crates/api_crud/src/community/update.rs

   1 use crate::PerformCrud;
   2 use actix_web::web::Data;
   3 use lemmy_api_common::{
   4   build_response::build_community_response,
   5   community::{CommunityResponse, EditCommunity},
   6   context::LemmyContext,
   7   utils::{local_site_to_slur_regex, local_user_view_from_jwt},
   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::{
  21   error::LemmyError,
  22   utils::{slurs::check_slurs_opt, validation::is_valid_body_field},
  23 };
  24
  25 #[async_trait::async_trait(?Send)]
  26 impl PerformCrud for EditCommunity {
  27   type Response = CommunityResponse;
  28
  29   #[tracing::instrument(skip(context))]
  30   async fn perform(&self, context: &Data<LemmyContext>) -> Result<CommunityResponse, LemmyError> {
  31     let data: &EditCommunity = self;
  32     let local_user_view = local_user_view_from_jwt(&data.auth, context).await?;
  33     let local_site = LocalSite::read(context.pool()).await?;
  34
  35     let icon = diesel_option_overwrite_to_url(&data.icon)?;
  36     let banner = diesel_option_overwrite_to_url(&data.banner)?;
  37     let description = diesel_option_overwrite(&data.description);
  38
  39     let slur_regex = local_site_to_slur_regex(&local_site);
  40     check_slurs_opt(&data.title, &slur_regex)?;
  41     check_slurs_opt(&data.description, &slur_regex)?;
  42     is_valid_body_field(&data.description, false)?;
  43
  44     // Verify its a mod (only mods can edit it)
  45     let community_id = data.community_id;
  46     let mods: Vec<PersonId> = CommunityModeratorView::for_community(context.pool(), community_id)
  47       .await
  48       .map(|v| v.into_iter().map(|m| m.moderator.id).collect())?;
  49     if !mods.contains(&local_user_view.person.id) {
  50       return Err(LemmyError::from_message("not_a_moderator"));
  51     }
  52
  53     let community_id = data.community_id;
  54     if let Some(languages) = data.discussion_languages.clone() {
  55       let site_languages = SiteLanguage::read_local_raw(context.pool()).await?;
  56       // check that community languages are a subset of site languages
  57       // https://stackoverflow.com/a/64227550
  58       let is_subset = languages.iter().all(|item| site_languages.contains(item));
  59       if !is_subset {
  60         return Err(LemmyError::from_message("language_not_allowed"));
  61       }
  62       CommunityLanguage::update(context.pool(), languages, community_id).await?;
  63     }
  64
  65     let community_form = CommunityUpdateForm::builder()
  66       .title(data.title.clone())
  67       .description(description)
  68       .icon(icon)
  69       .banner(banner)
  70       .nsfw(data.nsfw)
  71       .posting_restricted_to_mods(data.posting_restricted_to_mods)
  72       .updated(Some(Some(naive_now())))
  73       .build();
  74
  75     let community_id = data.community_id;
  76     Community::update(context.pool(), community_id, &community_form)
  77       .await
  78       .map_err(|e| LemmyError::from_error_message(e, "couldnt_update_community"))?;
  79
  80     build_community_response(context, local_user_view, community_id).await
  81   }
  82 }