_id.eq(blog.id))
.filter(posts::published.eq(true))
.order(posts::creation_date.desc())
.offset(min.into())
.limit((max - min).into())
.load::<Post>(conn)
.map_err(Error::from)
}
pub fn drafts_by_author(conn: &Connection, author: &User) -> Result<Vec<Post>> {
use crate::schema::post_authors;
let posts = PostAuthor::belonging_to(author).select(post_authors::post_id);
posts::table
.order(posts::creation_date.desc())
.filter(posts::published.eq(false))
.filter(posts::id.eq_any(posts))
.load::<Post>(conn)
.map_err(Error::from)
}
pub fn ap_url(blog: Blog, slug: &str) -> String {
ap_url(&format!(
"{}/~/{}/{}/",
CONFIG.base_url,
blog.fqn,
iri_percent_encode_seg(slug)
))
}
// It's better to calc slug in insert and update
pub fn slug(title: &str) -> &str {
title
}
pub fn get_authors(&self, conn: &Connection) -> Result<Vec<User>> {
use crate::schema::post_authors;
use crate::schema::users;
let author_list = PostAuthor::belonging_to(self).select(post_authors::author_id);
users::table
.filter(users::id.eq_any(author_list))
.load::<User>(conn)
.map_err(Error::from)
}
pub fn is_author(&self, conn: &Connection, author_id: i32) -> Result<bool> {
use crate::schema::post_authors;
Ok(PostAuthor::belonging_to(self)
.filter(post_authors::author_id.eq(author_id))
.count()
.get_result::<i64>(conn)?
> 0)
}
pub fn get_blog(&self, conn: &Connection) -> Result<Blog> {
use crate::schema::blogs;
blogs::table
.filter(blogs::id.eq(self.blog_id))
.first(conn)
.map_err(Error::from)
}
/// This method exists for use in templates to reduce database access.
/// This should not be used for other purpose.
///
/// This caches query result. The best way to cache query result is holding it in `Post`s field
/// but Diesel doesn't allow it currently.
/// If sometime Diesel allow it, this method should be removed.
pub fn get_blog_fqn(&self, conn: &Connection) -> String {
if let Some(blog_fqn) = BLOG_FQN_CACHE.lock().unwrap().get(&self.blog_id) {
return blog_fqn.to_string();
}
let blog_fqn = self.get_blog(conn).unwrap().fqn;
BLOG_FQN_CACHE
.lock()
.unwrap()
.insert(self.blog_id, blog_fqn.clone());
blog_fqn
}
pub fn count_likes(&self, conn: &Connection) -> Result<i64> {
use crate::schema::likes;
likes::table
.filter(likes::post_id.eq(self.id))
.count()
.get_result(conn)
.map_err(Error::from)
}
pub fn count_reshares(&self, conn: &Connection) -> Result<i64> {
use crate::schema::reshares;
reshares::table
.filter(reshares::post_id.eq(self.id))
.count()
.get_result(conn)
.map_err(Error::from)
}
pub fn get_receivers_urls(&self, conn: &Connection) -> Result<Vec<String>> {
Ok(self
.get_authors(conn)?
.into_iter()
.filter_map(|a| a.get_followers(conn).ok())
.fold(vec![], |mut acc, f| {
for x in f {
acc.push(x.ap_url);
}
acc
}))
}
pub fn to_activity(&self, conn: &Connection) -> Result<LicensedArticle> {
let cc = self.get_receivers_urls(conn)?;
let to = vec![PUBLIC_VISIBILITY.to_string()];
let mut mentions_json = Mention::list_for_post(conn, self.id)?
.into_iter()
.map(|m| json!(m.to_activity(conn).ok()))
.collect::<Vec<serde_json::Value>>();
let mut tags_json = Tag::for_post(conn, self.id)?
.into_iter()
.map(|t| json!(t.to_activity().ok()))
.collect::<Vec<serde_json::Value>>();
mentions_json.append(&mut tags_json);
let mut article = Article::default();
article.object_props.set_name_string(self.title.clone())?;
article.object_props.set_id_string(self.ap_url.clone())?;
let mut authors = self
.get_authors(conn)?
