lemmy/crates/api/src/comment.rs

220 lines
6.3 KiB
Rust
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use crate::Perform;
use actix_web::web::Data;
use lemmy_api_common::{
blocking,
check_community_ban,
check_downvotes_enabled,
comment::*,
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get_local_user_view_from_jwt,
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};
use lemmy_apub::ApubLikeableType;
use lemmy_db_queries::{source::comment::Comment_, Likeable, Saveable};
use lemmy_db_schema::{source::comment::*, LocalUserId};
use lemmy_db_views::{comment_view::CommentView, local_user_view::LocalUserView};
use lemmy_utils::{ApiError, ConnectionId, LemmyError};
use lemmy_websocket::{messages::SendComment, LemmyContext, UserOperation};
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#[async_trait::async_trait(?Send)]
impl Perform for MarkCommentAsRead {
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type Response = CommentResponse;
async fn perform(
&self,
context: &Data<LemmyContext>,
_websocket_id: Option<ConnectionId>,
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) -> Result<CommentResponse, LemmyError> {
let data: &MarkCommentAsRead = &self;
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let local_user_view = get_local_user_view_from_jwt(&data.auth, context.pool()).await?;
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let comment_id = data.comment_id;
let orig_comment = blocking(context.pool(), move |conn| {
CommentView::read(&conn, comment_id, None)
})
.await??;
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check_community_ban(
local_user_view.person.id,
orig_comment.community.id,
context.pool(),
)
.await?;
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// Verify that only the recipient can mark as read
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if local_user_view.person.id != orig_comment.get_recipient_id() {
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return Err(ApiError::err("no_comment_edit_allowed").into());
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}
// Do the mark as read
let read = data.read;
match blocking(context.pool(), move |conn| {
Comment::update_read(conn, comment_id, read)
})
.await?
{
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Ok(comment) => comment,
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Err(_e) => return Err(ApiError::err("couldnt_update_comment").into()),
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};
// Refetch it
let comment_id = data.comment_id;
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let person_id = local_user_view.person.id;
let comment_view = blocking(context.pool(), move |conn| {
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CommentView::read(conn, comment_id, Some(person_id))
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})
.await??;
let res = CommentResponse {
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comment_view,
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recipient_ids: Vec::new(),
form_id: None,
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};
Ok(res)
}
}
#[async_trait::async_trait(?Send)]
impl Perform for SaveComment {
type Response = CommentResponse;
async fn perform(
&self,
context: &Data<LemmyContext>,
_websocket_id: Option<ConnectionId>,
) -> Result<CommentResponse, LemmyError> {
let data: &SaveComment = &self;
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let local_user_view = get_local_user_view_from_jwt(&data.auth, context.pool()).await?;
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let comment_saved_form = CommentSavedForm {
comment_id: data.comment_id,
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person_id: local_user_view.person.id,
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};
if data.save {
let save_comment = move |conn: &'_ _| CommentSaved::save(conn, &comment_saved_form);
if blocking(context.pool(), save_comment).await?.is_err() {
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return Err(ApiError::err("couldnt_save_comment").into());
}
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} else {
let unsave_comment = move |conn: &'_ _| CommentSaved::unsave(conn, &comment_saved_form);
if blocking(context.pool(), unsave_comment).await?.is_err() {
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return Err(ApiError::err("couldnt_save_comment").into());
}
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}
let comment_id = data.comment_id;
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let person_id = local_user_view.person.id;
let comment_view = blocking(context.pool(), move |conn| {
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CommentView::read(conn, comment_id, Some(person_id))
})
.await??;
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Ok(CommentResponse {
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comment_view,
recipient_ids: Vec::new(),
form_id: None,
})
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}
}
#[async_trait::async_trait(?Send)]
impl Perform for CreateCommentLike {
type Response = CommentResponse;
async fn perform(
&self,
context: &Data<LemmyContext>,
websocket_id: Option<ConnectionId>,
) -> Result<CommentResponse, LemmyError> {
let data: &CreateCommentLike = &self;
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let local_user_view = get_local_user_view_from_jwt(&data.auth, context.pool()).await?;
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let mut recipient_ids = Vec::<LocalUserId>::new();
// Don't do a downvote if site has downvotes disabled
check_downvotes_enabled(data.score, context.pool()).await?;
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let comment_id = data.comment_id;
let orig_comment = blocking(context.pool(), move |conn| {
CommentView::read(&conn, comment_id, None)
})
.await??;
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check_community_ban(
local_user_view.person.id,
orig_comment.community.id,
context.pool(),
)
.await?;
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// Add parent user to recipients
let recipient_id = orig_comment.get_recipient_id();
if let Ok(local_recipient) = blocking(context.pool(), move |conn| {
LocalUserView::read_person(conn, recipient_id)
})
.await?
{
recipient_ids.push(local_recipient.local_user.id);
}
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let like_form = CommentLikeForm {
comment_id: data.comment_id,
post_id: orig_comment.post.id,
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person_id: local_user_view.person.id,
score: data.score,
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};
// Remove any likes first
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let person_id = local_user_view.person.id;
blocking(context.pool(), move |conn| {
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CommentLike::remove(conn, person_id, comment_id)
})
.await??;
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// Only add the like if the score isnt 0
let comment = orig_comment.comment;
let do_add = like_form.score != 0 && (like_form.score == 1 || like_form.score == -1);
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if do_add {
let like_form2 = like_form.clone();
let like = move |conn: &'_ _| CommentLike::like(conn, &like_form2);
if blocking(context.pool(), like).await?.is_err() {
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return Err(ApiError::err("couldnt_like_comment").into());
}
if like_form.score == 1 {
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comment.send_like(&local_user_view.person, context).await?;
} else if like_form.score == -1 {
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comment
.send_dislike(&local_user_view.person, context)
.await?;
}
} else {
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comment
.send_undo_like(&local_user_view.person, context)
.await?;
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}
// Have to refetch the comment to get the current state
let comment_id = data.comment_id;
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let person_id = local_user_view.person.id;
let liked_comment = blocking(context.pool(), move |conn| {
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CommentView::read(conn, comment_id, Some(person_id))
})
.await??;
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let res = CommentResponse {
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comment_view: liked_comment,
recipient_ids,
form_id: None,
};
context.chat_server().do_send(SendComment {
op: UserOperation::CreateCommentLike,
comment: res.clone(),
websocket_id,
});
Ok(res)
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}
}