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use super::*;
#[derive(Serialize, Deserialize)]
pub struct CreateComment {
content: String,
parent_id: Option<i32>,
edit_id: Option<i32>, // TODO this isn't used
pub post_id: i32,
auth: String,
}
#[derive(Serialize, Deserialize)]
pub struct EditComment {
content: String,
parent_id: Option<i32>, // TODO why are the parent_id, creator_id, post_id, etc fields required? They aren't going to change
edit_id: i32,
creator_id: i32,
pub post_id: i32,
removed: Option<bool>,
deleted: Option<bool>,
reason: Option<String>,
read: Option<bool>,
auth: String,
}
#[derive(Serialize, Deserialize)]
pub struct SaveComment {
comment_id: i32,
save: bool,
auth: String,
}
#[derive(Serialize, Deserialize, Clone)]
pub struct CommentResponse {
pub comment: CommentView,
pub recipient_ids: Vec<i32>,
}
#[derive(Serialize, Deserialize)]
pub struct CreateCommentLike {
comment_id: i32,
pub post_id: i32,
score: i16,
auth: String,
}
#[derive(Serialize, Deserialize)]
pub struct GetComments {
type_: String,
sort: String,
page: Option<i64>,
limit: Option<i64>,
pub community_id: Option<i32>,
auth: Option<String>,
}
#[derive(Serialize, Deserialize)]
pub struct GetCommentsResponse {
comments: Vec<CommentView>,
}
impl Perform for Oper<CreateComment> {
type Response = CommentResponse;
fn perform(
&self,
pool: Pool<ConnectionManager<PgConnection>>,
websocket_info: Option<WebsocketInfo>,
) -> Result<CommentResponse, Error> {
let data: &CreateComment = &self.data;
let claims = match Claims::decode(&data.auth) {
Ok(claims) => claims.claims,
Err(_e) => return Err(APIError::err("not_logged_in").into()),
};
let user_id = claims.id;
let hostname = &format!("https://{}", Settings::get().hostname);
let conn = pool.get()?;
// Check for a community ban
let post = Post::read(&conn, data.post_id)?;
if CommunityUserBanView::get(&conn, user_id, post.community_id).is_ok() {
return Err(APIError::err("community_ban").into());
}
// Check for a site ban
let user = User_::read(&conn, user_id)?;
if user.banned {
return Err(APIError::err("site_ban").into());
}
let content_slurs_removed = remove_slurs(&data.content.to_owned());
let comment_form = CommentForm {
content: content_slurs_removed,
parent_id: data.parent_id.to_owned(),
post_id: data.post_id,
creator_id: user_id,
removed: None,
deleted: None,
read: None,
published: None,
updated: None,
ap_id: "changeme".into(),
local: true,
};
let inserted_comment = match Comment::create(&conn, &comment_form) {
Ok(comment) => comment,
Err(_e) => return Err(APIError::err("couldnt_create_comment").into()),
};
let updated_comment = match Comment::update_ap_id(&conn, inserted_comment.id) {
Ok(comment) => comment,
Err(_e) => return Err(APIError::err("couldnt_create_comment").into()),
};
updated_comment.send_create(&user, &conn)?;
let mut recipient_ids = Vec::new();
// Scan the comment for user mentions, add those rows
let extracted_usernames = extract_usernames(&comment_form.content);
for username_mention in &extracted_usernames {
if let Ok(mention_user) = User_::read_from_name(&conn, username_mention) {
// You can't mention yourself
// At some point, make it so you can't tag the parent creator either
// This can cause two notifications, one for reply and the other for mention
if mention_user.id != user_id {
recipient_ids.push(mention_user.id);
let user_mention_form = UserMentionForm {
recipient_id: mention_user.id,
comment_id: inserted_comment.id,
read: None,
};
