lemmy/server/src/api/community.rs

923 lines
25 KiB
Rust
Raw Normal View History

2019-05-05 05:20:38 +00:00
use super::*;
2020-05-16 14:04:08 +00:00
use crate::{
api::{is_admin, is_mod_or_admin, APIError, Oper, Perform},
apub::ActorType,
blocking,
2020-05-16 14:04:08 +00:00
websocket::{
server::{JoinCommunityRoom, SendCommunityRoomMessage},
UserOperation,
WebsocketInfo,
},
DbPool,
};
use lemmy_db::{
diesel_option_overwrite,
naive_now,
Bannable,
Crud,
Followable,
Joinable,
SortType,
};
use lemmy_utils::{
generate_actor_keypair,
is_valid_community_name,
make_apub_endpoint,
naive_from_unix,
EndpointType,
2020-05-16 14:04:08 +00:00
};
use serde::{Deserialize, Serialize};
use std::str::FromStr;
2019-05-05 05:20:38 +00:00
#[derive(Serialize, Deserialize)]
pub struct GetCommunity {
id: Option<i32>,
pub name: Option<String>,
auth: Option<String>,
2019-05-05 05:20:38 +00:00
}
#[derive(Serialize, Deserialize)]
pub struct GetCommunityResponse {
pub community: CommunityView,
pub moderators: Vec<CommunityModeratorView>,
pub online: usize,
2019-05-05 05:20:38 +00:00
}
#[derive(Serialize, Deserialize)]
pub struct CreateCommunity {
name: String,
title: String,
description: Option<String>,
icon: Option<String>,
banner: Option<String>,
category_id: i32,
nsfw: bool,
auth: String,
2019-05-05 05:20:38 +00:00
}
#[derive(Serialize, Deserialize, Clone)]
pub struct CommunityResponse {
pub community: CommunityView,
2019-05-05 05:20:38 +00:00
}
#[derive(Serialize, Deserialize, Debug)]
2019-05-05 05:20:38 +00:00
pub struct ListCommunities {
pub sort: String,
pub page: Option<i64>,
pub limit: Option<i64>,
pub auth: Option<String>,
2019-05-05 05:20:38 +00:00
}
#[derive(Serialize, Deserialize, Debug)]
2019-05-05 05:20:38 +00:00
pub struct ListCommunitiesResponse {
pub communities: Vec<CommunityView>,
2019-05-05 05:20:38 +00:00
}
2019-05-05 16:20:30 +00:00
#[derive(Serialize, Deserialize, Clone)]
2019-05-05 05:20:38 +00:00
pub struct BanFromCommunity {
pub community_id: i32,
user_id: i32,
ban: bool,
reason: Option<String>,
expires: Option<i64>,
auth: String,
2019-05-05 05:20:38 +00:00
}
#[derive(Serialize, Deserialize, Clone)]
2019-05-05 05:20:38 +00:00
pub struct BanFromCommunityResponse {
user: UserView,
banned: bool,
}
#[derive(Serialize, Deserialize)]
pub struct AddModToCommunity {
pub community_id: i32,
user_id: i32,
added: bool,
auth: String,
2019-05-05 05:20:38 +00:00
}
#[derive(Serialize, Deserialize, Clone)]
2019-05-05 05:20:38 +00:00
pub struct AddModToCommunityResponse {
moderators: Vec<CommunityModeratorView>,
}
#[derive(Serialize, Deserialize)]
pub struct EditCommunity {
pub edit_id: i32,
title: String,
description: Option<String>,
icon: Option<String>,
banner: Option<String>,
2019-05-05 05:20:38 +00:00
category_id: i32,
nsfw: bool,
2020-07-20 17:37:39 +00:00
auth: String,
}
#[derive(Serialize, Deserialize)]
pub struct DeleteCommunity {
pub edit_id: i32,
deleted: bool,
auth: String,
}
#[derive(Serialize, Deserialize)]
pub struct RemoveCommunity {
pub edit_id: i32,
removed: bool,
2019-05-05 05:20:38 +00:00
reason: Option<String>,
expires: Option<i64>,
auth: String,
2019-05-05 05:20:38 +00:00
}
#[derive(Serialize, Deserialize)]
pub struct FollowCommunity {
community_id: i32,
follow: bool,
auth: String,
2019-05-05 05:20:38 +00:00
}
#[derive(Serialize, Deserialize)]
pub struct GetFollowedCommunities {
auth: String,
2019-05-05 05:20:38 +00:00
}
#[derive(Serialize, Deserialize)]
