lemmy/server/src/api/community.rs

580 lines
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Rust
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use super::*;
use std::str::FromStr;
#[derive(Serialize, Deserialize)]
pub struct GetCommunity {
id: Option<i32>,
name: Option<String>,
auth: Option<String>
}
#[derive(Serialize, Deserialize)]
pub struct GetCommunityResponse {
op: String,
community: CommunityView,
moderators: Vec<CommunityModeratorView>,
admins: Vec<UserView>,
}
#[derive(Serialize, Deserialize)]
pub struct CreateCommunity {
name: String,
title: String,
description: Option<String>,
category_id: i32,
nsfw: bool,
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auth: String
}
#[derive(Serialize, Deserialize, Clone)]
pub struct CommunityResponse {
op: String,
pub community: CommunityView
}
#[derive(Serialize, Deserialize)]
pub struct ListCommunities {
sort: String,
page: Option<i64>,
limit: Option<i64>,
auth: Option<String>
}
#[derive(Serialize, Deserialize)]
pub struct ListCommunitiesResponse {
op: String,
communities: Vec<CommunityView>
}
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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
}
#[derive(Serialize, Deserialize)]
pub struct BanFromCommunityResponse {
op: String,
user: UserView,
banned: bool,
}
#[derive(Serialize, Deserialize)]
pub struct AddModToCommunity {
pub community_id: i32,
user_id: i32,
added: bool,
auth: String
}
#[derive(Serialize, Deserialize)]
pub struct AddModToCommunityResponse {
op: String,
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
}
#[derive(Serialize, Deserialize)]
pub struct FollowCommunity {
community_id: i32,
follow: bool,
auth: String
}
#[derive(Serialize, Deserialize)]
pub struct GetFollowedCommunities {
auth: String
}
#[derive(Serialize, Deserialize)]
pub struct GetFollowedCommunitiesResponse {
op: String,
communities: Vec<CommunityFollowerView>
}
impl Perform<GetCommunityResponse> for Oper<GetCommunity> {
fn perform(&self) -> Result<GetCommunityResponse, Error> {
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let data: &GetCommunity = &self.data;
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let conn = establish_connection();
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)
}
Err(_e) => None
}
}
None => None
};
let community_id = match data.id {
Some(id) => id,
None => Community::read_from_name(&conn, data.name.to_owned().unwrap_or("main".to_string()))?.id
};
let community_view = match CommunityView::read(&conn, community_id, user_id) {
Ok(community) => community,
Err(_e) => {
return Err(APIError::err(&self.op, "couldnt_find_community"))?
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}
};
let moderators = match CommunityModeratorView::for_community(&conn, community_id) {
Ok(moderators) => moderators,
Err(_e) => {
return Err(APIError::err(&self.op, "couldnt_find_community"))?
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}
};
let admins = UserView::admins(&conn)?;
// Return the jwt
Ok(
GetCommunityResponse {
op: self.op.to_string(),
community: community_view,
moderators: moderators,
admins: admins,
}
)
}
}
impl Perform<CommunityResponse> for Oper<CreateCommunity> {
fn perform(&self) -> Result<CommunityResponse, Error> {
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let data: &CreateCommunity = &self.data;
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let conn = establish_connection();
let claims = match Claims::decode(&data.auth) {
Ok(claims) => claims.claims,
Err(_e) => {
return Err(APIError::err(&self.op, "not_logged_in"))?
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}
};
if has_slurs(&data.name) ||
has_slurs(&data.title) ||
(data.description.is_some() && has_slurs(&data.description.to_owned().unwrap())) {
return Err(APIError::err(&self.op, "no_slurs"))?
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}
let user_id = claims.id;
// Check for a site ban
if UserView::read(&conn, user_id)?.banned {
return Err(APIError::err(&self.op, "site_ban"))?
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}
// When you create a community, make sure the user becomes a moderator and a follower
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,
};
let inserted_community = match Community::create(&conn, &community_form) {
Ok(community) => community,
Err(_e) => {
return Err(APIError::err(&self.op, "community_already_exists"))?
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}
};
let community_moderator_form = CommunityModeratorForm {
community_id: inserted_community.id,
user_id: user_id
};
let _inserted_community_moderator = match CommunityModerator::join(&conn, &community_moderator_form) {
Ok(user) => user,
Err(_e) => {
return Err(APIError::err(&self.op, "community_moderator_already_exists"))?
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}
};
let community_follower_form = CommunityFollowerForm {
community_id: inserted_community.id,
user_id: user_id
};
let _inserted_community_follower = match CommunityFollower::follow(&conn, &community_follower_form) {
Ok(user) => user,
Err(_e) => {
return Err(APIError::err(&self.op, "community_follower_already_exists"))?
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}
};
let community_view = CommunityView::read(&conn, inserted_community.id, Some(user_id))?;
Ok(
CommunityResponse {
op: self.op.to_string(),
community: community_view
}
)
}
}
impl Perform<CommunityResponse> for Oper<EditCommunity> {
fn perform(&self) -> Result<CommunityResponse, Error> {
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let data: &EditCommunity = &self.data;
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if has_slurs(&data.name) || has_slurs(&data.title) {
return Err(APIError::err(&self.op, "no_slurs"))?
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}
let conn = establish_connection();
let claims = match Claims::decode(&data.auth) {
Ok(claims) => claims.claims,
Err(_e) => {
return Err(APIError::err(&self.op, "not_logged_in"))?
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}
};
let user_id = claims.id;
// Check for a site ban
if UserView::read(&conn, user_id)?.banned {
return Err(APIError::err(&self.op, "site_ban"))?
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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()
);
if !editors.contains(&user_id) {
return Err(APIError::err(&self.op, "no_community_edit_allowed"))?