// Allow this to fail softly, since comment edits might re-update or replace it
// Let the uniqueness handle this fail
match UserMention::create(&conn, &user_mention_form) {
Ok(_mention) => (),
Err(_e) => error!("{}", &_e),
};
// Send an email to those users that have notifications on
if mention_user.send_notifications_to_email {
if let Some(mention_email) = mention_user.email {
let subject = &format!(
"{} - Mentioned by {}",
Settings::get().hostname,
claims.username
);
let html = &format!(
"<h1>User Mention</h1><br><div>{} - {}</div><br><a href={}/inbox>inbox</a>",
claims.username, comment_form.content, hostname
);
match send_email(subject, &mention_email, &mention_user.name, html) {
Ok(_o) => _o,
Err(e) => error!("{}", e),
};
}
}
}
}
}
// Send notifs to the parent commenter / poster
match data.parent_id {
Some(parent_id) => {
let parent_comment = Comment::read(&conn, parent_id)?;
if parent_comment.creator_id != user_id {
let parent_user = User_::read(&conn, parent_comment.creator_id)?;
recipient_ids.push(parent_user.id);
if parent_user.send_notifications_to_email {
if let Some(comment_reply_email) = parent_user.email {
let subject = &format!(
"{} - Reply from {}",
Settings::get().hostname,
claims.username
);
let html = &format!(
"<h1>Comment Reply</h1><br><div>{} - {}</div><br><a href={}/inbox>inbox</a>",
claims.username, comment_form.content, hostname
);
match send_email(subject, &comment_reply_email, &parent_user.name, html) {
Ok(_o) => _o,
Err(e) => error!("{}", e),
};
}
}
}
}
// Its a post
None => {
if post.creator_id != user_id {
let parent_user = User_::read(&conn, post.creator_id)?;
recipient_ids.push(parent_user.id);
if parent_user.send_notifications_to_email {
if let Some(post_reply_email) = parent_user.email {
let subject = &format!(
"{} - Reply from {}",
Settings::get().hostname,
claims.username
);
let html = &format!(
"<h1>Post Reply</h1><br><div>{} - {}</div><br><a href={}/inbox>inbox</a>",
claims.username, comment_form.content, hostname
);
match send_email(subject, &post_reply_email, &parent_user.name, html) {
Ok(_o) => _o,
Err(e) => error!("{}", e),
};
}
}
}
}
};
// You like your own comment by default
let like_form = CommentLikeForm {
comment_id: inserted_comment.id,
post_id: data.post_id,
user_id,
score: 1,
};
let _inserted_like = match CommentLike::like(&conn, &like_form) {
Ok(like) => like,
Err(_e) => return Err(APIError::err("couldnt_like_comment").into()),
};
updated_comment.send_like(&user, &conn)?;
let comment_view = CommentView::read(&conn, inserted_comment.id, Some(user_id))?;
let mut res = CommentResponse {
comment: comment_view,
recipient_ids,
};
if let Some(ws) = websocket_info {
ws.chatserver.do_send(SendComment {
op: UserOperation::CreateComment,
comment: res.clone(),
my_id: ws.id,
});
// strip out the recipient_ids, so that
// users don't get double notifs
res.recipient_ids = Vec::new();
}
Ok(res)
}
}
impl Perform for Oper<EditComment> {
type Response = CommentResponse;
fn perform(
&self,
pool: Pool<ConnectionManager<PgConnection>>,
websocket_info: Option<WebsocketInfo>,
) -> Result<CommentResponse, Error> {
let data: &EditComment = &self.data;
let claims = match Claims::decode(&data.auth) {
Ok(claims) => claims.claims,
Err(_e) => return Err(APIError::err("not_logged_in").into()),
};
let user_id = claims.id;
let conn = pool.get()?;
let user = User_::read(&conn, user_id)?;
let orig_comment = CommentView::read(&conn, data.edit_id, None)?;
// You are allowed to mark the comment as read even if you're banned.
