lemmy/server/lemmy_db/src/community.rs

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use crate::{
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naive_now,
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schema::{community, community_follower, community_moderator, community_user_ban},
Bannable,
Crud,
Followable,
Joinable,
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};
use diesel::{dsl::*, result::Error, *};
use serde::{Deserialize, Serialize};
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#[derive(Clone, Queryable, Identifiable, PartialEq, Debug, Serialize, Deserialize)]
#[table_name = "community"]
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pub struct Community {
pub id: i32,
pub name: String,
pub title: String,
pub description: Option<String>,
pub category_id: i32,
pub creator_id: i32,
pub removed: bool,
pub published: chrono::NaiveDateTime,
pub updated: Option<chrono::NaiveDateTime>,
pub deleted: bool,
pub nsfw: bool,
pub actor_id: String,
pub local: bool,
pub private_key: Option<String>,
pub public_key: Option<String>,
pub last_refreshed_at: chrono::NaiveDateTime,
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}
#[derive(Insertable, AsChangeset, Clone, Serialize, Deserialize, Debug)]
#[table_name = "community"]
pub struct CommunityForm {
pub name: String,
pub title: String,
pub description: Option<String>,
pub category_id: i32,
pub creator_id: i32,
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pub removed: Option<bool>,
pub published: Option<chrono::NaiveDateTime>,
pub updated: Option<chrono::NaiveDateTime>,
pub deleted: Option<bool>,
pub nsfw: bool,
pub actor_id: String,
pub local: bool,
pub private_key: Option<String>,
pub public_key: Option<String>,
pub last_refreshed_at: Option<chrono::NaiveDateTime>,
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}
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impl Crud<CommunityForm> for Community {
fn read(conn: &PgConnection, community_id: i32) -> Result<Self, Error> {
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use crate::schema::community::dsl::*;
community.find(community_id).first::<Self>(conn)
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}
fn delete(conn: &PgConnection, community_id: i32) -> Result<usize, Error> {
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use crate::schema::community::dsl::*;
diesel::delete(community.find(community_id)).execute(conn)
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}
fn create(conn: &PgConnection, new_community: &CommunityForm) -> Result<Self, Error> {
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use crate::schema::community::dsl::*;
insert_into(community)
.values(new_community)
.get_result::<Self>(conn)
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}
fn update(
conn: &PgConnection,
community_id: i32,
new_community: &CommunityForm,
) -> Result<Self, Error> {
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use crate::schema::community::dsl::*;
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diesel::update(community.find(community_id))
.set(new_community)
.get_result::<Self>(conn)
}
}
impl Community {
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pub fn read_from_name(conn: &PgConnection, community_name: &str) -> Result<Self, Error> {
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use crate::schema::community::dsl::*;
community
.filter(name.eq(community_name))
.first::<Self>(conn)
}
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pub fn read_from_actor_id(conn: &PgConnection, for_actor_id: &str) -> Result<Self, Error> {
use crate::schema::community::dsl::*;
community
.filter(actor_id.eq(for_actor_id))
.first::<Self>(conn)
}
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pub fn list_local(conn: &PgConnection) -> Result<Vec<Self>, Error> {
use crate::schema::community::dsl::*;
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community.filter(local.eq(true)).load::<Community>(conn)
}
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pub fn update_deleted(
conn: &PgConnection,
community_id: i32,
new_deleted: bool,
) -> Result<Self, Error> {
use crate::schema::community::dsl::*;
diesel::update(community.find(community_id))
.set(deleted.eq(new_deleted))
.get_result::<Self>(conn)
}
pub fn update_removed(
conn: &PgConnection,
community_id: i32,
new_removed: bool,
) -> Result<Self, Error> {
use crate::schema::community::dsl::*;
diesel::update(community.find(community_id))
.set(removed.eq(new_removed))
.get_result::<Self>(conn)
}
pub fn update_creator(
conn: &PgConnection,
community_id: i32,
new_creator_id: i32,
) -> Result<Self, Error> {
use crate::schema::community::dsl::*;
diesel::update(community.find(community_id))
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.set((creator_id.eq(new_creator_id), updated.eq(naive_now())))
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.get_result::<Self>(conn)
}
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fn community_mods_and_admins(
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conn: &PgConnection,
community_id: i32,