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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,
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updated: Some(naive_now())
};
let _updated_community = match Community::update(&conn, data.edit_id, &community_form) {
Ok(community) => community,
Err(_e) => {
return Err(APIError::err(&self.op, "couldnt_update_community"))?
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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
};
let form = ModRemoveCommunityForm {
mod_user_id: user_id,
community_id: data.edit_id,
removed: Some(removed),
reason: data.reason.to_owned(),
expires: expires
};
ModRemoveCommunity::create(&conn, &form)?;
}
let community_view = CommunityView::read(&conn, data.edit_id, Some(user_id))?;
Ok(
CommunityResponse {
op: self.op.to_string(),
community: community_view
}
)
}
}
impl Perform<ListCommunitiesResponse> for Oper<ListCommunities> {
fn perform(&self) -> Result<ListCommunitiesResponse, Error> {
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let data: &ListCommunities = &self.data;
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let conn = establish_connection();
let user_claims: Option<Claims> = match &data.auth {
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Some(auth) => {
match Claims::decode(&auth) {
Ok(claims) => {
Some(claims.claims)
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}
Err(_e) => None
}
}
None => None
};
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 communities: Vec<CommunityView> = CommunityView::list(
&conn,
&sort,
user_id,
show_nsfw,
None,
data.page,
data.limit)?;
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// Return the jwt
Ok(
ListCommunitiesResponse {
op: self.op.to_string(),
communities: communities
}
)
}
}
impl Perform<CommunityResponse> for Oper<FollowCommunity> {
fn perform(&self) -> Result<CommunityResponse, Error> {
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let data: &FollowCommunity = &self.data;
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let conn = establish_connection();
let claims = match Claims::decode(&data.auth) {
Ok(claims) => claims.claims,
Err(_e) => {
return Err(APIError::err(&self.op, "not_logged_in"))?
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}
};
let user_id = claims.id;
let community_follower_form = CommunityFollowerForm {
community_id: data.community_id,
user_id: user_id
};
if data.follow {
match CommunityFollower::follow(&conn, &community_follower_form) {
Ok(user) => user,
Err(_e) => {
return Err(APIError::err(&self.op, "community_follower_already_exists"))?
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}
};
} else {
match CommunityFollower::ignore(&conn, &community_follower_form) {
Ok(user) => user,
Err(_e) => {
return Err(APIError::err(&self.op, "community_follower_already_exists"))?
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}
};
}
let community_view = CommunityView::read(&conn, data.community_id, Some(user_id))?;
Ok(
CommunityResponse {
op: self.op.to_string(),
community: community_view
}
)
}
}
impl Perform<GetFollowedCommunitiesResponse> for Oper<GetFollowedCommunities> {
fn perform(&self) -> Result<GetFollowedCommunitiesResponse, Error> {
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let data: &GetFollowedCommunities = &self.data;
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let conn = establish_connection();
let claims = match Claims::decode(&data.auth) {
Ok(claims) => claims.claims,
Err(_e) => {
return Err(APIError::err(&self.op, "not_logged_in"))?
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}
};
let user_id = claims.id;
let communities: Vec<CommunityFollowerView> = match CommunityFollowerView::for_user(&conn, user_id) {
Ok(communities) => communities,
Err(_e) => {
return Err(APIError::err(&self.op, "system_err_login"))?
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}
};
// Return the jwt
Ok(
GetFollowedCommunitiesResponse {
op: self.op.to_string(),
communities: communities
}
)
}
}
impl Perform<BanFromCommunityResponse> for Oper<BanFromCommunity> {
fn perform(&self) -> Result<BanFromCommunityResponse, Error> {
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let data: &BanFromCommunity = &self.data;
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let conn = establish_connection();
let claims = match Claims::decode(&data.auth) {
Ok(claims) => claims.claims,
Err(_e) => {
return Err(APIError::err(&self.op, "not_logged_in"))?
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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,
};
if data.ban {
match CommunityUserBan::ban(&conn, &community_user_ban_form) {
Ok(user) => user,
Err(_e) => {
return Err(APIError::err(&self.op, "community_user_already_banned"))?
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}
};
} else {
match CommunityUserBan::unban(&conn, &community_user_ban_form) {
Ok(user) => user,
Err(_e) => {
return Err(APIError::err(&self.op, "community_user_already_banned"))?
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}
};
}
// Mod tables
let expires = match data.expires {
Some(time) => Some(naive_from_unix(time)),
None => None
};
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: expires,
};
ModBanFromCommunity::create(&conn, &form)?;
let user_view = UserView::read(&conn, data.user_id)?;
Ok(
BanFromCommunityResponse {
op: self.op.to_string(),
user: user_view,
banned: data.ban
}
)
}
}
impl Perform<AddModToCommunityResponse> for Oper<AddModToCommunity> {
fn perform(&self) -> Result<AddModToCommunityResponse, Error> {
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let data: &AddModToCommunity = &self.data;
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let conn = establish_connection();
let claims = match Claims::decode(&data.auth) {
Ok(claims) => claims.claims,
Err(_e) => {
return Err(APIError::err(&self.op, "not_logged_in"))?
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}
};
let user_id = claims.id;
let community_moderator_form = CommunityModeratorForm {
community_id: data.community_id,
user_id: data.user_id
};
if data.added {
match CommunityModerator::join(&conn, &community_moderator_form) {
Ok(user) => user,
Err(_e) => {
return Err(APIError::err(&self.op, "community_moderator_already_exists"))?
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}
};
} else {
match CommunityModerator::leave(&conn, &community_moderator_form) {
Ok(user) => user,
Err(_e) => {
return Err(APIError::err(&self.op, "community_moderator_already_exists"))?
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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)?;
Ok(
AddModToCommunityResponse {
op: self.op.to_string(),
moderators: moderators,
}
)
}
}