crates/api_common/src/build_response.rs

   1 use crate::{
   2   comment::CommentResponse,
   3   community::CommunityResponse,
   4   context::LemmyContext,
   5   post::PostResponse,
   6   utils::{check_person_block, get_interface_language, is_mod_or_admin, send_email_to_user},
   7 };
   8 use actix_web::web::Data;
   9 use lemmy_db_schema::{
  10   newtypes::{CommentId, CommunityId, LocalUserId, PersonId, PostId},
  11   source::{
  12     actor_language::CommunityLanguage,
  13     comment::Comment,
  14     comment_reply::{CommentReply, CommentReplyInsertForm},
  15     person::Person,
  16     person_mention::{PersonMention, PersonMentionInsertForm},
  17     post::Post,
  18   },
  19   traits::Crud,
  20 };
  21 use lemmy_db_views::structs::{CommentView, LocalUserView, PostView};
  22 use lemmy_db_views_actor::structs::CommunityView;
  23 use lemmy_utils::{error::LemmyError, utils::mention::MentionData};
  24
  25 pub async fn build_comment_response(
  26   context: &Data<LemmyContext>,
  27   comment_id: CommentId,
  28   local_user_view: Option<LocalUserView>,
  29   form_id: Option<String>,
  30   recipient_ids: Vec<LocalUserId>,
  31 ) -> Result<CommentResponse, LemmyError> {
  32   let person_id = local_user_view.map(|l| l.person.id);
  33   let comment_view = CommentView::read(context.pool(), comment_id, person_id).await?;
  34   Ok(CommentResponse {
  35     comment_view,
  36     recipient_ids,
  37     form_id,
  38   })
  39 }
  40
  41 pub async fn build_community_response(
  42   context: &Data<LemmyContext>,
  43   local_user_view: LocalUserView,
  44   community_id: CommunityId,
  45 ) -> Result<CommunityResponse, LemmyError> {
  46   let is_mod_or_admin = is_mod_or_admin(context.pool(), local_user_view.person.id, community_id)
  47     .await
  48     .is_ok();
  49   let person_id = local_user_view.person.id;
  50   let community_view = CommunityView::read(
  51     context.pool(),
  52     community_id,
  53     Some(person_id),
  54     Some(is_mod_or_admin),
  55   )
  56   .await?;
  57   let discussion_languages = CommunityLanguage::read(context.pool(), community_id).await?;
  58
  59   Ok(CommunityResponse {
  60     community_view,
  61     discussion_languages,
  62   })
  63 }
  64
  65 pub async fn build_post_response(
  66   context: &Data<LemmyContext>,
  67   community_id: CommunityId,
  68   person_id: PersonId,
  69   post_id: PostId,
  70 ) -> Result<PostResponse, LemmyError> {
  71   let is_mod_or_admin = is_mod_or_admin(context.pool(), person_id, community_id)
  72     .await
  73     .is_ok();
  74   let post_view = PostView::read(
  75     context.pool(),
  76     post_id,
  77     Some(person_id),
  78     Some(is_mod_or_admin),
  79   )
  80   .await?;
  81   Ok(PostResponse { post_view })
  82 }
  83
  84 // TODO: this function is a mess and should be split up to handle email seperately
  85 #[tracing::instrument(skip_all)]
  86 pub async fn send_local_notifs(
  87   mentions: Vec<MentionData>,
  88   comment: &Comment,
  89   person: &Person,
  90   post: &Post,
  91   do_send_email: bool,
  92   context: &LemmyContext,
  93 ) -> Result<Vec<LocalUserId>, LemmyError> {
  94   let mut recipient_ids = Vec::new();
  95   let inbox_link = format!("{}/inbox", context.settings().get_protocol_and_hostname());
  96
  97   // Send the local mentions
  98   for mention in mentions
  99     .iter()
 100     .filter(|m| m.is_local(&context.settings().hostname) && m.name.ne(&person.name))
 101     .collect::<Vec<&MentionData>>()
 102   {
 103     let mention_name = mention.name.clone();
 104     let user_view = LocalUserView::read_from_name(context.pool(), &mention_name).await;
 105     if let Ok(mention_user_view) = user_view {
 106       // TODO
 107       // At some point, make it so you can't tag the parent creator either
 108       // This can cause two notifications, one for reply and the other for mention
 109       recipient_ids.push(mention_user_view.local_user.id);
 110
 111       let user_mention_form = PersonMentionInsertForm {
 112         recipient_id: mention_user_view.person.id,
 113         comment_id: comment.id,
