crates/api_crud/src/post/delete.rs

   1 use crate::PerformCrud;
   2 use actix_web::web::Data;
   3 use lemmy_api_common::{
   4   blocking,
   5   check_community_ban,
   6   get_local_user_view_from_jwt,
   7   is_mod_or_admin,
   8   post::*,
   9 };
  10 use lemmy_apub::activities::deletion::{send_apub_delete, send_apub_remove};
  11 use lemmy_db_queries::{source::post::Post_, Crud};
  12 use lemmy_db_schema::source::{community::Community, moderator::*, post::*};
  13 use lemmy_utils::{ApiError, ConnectionId, LemmyError};
  14 use lemmy_websocket::{send::send_post_ws_message, LemmyContext, UserOperationCrud};
  15
  16 #[async_trait::async_trait(?Send)]
  17 impl PerformCrud for DeletePost {
  18   type Response = PostResponse;
  19
  20   async fn perform(
  21     &self,
  22     context: &Data<LemmyContext>,
  23     websocket_id: Option<ConnectionId>,
  24   ) -> Result<PostResponse, LemmyError> {
  25     let data: &DeletePost = self;
  26     let local_user_view =
  27       get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;
  28
  29     let post_id = data.post_id;
  30     let orig_post = blocking(context.pool(), move |conn| Post::read(conn, post_id)).await??;
  31
  32     check_community_ban(
  33       local_user_view.person.id,
  34       orig_post.community_id,
  35       context.pool(),
  36     )
  37     .await?;
  38
  39     // Verify that only the creator can delete
  40     if !Post::is_post_creator(local_user_view.person.id, orig_post.creator_id) {
  41       return Err(ApiError::err_plain("no_post_edit_allowed").into());
  42     }
  43
  44     // Update the post
  45     let post_id = data.post_id;
  46     let deleted = data.deleted;
  47     let updated_post = blocking(context.pool(), move |conn| {
  48       Post::update_deleted(conn, post_id, deleted)
  49     })
  50     .await??;
  51
  52     // apub updates
  53     let community = blocking(context.pool(), move |conn| {
  54       Community::read(conn, orig_post.community_id)
  55     })
  56     .await??;
  57     send_apub_delete(
  58       &local_user_view.person,
  59       &community,
  60       updated_post.ap_id.into(),
  61       deleted,
  62       context,
  63     )
  64     .await?;
  65
  66     send_post_ws_message(
  67       data.post_id,
  68       UserOperationCrud::DeletePost,
  69       websocket_id,
  70       Some(local_user_view.person.id),
  71       context,
  72     )
  73     .await
  74   }
  75 }
  76
  77 #[async_trait::async_trait(?Send)]
  78 impl PerformCrud for RemovePost {
  79   type Response = PostResponse;
  80
  81   async fn perform(
  82     &self,
  83     context: &Data<LemmyContext>,
  84     websocket_id: Option<ConnectionId>,
  85   ) -> Result<PostResponse, LemmyError> {
  86     let data: &RemovePost = self;
  87     let local_user_view =
  88       get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;
  89
  90     let post_id = data.post_id;
  91     let orig_post = blocking(context.pool(), move |conn| Post::read(conn, post_id)).await??;
  92
  93     check_community_ban(
  94       local_user_view.person.id,
  95       orig_post.community_id,
  96       context.pool(),
  97     )
  98     .await?;
  99
 100     // Verify that only the mods can remove
 101     is_mod_or_admin(
 102       context.pool(),
 103       local_user_view.person.id,
 104       orig_post.community_id,
 105     )
 106     .await?;
 107
 108     // Update the post
 109     let post_id = data.post_id;
 110     let removed = data.removed;
 111     let updated_post = blocking(context.pool(), move |conn| {
 112       Post::update_removed(conn, post_id, removed)
 113     })
 114     .await??;
 115
 116     // Mod tables
 117     let form = ModRemovePostForm {
 118       mod_person_id: local_user_view.person.id,
 119       post_id: data.post_id,
 120       removed: Some(removed),
 121       reason: data.reason.to_owned(),
 122     };
 123     blocking(context.pool(), move |conn| {
 124       ModRemovePost::create(conn, &form)
 125     })
 126     .await??;
 127
 128     // apub updates
 129     let community = blocking(context.pool(), move |conn| {
 130       Community::read(conn, orig_post.community_id)
 131     })
 132     .await??;
 133     send_apub_remove(
 134       &local_user_view.person,
 135       &community,
 136       updated_post.ap_id.into(),
 137       data.reason.clone().unwrap_or_else(|| "".to_string()),
 138       removed,
 139       context,
 140     )
 141     .await?;
 142
 143     send_post_ws_message(
 144       data.post_id,
 145       UserOperationCrud::RemovePost,
 146       websocket_id,
 147       Some(local_user_view.person.id),
 148       context,
 149     )
 150     .await
 151   }
 152 }