]> Untitled Git - lemmy.git/blobdiff - crates/db_views/src/comment_view.rs
First pass at adding comment trees. (#2362)
[lemmy.git] / crates / db_views / src / comment_view.rs
index a262b7c1fc44deca941939860586b3d9f65caad2..f3d5c798ae7496feb4ae82d1e45dfd5c3c6cbc02 100644 (file)
-use diesel::{result::Error, *};
-use lemmy_db_queries::{
-  aggregates::comment_aggregates::CommentAggregates,
-  functions::hot_rank,
-  fuzzy_search,
-  limit_and_offset,
-  ListingType,
-  MaybeOptional,
-  SortType,
-  ToSafe,
-  ViewToVec,
-};
+use crate::structs::CommentView;
+use diesel::{dsl::*, result::Error, *};
+use diesel_ltree::{nlevel, subpath, Ltree, LtreeExtensions};
 use lemmy_db_schema::{
+  aggregates::structs::CommentAggregates,
+  newtypes::{CommentId, CommunityId, DbUrl, PersonId, PostId},
   schema::{
     comment,
     comment_aggregates,
-    comment_alias_1,
     comment_like,
     comment_saved,
     community,
+    community_block,
     community_follower,
-    community_user_ban,
+    community_person_ban,
+    person,
+    person_block,
     post,
-    user_,
-    user_alias_1,
   },
   source::{
-    comment::{Comment, CommentAlias1, CommentSaved},
-    community::{Community, CommunityFollower, CommunitySafe, CommunityUserBan},
+    comment::{Comment, CommentSaved},
+    community::{Community, CommunityFollower, CommunityPersonBan, CommunitySafe},
+    person::{Person, PersonSafe},
+    person_block::PersonBlock,
     post::Post,
-    user::{UserAlias1, UserSafe, UserSafeAlias1, User_},
   },
+  traits::{MaybeOptional, ToSafe, ViewToVec},
+  utils::{functions::hot_rank, fuzzy_search, limit_and_offset_unlimited},
+  CommentSortType,
+  ListingType,
 };
-use serde::Serialize;
-
-#[derive(Debug, PartialEq, Serialize, Clone)]
-pub struct CommentView {
-  pub comment: Comment,
-  pub creator: UserSafe,
-  pub recipient: Option<UserSafeAlias1>, // Left joins to comment and user
-  pub post: Post,
-  pub community: CommunitySafe,
-  pub counts: CommentAggregates,
-  pub creator_banned_from_community: bool, // Left Join to CommunityUserBan
-  pub subscribed: bool,                    // Left join to CommunityFollower
-  pub saved: bool,                         // Left join to CommentSaved
-  pub my_vote: Option<i16>,                // Left join to CommentLike
-}
 
 type CommentViewTuple = (
   Comment,
-  UserSafe,
-  Option<CommentAlias1>,
-  Option<UserSafeAlias1>,
+  PersonSafe,
   Post,
   CommunitySafe,
   CommentAggregates,
-  Option<CommunityUserBan>,
+  Option<CommunityPersonBan>,
   Option<CommunityFollower>,
   Option<CommentSaved>,
+  Option<PersonBlock>,
   Option<i16>,
 );
 
 impl CommentView {
   pub fn read(
     conn: &PgConnection,
-    comment_id: i32,
-    my_user_id: Option<i32>,
+    comment_id: CommentId,
+    my_person_id: Option<PersonId>,
   ) -> Result<Self, Error> {
     // The left join below will return None in this case
-    let user_id_join = my_user_id.unwrap_or(-1);
+    let person_id_join = my_person_id.unwrap_or(PersonId(-1));
 