pub struct GetFollowedCommunitiesResponse {
communities: Vec<CommunityFollowerView>,
2019-05-05 05:20:38 +00:00
}
#[derive(Serialize, Deserialize)]
pub struct TransferCommunity {
community_id: i32,
user_id: i32,
auth: String,
}
#[async_trait::async_trait(?Send)]
impl Perform for Oper<GetCommunity> {
type Response = GetCommunityResponse;
async fn perform(
&self,
pool: &DbPool,
websocket_info: Option<WebsocketInfo>,
) -> Result<GetCommunityResponse, LemmyError> {
2019-05-05 16:20:30 +00:00
let data: &GetCommunity = &self.data;
let user = get_user_from_jwt_opt(&data.auth, pool).await?;
let user_id = user.map(|u| u.id);
2019-05-05 05:20:38 +00:00
let name = data.name.to_owned().unwrap_or_else(|| "main".to_string());
let community = match data.id {
Some(id) => blocking(pool, move |conn| Community::read(conn, id)).await??,
None => match blocking(pool, move |conn| Community::read_from_name(conn, &name)).await? {
Ok(community) => community,
Err(_e) => return Err(APIError::err("couldnt_find_community").into()),
},
2019-05-05 05:20:38 +00:00
};
let community_id = community.id;
let community_view = match blocking(pool, move |conn| {
CommunityView::read(conn, community_id, user_id)
})
.await?
{
2019-05-05 05:20:38 +00:00
Ok(community) => community,
2020-01-16 14:39:08 +00:00
Err(_e) => return Err(APIError::err("couldnt_find_community").into()),
2019-05-05 05:20:38 +00:00
};
let community_id = community.id;
let moderators: Vec<CommunityModeratorView> = match blocking(pool, move |conn| {
CommunityModeratorView::for_community(conn, community_id)
})
.await?
{
2019-05-05 05:20:38 +00:00
Ok(moderators) => moderators,
2020-01-16 14:39:08 +00:00
Err(_e) => return Err(APIError::err("couldnt_find_community").into()),
2019-05-05 05:20:38 +00:00
};
let online = if let Some(ws) = websocket_info {
if let Some(id) = ws.id {
ws.chatserver.do_send(JoinCommunityRoom {
community_id: community.id,
id,
});
}
// TODO
1
// let fut = async {
// ws.chatserver.send(GetCommunityUsersOnline {community_id}).await.unwrap()
// };
// Runtime::new().unwrap().block_on(fut)
} else {
0
};
let res = GetCommunityResponse {
community: community_view,
moderators,
online,
};
// Return the jwt
Ok(res)
2019-05-05 05:20:38 +00:00
}
}
#[async_trait::async_trait(?Send)]
impl Perform for Oper<CreateCommunity> {
type Response = CommunityResponse;
async fn perform(
&self,
pool: &DbPool,
_websocket_info: Option<WebsocketInfo>,
) -> Result<CommunityResponse, LemmyError> {
2019-05-05 16:20:30 +00:00
let data: &CreateCommunity = &self.data;
let user = get_user_from_jwt(&data.auth, pool).await?;
2019-05-05 05:20:38 +00:00
check_slurs(&data.name)?;
check_slurs(&data.title)?;
check_slurs_opt(&data.description)?;
2019-05-05 05:20:38 +00:00
2020-06-20 09:33:23 +00:00
if !is_valid_community_name(&data.name) {
return Err(APIError::err("invalid_community_name").into());
}
// Double check for duplicate community actor_ids
let actor_id = make_apub_endpoint(EndpointType::Community, &data.name).to_string();
let actor_id_cloned = actor_id.to_owned();
let community_dupe = blocking(pool, move |conn| {
Community::read_from_actor_id(conn, &actor_id_cloned)
})
.await?;
if community_dupe.is_ok() {
return Err(APIError::err("community_already_exists").into());
}
2019-05-05 05:20:38 +00:00
// When you create a community, make sure the user becomes a moderator and a follower
2020-04-19 11:44:44 +00:00