.into_iter()
.map(|x| Id::new(x.ap_url))
.collect::<Vec<Id>>();
authors.push(self.get_blog(conn)?.into_id()); // add the blog URL here too
article
.object_props
.set_attributed_to_link_vec::<Id>(authors)?;
article
.object_props
.set_content_string(self.content.get().clone())?;
article.ap_object_props.set_source_object(Source {
content: self.source.clone(),
media_type: String::from("text/markdown"),
})?;
article
.object_props
.set_published_utctime(Utc.from_utc_datetime(&self.creation_date))?;
article
.object_props
.set_summary_string(self.subtitle.clone())?;
article.object_props.tag = Some(json!(mentions_json));
if let Some(media_id) = self.cover_id {
let media = Media::get(conn, media_id)?;
let mut cover = Image::default();
cover.object_props.set_url_string(media.url()?)?;
if media.sensitive {
cover
.object_props
.set_summary_string(media.content_warning.unwrap_or_default())?;
}
cover.object_props.set_content_string(media.alt_text)?;
cover
.object_props
.set_attributed_to_link_vec(vec![User::get(conn, media.owner_id)?.into_id()])?;
article.object_props.set_icon_object(cover)?;
}
article.object_props.set_url_string(self.ap_url.clone())?;
article
.object_props
.set_to_link_vec::<Id>(to.into_iter().map(Id::new).collect())?;
article
.object_props
.set_cc_link_vec::<Id>(cc.into_iter().map(Id::new).collect())?;
let mut license = Licensed::default();
license.set_license_string(self.license.clone())?;
Ok(LicensedArticle::new(article, license))
}
pub fn create_activity(&self, conn: &Connection) -> Result<Create> {
let article = self.to_activity(conn)?;
let mut act = Create::default();
act.object_props
.set_id_string(format!("{}activity", self.ap_url))?;
act.object_props
.set_to_link_vec::<Id>(article.object.object_props.to_link_vec()?)?;
act.object_props
.set_cc_link_vec::<Id>(article.object.object_props.cc_link_vec()?)?;
act.create_props
.set_actor_link(Id::new(self.get_authors(conn)?[0].clone().ap_url))?;
act.create_props.set_object_object(article)?;
Ok(act)
}
pub fn update_activity(&self, conn: &Connection) -> Result<Update> {
let article = self.to_activity(conn)?;
let mut act = Update::default();
act.object_props.set_id_string(format!(
"{}/update-{}",
self.ap_url,
Utc::now().timestamp()
))?;
act.object_props
.set_to_link_vec::<Id>(article.object.object_props.to_link_vec()?)?;
act.object_props
.set_cc_link_vec::<Id>(article.object.object_props.cc_link_vec()?)?;
act.update_props
.set_actor_link(Id::new(self.get_authors(conn)?[0].clone().ap_url))?;
act.update_props.set_object_object(article)?;
Ok(act)
}
pub fn update_mentions(&self, conn: &Connection, mentions: Vec<link::Mention>) -> Result<()> {
let mentions = mentions
.into_iter()
.map(|m| {
(
m.link_props
.href_string()
.ok()
.and_then(|ap_url| User::find_by_ap_url(conn, &ap_url).ok())
.map(|u| u.id),
m,
)
})
.filter_map(|(id, m)| id.map(|id| (m, id)))
.collect::<Vec<_>>();
let old_mentions = Mention::list_for_post(conn, self.id)?;
let old_user_mentioned = old_mentions
.iter()
.map(|m| m.mentioned_id)
.collect::<HashSet<_>>();
for (m, id) in &mentions {
if !old_user_mentioned.contains(id) {
Mention::from_activity(&*conn, m, self.id, true, true)?;
}
}
let new_mentions = mentions
.into_iter()
.map(|(_m, id)| id)
.collect::<HashSet<_>>();
for m in old_mentions
.iter()
.filter(|m| !new_mentions.contains(&m.mentioned_id))
{
m.delete(conn)?;
}
Ok(())
}
pub fn update_tags(&self, conn: &Connection, tags: Vec<Hashtag>) -> Result<()> {
let tags_name = tags
.iter()
.filter_map(|t| t.name_string().ok())
.collect::<HashSet<_>>();
let old_tags = Tag::for_post(&*conn, self.id)?;
let old_tags_name = old_tags
.iter()
.filter_map(|tag| {
if !tag.is_hashtag {
Some(tag.tag.clone())
} else {
None
}
})
.collect::<HashSet<_>>();
for t in tags {
if !t
.name_string()
.map(|n| old_tags_name.contains(&n))
.unwrap_or(true)
{
Tag::from_activity(conn, &t, self.id, false)?;
