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

133 lines
3.6 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, post::*};
use lemmy_db_queries::{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};
use std::str::FromStr;
#[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> {
let data: &GetPost = &self;
let local_user_view = get_local_user_view_from_jwt_opt(&data.auth, context.pool()).await?;
let person_id = local_user_view.map(|u| u.person.id);
let id = data.id;
let post_view = match blocking(context.pool(), move |conn| {
PostView::read(conn, id, person_id)
})
.await?
{
Ok(post) => post,
Err(_e) => return Err(ApiError::err("couldnt_find_post").into()),
};
let id = data.id;
let comments = blocking(context.pool(), move |conn| {
CommentQueryBuilder::create(conn)
.my_person_id(person_id)
.post_id(id)
.limit(9999)
.list()
})
.await??;
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 community_view = match blocking(context.pool(), move |conn| {
CommunityView::read(conn, community_id, person_id)
})
.await?
{
Ok(community) => community,
Err(_e) => return Err(ApiError::err("couldnt_find_community").into()),
};
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> {
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 = match &local_user_view {
Some(uv) => uv.local_user.show_nsfw,
None => false,
};
let type_ = ListingType::from_str(&data.type_)?;
let sort = SortType::from_str(&data.sort)?;
let page = data.page;
let limit = data.limit;
let community_id = data.community_id;
let community_name = data.community_name.to_owned();
let saved_only = data.saved_only;
let posts = match blocking(context.pool(), move |conn| {
PostQueryBuilder::create(conn)
.listing_type(&type_)
.sort(&sort)
.show_nsfw(show_nsfw)
.community_id(community_id)
.community_name(community_name)
.saved_only(saved_only)
.my_person_id(person_id)
.page(page)
.limit(limit)
.list()
})
.await?
{
Ok(posts) => posts,
Err(_e) => return Err(ApiError::err("couldnt_get_posts").into()),
};
Ok(GetPostsResponse { posts })
}
}