lemmy/crates/db_schema/src/impls/post.rs

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use crate::{
newtypes::{CommunityId, DbUrl, PersonId, PostId},
source::post::{
Post,
PostForm,
PostLike,
PostLikeForm,
PostRead,
PostReadForm,
PostSaved,
PostSavedForm,
},
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traits::{Crud, DeleteableOrRemoveable, Likeable, Readable, Saveable},
utils::naive_now,
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};
use diesel::{dsl::*, result::Error, ExpressionMethods, PgConnection, QueryDsl, RunQueryDsl, *};
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use url::Url;
impl Crud for Post {
type Form = PostForm;
type IdType = PostId;
fn read(conn: &PgConnection, post_id: PostId) -> Result<Self, Error> {
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use crate::schema::post::dsl::*;
post.find(post_id).first::<Self>(conn)
}
fn delete(conn: &PgConnection, post_id: PostId) -> Result<usize, Error> {
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use crate::schema::post::dsl::*;
diesel::delete(post.find(post_id)).execute(conn)
}
fn create(conn: &PgConnection, new_post: &PostForm) -> Result<Self, Error> {
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use crate::schema::post::dsl::*;
insert_into(post).values(new_post).get_result::<Self>(conn)
}
fn update(conn: &PgConnection, post_id: PostId, new_post: &PostForm) -> Result<Self, Error> {
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use crate::schema::post::dsl::*;
diesel::update(post.find(post_id))
.set(new_post)
.get_result::<Self>(conn)
}
}
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impl Post {
pub fn list_for_community(
conn: &PgConnection,
the_community_id: CommunityId,
) -> Result<Vec<Self>, Error> {
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use crate::schema::post::dsl::*;
post
.filter(community_id.eq(the_community_id))
.filter(deleted.eq(false))
.filter(removed.eq(false))
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.then_order_by(published.desc())
.then_order_by(stickied.desc())
.limit(20)
.load::<Self>(conn)
}
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pub fn update_ap_id(conn: &PgConnection, post_id: PostId, apub_id: DbUrl) -> Result<Self, Error> {
use crate::schema::post::dsl::*;
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diesel::update(post.find(post_id))
.set(ap_id.eq(apub_id))
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.get_result::<Self>(conn)
}
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pub fn permadelete_for_creator(
conn: &PgConnection,
for_creator_id: PersonId,
) -> Result<Vec<Self>, Error> {
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use crate::schema::post::dsl::*;
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let perma_deleted = "*Permananently Deleted*";
let perma_deleted_url = "https://deleted.com";
diesel::update(post.filter(creator_id.eq(for_creator_id)))
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.set((
name.eq(perma_deleted),
url.eq(perma_deleted_url),
body.eq(perma_deleted),
deleted.eq(true),
updated.eq(naive_now()),
))
.get_results::<Self>(conn)
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}
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pub fn update_deleted(
conn: &PgConnection,
post_id: PostId,
new_deleted: bool,
) -> Result<Self, Error> {
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use crate::schema::post::dsl::*;
diesel::update(post.find(post_id))
.set((deleted.eq(new_deleted), updated.eq(naive_now())))
.get_result::<Self>(conn)
}
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pub fn update_removed(
conn: &PgConnection,
post_id: PostId,
new_removed: bool,
) -> Result<Self, Error> {
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use crate::schema::post::dsl::*;
diesel::update(post.find(post_id))
.set((removed.eq(new_removed), updated.eq(naive_now())))
.get_result::<Self>(conn)
}
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pub fn update_removed_for_creator(
conn: &PgConnection,
for_creator_id: PersonId,
for_community_id: Option<CommunityId>,
new_removed: bool,
) -> Result<Vec<Self>, Error> {
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use crate::schema::post::dsl::*;
let mut update = diesel::update(post).into_boxed();
update = update.filter(creator_id.eq(for_creator_id));
if let Some(for_community_id) = for_community_id {
update = update.filter(community_id.eq(for_community_id));
}
update
.set((removed.eq(new_removed), updated.eq(naive_now())))
.get_results::<Self>(conn)
}
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pub fn update_locked(
conn: &PgConnection,
post_id: PostId,
new_locked: bool,
) -> Result<Self, Error> {
use crate::schema::post::dsl::*;
diesel::update(post.find(post_id))
.set(locked.eq(new_locked))
.get_result::<Self>(conn)
}
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pub fn update_stickied(
conn: &PgConnection,
post_id: PostId,
new_stickied: bool,
) -> Result<Self, Error> {
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use crate::schema::post::dsl::*;
diesel::update(post.find(post_id))
.set(stickied.eq(new_stickied))
.get_result::<Self>(conn)
}
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pub fn is_post_creator(person_id: PersonId, post_creator_id: PersonId) -> bool {
