crates/api/src/site/search.rs

   1 use crate::Perform;
   2 use actix_web::web::Data;
   3 use lemmy_api_common::{
   4   site::{Search, SearchResponse},
   5   utils::{check_private_instance, get_local_user_view_from_jwt_opt},
   6 };
   7 use lemmy_apub::{fetcher::resolve_actor_identifier, objects::community::ApubCommunity};
   8 use lemmy_db_schema::{
   9   source::{community::Community, local_site::LocalSite},
  10   traits::DeleteableOrRemoveable,
  11   utils::post_to_comment_sort_type,
  12   SearchType,
  13 };
  14 use lemmy_db_views::{comment_view::CommentQuery, post_view::PostQuery};
  15 use lemmy_db_views_actor::{community_view::CommunityQuery, person_view::PersonQuery};
  16 use lemmy_utils::{error::LemmyError, ConnectionId};
  17 use lemmy_websocket::LemmyContext;
  18
  19 #[async_trait::async_trait(?Send)]
  20 impl Perform for Search {
  21   type Response = SearchResponse;
  22
  23   #[tracing::instrument(skip(context, _websocket_id))]
  24   async fn perform(
  25     &self,
  26     context: &Data<LemmyContext>,
  27     _websocket_id: Option<ConnectionId>,
  28   ) -> Result<SearchResponse, LemmyError> {
  29     let data: &Search = self;
  30
  31     let local_user_view =
  32       get_local_user_view_from_jwt_opt(data.auth.as_ref(), context.pool(), context.secret())
  33         .await?;
  34     let local_site = LocalSite::read(context.pool()).await?;
  35
  36     check_private_instance(&local_user_view, &local_site)?;
  37
  38     let person_id = local_user_view.as_ref().map(|u| u.person.id);
  39     let local_user = local_user_view.map(|l| l.local_user);
  40
  41     let mut posts = Vec::new();
  42     let mut comments = Vec::new();
  43     let mut communities = Vec::new();
  44     let mut users = Vec::new();
  45
  46     // TODO no clean / non-nsfw searching rn
  47
  48     let q = data.q.clone();
  49     let page = data.page;
  50     let limit = data.limit;
  51     let sort = data.sort;
  52     let listing_type = data.listing_type;
  53     let search_type = data.type_.unwrap_or(SearchType::All);
  54     let community_id = data.community_id;
  55     let community_actor_id = if let Some(name) = &data.community_name {
  56       resolve_actor_identifier::<ApubCommunity, Community>(name, context, false)
  57         .await
  58         .ok()
  59         .map(|c| c.actor_id)
  60     } else {
  61       None
  62     };
  63     let creator_id = data.creator_id;
  64     match search_type {
  65       SearchType::Posts => {
  66         posts = PostQuery::builder()
  67           .pool(context.pool())
  68           .sort(sort)
  69           .listing_type(listing_type)
  70           .community_id(community_id)
  71           .community_actor_id(community_actor_id)
  72           .creator_id(creator_id)
  73           .local_user(local_user.as_ref())
  74           .search_term(Some(q))
  75           .page(page)
  76           .limit(limit)
  77           .build()
  78           .list()
  79           .await?;
  80       }
  81       SearchType::Comments => {
  82         comments = CommentQuery::builder()
  83           .pool(context.pool())
  84           .sort(sort.map(post_to_comment_sort_type))
  85           .listing_type(listing_type)
  86           .search_term(Some(q))
  87           .community_id(community_id)
  88           .community_actor_id(community_actor_id)
  89           .creator_id(creator_id)
  90           .local_user(local_user.as_ref())
  91           .page(page)
  92           .limit(limit)
  93           .build()
  94           .list()
  95           .await?;
  96       }
  97       SearchType::Communities => {
  98         communities = CommunityQuery::builder()
  99           .pool(context.pool())
 100           .sort(sort)
 101           .listing_type(listing_type)
 102           .search_term(Some(q))
 103           .local_user(local_user.as_ref())
 104           .page(page)
 105           .limit(limit)
 106           .build()
 107           .list()
 108           .await?;
 109       }
 110       SearchType::Users => {
 111         users = PersonQuery::builder()
 112           .pool(context.pool())
 113           .sort(sort)
 114           .search_term(Some(q))
 115           .page(page)