}
}
for ot in old_tags.iter().filter(|t| !t.is_hashtag) {
if !tags_name.contains(&ot.tag) {
ot.delete(conn)?;
}
}
Ok(())
}
pub fn update_hashtags(&self, conn: &Connection, tags: Vec<Hashtag>) -> Result<()> {
let tags_name = tags
.iter()
.filter_map(|t| t.name_string().ok())
.collect::<HashSet<_>>();
let old_tags = Tag::for_post(&*conn, self.id)?;
let old_tags_name = old_tags
.iter()
.filter_map(|tag| {
if tag.is_hashtag {
Some(tag.tag.clone())
} else {
None
}
})
.collect::<HashSet<_>>();
for t in tags {
if !t
.name_string()
.map(|n| old_tags_name.contains(&n))
.unwrap_or(true)
{
Tag::from_activity(conn, &t, self.id, true)?;
}
}
for ot in old_tags.into_iter().filter(|t| t.is_hashtag) {
if !tags_name.contains(&ot.tag) {
ot.delete(conn)?;
}
}
Ok(())
}
pub fn url(&self, conn: &Connection) -> Result<String> {
let blog = self.get_blog(conn)?;
Ok(format!("/~/{}/{}", blog.fqn, self.slug))
}
pub fn cover_url(&self, conn: &Connection) -> Option<String> {
self.cover_id
.and_then(|i| Media::get(conn, i).ok())
.and_then(|c| c.url().ok())
}
pub fn build_delete(&self, conn: &Connection) -> Result<Delete> {
let mut act = Delete::default();
act.delete_props
.set_actor_link(self.get_authors(conn)?[0].clone().into_id())?;
let mut tombstone = Tombstone::default();
tombstone.object_props.set_id_string(self.ap_url.clone())?;
act.delete_props.set_object_object(tombstone)?;
act.object_props
.set_id_string(format!("{}#delete", self.ap_url))?;
act.object_props
.set_to_link_vec(vec![Id::new(PUBLIC_VISIBILITY)])?;
Ok(act)
}
fn publish_published(&self) {
POST_CHAN.tell(
Publish {
msg: PostPublished(Arc::new(self.clone())),
topic: "post.published".into(),
},
None,
)
}
fn publish_updated(&self) {
POST_CHAN.tell(
Publish {
msg: PostUpdated(Arc::new(self.clone())),
topic: "post.updated".into(),
},
None,
)
}
fn publish_deleted(&self) {
POST_CHAN.tell(
Publish {
msg: PostDeleted(Arc::new(self.clone())),
topic: "post.deleted".into(),
},
None,
)
}
}
impl FromId<DbConn> for Post {
type Error = Error;
type Object = LicensedArticle;
fn from_db(conn: &DbConn, id: &str) -> Result<Self> {
Self::find_by_ap_url(conn, id)
}
fn from_activity(conn: &DbConn, article: LicensedArticle) -> Result<Self> {
let conn = conn;
let license = article.custom_props.license_string().unwrap_or_default();
let article = article.object;
let (blog, authors) = article
.object_props
.attributed_to_link_vec::<Id>()?
.into_iter()
.fold((None, vec![]), |(blog, mut authors), link| {
let url = link;
match User::from_id(conn, &url, None, CONFIG.proxy()) {
Ok(u) => {
authors.push(u);
(blog, authors)
}
Err(_) => (
blog.or_else(|| Blog::from_id(conn, &url, None, CONFIG.proxy()).ok()),
authors,
),
}
});
let cover = article
.object_props
.icon_object::<Image>()
.ok()
.and_then(|img| Media::from_activity(conn, &img).ok().map(|m| m.id));
let title = article.object_props.name_string()?;
let ap_url = article
.object_props
.url_string()
.or_else(|_| article.object_props.id_string())?;
let post = Post::from_db(conn, &ap_url)
.and_then(|mut post| {
let mut updated = false;
let slug = Self::slug(&title);
let content = SafeString::new(&article.object_props.content_string()?);
let subtitle = article.object_props.summary_string()?;
let source = article.ap_object_props.source_object::<Source>()?.content;
if post.slug != slug {
post.slug = slug.to_string();
updated = true;
}
if post.title != title {
post.title = title.clone();
updated = true;
}
if post.content != content {
post.content = content;
updated = true;
}
if post.license != license {
post.license = license.clone();
updated = true;
}
if post.subtitle != subtitle {
post.subtitle = subtitle;
updated = true;
}
if post.source != source {
post.source = source;
updated = true;
}
if post.cover_id != cover {
post.cover_id = cover;
updated = true;
}
if updated {
post.update(conn)?;
}
Ok(post)
})
.or_else(|_| {