let keypair = generate_actor_keypair()?;
2019-05-05 05:20:38 +00:00
let community_form = CommunityForm {
name: data.name.to_owned(),
title: data.title.to_owned(),
description: data.description.to_owned(),
icon: Some(data.icon.to_owned()),
banner: Some(data.banner.to_owned()),
2019-05-05 05:20:38 +00:00
category_id: data.category_id,
creator_id: user.id,
2019-05-05 05:20:38 +00:00
removed: None,
deleted: None,
nsfw: data.nsfw,
2019-05-05 05:20:38 +00:00
updated: None,
actor_id,
local: true,
private_key: Some(keypair.private_key),
public_key: Some(keypair.public_key),
last_refreshed_at: None,
published: None,
2019-05-05 05:20:38 +00:00
};
let inserted_community =
match blocking(pool, move |conn| Community::create(conn, &community_form)).await? {
Ok(community) => community,
Err(_e) => return Err(APIError::err("community_already_exists").into()),
};
2019-05-05 05:20:38 +00:00
let community_moderator_form = CommunityModeratorForm {
community_id: inserted_community.id,
user_id: user.id,
2019-05-05 05:20:38 +00:00
};
let join = move |conn: &'_ _| CommunityModerator::join(conn, &community_moderator_form);
if blocking(pool, join).await?.is_err() {
return Err(APIError::err("community_moderator_already_exists").into());
}
2019-05-05 05:20:38 +00:00
let community_follower_form = CommunityFollowerForm {
community_id: inserted_community.id,
user_id: user.id,
2019-05-05 05:20:38 +00:00
};
let follow = move |conn: &'_ _| CommunityFollower::follow(conn, &community_follower_form);
if blocking(pool, follow).await?.is_err() {
return Err(APIError::err("community_follower_already_exists").into());
}
2019-05-05 05:20:38 +00:00
let user_id = user.id;
let community_view = blocking(pool, move |conn| {
CommunityView::read(conn, inserted_community.id, Some(user_id))
})
.await??;
2019-05-05 05:20:38 +00:00
Ok(CommunityResponse {
community: community_view,
})
2019-05-05 05:20:38 +00:00
}
}
#[async_trait::async_trait(?Send)]
impl Perform for Oper<EditCommunity> {
type Response = CommunityResponse;
async fn perform(
&self,
pool: &DbPool,
websocket_info: Option<WebsocketInfo>,
) -> Result<CommunityResponse, LemmyError> {
2019-05-05 16:20:30 +00:00
let data: &EditCommunity = &self.data;
let user = get_user_from_jwt(&data.auth, pool).await?;
2019-05-05 05:20:38 +00:00
check_slurs(&data.title)?;
check_slurs_opt(&data.description)?;
2019-05-05 05:20:38 +00:00
2020-07-20 17:37:39 +00:00
// Verify its a mod (only mods can edit it)
let edit_id = data.edit_id;
2020-07-20 17:37:39 +00:00
let mods: Vec<i32> = blocking(pool, move |conn| {
CommunityModeratorView::for_community(conn, edit_id)
.map(|v| v.into_iter().map(|m| m.user_id).collect())
})
.await??;
if !mods.contains(&user.id) {
2020-07-20 17:37:39 +00:00
return Err(APIError::err("not_a_moderator").into());
2019-05-05 05:20:38 +00:00
}
let edit_id = data.edit_id;
let read_community = blocking(pool, move |conn| Community::read(conn, edit_id)).await??;
let icon = diesel_option_overwrite(&data.icon);
let banner = diesel_option_overwrite(&data.banner);
2019-05-05 05:20:38 +00:00
let community_form = CommunityForm {
name: read_community.name,
2019-05-05 05:20:38 +00:00
title: data.title.to_owned(),
description: data.description.to_owned(),
icon,
banner,
2019-05-05 05:20:38 +00:00
category_id: data.category_id.to_owned(),
creator_id: read_community.creator_id,
2020-07-20 17:37:39 +00:00
removed: Some(read_community.removed),
deleted: Some(read_community.deleted),
