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::{blocking, 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 = blocking(context.pool(), LocalSite::read).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.to_owned();
  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 = blocking(context.pool(), move |conn| {
  67           PostQuery::builder()
  68             .conn(conn)
  69             .sort(sort)
  70             .listing_type(listing_type)
  71             .community_id(community_id)
  72             .community_actor_id(community_actor_id)
  73             .creator_id(creator_id)
  74             .local_user(local_user.as_ref())
  75             .search_term(Some(q))
  76             .page(page)
  77             .limit(limit)
  78             .build()
  79             .list()
  80         })
  81         .await??;
  82       }
  83       SearchType::Comments => {
  84         comments = blocking(context.pool(), move |conn| {
  85           CommentQuery::builder()
  86             .conn(conn)
  87             .sort(sort.map(post_to_comment_sort_type))
  88             .listing_type(listing_type)
  89             .search_term(Some(q))
  90             .community_id(community_id)
  91             .community_actor_id(community_actor_id)
  92             .creator_id(creator_id)
  93             .local_user(local_user.as_ref())
  94             .page(page)
  95             .limit(limit)
  96             .build()
  97             .list()
  98         })
  99         .await??;
 100       }
 101       SearchType::Communities => {
 102         communities = blocking(context.pool(), move |conn| {
 103           CommunityQuery::builder()
 104             .conn(conn)
 105             .sort(sort)
 106             .listing_type(listing_type)
 107             .search_term(Some(q))
 108             .local_user(local_user.as_ref())
 109             .page(page)
 110             .limit(limit)
 111             .build()
 112             .list()
 113         })
 114         .await??;
 115       }
 116       SearchType::Users => {
 117         users = blocking(context.pool(), move |conn| {
 118           PersonQuery::builder()
 119             .conn(conn)
 120             .sort(sort)
 121             .search_term(Some(q))
 122             .page(page)
 123             .limit(limit)
 124             .build()
 125             .list()
 126         })
 127         .await??;
 128       }
 129       SearchType::All => {
 130         // If the community or creator is included, dont search communities or users
 131         let community_or_creator_included =
 132           data.community_id.is_some() || data.community_name.is_some() || data.creator_id.is_some();
 133         let community_actor_id_2 = community_actor_id.to_owned();
 134
 135         let local_user_ = local_user.clone();
 136         posts = blocking(context.pool(), move |conn| {
 137           PostQuery::builder()
 138             .conn(conn)
 139             .sort(sort)
 140             .listing_type(listing_type)
 141             .community_id(community_id)
 142             .community_actor_id(community_actor_id_2)
 143             .creator_id(creator_id)
 144             .local_user(local_user_.as_ref())
 145             .search_term(Some(q))
 146             .page(page)
 147             .limit(limit)
 148             .build()
 149             .list()
 150         })
 151         .await??;
 152
 153         let q = data.q.to_owned();
 154         let community_actor_id = community_actor_id.to_owned();
 155
 156         let local_user_ = local_user.clone();
 157         comments = blocking(context.pool(), move |conn| {
 158           CommentQuery::builder()
 159             .conn(conn)
 160             .sort(sort.map(post_to_comment_sort_type))
 161             .listing_type(listing_type)
 162             .search_term(Some(q))
 163             .community_id(community_id)
 164             .community_actor_id(community_actor_id)
 165             .creator_id(creator_id)
 166             .local_user(local_user_.as_ref())
 167             .page(page)
 168             .limit(limit)
 169             .build()
 170             .list()
 171         })
 172         .await??;
 173
 174         let q = data.q.to_owned();
 175
 176         communities = if community_or_creator_included {
 177           vec![]
 178         } else {
 179           blocking(context.pool(), move |conn| {
 180             CommunityQuery::builder()
 181               .conn(conn)
 182               .sort(sort)
 183               .listing_type(listing_type)
 184               .search_term(Some(q))
 185               .local_user(local_user.as_ref())
 186               .page(page)
 187               .limit(limit)
 188               .build()
 189               .list()
 190           })
 191           .await??
 192         };
 193
 194         let q = data.q.to_owned();
 195
 196         users = if community_or_creator_included {
 197           vec![]
 198         } else {
 199           blocking(context.pool(), move |conn| {
 200             PersonQuery::builder()
 201               .conn(conn)
 202               .sort(sort)
 203               .search_term(Some(q))
 204               .page(page)
 205               .limit(limit)
 206               .build()
 207               .list()
 208           })
 209           .await??
 210         };
 211       }
 212       SearchType::Url => {
 213         posts = blocking(context.pool(), move |conn| {
 214           PostQuery::builder()
 215             .conn(conn)
 216             .sort(sort)
 217             .listing_type(listing_type)
 218             .community_id(community_id)
 219             .community_actor_id(community_actor_id)
 220             .creator_id(creator_id)
 221             .url_search(Some(q))
 222             .page(page)
 223             .limit(limit)
 224             .build()
 225             .list()
 226         })
 227         .await??;
 228       }
 229     };
 230
 231     // Blank out deleted or removed info for non logged in users
 232     if person_id.is_none() {
 233       for cv in communities
 234         .iter_mut()
 235         .filter(|cv| cv.community.deleted || cv.community.removed)
 236       {
 237         cv.community = cv.to_owned().community.blank_out_deleted_or_removed_info();
 238       }
 239
 240       for pv in posts
 241         .iter_mut()
 242         .filter(|p| p.post.deleted || p.post.removed)
 243       {
 244         pv.post = pv.to_owned().post.blank_out_deleted_or_removed_info();
 245       }
 246
 247       for cv in comments
 248         .iter_mut()
 249         .filter(|cv| cv.comment.deleted || cv.comment.removed)
 250       {
 251         cv.comment = cv.to_owned().comment.blank_out_deleted_or_removed_info();
 252       }
 253     }
 254
 255     // Return the jwt
 256     Ok(SearchResponse {
 257       type_: search_type.to_string(),
 258       comments,
 259       posts,
 260       communities,
 261       users,
 262     })
 263   }
 264 }