Post::insert(
conn,
NewPost {
blog_id: blog.ok_or(Error::NotFound)?.id,
slug: Self::slug(&title).to_string(),
title,
content: SafeString::new(&article.object_props.content_string()?),
published: true,
license,
// FIXME: This is wrong: with this logic, we may use the display URL as the AP ID. We need two different fields
ap_url,
creation_date: Some(article.object_props.published_utctime()?.naive_utc()),
subtitle: article.object_props.summary_string()?,
source: article.ap_object_props.source_object::<Source>()?.content,
cover_id: cover,
},
)
.and_then(|post| {
for author in authors {
PostAuthor::insert(
conn,
NewPostAuthor {
post_id: post.id,
author_id: author.id,
},
)?;
}
Ok(post)
})
})?;
// save mentions and tags
let mut hashtags = md_to_html(&post.source, None, false, None)
.2
.into_iter()
.collect::<HashSet<_>>();
if let Some(serde_json::Value::Array(tags)) = article.object_props.tag {
for tag in tags {
serde_json::from_value::<link::Mention>(tag.clone())
.map(|m| Mention::from_activity(conn, &m, post.id, true, true))
.ok();
serde_json::from_value::<Hashtag>(tag.clone())
.map_err(Error::from)
.and_then(|t| {
let tag_name = t.name_string()?;
Ok(Tag::from_activity(
conn,
&t,
post.id,
hashtags.remove(&tag_name),
))
})
.ok();
}
}
Timeline::add_to_all_timelines(conn, &post, Kind::Original)?;
Ok(post)
}
fn get_sender() -> &'static dyn Signer {
Instance::get_local_instance_user().expect("Failed to local instance user")
}
}
impl AsObject<User, Create, &DbConn> for Post {
type Error = Error;
type Output = Post;
fn activity(self, _conn: &DbConn, _actor: User, _id: &str) -> Result<Post> {
// TODO: check that _actor is actually one of the author?
Ok(self)
}
}
impl AsObject<User, Delete, &DbConn> for Post {
type Error = Error;
type Output = ();
fn activity(self, conn: &DbConn, actor: User, _id: &str) -> Result<()> {
let can_delete = self
.get_authors(conn)?
.into_iter()
.any(|a| actor.id == a.id);
if can_delete {
self.delete(conn).map(|_| ())
} else {
Err(Error::Unauthorized)
}
}
}
pub struct PostUpdate {
pub ap_url: String,
pub title: Option<String>,
pub subtitle: Option<String>,
pub content: Option<String>,
pub cover: Option<i32>,
pub source: Option<String>,
pub license: Option<String>,
pub tags: Option<serde_json::Value>,
}
impl FromId<DbConn> for PostUpdate {
type Error = Error;
type Object = LicensedArticle;
fn from_db(_: &DbConn, _: &str) -> Result<Self> {
// Always fail because we always want to deserialize the AP object
Err(Error::NotFound)
}
fn from_activity(conn: &DbConn, updated: LicensedArticle) -> Result<Self> {
Ok(PostUpdate {
ap_url: updated.object.object_props.id_string()?,
title: updated.object.object_props.name_string().ok(),
subtitle: updated.object.object_props.summary_string().ok(),
content: updated.object.object_props.content_string().ok(),
cover: updated
.object
.object_props
.icon_object::<Image>()
.ok()
.and_then(|img| Media::from_activity(conn, &img).ok().map(|m| m.id)),
source: updated
.object
.ap_object_props
.source_object::<Source>()
.ok()
.map(|x| x.content),
license: updated.custom_props.license_string().ok(),
tags: updated.object.object_props.tag,
})
}
fn get_sender() -> &'static dyn Signer {
Instance::get_local_instance_user().expect("Failed to local instance user")
}
}
impl AsObject<User, Update, &DbConn> for PostUpdate {
type Error = Error;
type Output = ();
fn activity(self, conn: &DbConn, actor: User, _id: &str) -> Result<()> {
let mut post =
Post::from_id(conn, &self.ap_url, None, CONFIG.proxy()).map_err(|(_, e)| e)?;
if !post.is_author(conn, actor.id)? {
// TODO: maybe the author was added in the meantime
return Err(Error::Unauthorized);
}
if let Some(title) = self.title {
post.slug = Post::slug(&title).to_string();
post.title = title;
}
if let Some(content) = self.content {
post.content = SafeString::new(&content);
}
if let Some(subtitle) = self.subtitle {
