lemmy/crates/api_crud/src/post/read.rs

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5.1 KiB
Rust
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use crate::PerformCrud;
use actix_web::web::Data;
use lemmy_api_common::{blocking, get_local_user_view_from_jwt_opt, mark_post_as_read, post::*};
use lemmy_apub::{build_actor_id_from_shortname, EndpointType};
use lemmy_db_queries::{from_opt_str_to_opt_enum, DeleteableOrRemoveable, ListingType, SortType};
use lemmy_db_views::{
comment_view::CommentQueryBuilder,
post_view::{PostQueryBuilder, PostView},
};
use lemmy_db_views_actor::{
community_moderator_view::CommunityModeratorView,
community_view::CommunityView,
};
use lemmy_utils::{ApiError, ConnectionId, LemmyError};
use lemmy_websocket::{messages::GetPostUsersOnline, LemmyContext};
#[async_trait::async_trait(?Send)]
impl PerformCrud for GetPost {
type Response = GetPostResponse;
async fn perform(
&self,
context: &Data<LemmyContext>,
_websocket_id: Option<ConnectionId>,
) -> Result<GetPostResponse, LemmyError> {
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let data: &GetPost = self;
let local_user_view = get_local_user_view_from_jwt_opt(&data.auth, context.pool()).await?;
let show_bot_accounts = local_user_view
.as_ref()
.map(|t| t.local_user.show_bot_accounts);
let person_id = local_user_view.map(|u| u.person.id);
let id = data.id;
let mut post_view = blocking(context.pool(), move |conn| {
PostView::read(conn, id, person_id)
})
.await?
.map_err(|_| ApiError::err("couldnt_find_post"))?;
// Blank out deleted info
if post_view.post.deleted || post_view.post.removed {
post_view.post = post_view.post.blank_out_deleted_or_removed_info();
}
// Mark the post as read
if let Some(person_id) = person_id {
mark_post_as_read(person_id, id, context.pool()).await?;
}
let id = data.id;
let mut comments = blocking(context.pool(), move |conn| {
CommentQueryBuilder::create(conn)
.my_person_id(person_id)
.show_bot_accounts(show_bot_accounts)
.post_id(id)
.limit(9999)
.list()
})
.await??;
// Blank out deleted or removed info
for cv in comments
.iter_mut()
.filter(|cv| cv.comment.deleted || cv.comment.removed)
{
cv.comment = cv.to_owned().comment.blank_out_deleted_or_removed_info();
}
let community_id = post_view.community.id;
let moderators = blocking(context.pool(), move |conn| {
CommunityModeratorView::for_community(conn, community_id)
})
.await??;
// Necessary for the sidebar
let mut community_view = blocking(context.pool(), move |conn| {
CommunityView::read(conn, community_id, person_id)
})
.await?
.map_err(|_| ApiError::err("couldnt_find_community"))?;
// 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 online = context
.chat_server()
.send(GetPostUsersOnline { post_id: data.id })
.await
.unwrap_or(1);
// Return the jwt
Ok(GetPostResponse {
post_view,
community_view,
comments,
moderators,
online,
})
}
}
#[async_trait::async_trait(?Send)]
impl PerformCrud for GetPosts {
type Response = GetPostsResponse;
async fn perform(
&self,
context: &Data<LemmyContext>,
_websocket_id: Option<ConnectionId>,
) -> Result<GetPostsResponse, LemmyError> {
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let data: &GetPosts = self;
let local_user_view = get_local_user_view_from_jwt_opt(&data.auth, context.pool()).await?;
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let person_id = local_user_view.to_owned().map(|l| l.person.id);
let show_nsfw = local_user_view.as_ref().map(|t| t.local_user.show_nsfw);
let show_bot_accounts = local_user_view
.as_ref()
.map(|t| t.local_user.show_bot_accounts);
let show_read_posts = local_user_view
.as_ref()
.map(|t| t.local_user.show_read_posts);
let sort: Option<SortType> = from_opt_str_to_opt_enum(&data.sort);
let listing_type: Option<ListingType> = from_opt_str_to_opt_enum(&data.type_);
let page = data.page;
let limit = data.limit;
let community_id = data.community_id;
let community_actor_id = data
.community_name
.as_ref()
.map(|t| build_actor_id_from_shortname(EndpointType::Community, t).ok())
.unwrap_or(None);
let saved_only = data.saved_only;
let mut posts = blocking(context.pool(), move |conn| {
PostQueryBuilder::create(conn)
.listing_type(listing_type)
.sort(sort)
.show_nsfw(show_nsfw)
.show_bot_accounts(show_bot_accounts)
.show_read_posts(show_read_posts)
.community_id(community_id)
.community_actor_id(community_actor_id)
.saved_only(saved_only)
.my_person_id(person_id)
.page(page)
.limit(limit)
.list()
})
.await?
.map_err(|_| ApiError::err("couldnt_get_posts"))?;
// Blank out deleted or removed info
for pv in posts
.iter_mut()
.filter(|p| p.post.deleted || p.post.removed)
{
pv.post = pv.to_owned().post.blank_out_deleted_or_removed_info();
}
Ok(GetPostsResponse { posts })
}
}