lemmy/server/src/api/community.rs

799 lines
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use super::*;
#[derive(Serialize, Deserialize)]
pub struct GetCommunity {
id: Option<i32>,
pub name: Option<String>,
auth: Option<String>,
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}
#[derive(Serialize, Deserialize)]
pub struct GetCommunityResponse {
pub community: CommunityView,
pub moderators: Vec<CommunityModeratorView>,
pub admins: Vec<UserView>,
pub online: usize,
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}
#[derive(Serialize, Deserialize)]
pub struct CreateCommunity {
name: String,
title: String,
description: Option<String>,
category_id: i32,
nsfw: bool,
auth: String,
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}
#[derive(Serialize, Deserialize, Clone)]
pub struct CommunityResponse {
pub community: CommunityView,
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}
#[derive(Serialize, Deserialize, Debug)]
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pub struct ListCommunities {
pub sort: String,
pub page: Option<i64>,
pub limit: Option<i64>,
pub auth: Option<String>,
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}
#[derive(Serialize, Deserialize, Debug)]
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pub struct ListCommunitiesResponse {
pub communities: Vec<CommunityView>,
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}
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#[derive(Serialize, Deserialize, Clone)]
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pub struct BanFromCommunity {
pub community_id: i32,
user_id: i32,
ban: bool,
reason: Option<String>,
expires: Option<i64>,
auth: String,
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}
#[derive(Serialize, Deserialize, Clone)]
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pub struct BanFromCommunityResponse {
user: UserView,
banned: bool,
}
#[derive(Serialize, Deserialize)]
pub struct AddModToCommunity {
pub community_id: i32,
user_id: i32,
added: bool,
auth: String,
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}
#[derive(Serialize, Deserialize, Clone)]
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pub struct AddModToCommunityResponse {
moderators: Vec<CommunityModeratorView>,
}
#[derive(Serialize, Deserialize)]
pub struct EditCommunity {
pub edit_id: i32,
name: String,
title: String,
description: Option<String>,
category_id: i32,
removed: Option<bool>,
deleted: Option<bool>,
nsfw: bool,
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reason: Option<String>,
expires: Option<i64>,
auth: String,
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}
#[derive(Serialize, Deserialize)]
pub struct FollowCommunity {
community_id: i32,
follow: bool,
auth: String,
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}
#[derive(Serialize, Deserialize)]
pub struct GetFollowedCommunities {
auth: String,
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}
#[derive(Serialize, Deserialize)]
pub struct GetFollowedCommunitiesResponse {
communities: Vec<CommunityFollowerView>,
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}
#[derive(Serialize, Deserialize)]
pub struct TransferCommunity {
community_id: i32,
user_id: i32,
auth: String,
}
impl Perform for Oper<GetCommunity> {
type Response = GetCommunityResponse;
fn perform(
&self,
pool: Pool<ConnectionManager<PgConnection>>,
websocket_info: Option<WebsocketInfo>,
) -> Result<GetCommunityResponse, Error> {
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let data: &GetCommunity = &self.data;
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let user_id: Option<i32> = match &data.auth {
Some(auth) => match Claims::decode(&auth) {
Ok(claims) => {
let user_id = claims.claims.id;
Some(user_id)
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}
Err(_e) => None,
},
None => None,
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};
let conn = pool.get()?;
let community = match data.id {
Some(id) => Community::read(&conn, id)?,
None => {
match Community::read_from_name(
&conn,
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&data.name.to_owned().unwrap_or_else(|| "main".to_string()),
) {
Ok(community) => community,
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Err(_e) => return Err(APIError::err("couldnt_find_community").into()),
}
}
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};
let community_view = match CommunityView::read(&conn, community.id, user_id) {
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Ok(community) => community,
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Err(_e) => return Err(APIError::err("couldnt_find_community").into()),
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};
let moderators = match CommunityModeratorView::for_community(&conn, community.id) {
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Ok(moderators) => moderators,
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Err(_e) => return Err(APIError::err("couldnt_find_community").into()),
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};
let site_creator_id = Site::read(&conn, 1)?.creator_id;
let mut admins = UserView::admins(&conn)?;
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);