post.subtitle = subtitle;
}
post.cover_id = self.cover;
if let Some(source) = self.source {
post.source = source;
}
if let Some(license) = self.license {
post.license = license;
}
let mut txt_hashtags = md_to_html(&post.source, None, false, None)
.2
.into_iter()
.collect::<HashSet<_>>();
if let Some(serde_json::Value::Array(mention_tags)) = self.tags {
let mut mentions = vec![];
let mut tags = vec![];
let mut hashtags = vec![];
for tag in mention_tags {
serde_json::from_value::<link::Mention>(tag.clone())
.map(|m| mentions.push(m))
.ok();
serde_json::from_value::<Hashtag>(tag.clone())
.map_err(Error::from)
.and_then(|t| {
let tag_name = t.name_string()?;
if txt_hashtags.remove(&tag_name) {
hashtags.push(t);
} else {
tags.push(t);
}
Ok(())
})
.ok();
}
post.update_mentions(conn, mentions)?;
post.update_tags(conn, tags)?;
post.update_hashtags(conn, hashtags)?;
}
post.update(conn)?;
Ok(())
}
}
impl IntoId for Post {
fn into_id(self) -> Id {
Id::new(self.ap_url)
}
}
#[derive(Clone, Debug)]
pub enum PostEvent {
PostPublished(Arc<Post>),
PostUpdated(Arc<Post>),
PostDeleted(Arc<Post>),
}
impl From<PostEvent> for Arc<Post> {
fn from(event: PostEvent) -> Self {
use PostEvent::*;
match event {
PostPublished(post) => post,
PostUpdated(post) => post,
PostDeleted(post) => post,
}
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::inbox::{inbox, tests::fill_database, InboxResult};
use crate::safe_string::SafeString;
use crate::tests::db;
use diesel::Connection;
// creates a post, get it's Create activity, delete the post,
// "send" the Create to the inbox, and check it works
#[test]
fn self_federation() {
let conn = &db();
conn.test_transaction::<_, (), _>(|| {
let (_, users, blogs) = fill_database(&conn);
let post = Post::insert(
&conn,
NewPost {
blog_id: blogs[0].id,
slug: "yo".into(),
title: "Yo".into(),
content: SafeString::new("Hello"),
published: true,
license: "WTFPL".to_string(),
creation_date: None,
ap_url: String::new(), // automatically updated when inserting
subtitle: "Testing".into(),
source: "Hello".into(),
cover_id: None,
},
)
.unwrap();
PostAuthor::insert(
&conn,
NewPostAuthor {
post_id: post.id,
author_id: users[0].id,
},
)
.unwrap();
let create = post.create_activity(&conn).unwrap();
post.delete(&conn).unwrap();
match inbox(&conn, serde_json::to_value(create).unwrap()).unwrap() {
InboxResult::Post(p) => {
assert!(p.is_author(&conn, users[0].id).unwrap());
assert_eq!(p.source, "Hello".to_owned());
assert_eq!(p.blog_id, blogs[0].id);
assert_eq!(p.content, SafeString::new("Hello"));
assert_eq!(p.subtitle, "Testing".to_owned());
assert_eq!(p.title, "Yo".to_owned());
}
_ => panic!("Unexpected result"),
};
Ok(())
});
}
#[test]
fn licensed_article_serde() {
let mut article = Article::default();
article.object_props.set_id_string("Yo".into()).unwrap();
let mut license = Licensed::default();
license.set_license_string("WTFPL".into()).unwrap();
let full_article = LicensedArticle::new(article, license);
let json = serde_json::to_value(full_article).unwrap();
let article_from_json: LicensedArticle = serde_json::from_value(json).unwrap();
assert_eq!(
"Yo",
&article_from_json.object.object_props.id_string().unwrap()
);
assert_eq!(
"WTFPL",
&article_from_json.custom_props.license_string().unwrap()
);
}
#[test]
fn licensed_article_deserialization() {
let json = json!({
"type": "Article",
"id": "https://plu.me/~/Blog/my-article",
"attributedTo": ["https://plu.me/@/Admin", "https://plu.me/~/Blog"],
"content": "Hello.",
"name": "My Article",
"summary": "Bye.",
"source": {
"content": "Hello.",
"mediaType": "text/markdown"
},
"published": "2014-12-12T12:12:12Z",
"to": [plume_common::activity_pub::PUBLIC_VISIBILITY]
});
let article: LicensedArticle = serde_json::from_value(json).unwrap();
assert_eq!(
"https://plu.me/~/Blog/my-article",
&article.object.object_props.id_string().unwrap()
);
}
}