 114         read: None,
 115       };
 116
 117       // Allow this to fail softly, since comment edits might re-update or replace it
 118       // Let the uniqueness handle this fail
 119       PersonMention::create(context.pool(), &user_mention_form)
 120         .await
 121         .ok();
 122
 123       // Send an email to those local users that have notifications on
 124       if do_send_email {
 125         let lang = get_interface_language(&mention_user_view);
 126         send_email_to_user(
 127           &mention_user_view,
 128           &lang.notification_mentioned_by_subject(&person.name),
 129           &lang.notification_mentioned_by_body(&comment.content, &inbox_link, &person.name),
 130           context.settings(),
 131         )
 132       }
 133     }
 134   }
 135
 136   // Send comment_reply to the parent commenter / poster
 137   if let Some(parent_comment_id) = comment.parent_comment_id() {
 138     let parent_comment = Comment::read(context.pool(), parent_comment_id).await?;
 139
 140     // Get the parent commenter local_user
 141     let parent_creator_id = parent_comment.creator_id;
 142
 143     // Only add to recipients if that person isn't blocked
 144     let creator_blocked = check_person_block(person.id, parent_creator_id, context.pool())
 145       .await
 146       .is_err();
 147
 148     // Don't send a notif to yourself
 149     if parent_comment.creator_id != person.id && !creator_blocked {
 150       let user_view = LocalUserView::read_person(context.pool(), parent_creator_id).await;
 151       if let Ok(parent_user_view) = user_view {
 152         recipient_ids.push(parent_user_view.local_user.id);
 153
 154         let comment_reply_form = CommentReplyInsertForm {
 155           recipient_id: parent_user_view.person.id,
 156           comment_id: comment.id,
 157           read: None,
 158         };
 159
 160         // Allow this to fail softly, since comment edits might re-update or replace it
 161         // Let the uniqueness handle this fail
 162         CommentReply::create(context.pool(), &comment_reply_form)
 163           .await
 164           .ok();
 165
 166         if do_send_email {
 167           let lang = get_interface_language(&parent_user_view);
 168           send_email_to_user(
 169             &parent_user_view,
 170             &lang.notification_comment_reply_subject(&person.name),
 171             &lang.notification_comment_reply_body(&comment.content, &inbox_link, &person.name),
 172             context.settings(),
 173           )
 174         }
 175       }
 176     }
 177   } else {
 178     // If there's no parent, its the post creator
 179     // Only add to recipients if that person isn't blocked
 180     let creator_blocked = check_person_block(person.id, post.creator_id, context.pool())
 181       .await
 182       .is_err();
 183
 184     if post.creator_id != person.id && !creator_blocked {
 185       let creator_id = post.creator_id;
 186       let parent_user = LocalUserView::read_person(context.pool(), creator_id).await;
 187       if let Ok(parent_user_view) = parent_user {
 188         recipient_ids.push(parent_user_view.local_user.id);
 189
 190         let comment_reply_form = CommentReplyInsertForm {
 191           recipient_id: parent_user_view.person.id,
 192           comment_id: comment.id,
 193           read: None,
 194         };
 195
 196         // Allow this to fail softly, since comment edits might re-update or replace it
 197         // Let the uniqueness handle this fail
 198         CommentReply::create(context.pool(), &comment_reply_form)
 199           .await
 200           .ok();
 201
 202         if do_send_email {
 203           let lang = get_interface_language(&parent_user_view);
 204           send_email_to_user(
 205             &parent_user_view,
 206             &lang.notification_post_reply_subject(&person.name),
 207             &lang.notification_post_reply_body(&comment.content, &inbox_link, &person.name),
 208             context.settings(),
 209           )
 210         }
 211       }
 212     }
 213   }
 214
 215   Ok(recipient_ids)
 216 }