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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,
admins,
online,
};
// Return the jwt
Ok(res)
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}
}
impl Perform for Oper<CreateCommunity> {
type Response = CommunityResponse;
fn perform(
&self,
pool: Pool<ConnectionManager<PgConnection>>,
_websocket_info: Option<WebsocketInfo>,
) -> Result<CommunityResponse, Error> {
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let data: &CreateCommunity = &self.data;
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let claims = match Claims::decode(&data.auth) {
Ok(claims) => claims.claims,
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Err(_e) => return Err(APIError::err("not_logged_in").into()),
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};
if let Err(slurs) = slur_check(&data.name) {
return Err(APIError::err(&slurs_vec_to_str(slurs)).into());
}
if let Err(slurs) = slur_check(&data.title) {
return Err(APIError::err(&slurs_vec_to_str(slurs)).into());
}
if let Some(description) = &data.description {
if let Err(slurs) = slur_check(description) {
return Err(APIError::err(&slurs_vec_to_str(slurs)).into());
}
}
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let user_id = claims.id;
let conn = pool.get()?;
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// Check for a site ban
if UserView::read(&conn, user_id)?.banned {
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return Err(APIError::err("site_ban").into());
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}
// When you create a community, make sure the user becomes a moderator and a follower
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let keypair = generate_actor_keypair()?;
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let community_form = CommunityForm {
name: data.name.to_owned(),
title: data.title.to_owned(),
description: data.description.to_owned(),
category_id: data.category_id,
creator_id: user_id,
removed: None,
deleted: None,
nsfw: data.nsfw,
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updated: None,
actor_id: make_apub_endpoint(EndpointType::Community, &data.name).to_string(),
local: true,
private_key: Some(keypair.private_key),
public_key: Some(keypair.public_key),
last_refreshed_at: None,
published: None,
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};
let inserted_community = match Community::create(&conn, &community_form) {
Ok(community) => community,
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Err(_e) => return Err(APIError::err("community_already_exists").into()),
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};
let community_moderator_form = CommunityModeratorForm {
community_id: inserted_community.id,
user_id,
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};
let _inserted_community_moderator =
match CommunityModerator::join(&conn, &community_moderator_form) {
Ok(user) => user,
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Err(_e) => return Err(APIError::err("community_moderator_already_exists").into()),
};
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let community_follower_form = CommunityFollowerForm {
community_id: inserted_community.id,
user_id,
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};
let _inserted_community_follower =
match CommunityFollower::follow(&conn, &community_follower_form) {
Ok(user) => user,
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Err(_e) => return Err(APIError::err("community_follower_already_exists").into()),
};
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let community_view = CommunityView::read(&conn, inserted_community.id, Some(user_id))?;
Ok(CommunityResponse {
community: community_view,
})
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}
}
impl Perform for Oper<EditCommunity> {
type Response = CommunityResponse;
fn perform(
&self,
pool: Pool<ConnectionManager<PgConnection>>,
websocket_info: Option<WebsocketInfo>,
) -> Result<CommunityResponse, Error> {
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let data: &EditCommunity = &self.data;
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if let Err(slurs) = slur_check(&data.name) {
return Err(APIError::err(&slurs_vec_to_str(slurs)).into());
}
if let Err(slurs) = slur_check(&data.title) {
return Err(APIError::err(&slurs_vec_to_str(slurs)).into());
}
if let Some(description) = &data.description {
if let Err(slurs) = slur_check(description) {
return Err(APIError::err(&slurs_vec_to_str(slurs)).into());
}
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}
let claims = match Claims::decode(&data.auth) {
Ok(claims) => claims.claims,
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Err(_e) => return Err(APIError::err("not_logged_in").into()),
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};
let user_id = claims.id;
let conn = pool.get()?;
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// Check for a site ban
let user = User_::read(&conn, user_id)?;
if user.banned {
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return Err(APIError::err("site_ban").into());
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}
// Verify its a mod
let mut editors: Vec<i32> = Vec::new();
editors.append(
&mut CommunityModeratorView::for_community(&conn, data.edit_id)?
