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