lemmy/crates/websocket/src/send.rs

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9.0 KiB
Rust
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use crate::{
messages::{SendComment, SendCommunityRoomMessage, SendPost, SendUserRoomMessage},
LemmyContext,
OperationType,
};
use lemmy_api_common::{
blocking,
comment::CommentResponse,
community::CommunityResponse,
person::PrivateMessageResponse,
post::PostResponse,
};
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use lemmy_db_schema::{
newtypes::{CommentId, CommunityId, LocalUserId, PersonId, PostId, PrivateMessageId},
source::{
comment::Comment,
person::Person,
person_mention::{PersonMention, PersonMentionForm},
post::Post,
},
traits::{Crud, DeleteableOrRemoveable},
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};
use lemmy_db_views::{
comment_view::CommentView,
local_user_view::LocalUserView,
post_view::PostView,
private_message_view::PrivateMessageView,
};
use lemmy_db_views_actor::community_view::CommunityView;
use lemmy_utils::{
email::send_email,
settings::structs::Settings,
utils::MentionData,
ConnectionId,
LemmyError,
};
use log::error;
pub async fn send_post_ws_message<OP: ToString + Send + OperationType + 'static>(
post_id: PostId,
op: OP,
websocket_id: Option<ConnectionId>,
person_id: Option<PersonId>,
context: &LemmyContext,
) -> Result<PostResponse, LemmyError> {
let mut post_view = blocking(context.pool(), move |conn| {
PostView::read(conn, post_id, person_id)
})
.await??;
if post_view.post.deleted || post_view.post.removed {
post_view.post = post_view.post.blank_out_deleted_or_removed_info();
}
let res = PostResponse { post_view };
context.chat_server().do_send(SendPost {
op,
post: res.clone(),
websocket_id,
});
Ok(res)
}
// TODO: in many call sites in apub crate, we are setting an empty vec for recipient_ids,
// we should get the actual recipient actors from somewhere
pub async fn send_comment_ws_message_simple<OP: ToString + Send + OperationType + 'static>(
comment_id: CommentId,
op: OP,
context: &LemmyContext,
) -> Result<CommentResponse, LemmyError> {
send_comment_ws_message(comment_id, op, None, None, None, vec![], context).await
}
pub async fn send_comment_ws_message<OP: ToString + Send + OperationType + 'static>(
comment_id: CommentId,
op: OP,
websocket_id: Option<ConnectionId>,
form_id: Option<String>,
person_id: Option<PersonId>,
recipient_ids: Vec<LocalUserId>,
context: &LemmyContext,
) -> Result<CommentResponse, LemmyError> {
let mut view = blocking(context.pool(), move |conn| {
CommentView::read(conn, comment_id, person_id)
})
.await??;
if view.comment.deleted || view.comment.removed {
view.comment = view.comment.blank_out_deleted_or_removed_info();
}
let mut res = CommentResponse {
comment_view: view,
recipient_ids,
// The sent out form id should be null
form_id: None,
};
context.chat_server().do_send(SendComment {
op,
comment: res.clone(),
websocket_id,
});
// The recipient_ids should be empty for returns
res.recipient_ids = Vec::new();
res.form_id = form_id;
Ok(res)
}
pub async fn send_community_ws_message<OP: ToString + Send + OperationType + 'static>(
community_id: CommunityId,
op: OP,
websocket_id: Option<ConnectionId>,
person_id: Option<PersonId>,
context: &LemmyContext,
) -> Result<CommunityResponse, LemmyError> {
let mut community_view = blocking(context.pool(), move |conn| {
CommunityView::read(conn, community_id, person_id)
})
.await??;
// Blank out deleted or removed info
if community_view.community.deleted || community_view.community.removed {
community_view.community = community_view.community.blank_out_deleted_or_removed_info();
}
let res = CommunityResponse { community_view };
// Strip out the person id and subscribed when sending to others
let mut res_mut = res.clone();
res_mut.community_view.subscribed = false;
context.chat_server().do_send(SendCommunityRoomMessage {
op,
response: res_mut,
community_id: res.community_view.community.id,
websocket_id,
});
Ok(res)
}
pub async fn send_pm_ws_message<OP: ToString + Send + OperationType + 'static>(
private_message_id: PrivateMessageId,
op: OP,