 116           .limit(limit)
 117           .build()
 118           .list()
 119           .await?;
 120       }
 121       SearchType::All => {
 122         // If the community or creator is included, dont search communities or users
 123         let community_or_creator_included =
 124           data.community_id.is_some() || data.community_name.is_some() || data.creator_id.is_some();
 125         let community_actor_id_2 = community_actor_id.clone();
 126
 127         let local_user_ = local_user.clone();
 128         posts = PostQuery::builder()
 129           .pool(context.pool())
 130           .sort(sort)
 131           .listing_type(listing_type)
 132           .community_id(community_id)
 133           .community_actor_id(community_actor_id_2)
 134           .creator_id(creator_id)
 135           .local_user(local_user_.as_ref())
 136           .search_term(Some(q))
 137           .page(page)
 138           .limit(limit)
 139           .build()
 140           .list()
 141           .await?;
 142
 143         let q = data.q.clone();
 144         let community_actor_id = community_actor_id.clone();
 145
 146         let local_user_ = local_user.clone();
 147         comments = CommentQuery::builder()
 148           .pool(context.pool())
 149           .sort(sort.map(post_to_comment_sort_type))
 150           .listing_type(listing_type)
 151           .search_term(Some(q))
 152           .community_id(community_id)
 153           .community_actor_id(community_actor_id)
 154           .creator_id(creator_id)
 155           .local_user(local_user_.as_ref())
 156           .page(page)
 157           .limit(limit)
 158           .build()
 159           .list()
 160           .await?;
 161
 162         let q = data.q.clone();
 163
 164         communities = if community_or_creator_included {
 165           vec![]
 166         } else {
 167           CommunityQuery::builder()
 168             .pool(context.pool())
 169             .sort(sort)
 170             .listing_type(listing_type)
 171             .search_term(Some(q))
 172             .local_user(local_user.as_ref())
 173             .page(page)
 174             .limit(limit)
 175             .build()
 176             .list()
 177             .await?
 178         };
 179
 180         let q = data.q.clone();
 181
 182         users = if community_or_creator_included {
 183           vec![]
 184         } else {
 185           PersonQuery::builder()
 186             .pool(context.pool())
 187             .sort(sort)
 188             .search_term(Some(q))
 189             .page(page)
 190             .limit(limit)
 191             .build()
 192             .list()
 193             .await?
 194         };
 195       }
 196       SearchType::Url => {
 197         posts = PostQuery::builder()
 198           .pool(context.pool())
 199           .sort(sort)
 200           .listing_type(listing_type)
 201           .community_id(community_id)
 202           .community_actor_id(community_actor_id)
 203           .creator_id(creator_id)
 204           .url_search(Some(q))
 205           .page(page)
 206           .limit(limit)
 207           .build()
 208           .list()
 209           .await?;
 210       }
 211     };
 212
 213     // Blank out deleted or removed info for non logged in users
 214     if person_id.is_none() {
 215       for cv in communities
 216         .iter_mut()
 217         .filter(|cv| cv.community.deleted || cv.community.removed)
 218       {
 219         cv.community = cv.clone().community.blank_out_deleted_or_removed_info();
 220       }
 221
 222       for pv in posts
 223         .iter_mut()
 224         .filter(|p| p.post.deleted || p.post.removed)
 225       {
 226         pv.post = pv.clone().post.blank_out_deleted_or_removed_info();
 227       }
 228
 229       for cv in comments
 230         .iter_mut()
 231         .filter(|cv| cv.comment.deleted || cv.comment.removed)
 232       {
 233         cv.comment = cv.clone().comment.blank_out_deleted_or_removed_info();
 234       }
 235     }
 236
 237     // Return the jwt
 238     Ok(SearchResponse {
 239       type_: search_type.to_string(),
 240       comments,
 241       posts,
 242       communities,
 243       users,
 244     })
 245   }
 246 }