nsfw: data.nsfw,
updated: Some(naive_now()),
actor_id: read_community.actor_id,
local: read_community.local,
private_key: read_community.private_key,
public_key: read_community.public_key,
last_refreshed_at: None,
published: None,
2019-05-05 05:20:38 +00:00
};
let edit_id = data.edit_id;
2020-07-20 17:37:39 +00:00
match blocking(pool, move |conn| {
Community::update(conn, edit_id, &community_form)
})
.await?
{
2019-05-05 05:20:38 +00:00
Ok(community) => community,
2020-01-16 14:39:08 +00:00
Err(_e) => return Err(APIError::err("couldnt_update_community").into()),
2019-05-05 05:20:38 +00:00
};
2020-07-20 17:37:39 +00:00
// TODO there needs to be some kind of an apub update
// process for communities and users
let edit_id = data.edit_id;
let user_id = user.id;
2020-07-20 17:37:39 +00:00
let community_view = blocking(pool, move |conn| {
CommunityView::read(conn, edit_id, Some(user_id))
})
.await??;
let res = CommunityResponse {
community: community_view,
};
2020-07-21 17:52:57 +00:00
send_community_websocket(&res, websocket_info, UserOperation::EditCommunity);
2020-04-28 17:46:25 +00:00
2020-07-20 17:37:39 +00:00
Ok(res)
}
}
#[async_trait::async_trait(?Send)]
impl Perform for Oper<DeleteCommunity> {
type Response = CommunityResponse;
async fn perform(
&self,
pool: &DbPool,
websocket_info: Option<WebsocketInfo>,
) -> Result<CommunityResponse, LemmyError> {
let data: &DeleteCommunity = &self.data;
let user = get_user_from_jwt(&data.auth, pool).await?;
2020-07-20 17:37:39 +00:00
// Verify its the creator (only a creator can delete the community)
let edit_id = data.edit_id;
let read_community = blocking(pool, move |conn| Community::read(conn, edit_id)).await??;
if read_community.creator_id != user.id {
2020-07-20 17:37:39 +00:00
return Err(APIError::err("no_community_edit_allowed").into());
}
// Do the delete
let edit_id = data.edit_id;
let deleted = data.deleted;
let updated_community = match blocking(pool, move |conn| {
Community::update_deleted(conn, edit_id, deleted)
})
.await?
{
Ok(community) => community,
Err(_e) => return Err(APIError::err("couldnt_update_community").into()),
};
// Send apub messages
if deleted {
updated_community
.send_delete(&user, &self.client, pool)
.await?;
} else {
updated_community
.send_undo_delete(&user, &self.client, pool)
.await?;
2019-05-05 05:20:38 +00:00
}
let edit_id = data.edit_id;
let user_id = user.id;
let community_view = blocking(pool, move |conn| {
CommunityView::read(conn, edit_id, Some(user_id))
})
.await??;
2019-05-05 05:20:38 +00:00
let res = CommunityResponse {
community: community_view,
};
2020-07-21 17:52:57 +00:00
send_community_websocket(&res, websocket_info, UserOperation::DeleteCommunity);
2020-07-20 17:37:39 +00:00
Ok(res)
}
}
#[async_trait::async_trait(?Send)]
impl Perform for Oper<RemoveCommunity> {
type Response = CommunityResponse;
async fn perform(
&self,
pool: &DbPool,
websocket_info: Option<WebsocketInfo>,
) -> Result<CommunityResponse, LemmyError> {
let data: &RemoveCommunity = &self.data;
let user = get_user_from_jwt(&data.auth, pool).await?;
2020-07-20 17:37:39 +00:00
// Verify its an admin (only an admin can remove a community)
is_admin(pool, user.id).await?;
2020-07-20 17:37:39 +00:00
// Do the remove
let edit_id = data.edit_id;
let removed = data.removed;
let updated_community = match blocking(pool, move |conn| {
Community::update_removed(conn, edit_id, removed)
})
.await?
