]> Untitled Git - lemmy.git/blobdiff - crates/api_crud/src/post/read.rs
Make functions work with both connection and pool (#3420)
[lemmy.git] / crates / api_crud / src / post / read.rs
index 32388910180521b4ea594c3428588e19eb555577..af19402ee3e0c82bbb18daeab573237d214f401d 100644 (file)
 use crate::PerformCrud;
 use actix_web::web::Data;
-use lemmy_api_common::{blocking, get_local_user_view_from_jwt_opt, post::*};
-use lemmy_db_queries::{ListingType, SortType};
-use lemmy_db_views::{
-  comment_view::CommentQueryBuilder,
-  post_view::{PostQueryBuilder, PostView},
+use lemmy_api_common::{
+  context::LemmyContext,
+  post::{GetPost, GetPostResponse},
+  utils::{
+    check_private_instance,
+    is_mod_or_admin_opt,
+    local_user_view_from_jwt_opt,
+    mark_post_as_read,
+  },
 };
-use lemmy_db_views_actor::{
-  community_moderator_view::CommunityModeratorView,
-  community_view::CommunityView,
+use lemmy_db_schema::{
+  aggregates::structs::{PersonPostAggregates, PersonPostAggregatesForm},
+  source::{comment::Comment, local_site::LocalSite, post::Post},
+  traits::Crud,
 };
-use lemmy_utils::{ApiError, ConnectionId, LemmyError};
-use lemmy_websocket::{messages::GetPostUsersOnline, LemmyContext};
-use std::str::FromStr;
+use lemmy_db_views::{post_view::PostQuery, structs::PostView};
+use lemmy_db_views_actor::structs::{CommunityModeratorView, CommunityView};
+use lemmy_utils::error::{LemmyError, LemmyErrorExt, LemmyErrorType};
 
 #[async_trait::async_trait(?Send)]
 impl PerformCrud for GetPost {
   type Response = GetPostResponse;
 
-  async fn perform(
-    &self,
-    context: &Data<LemmyContext>,
-    _websocket_id: Option<ConnectionId>,
-  ) -> Result<GetPostResponse, LemmyError> {
-    let data: &GetPost = &self;
-    let local_user_view = get_local_user_view_from_jwt_opt(&data.auth, context.pool()).await?;
-    let person_id = local_user_view.map(|u| u.person.id);
-
-    let id = data.id;
-    let post_view = blocking(context.pool(), move |conn| {
-      PostView::read(conn, id, person_id)
-    })
-    .await?
-    .map_err(|_| ApiError::err("couldnt_find_post"))?;
+  #[tracing::instrument(skip(context))]
+  async fn perform(&self, context: &Data<LemmyContext>) -> Result<GetPostResponse, LemmyError> {
+    let data: &GetPost = self;
+    let local_user_view = local_user_view_from_jwt_opt(data.auth.as_ref(), context).await;
+    let local_site = LocalSite::read(&mut context.pool()).await?;
+
+    check_private_instance(&local_user_view, &local_site)?;
+
+    let person_id = local_user_view.as_ref().map(|u| u.person.id);
+
+    // I'd prefer fetching the post_view by a comment join, but it adds a lot of boilerplate
+    let post_id = if let Some(id) = data.id {
+      id
+    } else if let Some(comment_id) = data.comment_id {
+      Comment::read(&mut context.pool(), comment_id)
+        .await
+        .with_lemmy_type(LemmyErrorType::CouldntFindPost)?
+        .post_id
+    } else {
+      Err(LemmyErrorType::CouldntFindPost)?
+    };
 