     let (
       comment,
       creator,
-      _parent_comment,
-      recipient,
       post,
       community,
       counts,
       creator_banned_from_community,
-      subscribed,
+      follower,
       saved,
+      creator_blocked,
       comment_like,
     ) = comment::table
       .find(comment_id)
-      .inner_join(user_::table)
-      // recipient here
-      .left_join(comment_alias_1::table.on(comment_alias_1::id.nullable().eq(comment::parent_id)))
-      .left_join(user_alias_1::table.on(user_alias_1::id.eq(comment_alias_1::creator_id)))
+      .inner_join(person::table)
       .inner_join(post::table)
       .inner_join(community::table.on(post::community_id.eq(community::id)))
       .inner_join(comment_aggregates::table)
       .left_join(
-        community_user_ban::table.on(
+        community_person_ban::table.on(
           community::id
-            .eq(community_user_ban::community_id)
-            .and(community_user_ban::user_id.eq(comment::creator_id)),
+            .eq(community_person_ban::community_id)
+            .and(community_person_ban::person_id.eq(comment::creator_id))
+            .and(
+              community_person_ban::expires
+                .is_null()
+                .or(community_person_ban::expires.gt(now)),
+            ),
         ),
       )
       .left_join(
         community_follower::table.on(
           post::community_id
             .eq(community_follower::community_id)
-            .and(community_follower::user_id.eq(user_id_join)),
+            .and(community_follower::person_id.eq(person_id_join)),
         ),
       )
       .left_join(
         comment_saved::table.on(
           comment::id
             .eq(comment_saved::comment_id)
-            .and(comment_saved::user_id.eq(user_id_join)),
+            .and(comment_saved::person_id.eq(person_id_join)),
+        ),
+      )
+      .left_join(
+        person_block::table.on(
+          comment::creator_id
+            .eq(person_block::target_id)
+            .and(person_block::person_id.eq(person_id_join)),
         ),
       )
       .left_join(
         comment_like::table.on(
           comment::id
             .eq(comment_like::comment_id)
-            .and(comment_like::user_id.eq(user_id_join)),
+            .and(comment_like::person_id.eq(person_id_join)),
         ),
       )
       .select((
         comment::all_columns,
-        User_::safe_columns_tuple(),
-        comment_alias_1::all_columns.nullable(),
-        UserAlias1::safe_columns_tuple().nullable(),
+        Person::safe_columns_tuple(),
         post::all_columns,
         Community::safe_columns_tuple(),
         comment_aggregates::all_columns,
-        community_user_ban::all_columns.nullable(),
+        community_person_ban::all_columns.nullable(),
         community_follower::all_columns.nullable(),
         comment_saved::all_columns.nullable(),
+        person_block::all_columns.nullable(),
         comment_like::score.nullable(),
       ))
       .first::<CommentViewTuple>(conn)?;
 
-    // If a user is given, then my_vote, if None, should be 0, not null
-    // Necessary to differentiate between other user's votes
-    let my_vote = if my_user_id.is_some() && comment_like.is_none() {
+    // If a person is given, then my_vote, if None, should be 0, not null
+    // Necessary to differentiate between other person's votes
+    let my_vote = if my_person_id.is_some() && comment_like.is_none() {
       Some(0)
     } else {
       comment_like
@@ -144,102 +133,90 @@ impl CommentView {
 
     Ok(CommentView {
       comment,
-      recipient,
       post,
       creator,
       community,
       counts,
       creator_banned_from_community: creator_banned_from_community.is_some(),
-      subscribed: subscribed.is_some(),
+      subscribed: CommunityFollower::to_subscribed_type(&follower),
       saved: saved.is_some(),
+      creator_blocked: creator_blocked.is_some(),
       my_vote,
     })
   }
-
-  /// Gets the recipient user id.
-  /// If there is no parent comment, its the post creator
-  pub fn get_recipient_id(&self) -> i32 {
-    match &self.recipient {
-      Some(parent_commenter) => parent_commenter.id,
-      None => self.post.creator_id,
-    }
-  }
 }
 
 pub struct CommentQueryBuilder<'a> {
   conn: &'a PgConnection,
-  listing_type: ListingType,
-  sort: &'a SortType,
-  community_id: Option<i32>,
-  community_name: Option<String>,
-  post_id: Option<i32>,
-  creator_id: Option<i32>,
-  recipient_id: Option<i32>,
-  my_user_id: Option<i32>,
+  listing_type: Option<ListingType>,
+  sort: Option<CommentSortType>,
+  community_id: Option<CommunityId>,
+  community_actor_id: Option<DbUrl>,
+  post_id: Option<PostId>,
+  parent_path: Option<Ltree>,
+  creator_id: Option<PersonId>,
+  my_person_id: Option<PersonId>,
   search_term: Option<String>,
-  saved_only: bool,
-  unread_only: bool,
+  saved_only: Option<bool>,
+  show_bot_accounts: Option<bool>,
   page: Option<i64>,
   limit: Option<i64>,
+  max_depth: Option<i32>,
 }
 
 impl<'a> CommentQueryBuilder<'a> {
   pub fn create(conn: &'a PgConnection) -> Self {
     CommentQueryBuilder {
       conn,
-      listing_type: ListingType::All,
-      sort: &SortType::New,
+      listing_type: Some(ListingType::All),
+      sort: None,
       community_id: None,
-      community_name: None,
+      community_actor_id: None,
       post_id: None,
+      parent_path: None,
       creator_id: None,
-      recipient_id: None,
-      my_user_id: None,
+      my_person_id: None,
       search_term: None,
-      saved_only: false,
-      unread_only: false,
+      saved_only: None,
+      show_bot_accounts: None,
       page: None,
       limit: None,
+      max_depth: None,
     }
   }
 