{
Ok(community) => community,
Err(_e) => return Err(APIError::err("couldnt_update_community").into()),
};
// Mod tables
let expires = match data.expires {
Some(time) => Some(naive_from_unix(time)),
None => None,
};
let form = ModRemoveCommunityForm {
mod_user_id: user.id,
2020-07-20 17:37:39 +00:00
community_id: data.edit_id,
removed: Some(removed),
reason: data.reason.to_owned(),
expires,
};
blocking(pool, move |conn| ModRemoveCommunity::create(conn, &form)).await??;
// Apub messages
if removed {
updated_community
.send_remove(&user, &self.client, pool)
.await?;
} else {
updated_community
.send_undo_remove(&user, &self.client, pool)
.await?;
}
let edit_id = data.edit_id;
let user_id = user.id;
2020-07-20 17:37:39 +00:00
let community_view = blocking(pool, move |conn| {
CommunityView::read(conn, edit_id, Some(user_id))
})
.await??;
let res = CommunityResponse {
community: community_view,
};
2020-07-21 17:52:57 +00:00
send_community_websocket(&res, websocket_info, UserOperation::RemoveCommunity);
Ok(res)
2019-05-05 05:20:38 +00:00
}
}
#[async_trait::async_trait(?Send)]
impl Perform for Oper<ListCommunities> {
type Response = ListCommunitiesResponse;
async fn perform(
&self,
pool: &DbPool,
_websocket_info: Option<WebsocketInfo>,
) -> Result<ListCommunitiesResponse, LemmyError> {
2019-05-05 16:20:30 +00:00
let data: &ListCommunities = &self.data;
let user = get_user_from_jwt_opt(&data.auth, pool).await?;
let user_id = match &user {
Some(user) => Some(user.id),
None => None,
};
let show_nsfw = match &user {
Some(user) => user.show_nsfw,
None => false,
};
2019-05-05 05:20:38 +00:00
let sort = SortType::from_str(&data.sort)?;
let page = data.page;
let limit = data.limit;
let communities = blocking(pool, move |conn| {
CommunityQueryBuilder::create(conn)
.sort(&sort)
.for_user(user_id)
.show_nsfw(show_nsfw)
.page(page)
.limit(limit)
.list()
})
.await??;
2019-05-05 05:20:38 +00:00
// Return the jwt
2020-01-16 14:39:08 +00:00
Ok(ListCommunitiesResponse { communities })
2019-05-05 05:20:38 +00:00
}
}
#[async_trait::async_trait(?Send)]
impl Perform for Oper<FollowCommunity> {
type Response = CommunityResponse;
async fn perform(
&self,
pool: &DbPool,
_websocket_info: Option<WebsocketInfo>,
) -> Result<CommunityResponse, LemmyError> {
2019-05-05 16:20:30 +00:00
let data: &FollowCommunity = &self.data;
let user = get_user_from_jwt(&data.auth, pool).await?;
2019-05-05 05:20:38 +00:00
let community_id = data.community_id;
let community = blocking(pool, move |conn| Community::read(conn, community_id)).await??;
2020-05-04 02:41:45 +00:00
let community_follower_form = CommunityFollowerForm {
community_id: data.community_id,
user_id: user.id,
2020-05-04 02:41:45 +00:00
};
2020-04-14 15:37:23 +00:00
2020-05-04 02:41:45 +00:00
if community.local {
2020-04-14 15:37:23 +00:00
if data.follow {
let follow = move |conn: &'_ _| CommunityFollower::follow(conn, &community_follower_form);
if blocking(pool, follow).await?.is_err() {
return Err(APIError::err("community_follower_already_exists").into());
}
2020-04-14 15:37:23 +00:00
} else {
let unfollow =
move |conn: &'_ _| CommunityFollower::unfollow(conn, &community_follower_form);
if blocking(pool, unfollow).await?.is_err() {
return Err(APIError::err("community_follower_already_exists").into());