-    let id = data.id;
-    let comments = blocking(context.pool(), move |conn| {
-      CommentQueryBuilder::create(conn)
-        .my_person_id(person_id)
-        .post_id(id)
-        .limit(9999)
+    // Check to see if the person is a mod or admin, to show deleted / removed
+    let community_id = Post::read(&mut context.pool(), post_id).await?.community_id;
+    let is_mod_or_admin = is_mod_or_admin_opt(
+      &mut context.pool(),
+      local_user_view.as_ref(),
+      Some(community_id),
+    )
+    .await
+    .is_ok();
+
+    let post_view = PostView::read(
+      &mut context.pool(),
+      post_id,
+      person_id,
+      Some(is_mod_or_admin),
+    )
+    .await
+    .with_lemmy_type(LemmyErrorType::CouldntFindPost)?;
+
+    // Mark the post as read
+    let post_id = post_view.post.id;
+    if let Some(person_id) = person_id {
+      mark_post_as_read(person_id, post_id, &mut context.pool()).await?;
+    }
+
+    // Necessary for the sidebar subscribed
+    let community_view = CommunityView::read(
+      &mut context.pool(),
+      community_id,
+      person_id,
+      Some(is_mod_or_admin),
+    )
+    .await
+    .with_lemmy_type(LemmyErrorType::CouldntFindCommunity)?;
+
+    // Insert into PersonPostAggregates
+    // to update the read_comments count
+    if let Some(person_id) = person_id {
+      let read_comments = post_view.counts.comments;
+      let person_post_agg_form = PersonPostAggregatesForm {
+        person_id,
+        post_id,
+        read_comments,
+        ..PersonPostAggregatesForm::default()
+      };
+      PersonPostAggregates::upsert(&mut context.pool(), &person_post_agg_form)
+        .await
+        .with_lemmy_type(LemmyErrorType::CouldntFindPost)?;
+    }
+
+    let moderators =
+      CommunityModeratorView::for_community(&mut context.pool(), community_id).await?;
+
+    // Fetch the cross_posts
+    let cross_posts = if let Some(url) = &post_view.post.url {
+      let mut x_posts = PostQuery::builder()
+        .pool(&mut context.pool())
+        .url_search(Some(url.inner().as_str().into()))
+        .build()
         .list()
-    })
-    .await??;
-
-    let community_id = post_view.community.id;
-    let moderators = blocking(context.pool(), move |conn| {
-      CommunityModeratorView::for_community(conn, community_id)
-    })
-    .await??;
+        .await?;
 
-    // Necessary for the sidebar
-    let community_view = blocking(context.pool(), move |conn| {
-      CommunityView::read(conn, community_id, person_id)
-    })
-    .await?
-    .map_err(|_| ApiError::err("couldnt_find_community"))?;
-
-    let online = context
-      .chat_server()
-      .send(GetPostUsersOnline { post_id: data.id })
-      .await
-      .unwrap_or(1);
+      // Don't return this post as one of the cross_posts
+      x_posts.retain(|x| x.post.id != post_id);
+      x_posts
+    } else {
+      Vec::new()
+    };
 
     // Return the jwt
     Ok(GetPostResponse {
       post_view,
       community_view,
-      comments,
       moderators,
-      online,
+      cross_posts,
     })
   }
 }
-
-#[async_trait::async_trait(?Send)]
-impl PerformCrud for GetPosts {
-  type Response = GetPostsResponse;
-
-  async fn perform(
-    &self,
-    context: &Data<LemmyContext>,
-    _websocket_id: Option<ConnectionId>,
-  ) -> Result<GetPostsResponse, LemmyError> {
-    let data: &GetPosts = &self;
-    let local_user_view = get_local_user_view_from_jwt_opt(&data.auth, context.pool()).await?;
-
-    let person_id = local_user_view.to_owned().map(|l| l.person.id);
-
-    let show_nsfw = match &local_user_view {
-      Some(uv) => uv.local_user.show_nsfw,
-      None => false,
-    };
-
-    let type_ = ListingType::from_str(&data.type_)?;
-    let sort = SortType::from_str(&data.sort)?;
-
-    let page = data.page;
-    let limit = data.limit;
-    let community_id = data.community_id;
-    let community_name = data.community_name.to_owned();
-    let saved_only = data.saved_only;
-
-    let posts = blocking(context.pool(), move |conn| {
-      PostQueryBuilder::create(conn)
-        .listing_type(&type_)
-        .sort(&sort)
-        .show_nsfw(show_nsfw)
-        .community_id(community_id)
-        .community_name(community_name)
-        .saved_only(saved_only)
-        .my_person_id(person_id)
-        .page(page)
-        .limit(limit)
-        .list()
-    })
-    .await?
-    .map_err(|_| ApiError::err("couldnt_get_posts"))?;
-
-    Ok(GetPostsResponse { posts })
-  }
-}