.into_iter()
.map(|m| m.user_id)
.collect(),
);
editors.append(&mut UserView::admins(&conn)?.into_iter().map(|a| a.id).collect());
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if !editors.contains(&user_id) {
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return Err(APIError::err("no_community_edit_allowed").into());
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}
let read_community = Community::read(&conn, data.edit_id)?;
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let community_form = CommunityForm {
name: data.name.to_owned(),
title: data.title.to_owned(),
description: data.description.to_owned(),
category_id: data.category_id.to_owned(),
creator_id: user_id,
removed: data.removed.to_owned(),
deleted: data.deleted.to_owned(),
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,
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};
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let updated_community = match Community::update(&conn, data.edit_id, &community_form) {
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Ok(community) => community,
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Err(_e) => return Err(APIError::err("couldnt_update_community").into()),
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};
// Mod tables
if let Some(removed) = data.removed.to_owned() {
let expires = match data.expires {
Some(time) => Some(naive_from_unix(time)),
None => None,
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};
let form = ModRemoveCommunityForm {
mod_user_id: user_id,
community_id: data.edit_id,
removed: Some(removed),
reason: data.reason.to_owned(),
expires,
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};
ModRemoveCommunity::create(&conn, &form)?;
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}
if let Some(deleted) = data.deleted.to_owned() {
if deleted {
updated_community.send_delete(&user, &conn)?;
} else {
updated_community.send_undo_delete(&user, &conn)?;
}
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} else if let Some(removed) = data.removed.to_owned() {
if removed {
updated_community.send_remove(&user, &conn)?;
} else {
updated_community.send_undo_remove(&user, &conn)?;
}
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}
let community_view = CommunityView::read(&conn, data.edit_id, Some(user_id))?;
let res = CommunityResponse {
community: community_view,
};
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: UserOperation::EditCommunity,
response: res_sent,
community_id: data.edit_id,
my_id: ws.id,
});
}
Ok(res)
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}
}
impl Perform for Oper<ListCommunities> {
type Response = ListCommunitiesResponse;
fn perform(
&self,
pool: Pool<ConnectionManager<PgConnection>>,
_websocket_info: Option<WebsocketInfo>,
) -> Result<ListCommunitiesResponse, Error> {
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let data: &ListCommunities = &self.data;
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let user_claims: Option<Claims> = match &data.auth {
Some(auth) => match Claims::decode(&auth) {
Ok(claims) => Some(claims.claims),
Err(_e) => None,
},
None => None,
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};
let user_id = match &user_claims {
Some(claims) => Some(claims.id),
None => None,
};
let show_nsfw = match &user_claims {
Some(claims) => claims.show_nsfw,
None => false,
};
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let sort = SortType::from_str(&data.sort)?;
let conn = pool.get()?;
let communities = CommunityQueryBuilder::create(&conn)
.sort(&sort)
.for_user(user_id)
.show_nsfw(show_nsfw)
.page(data.page)
.limit(data.limit)
.list()?;
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// Return the jwt
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Ok(ListCommunitiesResponse { communities })
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}
}
impl Perform for Oper<FollowCommunity> {
type Response = CommunityResponse;
fn perform(
&self,
pool: Pool<ConnectionManager<PgConnection>>,
_websocket_info: Option<WebsocketInfo>,
) -> Result<CommunityResponse, Error> {
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let data: &FollowCommunity = &self.data;
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let claims = match Claims::decode(&data.auth) {
Ok(claims) => claims.claims,
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Err(_e) => return Err(APIError::err("not_logged_in").into()),
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};
let user_id = claims.id;
let conn = pool.get()?;
let community = Community::read(&conn, data.community_id)?;
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let community_follower_form = CommunityFollowerForm {
community_id: data.community_id,
user_id,
};
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if community.local {
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if data.follow {
match CommunityFollower::follow(&conn, &community_follower_form) {
Ok(user) => user,
Err(_e) => return Err(APIError::err("community_follower_already_exists").into()),
};
} else {
match CommunityFollower::ignore(&conn, &community_follower_form) {
Ok(user) => user,
Err(_e) => return Err(APIError::err("community_follower_already_exists").into()),
};
}
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} else {
let user = User_::read(&conn, user_id)?;
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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, &conn)?;
} else {
user.send_unfollow(&community.actor_id, &conn)?;
match CommunityFollower::ignore(&conn, &community_follower_form) {
Ok(user) => user,
Err(_e) => return Err(APIError::err("community_follower_already_exists").into()),
};
}
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// TODO: this needs to return a "pending" state, until Accept is received from the remote server
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}
let community_view = CommunityView::read(&conn, data.community_id, Some(user_id))?;
Ok(CommunityResponse {
community: community_view,
})
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}
}
impl Perform for Oper<GetFollowedCommunities> {
type Response = GetFollowedCommunitiesResponse;
fn perform(
&self,
pool: Pool<ConnectionManager<PgConnection>>,
_websocket_info: Option<WebsocketInfo>,
) -> Result<GetFollowedCommunitiesResponse, Error> {
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let data: &GetFollowedCommunities = &self.data;
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let claims = match Claims::decode(&data.auth) {
Ok(claims) => claims.claims,
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Err(_e) => return Err(APIError::err("not_logged_in").into()),
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};
let user_id = claims.id;
let conn = pool.get()?;
let communities: Vec<CommunityFollowerView> =
match CommunityFollowerView::for_user(&conn, user_id) {
Ok(communities) => communities,