}
2020-04-14 15:37:23 +00:00
}
} else if data.follow {
// Dont actually add to the community followers here, because you need
// to wait for the accept
user
.send_follow(&community.actor_id, &self.client, pool)
.await?;
2019-05-05 05:20:38 +00:00
} else {
user
.send_unfollow(&community.actor_id, &self.client, pool)
.await?;
let unfollow = move |conn: &'_ _| CommunityFollower::unfollow(conn, &community_follower_form);
if blocking(pool, unfollow).await?.is_err() {
return Err(APIError::err("community_follower_already_exists").into());
2020-05-04 02:41:45 +00:00
}
2019-05-05 05:20:38 +00:00
}
// TODO: this needs to return a "pending" state, until Accept is received from the remote server
2019-05-05 05:20:38 +00:00
let community_id = data.community_id;
let user_id = user.id;
let community_view = blocking(pool, move |conn| {
CommunityView::read(conn, community_id, Some(user_id))
})
.await??;
2019-05-05 05:20:38 +00:00
Ok(CommunityResponse {
community: community_view,
})
2019-05-05 05:20:38 +00:00
}
}
#[async_trait::async_trait(?Send)]
impl Perform for Oper<GetFollowedCommunities> {
type Response = GetFollowedCommunitiesResponse;
async fn perform(
&self,
pool: &DbPool,
_websocket_info: Option<WebsocketInfo>,
) -> Result<GetFollowedCommunitiesResponse, LemmyError> {
2019-05-05 16:20:30 +00:00
let data: &GetFollowedCommunities = &self.data;
let user = get_user_from_jwt(&data.auth, pool).await?;
2019-05-05 05:20:38 +00:00
let user_id = user.id;
let communities = match blocking(pool, move |conn| {
CommunityFollowerView::for_user(conn, user_id)
})
.await?
{
Ok(communities) => communities,
_ => return Err(APIError::err("system_err_login").into()),
};
2019-05-05 05:20:38 +00:00
// Return the jwt
2020-01-16 14:39:08 +00:00
Ok(GetFollowedCommunitiesResponse { communities })
2019-05-05 05:20:38 +00:00
}
}
#[async_trait::async_trait(?Send)]
impl Perform for Oper<BanFromCommunity> {
type Response = BanFromCommunityResponse;
async fn perform(
&self,
pool: &DbPool,
websocket_info: Option<WebsocketInfo>,
) -> Result<BanFromCommunityResponse, LemmyError> {
2019-05-05 16:20:30 +00:00
let data: &BanFromCommunity = &self.data;
let user = get_user_from_jwt(&data.auth, pool).await?;
2019-05-05 05:20:38 +00:00
let community_id = data.community_id;
// Verify that only mods or admins can ban
is_mod_or_admin(pool, user.id, community_id).await?;
2019-05-05 05:20:38 +00:00
let community_user_ban_form = CommunityUserBanForm {
community_id: data.community_id,
user_id: data.user_id,
};
if data.ban {
let ban = move |conn: &'_ _| CommunityUserBan::ban(conn, &community_user_ban_form);
if blocking(pool, ban).await?.is_err() {
return Err(APIError::err("community_user_already_banned").into());
}
2019-05-05 05:20:38 +00:00
} else {
let unban = move |conn: &'_ _| CommunityUserBan::unban(conn, &community_user_ban_form);
if blocking(pool, unban).await?.is_err() {
return Err(APIError::err("community_user_already_banned").into());
}
2019-05-05 05:20:38 +00:00
}
// Mod tables
2020-07-21 17:52:57 +00:00
// TODO eventually do correct expires
2019-05-05 05:20:38 +00:00
let expires = match data.expires {
Some(time) => Some(naive_from_unix(time)),
None => None,
2019-05-05 05:20:38 +00:00
};