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person_id == post_creator_id
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}
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pub fn upsert(conn: &PgConnection, post_form: &PostForm) -> Result<Post, Error> {
use crate::schema::post::dsl::*;
insert_into(post)
.values(post_form)
.on_conflict(ap_id)
.do_update()
.set(post_form)
.get_result::<Self>(conn)
}
pub fn read_from_apub_id(conn: &PgConnection, object_id: Url) -> Result<Option<Self>, Error> {
use crate::schema::post::dsl::*;
let object_id: DbUrl = object_id.into();
Ok(
post
.filter(ap_id.eq(object_id))
.first::<Post>(conn)
.ok()
.map(Into::into),
)
}
pub fn fetch_pictrs_posts_for_creator(
conn: &PgConnection,
for_creator_id: PersonId,
) -> Result<Vec<Self>, Error> {
use crate::schema::post::dsl::*;
let pictrs_search = "%pictrs/image%";
post
.filter(creator_id.eq(for_creator_id))
.filter(url.like(pictrs_search))
.load::<Self>(conn)
}
/// Sets the url and thumbnails fields to None
pub fn remove_pictrs_post_images_and_thumbnails_for_creator(
conn: &PgConnection,
for_creator_id: PersonId,
) -> Result<Vec<Self>, Error> {
use crate::schema::post::dsl::*;
let pictrs_search = "%pictrs/image%";
diesel::update(
post
.filter(creator_id.eq(for_creator_id))
.filter(url.like(pictrs_search)),
)
.set((
url.eq::<Option<String>>(None),
thumbnail_url.eq::<Option<String>>(None),
))
.get_results::<Self>(conn)
}
pub fn fetch_pictrs_posts_for_community(
conn: &PgConnection,
for_community_id: CommunityId,
) -> Result<Vec<Self>, Error> {
use crate::schema::post::dsl::*;
let pictrs_search = "%pictrs/image%";
post
.filter(community_id.eq(for_community_id))
.filter(url.like(pictrs_search))
.load::<Self>(conn)
}
/// Sets the url and thumbnails fields to None
pub fn remove_pictrs_post_images_and_thumbnails_for_community(
conn: &PgConnection,
for_community_id: CommunityId,
) -> Result<Vec<Self>, Error> {
use crate::schema::post::dsl::*;
let pictrs_search = "%pictrs/image%";
diesel::update(
post
.filter(community_id.eq(for_community_id))
.filter(url.like(pictrs_search)),
)
.set((
url.eq::<Option<String>>(None),
thumbnail_url.eq::<Option<String>>(None),
))
.get_results::<Self>(conn)
}
}
impl Likeable for PostLike {
type Form = PostLikeForm;
type IdType = PostId;
fn like(conn: &PgConnection, post_like_form: &PostLikeForm) -> Result<Self, Error> {
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use crate::schema::post_like::dsl::*;
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insert_into(post_like)
.values(post_like_form)
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.on_conflict((post_id, person_id))
.do_update()
.set(post_like_form)
.get_result::<Self>(conn)
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}
fn remove(conn: &PgConnection, person_id: PersonId, post_id: PostId) -> Result<usize, Error> {
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use crate::schema::post_like::dsl;
diesel::delete(
dsl::post_like
.filter(dsl::post_id.eq(post_id))
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.filter(dsl::person_id.eq(person_id)),
)
.execute(conn)
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}
}
impl Saveable for PostSaved {
type Form = PostSavedForm;
fn save(conn: &PgConnection, post_saved_form: &PostSavedForm) -> Result<Self, Error> {
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use crate::schema::post_saved::dsl::*;
insert_into(post_saved)
.values(post_saved_form)
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.on_conflict((post_id, person_id))
.do_update()
.set(post_saved_form)
.get_result::<Self>(conn)
}
fn unsave(conn: &PgConnection, post_saved_form: &PostSavedForm) -> Result<usize, Error> {
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use crate::schema::post_saved::dsl::*;
diesel::delete(
post_saved
.filter(post_id.eq(post_saved_form.post_id))
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.filter(person_id.eq(post_saved_form.person_id)),
)
.execute(conn)
}
}
impl Readable for PostRead {
type Form = PostReadForm;
fn mark_as_read(conn: &PgConnection, post_read_form: &PostReadForm) -> Result<Self, Error> {
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use crate::schema::post_read::dsl::*;
insert_into(post_read)
.values(post_read_form)
.on_conflict((post_id, person_id))
.do_update()
.set(post_read_form)
.get_result::<Self>(conn)
}
fn mark_as_unread(conn: &PgConnection, post_read_form: &PostReadForm) -> Result<usize, Error> {
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use crate::schema::post_read::dsl::*;
diesel::delete(
post_read
.filter(post_id.eq(post_read_form.post_id))
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.filter(person_id.eq(post_read_form.person_id)),
)
.execute(conn)
}
}
impl DeleteableOrRemoveable for Post {
fn blank_out_deleted_or_removed_info(mut self) -> Self {
self.name = "".into();
self.url = None;
self.body = None;
self.embed_title = None;
self.embed_description = None;
self.embed_video_url = None;
self.thumbnail_url = None;
self
}
}
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#[cfg(test)]
mod tests {
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use crate::{
source::{
