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https://github.com/LemmyNet/lemmy.git
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2732a5bf07
* Merge websocket crate into api_common * Add SendActivity trait so that api crates compile in parallel with lemmy_apub * Rework websocket code * fix websocket heartbeat
104 lines
3.5 KiB
Rust
104 lines
3.5 KiB
Rust
use crate::PerformCrud;
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use actix_web::web::Data;
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use lemmy_api_common::{
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context::LemmyContext,
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post::{GetPost, GetPostResponse},
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utils::{check_private_instance, get_local_user_view_from_jwt_opt, mark_post_as_read},
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};
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use lemmy_db_schema::{
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aggregates::structs::{PersonPostAggregates, PersonPostAggregatesForm},
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source::{comment::Comment, local_site::LocalSite},
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traits::{Crud, DeleteableOrRemoveable},
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};
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use lemmy_db_views::structs::PostView;
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use lemmy_db_views_actor::structs::{CommunityModeratorView, CommunityView};
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use lemmy_utils::{error::LemmyError, ConnectionId};
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#[async_trait::async_trait(?Send)]
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impl PerformCrud for GetPost {
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type Response = GetPostResponse;
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#[tracing::instrument(skip(context, _websocket_id))]
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async fn perform(
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&self,
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context: &Data<LemmyContext>,
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_websocket_id: Option<ConnectionId>,
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) -> Result<GetPostResponse, LemmyError> {
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let data: &GetPost = self;
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let local_user_view =
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get_local_user_view_from_jwt_opt(data.auth.as_ref(), context.pool(), context.secret())
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.await?;
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let local_site = LocalSite::read(context.pool()).await?;
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check_private_instance(&local_user_view, &local_site)?;
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let person_id = local_user_view.map(|u| u.person.id);
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// I'd prefer fetching the post_view by a comment join, but it adds a lot of boilerplate
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let post_id = if let Some(id) = data.id {
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id
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} else if let Some(comment_id) = data.comment_id {
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Comment::read(context.pool(), comment_id)
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.await
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.map_err(|e| LemmyError::from_error_message(e, "couldnt_find_post"))?
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.post_id
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} else {
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Err(LemmyError::from_message("couldnt_find_post"))?
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};
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let mut post_view = PostView::read(context.pool(), post_id, person_id)
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.await
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.map_err(|e| LemmyError::from_error_message(e, "couldnt_find_post"))?;
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// Mark the post as read
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let post_id = post_view.post.id;
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if let Some(person_id) = person_id {
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mark_post_as_read(person_id, post_id, context.pool()).await?;
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}
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// Necessary for the sidebar subscribed
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let community_id = post_view.community.id;
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let mut community_view = CommunityView::read(context.pool(), community_id, person_id)
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.await
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.map_err(|e| LemmyError::from_error_message(e, "couldnt_find_community"))?;
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// Insert into PersonPostAggregates
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// to update the read_comments count
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if let Some(person_id) = person_id {
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let read_comments = post_view.counts.comments;
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let person_post_agg_form = PersonPostAggregatesForm {
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person_id,
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post_id,
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read_comments,
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..PersonPostAggregatesForm::default()
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};
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PersonPostAggregates::upsert(context.pool(), &person_post_agg_form)
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.await
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.map_err(|e| LemmyError::from_error_message(e, "couldnt_find_post"))?;
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}
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// Blank out deleted or removed info for non-logged in users
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if person_id.is_none() {
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if post_view.post.deleted || post_view.post.removed {
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post_view.post = post_view.post.blank_out_deleted_or_removed_info();
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}
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if community_view.community.deleted || community_view.community.removed {
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community_view.community = community_view.community.blank_out_deleted_or_removed_info();
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}
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}
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let moderators = CommunityModeratorView::for_community(context.pool(), community_id).await?;
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let online = context.chat_server().get_post_users_online(post_id)?;
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// Return the jwt
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Ok(GetPostResponse {
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post_view,
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community_view,
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moderators,
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online,
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})
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}
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}
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