let form = ModBanFromCommunityForm {
mod_user_id: user.id,
2019-05-05 05:20:38 +00:00
other_user_id: data.user_id,
community_id: data.community_id,
reason: data.reason.to_owned(),
banned: Some(data.ban),
expires,
2019-05-05 05:20:38 +00:00
};
blocking(pool, move |conn| ModBanFromCommunity::create(conn, &form)).await??;
2019-05-05 05:20:38 +00:00
let user_id = data.user_id;
let user_view = blocking(pool, move |conn| UserView::get_user_secure(conn, user_id)).await??;
2019-05-05 05:20:38 +00:00
let res = BanFromCommunityResponse {
user: user_view,
banned: data.ban,
};
if let Some(ws) = websocket_info {
ws.chatserver.do_send(SendCommunityRoomMessage {
op: UserOperation::BanFromCommunity,
response: res.clone(),
community_id: data.community_id,
my_id: ws.id,
});
}
Ok(res)
2019-05-05 05:20:38 +00:00
}
}
#[async_trait::async_trait(?Send)]
impl Perform for Oper<AddModToCommunity> {
type Response = AddModToCommunityResponse;
async fn perform(
&self,
pool: &DbPool,
websocket_info: Option<WebsocketInfo>,
) -> Result<AddModToCommunityResponse, LemmyError> {
2019-05-05 16:20:30 +00:00
let data: &AddModToCommunity = &self.data;
let user = get_user_from_jwt(&data.auth, pool).await?;
2019-05-05 05:20:38 +00:00
let community_moderator_form = CommunityModeratorForm {
community_id: data.community_id,
user_id: data.user_id,
2019-05-05 05:20:38 +00:00
};
let community_id = data.community_id;
// Verify that only mods or admins can add mod
is_mod_or_admin(pool, user.id, community_id).await?;
2019-05-05 05:20:38 +00:00
if data.added {
let join = move |conn: &'_ _| CommunityModerator::join(conn, &community_moderator_form);
if blocking(pool, join).await?.is_err() {
return Err(APIError::err("community_moderator_already_exists").into());
}
2019-05-05 05:20:38 +00:00
} else {
let leave = move |conn: &'_ _| CommunityModerator::leave(conn, &community_moderator_form);
if blocking(pool, leave).await?.is_err() {
return Err(APIError::err("community_moderator_already_exists").into());
}
2019-05-05 05:20:38 +00:00
}
// Mod tables
let form = ModAddCommunityForm {
mod_user_id: user.id,
2019-05-05 05:20:38 +00:00
other_user_id: data.user_id,
community_id: data.community_id,
removed: Some(!data.added),
};
blocking(pool, move |conn| ModAddCommunity::create(conn, &form)).await??;
2019-05-05 05:20:38 +00:00
let community_id = data.community_id;
let moderators = blocking(pool, move |conn| {
CommunityModeratorView::for_community(conn, community_id)
})
.await??;
2019-05-05 05:20:38 +00:00
let res = AddModToCommunityResponse { moderators };
if let Some(ws) = websocket_info {
ws.chatserver.do_send(SendCommunityRoomMessage {
op: UserOperation::AddModToCommunity,
response: res.clone(),
community_id: data.community_id,
my_id: ws.id,
});
}
Ok(res)
2019-05-05 05:20:38 +00:00
}
}
#[async_trait::async_trait(?Send)]
impl Perform for Oper<TransferCommunity> {
type Response = GetCommunityResponse;
async fn perform(
&self,
pool: &DbPool,
_websocket_info: Option<WebsocketInfo>,
) -> Result<GetCommunityResponse, LemmyError> {
let data: &TransferCommunity = &self.data;
let user = get_user_from_jwt(&data.auth, pool).await?;
let community_id = data.community_id;
let read_community = blocking(pool, move |conn| Community::read(conn, community_id)).await??;
