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   check_community_deleted_or_removed,
   7   get_local_user_view_from_jwt,
   8   is_mod_or_admin,
   9   post::*,
  10 };
  11 use lemmy_apub::activities::deletion::{send_apub_delete, send_apub_remove};
  12 use lemmy_db_queries::{source::post::Post_, Crud};
  13 use lemmy_db_schema::source::{community::Community, moderator::*, post::*};
  14 use lemmy_utils::{ApiError, ConnectionId, LemmyError};
  15 use lemmy_websocket::{send::send_post_ws_message, LemmyContext, UserOperationCrud};
  16
  17 #[async_trait::async_trait(?Send)]
  18 impl PerformCrud for DeletePost {
  19   type Response = PostResponse;
  20
  21   async fn perform(
  22     &self,
  23     context: &Data<LemmyContext>,
  24     websocket_id: Option<ConnectionId>,
  25   ) -> Result<PostResponse, LemmyError> {
  26     let data: &DeletePost = self;
  27     let local_user_view =
  28       get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;
  29
  30     let post_id = data.post_id;
  31     let orig_post = blocking(context.pool(), move |conn| Post::read(conn, post_id)).await??;
  32
  33     check_community_ban(
  34       local_user_view.person.id,
  35       orig_post.community_id,
  36       context.pool(),
  37     )
  38     .await?;
  39     check_community_deleted_or_removed(orig_post.community_id, context.pool()).await?;
  40
  41     // Verify that only the creator can delete
  42     if !Post::is_post_creator(local_user_view.person.id, orig_post.creator_id) {
  43       return Err(ApiError::err_plain("no_post_edit_allowed").into());
  44     }
  45
  46     // Update the post
  47     let post_id = data.post_id;
  48     let deleted = data.deleted;
  49     let updated_post = blocking(context.pool(), move |conn| {
  50       Post::update_deleted(conn, post_id, deleted)
  51     })
  52     .await??;
  53
  54     // apub updates
  55     let community = blocking(context.pool(), move |conn| {
  56       Community::read(conn, orig_post.community_id)
  57     })
  58     .await??;
  59     send_apub_delete(
  60       &local_user_view.person,
  61       &community,
  62       updated_post.ap_id.into(),
  63       deleted,
  64       context,
  65     )
  66     .await?;
  67
  68     send_post_ws_message(
  69       data.post_id,
  70       UserOperationCrud::DeletePost,
  71       websocket_id,
  72       Some(local_user_view.person.id),
  73       context,
  74     )
  75     .await
  76   }
  77 }
  78
  79 #[async_trait::async_trait(?Send)]
  80 impl PerformCrud for RemovePost {
  81   type Response = PostResponse;
  82
  83   async fn perform(
  84     &self,
  85     context: &Data<LemmyContext>,
  86     websocket_id: Option<ConnectionId>,
  87   ) -> Result<PostResponse, LemmyError> {
  88     let data: &RemovePost = self;
  89     let local_user_view =
  90       get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;
  91
  92     let post_id = data.post_id;
  93     let orig_post = blocking(context.pool(), move |conn| Post::read(conn, post_id)).await??;
  94
  95     check_community_ban(
  96       local_user_view.person.id,
  97       orig_post.community_id,
  98       context.pool(),
  99     )
 100     .await?;
 101
 102     // Verify that only the mods can remove
 103     is_mod_or_admin(
 104       context.pool(),
 105       local_user_view.person.id,
 106       orig_post.community_id,
 107     )
 108     .await?;
 109
 110     // Update the post
 111     let post_id = data.post_id;
 112     let removed = data.removed;
 113     let updated_post = blocking(context.pool(), move |conn| {
 114       Post::update_removed(conn, post_id, removed)
 115     })
 116     .await??;
 117
 118     // Mod tables
 119     let form = ModRemovePostForm {
 120       mod_person_id: local_user_view.person.id,
 121       post_id: data.post_id,
 122       removed: Some(removed),
 123       reason: data.reason.to_owned(),
 124     };
 125     blocking(context.pool(), move |conn| {
 126       ModRemovePost::create(conn, &form)
 127     })
 128     .await??;
 129
 130     // apub updates
 131     let community = blocking(context.pool(), move |conn| {
 132       Community::read(conn, orig_post.community_id)
 133     })
 134     .await??;
 135     send_apub_remove(
 136       &local_user_view.person,
 137       &community,
 138       updated_post.ap_id.into(),
 139       data.reason.clone().unwrap_or_else(|| "".to_string()),
 140       removed,
 141       context,
 142     )
 143     .await?;
 144
 145     send_post_ws_message(
 146       data.post_id,
 147       UserOperationCrud::RemovePost,
 148       websocket_id,
 149       Some(local_user_view.person.id),
 150       context,
 151     )
 152     .await
 153   }
 154 }