crates/api_crud/src/post/read.rs

   1 use crate::PerformCrud;
   2 use actix_web::web::Data;
   3 use lemmy_api_common::{
   4   blocking,
   5   get_local_user_view_from_jwt_opt,
   6   post::*,
   7   user_show_bot_accounts,
   8   user_show_nsfw,
   9 };
  10 use lemmy_db_queries::{ListingType, SortType};
  11 use lemmy_db_views::{
  12   comment_view::CommentQueryBuilder,
  13   post_view::{PostQueryBuilder, PostView},
  14 };
  15 use lemmy_db_views_actor::{
  16   community_moderator_view::CommunityModeratorView,
  17   community_view::CommunityView,
  18 };
  19 use lemmy_utils::{ApiError, ConnectionId, LemmyError};
  20 use lemmy_websocket::{messages::GetPostUsersOnline, LemmyContext};
  21 use std::str::FromStr;
  22
  23 #[async_trait::async_trait(?Send)]
  24 impl PerformCrud for GetPost {
  25   type Response = GetPostResponse;
  26
  27   async fn perform(
  28     &self,
  29     context: &Data<LemmyContext>,
  30     _websocket_id: Option<ConnectionId>,
  31   ) -> Result<GetPostResponse, LemmyError> {
  32     let data: &GetPost = &self;
  33     let local_user_view = get_local_user_view_from_jwt_opt(&data.auth, context.pool()).await?;
  34
  35     let show_bot_accounts = user_show_bot_accounts(&local_user_view);
  36
  37     let person_id = local_user_view.map(|u| u.person.id);
  38
  39     let id = data.id;
  40     let post_view = blocking(context.pool(), move |conn| {
  41       PostView::read(conn, id, person_id)
  42     })
  43     .await?
  44     .map_err(|_| ApiError::err("couldnt_find_post"))?;
  45
  46     let id = data.id;
  47     let comments = blocking(context.pool(), move |conn| {
  48       CommentQueryBuilder::create(conn)
  49         .my_person_id(person_id)
  50         .show_bot_accounts(show_bot_accounts)
  51         .post_id(id)
  52         .limit(9999)
  53         .list()
  54     })
  55     .await??;
  56
  57     let community_id = post_view.community.id;
  58     let moderators = blocking(context.pool(), move |conn| {
  59       CommunityModeratorView::for_community(conn, community_id)
  60     })
  61     .await??;
  62
  63     // Necessary for the sidebar
  64     let community_view = blocking(context.pool(), move |conn| {
  65       CommunityView::read(conn, community_id, person_id)
  66     })
  67     .await?
  68     .map_err(|_| ApiError::err("couldnt_find_community"))?;
  69
  70     let online = context
  71       .chat_server()
  72       .send(GetPostUsersOnline { post_id: data.id })
  73       .await
  74       .unwrap_or(1);
  75
  76     // Return the jwt
  77     Ok(GetPostResponse {
  78       post_view,
  79       community_view,
  80       comments,
  81       moderators,
  82       online,
  83     })
  84   }
  85 }
  86
  87 #[async_trait::async_trait(?Send)]
  88 impl PerformCrud for GetPosts {
  89   type Response = GetPostsResponse;
  90
  91   async fn perform(
  92     &self,
  93     context: &Data<LemmyContext>,
  94     _websocket_id: Option<ConnectionId>,
  95   ) -> Result<GetPostsResponse, LemmyError> {
  96     let data: &GetPosts = &self;
  97     let local_user_view = get_local_user_view_from_jwt_opt(&data.auth, context.pool()).await?;
  98
  99     let person_id = local_user_view.to_owned().map(|l| l.person.id);
 100
 101     let show_nsfw = user_show_nsfw(&local_user_view);
 102     let show_bot_accounts = user_show_bot_accounts(&local_user_view);
 103
 104     let type_ = ListingType::from_str(&data.type_)?;
 105     let sort = SortType::from_str(&data.sort)?;
 106
 107     let page = data.page;
 108     let limit = data.limit;
 109     let community_id = data.community_id;
 110     let community_name = data.community_name.to_owned();
 111     let saved_only = data.saved_only;
 112
 113     let posts = blocking(context.pool(), move |conn| {
 114       PostQueryBuilder::create(conn)
 115         .listing_type(&type_)
 116         .sort(&sort)
 117         .show_nsfw(show_nsfw)
 118         .show_bot_accounts(show_bot_accounts)
 119         .community_id(community_id)
 120         .community_name(community_name)
 121         .saved_only(saved_only)
 122         .my_person_id(person_id)
 123         .page(page)
 124         .limit(limit)
 125         .list()
 126     })
 127     .await?
 128     .map_err(|_| ApiError::err("couldnt_get_posts"))?;
 129
 130     Ok(GetPostsResponse { posts })
 131   }
 132 }