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Err(_e) => return Err(APIError::err("system_err_login").into()),
};
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// Return the jwt
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Ok(GetFollowedCommunitiesResponse { communities })
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}
}
impl Perform for Oper<BanFromCommunity> {
type Response = BanFromCommunityResponse;
fn perform(
&self,
pool: Pool<ConnectionManager<PgConnection>>,
websocket_info: Option<WebsocketInfo>,
) -> Result<BanFromCommunityResponse, Error> {
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let data: &BanFromCommunity = &self.data;
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let claims = match Claims::decode(&data.auth) {
Ok(claims) => claims.claims,
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Err(_e) => return Err(APIError::err("not_logged_in").into()),
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};
let user_id = claims.id;
let community_user_ban_form = CommunityUserBanForm {
community_id: data.community_id,
user_id: data.user_id,
};
let conn = pool.get()?;
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if data.ban {
match CommunityUserBan::ban(&conn, &community_user_ban_form) {
Ok(user) => user,
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Err(_e) => return Err(APIError::err("community_user_already_banned").into()),
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};
} else {
match CommunityUserBan::unban(&conn, &community_user_ban_form) {
Ok(user) => user,
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Err(_e) => return Err(APIError::err("community_user_already_banned").into()),
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};
}
// Mod tables
let expires = match data.expires {
Some(time) => Some(naive_from_unix(time)),
None => None,
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};
let form = ModBanFromCommunityForm {
mod_user_id: user_id,
other_user_id: data.user_id,
community_id: data.community_id,
reason: data.reason.to_owned(),
banned: Some(data.ban),
expires,
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};
ModBanFromCommunity::create(&conn, &form)?;
let user_view = UserView::read(&conn, data.user_id)?;
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)
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}
}
impl Perform for Oper<AddModToCommunity> {
type Response = AddModToCommunityResponse;
fn perform(
&self,
pool: Pool<ConnectionManager<PgConnection>>,
websocket_info: Option<WebsocketInfo>,
) -> Result<AddModToCommunityResponse, Error> {
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let data: &AddModToCommunity = &self.data;
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let claims = match Claims::decode(&data.auth) {
Ok(claims) => claims.claims,
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Err(_e) => return Err(APIError::err("not_logged_in").into()),
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};
let user_id = claims.id;
let community_moderator_form = CommunityModeratorForm {
community_id: data.community_id,
user_id: data.user_id,
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};
let conn = pool.get()?;
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if data.added {
match CommunityModerator::join(&conn, &community_moderator_form) {
Ok(user) => user,
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Err(_e) => return Err(APIError::err("community_moderator_already_exists").into()),
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};
} else {
match CommunityModerator::leave(&conn, &community_moderator_form) {
Ok(user) => user,
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Err(_e) => return Err(APIError::err("community_moderator_already_exists").into()),
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};
}
// Mod tables
let form = ModAddCommunityForm {
mod_user_id: user_id,
other_user_id: data.user_id,
community_id: data.community_id,
removed: Some(!data.added),
};
ModAddCommunity::create(&conn, &form)?;
let moderators = CommunityModeratorView::for_community(&conn, data.community_id)?;
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)
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}
}
impl Perform for Oper<TransferCommunity> {
type Response = GetCommunityResponse;
fn perform(
&self,
pool: Pool<ConnectionManager<PgConnection>>,
_websocket_info: Option<WebsocketInfo>,
) -> Result<GetCommunityResponse, Error> {
let data: &TransferCommunity = &self.data;
let claims = match Claims::decode(&data.auth) {
Ok(claims) => claims.claims,
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Err(_e) => return Err(APIError::err("not_logged_in").into()),
};
let user_id = claims.id;
let conn = pool.get()?;
let read_community = Community::read(&conn, data.community_id)?;
let site_creator_id = Site::read(&conn, 1)?.creator_id;
let mut admins = UserView::admins(&conn)?;
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) {
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return Err(APIError::err("not_an_admin").into());
}
let community_form = CommunityForm {
name: read_community.name,
title: read_community.title,
description: read_community.description,
category_id: read_community.category_id,
creator_id: data.user_id, // This makes the new user the community creator
removed: None,
deleted: None,
nsfw: read_community.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,
};
let _updated_community = match Community::update(&conn, data.community_id, &community_form) {
Ok(community) => community,
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Err(_e) => return Err(APIError::err("couldnt_update_community").into()),
};
// You also have to re-do the community_moderator table, reordering it.
let mut community_mods = CommunityModeratorView::for_community(&conn, data.community_id)?;
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);
CommunityModerator::delete_for_community(&conn, data.community_id)?;
for cmod in &community_mods {
let community_moderator_form = CommunityModeratorForm {
community_id: cmod.community_id,
user_id: cmod.user_id,
};
let _inserted_community_moderator =
match CommunityModerator::join(&conn, &community_moderator_form) {
Ok(user) => user,
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Err(_e) => 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),
};
ModAddCommunity::create(&conn, &form)?;
let community_view = match CommunityView::read(&conn, data.community_id, Some(user_id)) {
Ok(community) => community,
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Err(_e) => return Err(APIError::err("couldnt_find_community").into()),
};
let moderators = match CommunityModeratorView::for_community(&conn, data.community_id) {
Ok(moderators) => moderators,
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Err(_e) => return Err(APIError::err("couldnt_find_community").into()),
};
// Return the jwt
Ok(GetCommunityResponse {
community: community_view,
moderators,
admins,
online: 0,
})
}
}