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   utils::{get_local_user_view_from_jwt, local_site_to_slur_regex},
   6   websocket::{send::send_community_ws_message, UserOperationCrud},
   7   LemmyContext,
   8 };
   9 use lemmy_apub::protocol::activities::community::update::UpdateCommunity;
  10 use lemmy_db_schema::{
  11   newtypes::PersonId,
  12   source::{
  13     actor_language::{CommunityLanguage, SiteLanguage},
  14     community::{Community, CommunityUpdateForm},
  15     local_site::LocalSite,
  16   },
  17   traits::Crud,
  18   utils::{diesel_option_overwrite, diesel_option_overwrite_to_url},
  19 };
  20 use lemmy_db_views_actor::structs::CommunityModeratorView;
  21 use lemmy_utils::{error::LemmyError, utils::check_slurs_opt, ConnectionId};
  22
  23 #[async_trait::async_trait(?Send)]
  24 impl PerformCrud for EditCommunity {
  25   type Response = CommunityResponse;
  26
  27   #[tracing::instrument(skip(context, websocket_id))]
  28   async fn perform(
  29     &self,
  30     context: &Data<LemmyContext>,
  31     websocket_id: Option<ConnectionId>,
  32   ) -> Result<CommunityResponse, LemmyError> {
  33     let data: &EditCommunity = self;
  34     let local_user_view =
  35       get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;
  36     let local_site = LocalSite::read(context.pool()).await?;
  37
  38     let icon = diesel_option_overwrite_to_url(&data.icon)?;
  39     let banner = diesel_option_overwrite_to_url(&data.banner)?;
  40     let description = diesel_option_overwrite(&data.description);
  41
  42     let slur_regex = local_site_to_slur_regex(&local_site);
  43     check_slurs_opt(&data.title, &slur_regex)?;
  44     check_slurs_opt(&data.description, &slur_regex)?;
  45
  46     // Verify its a mod (only mods can edit it)
  47     let community_id = data.community_id;
  48     let mods: Vec<PersonId> = CommunityModeratorView::for_community(context.pool(), community_id)
  49       .await
  50       .map(|v| v.into_iter().map(|m| m.moderator.id).collect())?;
  51     if !mods.contains(&local_user_view.person.id) {
  52       return Err(LemmyError::from_message("not_a_moderator"));
  53     }
  54
  55     let community_id = data.community_id;
  56     if let Some(languages) = data.discussion_languages.clone() {
  57       let site_languages = SiteLanguage::read_local(context.pool()).await?;
  58       // check that community languages are a subset of site languages
  59       // https://stackoverflow.com/a/64227550
  60       let is_subset = languages.iter().all(|item| site_languages.contains(item));
  61       if !is_subset {
  62         return Err(LemmyError::from_message("language_not_allowed"));
  63       }
  64       CommunityLanguage::update(context.pool(), languages, community_id).await?;
  65     }
  66
  67     let community_form = CommunityUpdateForm::builder()
  68       .title(data.title.clone())
  69       .description(description)
  70       .icon(icon)
  71       .banner(banner)
  72       .nsfw(data.nsfw)
  73       .posting_restricted_to_mods(data.posting_restricted_to_mods)
  74       .build();
  75
  76     let community_id = data.community_id;
  77     let updated_community = Community::update(context.pool(), community_id, &community_form)
  78       .await
  79       .map_err(|e| LemmyError::from_error_message(e, "couldnt_update_community"))?;
  80
  81     UpdateCommunity::send(
  82       updated_community.into(),
  83       &local_user_view.person.into(),
  84       context,
  85     )
  86     .await?;
  87
  88     let op = UserOperationCrud::EditCommunity;
  89     send_community_ws_message(data.community_id, op, websocket_id, None, context).await
  90   }
  91 }