if data.read.is_none() {
// Verify its the creator or a mod, or an admin
let mut editors: Vec<i32> = vec![data.creator_id];
editors.append(
&mut CommunityModeratorView::for_community(&conn, orig_comment.community_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("no_comment_edit_allowed").into());
}
// Check for a community ban
if CommunityUserBanView::get(&conn, user_id, orig_comment.community_id).is_ok() {
return Err(APIError::err("community_ban").into());
}
// Check for a site ban
if user.banned {
return Err(APIError::err("site_ban").into());
}
}
let content_slurs_removed = remove_slurs(&data.content.to_owned());
let read_comment = Comment::read(&conn, data.edit_id)?;
let comment_form = CommentForm {
content: content_slurs_removed,
parent_id: data.parent_id,
post_id: data.post_id,
creator_id: data.creator_id,
removed: data.removed.to_owned(),
deleted: data.deleted.to_owned(),
read: data.read.to_owned(),
published: None,
updated: if data.read.is_some() {
orig_comment.updated
} else {
Some(naive_now())
},
ap_id: read_comment.ap_id,
local: read_comment.local,
};
let updated_comment = match Comment::update(&conn, data.edit_id, &comment_form) {
Ok(comment) => comment,
Err(_e) => return Err(APIError::err("couldnt_update_comment").into()),
};
if let Some(deleted) = data.deleted.to_owned() {
if deleted {
updated_comment.send_delete(&user, &conn)?;
} else {
updated_comment.send_undo_delete(&user, &conn)?;
}
} else if let Some(removed) = data.removed.to_owned() {
if removed {
updated_comment.send_remove(&user, &conn)?;
} else {
updated_comment.send_undo_remove(&user, &conn)?;
}
} else {
updated_comment.send_update(&user, &conn)?;
}
let mut recipient_ids = Vec::new();
// Scan the comment for user mentions, add those rows
let extracted_usernames = extract_usernames(&comment_form.content);
for username_mention in &extracted_usernames {
let mention_user = User_::read_from_name(&conn, username_mention);
if mention_user.is_ok() {
let mention_user_id = mention_user?.id;
// You can't mention yourself
// At some point, make it so you can't tag the parent creator either
// This can cause two notifications, one for reply and the other for mention
if mention_user_id != user_id {
recipient_ids.push(mention_user_id);
let user_mention_form = UserMentionForm {
recipient_id: mention_user_id,
comment_id: data.edit_id,
read: None,
};
// Allow this to fail softly, since comment edits might re-update or replace it
// Let the uniqueness handle this fail
match UserMention::create(&conn, &user_mention_form) {
Ok(_mention) => (),
Err(_e) => error!("{}", &_e),
}
}
}
}
// Add to recipient ids
match data.parent_id {
Some(parent_id) => {
let parent_comment = Comment::read(&conn, parent_id)?;
if parent_comment.creator_id != user_id {
let parent_user = User_::read(&conn, parent_comment.creator_id)?;
recipient_ids.push(parent_user.id);
}
}
None => {
let post = Post::read(&conn, data.post_id)?;
recipient_ids.push(post.creator_id);
}
}
// Mod tables
if let Some(removed) = data.removed.to_owned() {
let form = ModRemoveCommentForm {
mod_user_id: user_id,
comment_id: data.edit_id,
removed: Some(removed),
reason: data.reason.to_owned(),
};
ModRemoveComment::create(&conn, &form)?;
}
let comment_view = CommentView::read(&conn, data.edit_id, Some(user_id))?;
let mut res = CommentResponse {
comment: comment_view,
recipient_ids,
};
if let Some(ws) = websocket_info {
ws.chatserver.do_send(SendComment {
op: UserOperation::EditComment,
comment: res.clone(),
my_id: ws.id,
});
// strip out the recipient_ids, so that
// users don't get double notifs
res.recipient_ids = Vec::new();
}
Ok(res)
}
}
impl Perform for Oper<SaveComment> {
type Response = CommentResponse;
fn perform(
&self,
pool: Pool<ConnectionManager<PgConnection>>,
_websocket_info: Option<WebsocketInfo>,
) -> Result<CommentResponse, Error> {
let data: &SaveComment = &self.data;
let claims = match Claims::decode(&data.auth) {
Ok(claims) => claims.claims,
Err(_e) => return Err(APIError::err("not_logged_in").into()),
};
let user_id = claims.id;
let comment_saved_form = CommentSavedForm {
comment_id: data.comment_id,
user_id,
};
let conn = pool.get()?;
if data.save {
match CommentSaved::save(&conn, &comment_saved_form) {