websocket_id: Option<ConnectionId>,
context: &LemmyContext,
) -> Result<PrivateMessageResponse, LemmyError> {
let mut view = blocking(context.pool(), move |conn| {
PrivateMessageView::read(conn, private_message_id)
})
.await??;
// Blank out deleted or removed info
if view.private_message.deleted {
view.private_message = view.private_message.blank_out_deleted_or_removed_info();
}
let res = PrivateMessageResponse {
private_message_view: view,
};
// Send notifications to the local recipient, if one exists
if res.private_message_view.recipient.local {
let recipient_id = res.private_message_view.recipient.id;
let local_recipient = blocking(context.pool(), move |conn| {
LocalUserView::read_person(conn, recipient_id)
})
.await??;
context.chat_server().do_send(SendUserRoomMessage {
op,
response: res.clone(),
local_recipient_id: local_recipient.local_user.id,
websocket_id,
});
}
Ok(res)
}
pub async fn send_local_notifs(
mentions: Vec<MentionData>,
comment: &Comment,
person: &Person,
post: &Post,
do_send_email: bool,
context: &LemmyContext,
) -> Result<Vec<LocalUserId>, LemmyError> {
let mut recipient_ids = Vec::new();
// Send the local mentions
for mention in mentions
.iter()
.filter(|m| m.is_local(&context.settings().hostname) && m.name.ne(&person.name))
.collect::<Vec<&MentionData>>()
{
let mention_name = mention.name.clone();
let user_view = blocking(context.pool(), move |conn| {
LocalUserView::read_from_name(conn, &mention_name)
})
.await?;
if let Ok(mention_user_view) = user_view {
// TODO
// 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
recipient_ids.push(mention_user_view.local_user.id);
let user_mention_form = PersonMentionForm {
recipient_id: mention_user_view.person.id,
comment_id: comment.id,
read: None,
};
// Allow this to fail softly, since comment edits might re-update or replace it
// Let the uniqueness handle this fail
blocking(context.pool(), move |conn| {
PersonMention::create(conn, &user_mention_form)
})
.await?
.ok();
// Send an email to those local users that have notifications on
if do_send_email {
send_email_to_user(
&mention_user_view,
"Mentioned by",
"Person Mention",
&comment.content,
&context.settings(),
)
}
}
}
// Send notifs to the parent commenter / poster
match comment.parent_id {
Some(parent_id) => {
let parent_comment =
blocking(context.pool(), move |conn| Comment::read(conn, parent_id)).await?;
if let Ok(parent_comment) = parent_comment {
// Don't send a notif to yourself
if parent_comment.creator_id != person.id {
// Get the parent commenter local_user
let user_view = blocking(context.pool(), move |conn| {
LocalUserView::read_person(conn, parent_comment.creator_id)
})
.await?;
if let Ok(parent_user_view) = user_view {
recipient_ids.push(parent_user_view.local_user.id);
if do_send_email {
send_email_to_user(
&parent_user_view,
"Reply from",
"Comment Reply",
&comment.content,
&context.settings(),
)
}
}
}
}
}
// Its a post
None => {
if post.creator_id != person.id {
let creator_id = post.creator_id;
let parent_user = blocking(context.pool(), move |conn| {
LocalUserView::read_person(conn, creator_id)
})
.await?;
if let Ok(parent_user_view) = parent_user {
recipient_ids.push(parent_user_view.local_user.id);
if do_send_email {
send_email_to_user(
&parent_user_view,
"Reply from",
"Post Reply",
&comment.content,
&context.settings(),
)
}
}
}
}
};
Ok(recipient_ids)
}
pub fn send_email_to_user(
local_user_view: &LocalUserView,
subject_text: &str,
body_text: &str,
comment_content: &str,
settings: &Settings,
) {
if local_user_view.person.banned || !local_user_view.local_user.send_notifications_to_email {
return;
}
if let Some(user_email) = &local_user_view.local_user.email {
let subject = &format!(
"{} - {} {}",
subject_text, settings.hostname, local_user_view.person.name,
);
let html = &format!(
"<h1>{}</h1><br><div>{} - {}</div><br><a href={}/inbox>inbox</a>",
body_text,
local_user_view.person.name,
comment_content,
settings.get_protocol_and_hostname()
);
match send_email(
subject,
user_email,
&local_user_view.person.name,
html,
settings,
) {
Ok(_o) => _o,
Err(e) => error!("{}", e),
};
}
}