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, LemmyErrorExt, LemmyErrorType},
  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(&mut 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> =
  47       CommunityModeratorView::for_community(&mut 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(LemmyErrorType::NotAModerator)?;
  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(&mut 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(LemmyErrorType::LanguageNotAllowed)?;
  62       }
  63       CommunityLanguage::update(&mut 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(&mut context.pool(), community_id, &community_form)
  78       .await
  79       .with_lemmy_type(LemmyErrorType::CouldntUpdateCommunity)?;
  80
  81     build_community_response(context, local_user_view, community_id).await
  82   }
  83 }