let site_creator_id =
blocking(pool, move |conn| Site::read(conn, 1).map(|s| s.creator_id)).await??;
let mut admins = blocking(pool, move |conn| UserView::admins(conn)).await??;
let creator_index = admins.iter().position(|r| r.id == site_creator_id).unwrap();
let creator_user = admins.remove(creator_index);
admins.insert(0, creator_user);
// Make sure user is the creator, or an admin
if user.id != read_community.creator_id && !admins.iter().map(|a| a.id).any(|x| x == user.id) {
2020-01-16 14:39:08 +00:00
return Err(APIError::err("not_an_admin").into());
}
let community_id = data.community_id;
2020-07-20 17:37:39 +00:00
let new_creator = data.user_id;
let update = move |conn: &'_ _| Community::update_creator(conn, community_id, new_creator);
if blocking(pool, update).await?.is_err() {
return Err(APIError::err("couldnt_update_community").into());
};
// You also have to re-do the community_moderator table, reordering it.
let community_id = data.community_id;
let mut community_mods = blocking(pool, move |conn| {
CommunityModeratorView::for_community(conn, community_id)
})
.await??;
let creator_index = community_mods
.iter()
.position(|r| r.user_id == data.user_id)
.unwrap();
let creator_user = community_mods.remove(creator_index);
community_mods.insert(0, creator_user);
let community_id = data.community_id;
blocking(pool, move |conn| {
CommunityModerator::delete_for_community(conn, community_id)
})
.await??;
// TODO: this should probably be a bulk operation
for cmod in &community_mods {
let community_moderator_form = CommunityModeratorForm {
community_id: cmod.community_id,
user_id: cmod.user_id,
};
let join = move |conn: &'_ _| CommunityModerator::join(conn, &community_moderator_form);
if blocking(pool, join).await?.is_err() {
return Err(APIError::err("community_moderator_already_exists").into());
}
}
// Mod tables
let form = ModAddCommunityForm {
mod_user_id: user.id,
other_user_id: data.user_id,
community_id: data.community_id,
removed: Some(false),
};
blocking(pool, move |conn| ModAddCommunity::create(conn, &form)).await??;
let community_id = data.community_id;
let user_id = user.id;
let community_view = match blocking(pool, move |conn| {
CommunityView::read(conn, community_id, Some(user_id))
})
.await?
{
Ok(community) => community,
2020-01-16 14:39:08 +00:00
Err(_e) => return Err(APIError::err("couldnt_find_community").into()),
};
let community_id = data.community_id;
let moderators = match blocking(pool, move |conn| {
CommunityModeratorView::for_community(conn, community_id)
})
.await?
{
Ok(moderators) => moderators,
2020-01-16 14:39:08 +00:00
Err(_e) => return Err(APIError::err("couldnt_find_community").into()),
};
// Return the jwt
Ok(GetCommunityResponse {
community: community_view,
moderators,
online: 0,
})
}
}
2020-07-21 17:52:57 +00:00
pub fn send_community_websocket(
res: &CommunityResponse,
websocket_info: Option<WebsocketInfo>,
op: UserOperation,
) {
if let Some(ws) = websocket_info {
// Strip out the user id and subscribed when sending to others
let mut res_sent = res.clone();
res_sent.community.user_id = None;
res_sent.community.subscribed = None;
ws.chatserver.do_send(SendCommunityRoomMessage {
op,
response: res_sent,
community_id: res.community.id,
my_id: ws.id,
});
}
}