) -> Result<Vec<i32>, Error> {
use crate::{community_view::CommunityModeratorView, user_view::UserView};
let mut mods_and_admins: Vec<i32> = Vec::new();
mods_and_admins.append(
&mut CommunityModeratorView::for_community(conn, community_id)
.map(|v| v.into_iter().map(|m| m.user_id).collect())?,
);
mods_and_admins
.append(&mut UserView::admins(conn).map(|v| v.into_iter().map(|a| a.id).collect())?);
Ok(mods_and_admins)
}
pub fn is_mod_or_admin(conn: &PgConnection, user_id: i32, community_id: i32) -> bool {
Self::community_mods_and_admins(conn, community_id)
.unwrap_or_default()
.contains(&user_id)
}
}
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#[derive(Identifiable, Queryable, Associations, PartialEq, Debug)]
#[belongs_to(Community)]
#[table_name = "community_moderator"]
pub struct CommunityModerator {
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pub id: i32,
pub community_id: i32,
pub user_id: i32,
pub published: chrono::NaiveDateTime,
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}
#[derive(Insertable, AsChangeset, Clone)]
#[table_name = "community_moderator"]
pub struct CommunityModeratorForm {
pub community_id: i32,
pub user_id: i32,
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}
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impl Joinable<CommunityModeratorForm> for CommunityModerator {
fn join(
conn: &PgConnection,
community_user_form: &CommunityModeratorForm,
) -> Result<Self, Error> {
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use crate::schema::community_moderator::dsl::*;
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insert_into(community_moderator)
.values(community_user_form)
.get_result::<Self>(conn)
}
fn leave(
conn: &PgConnection,
community_user_form: &CommunityModeratorForm,
) -> Result<usize, Error> {
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use crate::schema::community_moderator::dsl::*;
diesel::delete(
community_moderator
.filter(community_id.eq(community_user_form.community_id))
.filter(user_id.eq(community_user_form.user_id)),
)
.execute(conn)
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}
}
impl CommunityModerator {
pub fn delete_for_community(conn: &PgConnection, for_community_id: i32) -> Result<usize, Error> {
use crate::schema::community_moderator::dsl::*;
diesel::delete(community_moderator.filter(community_id.eq(for_community_id))).execute(conn)
}
}
#[derive(Identifiable, Queryable, Associations, PartialEq, Debug)]
#[belongs_to(Community)]
#[table_name = "community_user_ban"]
pub struct CommunityUserBan {
pub id: i32,
pub community_id: i32,
pub user_id: i32,
pub published: chrono::NaiveDateTime,
}
#[derive(Insertable, AsChangeset, Clone)]
#[table_name = "community_user_ban"]
pub struct CommunityUserBanForm {
pub community_id: i32,
pub user_id: i32,
}
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impl Bannable<CommunityUserBanForm> for CommunityUserBan {
fn ban(
conn: &PgConnection,
community_user_ban_form: &CommunityUserBanForm,
) -> Result<Self, Error> {
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use crate::schema::community_user_ban::dsl::*;
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insert_into(community_user_ban)
.values(community_user_ban_form)
.get_result::<Self>(conn)
}
fn unban(
conn: &PgConnection,
community_user_ban_form: &CommunityUserBanForm,
) -> Result<usize, Error> {
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use crate::schema::community_user_ban::dsl::*;
diesel::delete(
community_user_ban
.filter(community_id.eq(community_user_ban_form.community_id))
.filter(user_id.eq(community_user_ban_form.user_id)),
)
.execute(conn)
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}
}
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#[derive(Identifiable, Queryable, Associations, PartialEq, Debug)]
#[belongs_to(Community)]
#[table_name = "community_follower"]
pub struct CommunityFollower {
pub id: i32,
pub community_id: i32,
pub user_id: i32,
pub published: chrono::NaiveDateTime,
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}
#[derive(Insertable, AsChangeset, Clone)]
#[table_name = "community_follower"]
pub struct CommunityFollowerForm {
pub community_id: i32,
pub user_id: i32,
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}
impl Followable<CommunityFollowerForm> for CommunityFollower {
fn follow(
conn: &PgConnection,
community_follower_form: &CommunityFollowerForm,
) -> Result<Self, Error> {
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use crate::schema::community_follower::dsl::*;
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insert_into(community_follower)
.values(community_follower_form)
.get_result::<Self>(conn)
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}
fn unfollow(
conn: &PgConnection,
community_follower_form: &CommunityFollowerForm,
) -> Result<usize, Error> {
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use crate::schema::community_follower::dsl::*;
diesel::delete(
community_follower
.filter(community_id.eq(&community_follower_form.community_id))
.filter(user_id.eq(&community_follower_form.user_id)),