Ok(comment) => comment,
Err(_e) => return Err(APIError::err("couldnt_save_comment").into()),
};
} else {
match CommentSaved::unsave(&conn, &comment_saved_form) {
Ok(comment) => comment,
Err(_e) => return Err(APIError::err("couldnt_save_comment").into()),
};
}
let comment_view = CommentView::read(&conn, data.comment_id, Some(user_id))?;
Ok(CommentResponse {
comment: comment_view,
recipient_ids: Vec::new(),
})
}
}
impl Perform for Oper<CreateCommentLike> {
type Response = CommentResponse;
fn perform(
&self,
pool: Pool<ConnectionManager<PgConnection>>,
websocket_info: Option<WebsocketInfo>,
) -> Result<CommentResponse, Error> {
let data: &CreateCommentLike = &self.data;
let claims = match Claims::decode(&data.auth) {
Ok(claims) => claims.claims,
Err(_e) => return Err(APIError::err("not_logged_in").into()),
};
let user_id = claims.id;
let mut recipient_ids = Vec::new();
let conn = pool.get()?;
// Don't do a downvote if site has downvotes disabled
if data.score == -1 {
let site = SiteView::read(&conn)?;
if !site.enable_downvotes {
return Err(APIError::err("downvotes_disabled").into());
}
}
// Check for a community ban
let post = Post::read(&conn, data.post_id)?;
if CommunityUserBanView::get(&conn, user_id, post.community_id).is_ok() {
return Err(APIError::err("community_ban").into());
}
// Check for a site ban
let user = User_::read(&conn, user_id)?;
if user.banned {
return Err(APIError::err("site_ban").into());
}
let comment = Comment::read(&conn, data.comment_id)?;
// Add to recipient ids
match comment.parent_id {
Some(parent_id) => {
let parent_comment = Comment::read(&conn, parent_id)?;
if parent_comment.creator_id != user_id {
let parent_user = User_::read(&conn, parent_comment.creator_id)?;
recipient_ids.push(parent_user.id);
}
}
None => {
recipient_ids.push(post.creator_id);
}
}
let like_form = CommentLikeForm {
comment_id: data.comment_id,
post_id: data.post_id,
user_id,
score: data.score,
};
// Remove any likes first
CommentLike::remove(&conn, &like_form)?;
// Only add the like if the score isnt 0
let do_add = like_form.score != 0 && (like_form.score == 1 || like_form.score == -1);
if do_add {
let _inserted_like = match CommentLike::like(&conn, &like_form) {
Ok(like) => like,
Err(_e) => return Err(APIError::err("couldnt_like_comment").into()),
};
if like_form.score == 1 {
comment.send_like(&user, &conn)?;
} else if like_form.score == -1 {
comment.send_dislike(&user, &conn)?;
}
} else {
comment.send_undo_like(&user, &conn)?;
}
// Have to refetch the comment to get the current state
let liked_comment = CommentView::read(&conn, data.comment_id, Some(user_id))?;
let mut res = CommentResponse {
comment: liked_comment,
recipient_ids,
};
if let Some(ws) = websocket_info {
ws.chatserver.do_send(SendComment {
op: UserOperation::CreateCommentLike,
comment: res.clone(),
my_id: ws.id,
});
// strip out the recipient_ids, so that
// users don't get double notifs
res.recipient_ids = Vec::new();
}
Ok(res)
}
}
impl Perform for Oper<GetComments> {
type Response = GetCommentsResponse;
fn perform(
&self,
pool: Pool<ConnectionManager<PgConnection>>,
websocket_info: Option<WebsocketInfo>,
) -> Result<GetCommentsResponse, Error> {
let data: &GetComments = &self.data;
let user_claims: Option<Claims> = match &data.auth {
Some(auth) => match Claims::decode(&auth) {
Ok(claims) => Some(claims.claims),
Err(_e) => None,
},
None => None,
};
let user_id = match &user_claims {
Some(claims) => Some(claims.id),
None => None,
};
let type_ = ListingType::from_str(&data.type_)?;
let sort = SortType::from_str(&data.sort)?;
let conn = pool.get()?;
let comments = match CommentQueryBuilder::create(&conn)
.listing_type(type_)
.sort(&sort)
.for_community_id(data.community_id)
.my_user_id(user_id)
.page(data.page)
.limit(data.limit)
.list()
{
Ok(comments) => comments,
Err(_e) => return Err(APIError::err("couldnt_get_comments").into()),
};
if let Some(ws) = websocket_info {
// You don't need to join the specific community room, bc this is already handled by
// GetCommunity
if data.community_id.is_none() {
if let Some(id) = ws.id {
// 0 is the "all" community
ws.chatserver.do_send(JoinCommunityRoom {
community_id: 0,
id,
});
}
}
}
Ok(GetCommentsResponse { comments })
}
}