crates/api_crud/src/community/update.rs

   1 use crate::PerformCrud;
   2 use actix_web::web::Data;
   3 use lemmy_api_common::{
   4   community::{CommunityResponse, EditCommunity},
   5   context::LemmyContext,
   6   utils::{get_local_user_view_from_jwt, local_site_to_slur_regex},
   7   websocket::UserOperationCrud,
   8 };
   9 use lemmy_db_schema::{
  10   newtypes::PersonId,
  11   source::{
  12     actor_language::{CommunityLanguage, SiteLanguage},
  13     community::{Community, CommunityUpdateForm},
  14     local_site::LocalSite,
  15   },
  16   traits::Crud,
  17   utils::{diesel_option_overwrite, diesel_option_overwrite_to_url, naive_now},
  18 };
  19 use lemmy_db_views_actor::structs::CommunityModeratorView;
  20 use lemmy_utils::{error::LemmyError, utils::slurs::check_slurs_opt, ConnectionId};
  21
  22 #[async_trait::async_trait(?Send)]
  23 impl PerformCrud for EditCommunity {
  24   type Response = CommunityResponse;
  25
  26   #[tracing::instrument(skip(context, websocket_id))]
  27   async fn perform(
  28     &self,
  29     context: &Data<LemmyContext>,
  30     websocket_id: Option<ConnectionId>,
  31   ) -> Result<CommunityResponse, LemmyError> {
  32     let data: &EditCommunity = self;
  33     let local_user_view =
  34       get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;
  35     let local_site = LocalSite::read(context.pool()).await?;
  36
  37     let icon = diesel_option_overwrite_to_url(&data.icon)?;
  38     let banner = diesel_option_overwrite_to_url(&data.banner)?;
  39     let description = diesel_option_overwrite(&data.description);
  40
  41     let slur_regex = local_site_to_slur_regex(&local_site);
  42     check_slurs_opt(&data.title, &slur_regex)?;
  43     check_slurs_opt(&data.description, &slur_regex)?;
  44
  45     // Verify its a mod (only mods can edit it)
  46     let community_id = data.community_id;
  47     let mods: Vec<PersonId> = CommunityModeratorView::for_community(context.pool(), community_id)
  48       .await
  49       .map(|v| v.into_iter().map(|m| m.moderator.id).collect())?;
  50     if !mods.contains(&local_user_view.person.id) {
  51       return Err(LemmyError::from_message("not_a_moderator"));
  52     }
  53
  54     let community_id = data.community_id;
  55     if let Some(languages) = data.discussion_languages.clone() {
  56       let site_languages = SiteLanguage::read_local_raw(context.pool()).await?;
  57       // check that community languages are a subset of site languages
  58       // https://stackoverflow.com/a/64227550
  59       let is_subset = languages.iter().all(|item| site_languages.contains(item));
  60       if !is_subset {
  61         return Err(LemmyError::from_message("language_not_allowed"));
  62       }
  63       CommunityLanguage::update(context.pool(), languages, community_id).await?;
  64     }
  65
  66     let community_form = CommunityUpdateForm::builder()
  67       .title(data.title.clone())
  68       .description(description)
  69       .icon(icon)
  70       .banner(banner)
  71       .nsfw(data.nsfw)
  72       .posting_restricted_to_mods(data.posting_restricted_to_mods)
  73       .updated(Some(Some(naive_now())))
  74       .build();
  75
  76     let community_id = data.community_id;
  77     Community::update(context.pool(), community_id, &community_form)
  78       .await
  79       .map_err(|e| LemmyError::from_error_message(e, "couldnt_update_community"))?;
  80
  81     context
  82       .send_community_ws_message(
  83         &UserOperationCrud::EditCommunity,
  84         data.community_id,
  85         websocket_id,
  86         None,
  87       )
  88       .await
  89   }
  90 }