)
.execute(conn)
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}
}
#[cfg(test)]
mod tests {
use crate::{community::*, tests::establish_unpooled_connection, user::*, ListingType, SortType};
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#[test]
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fn test_crud() {
let conn = establish_unpooled_connection();
let new_user = UserForm {
name: "bobbee".into(),
preferred_username: None,
password_encrypted: "nope".into(),
email: None,
matrix_user_id: None,
avatar: None,
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admin: false,
banned: false,
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updated: None,
show_nsfw: false,
theme: "darkly".into(),
default_sort_type: SortType::Hot as i16,
default_listing_type: ListingType::Subscribed as i16,
lang: "browser".into(),
show_avatars: true,
send_notifications_to_email: false,
actor_id: "changeme_8266238".into(),
bio: None,
local: true,
private_key: None,
public_key: None,
last_refreshed_at: None,
};
let inserted_user = User_::create(&conn, &new_user).unwrap();
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let new_community = CommunityForm {
name: "TIL".into(),
creator_id: inserted_user.id,
title: "nada".to_owned(),
description: None,
category_id: 1,
nsfw: false,
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removed: None,
deleted: None,
updated: None,
actor_id: "changeme_7625376".into(),
local: true,
private_key: None,
public_key: None,
last_refreshed_at: None,
published: None,
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};
let inserted_community = Community::create(&conn, &new_community).unwrap();
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let expected_community = Community {
id: inserted_community.id,
creator_id: inserted_user.id,
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name: "TIL".into(),
title: "nada".to_owned(),
description: None,
category_id: 1,
nsfw: false,
removed: false,
deleted: false,
published: inserted_community.published,
updated: None,
actor_id: inserted_community.actor_id.to_owned(),
local: true,
private_key: None,
public_key: None,
last_refreshed_at: inserted_community.published,
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};
let community_follower_form = CommunityFollowerForm {
community_id: inserted_community.id,
user_id: inserted_user.id,
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};
let inserted_community_follower =
CommunityFollower::follow(&conn, &community_follower_form).unwrap();
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let expected_community_follower = CommunityFollower {
id: inserted_community_follower.id,
community_id: inserted_community.id,
user_id: inserted_user.id,
published: inserted_community_follower.published,
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};
let community_user_form = CommunityModeratorForm {
community_id: inserted_community.id,
user_id: inserted_user.id,
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};
let inserted_community_user = CommunityModerator::join(&conn, &community_user_form).unwrap();
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let expected_community_user = CommunityModerator {
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id: inserted_community_user.id,
community_id: inserted_community.id,
user_id: inserted_user.id,
published: inserted_community_user.published,
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};
let community_user_ban_form = CommunityUserBanForm {
community_id: inserted_community.id,
user_id: inserted_user.id,
};
let inserted_community_user_ban =
CommunityUserBan::ban(&conn, &community_user_ban_form).unwrap();
let expected_community_user_ban = CommunityUserBan {
id: inserted_community_user_ban.id,
community_id: inserted_community.id,
user_id: inserted_user.id,
published: inserted_community_user_ban.published,
};
let read_community = Community::read(&conn, inserted_community.id).unwrap();
let updated_community =
Community::update(&conn, inserted_community.id, &new_community).unwrap();
let ignored_community = CommunityFollower::unfollow(&conn, &community_follower_form).unwrap();
let left_community = CommunityModerator::leave(&conn, &community_user_form).unwrap();
let unban = CommunityUserBan::unban(&conn, &community_user_ban_form).unwrap();
let num_deleted = Community::delete(&conn, inserted_community.id).unwrap();
User_::delete(&conn, inserted_user.id).unwrap();
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assert_eq!(expected_community, read_community);
assert_eq!(expected_community, inserted_community);
assert_eq!(expected_community, updated_community);
assert_eq!(expected_community_follower, inserted_community_follower);
assert_eq!(expected_community_user, inserted_community_user);
assert_eq!(expected_community_user_ban, inserted_community_user_ban);
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assert_eq!(1, ignored_community);
assert_eq!(1, left_community);
assert_eq!(1, unban);
// assert_eq!(2, loaded_count);
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assert_eq!(1, num_deleted);
}
}