community::{Community, CommunityForm},
person::*,
post::*,
},
traits::{Crud, Likeable, Readable, Saveable},
utils::establish_unpooled_connection,
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};
use serial_test::serial;
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#[test]
#[serial]
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fn test_crud() {
let conn = establish_unpooled_connection();
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let new_person = PersonForm {
name: "jim".into(),
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..PersonForm::default()
};
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let inserted_person = Person::create(&conn, &new_person).unwrap();
let new_community = CommunityForm {
name: "test community_3".to_string(),
title: "nada".to_owned(),
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..CommunityForm::default()
};
let inserted_community = Community::create(&conn, &new_community).unwrap();
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let new_post = PostForm {
name: "A test post".into(),
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creator_id: inserted_person.id,
community_id: inserted_community.id,
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..PostForm::default()
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};
let inserted_post = Post::create(&conn, &new_post).unwrap();
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let expected_post = Post {
id: inserted_post.id,
name: "A test post".into(),
url: None,
body: None,
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creator_id: inserted_person.id,
community_id: inserted_community.id,
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published: inserted_post.published,
removed: false,
locked: false,
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stickied: false,
nsfw: false,
deleted: false,
updated: None,
embed_title: None,
embed_description: None,
embed_video_url: None,
thumbnail_url: None,
ap_id: inserted_post.ap_id.to_owned(),
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local: true,
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};
// Post Like
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let post_like_form = PostLikeForm {
post_id: inserted_post.id,
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person_id: inserted_person.id,
score: 1,
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};
let inserted_post_like = PostLike::like(&conn, &post_like_form).unwrap();
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let expected_post_like = PostLike {
id: inserted_post_like.id,
post_id: inserted_post.id,
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person_id: inserted_person.id,
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published: inserted_post_like.published,
score: 1,
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};
// Post Save
let post_saved_form = PostSavedForm {
post_id: inserted_post.id,
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person_id: inserted_person.id,
};
let inserted_post_saved = PostSaved::save(&conn, &post_saved_form).unwrap();
let expected_post_saved = PostSaved {
id: inserted_post_saved.id,
post_id: inserted_post.id,
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person_id: inserted_person.id,
published: inserted_post_saved.published,
};
// Post Read
let post_read_form = PostReadForm {
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post_id: inserted_post.id,
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person_id: inserted_person.id,
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};
let inserted_post_read = PostRead::mark_as_read(&conn, &post_read_form).unwrap();
let expected_post_read = PostRead {
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id: inserted_post_read.id,
post_id: inserted_post.id,
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person_id: inserted_person.id,
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published: inserted_post_read.published,
};
let read_post = Post::read(&conn, inserted_post.id).unwrap();
let updated_post = Post::update(&conn, inserted_post.id, &new_post).unwrap();
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let like_removed = PostLike::remove(&conn, inserted_person.id, inserted_post.id).unwrap();
let saved_removed = PostSaved::unsave(&conn, &post_saved_form).unwrap();
let read_removed = PostRead::mark_as_unread(&conn, &post_read_form).unwrap();
let num_deleted = Post::delete(&conn, inserted_post.id).unwrap();
Community::delete(&conn, inserted_community.id).unwrap();
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Person::delete(&conn, inserted_person.id).unwrap();
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assert_eq!(expected_post, read_post);
assert_eq!(expected_post, inserted_post);
assert_eq!(expected_post, updated_post);
assert_eq!(expected_post_like, inserted_post_like);
assert_eq!(expected_post_saved, inserted_post_saved);
assert_eq!(expected_post_read, inserted_post_read);
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assert_eq!(1, like_removed);
assert_eq!(1, saved_removed);
assert_eq!(1, read_removed);
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assert_eq!(1, num_deleted);
}
}