-  pub fn listing_type(mut self, listing_type: ListingType) -> Self {
-    self.listing_type = listing_type;
+  pub fn listing_type<T: MaybeOptional<ListingType>>(mut self, listing_type: T) -> Self {
+    self.listing_type = listing_type.get_optional();
     self
   }
 
-  pub fn sort(mut self, sort: &'a SortType) -> Self {
-    self.sort = sort;
+  pub fn sort<T: MaybeOptional<CommentSortType>>(mut self, sort: T) -> Self {
+    self.sort = sort.get_optional();
     self
   }
 
-  pub fn post_id<T: MaybeOptional<i32>>(mut self, post_id: T) -> Self {
+  pub fn post_id<T: MaybeOptional<PostId>>(mut self, post_id: T) -> Self {
     self.post_id = post_id.get_optional();
     self
   }
 
-  pub fn creator_id<T: MaybeOptional<i32>>(mut self, creator_id: T) -> Self {
+  pub fn creator_id<T: MaybeOptional<PersonId>>(mut self, creator_id: T) -> Self {
     self.creator_id = creator_id.get_optional();
     self
   }
 
-  pub fn recipient_id<T: MaybeOptional<i32>>(mut self, recipient_id: T) -> Self {
-    self.recipient_id = recipient_id.get_optional();
-    self
-  }
-
-  pub fn community_id<T: MaybeOptional<i32>>(mut self, community_id: T) -> Self {
+  pub fn community_id<T: MaybeOptional<CommunityId>>(mut self, community_id: T) -> Self {
     self.community_id = community_id.get_optional();
     self
   }
 
-  pub fn my_user_id<T: MaybeOptional<i32>>(mut self, my_user_id: T) -> Self {
-    self.my_user_id = my_user_id.get_optional();
+  pub fn my_person_id<T: MaybeOptional<PersonId>>(mut self, my_person_id: T) -> Self {
+    self.my_person_id = my_person_id.get_optional();
     self
   }
 
-  pub fn community_name<T: MaybeOptional<String>>(mut self, community_name: T) -> Self {
-    self.community_name = community_name.get_optional();
+  pub fn community_actor_id<T: MaybeOptional<DbUrl>>(mut self, community_actor_id: T) -> Self {
+    self.community_actor_id = community_actor_id.get_optional();
     self
   }
 
@@ -248,13 +225,18 @@ impl<'a> CommentQueryBuilder<'a> {
     self
   }
 
-  pub fn saved_only(mut self, saved_only: bool) -> Self {
-    self.saved_only = saved_only;
+  pub fn saved_only<T: MaybeOptional<bool>>(mut self, saved_only: T) -> Self {
+    self.saved_only = saved_only.get_optional();
+    self
+  }
+
+  pub fn show_bot_accounts<T: MaybeOptional<bool>>(mut self, show_bot_accounts: T) -> Self {
+    self.show_bot_accounts = show_bot_accounts.get_optional();
     self
   }
 
-  pub fn unread_only(mut self, unread_only: bool) -> Self {
-    self.unread_only = unread_only;
+  pub fn parent_path<T: MaybeOptional<Ltree>>(mut self, parent_path: T) -> Self {
+    self.parent_path = parent_path.get_optional();
     self
   }
 
@@ -268,135 +250,178 @@ impl<'a> CommentQueryBuilder<'a> {
     self
   }
 
+  pub fn max_depth<T: MaybeOptional<i32>>(mut self, max_depth: T) -> Self {
+    self.max_depth = max_depth.get_optional();
+    self
+  }
+
   pub fn list(self) -> Result<Vec<CommentView>, Error> {
     use diesel::dsl::*;
 
     // The left join below will return None in this case
-    let user_id_join = self.my_user_id.unwrap_or(-1);
+    let person_id_join = self.my_person_id.unwrap_or(PersonId(-1));
 
     let mut query = comment::table
-      .inner_join(user_::table)
-      // recipient here
-      .left_join(comment_alias_1::table.on(comment_alias_1::id.nullable().eq(comment::parent_id)))
-      .left_join(user_alias_1::table.on(user_alias_1::id.eq(comment_alias_1::creator_id)))
+      .inner_join(person::table)
       .inner_join(post::table)
       .inner_join(community::table.on(post::community_id.eq(community::id)))
       .inner_join(comment_aggregates::table)
       .left_join(
-        community_user_ban::table.on(
+        community_person_ban::table.on(
           community::id
-            .eq(community_user_ban::community_id)
-            .and(community_user_ban::user_id.eq(comment::creator_id)),
+            .eq(community_person_ban::community_id)
+            .and(community_person_ban::person_id.eq(comment::creator_id))
+            .and(
+              community_person_ban::expires
+                .is_null()
+                .or(community_person_ban::expires.gt(now)),
+            ),
         ),
       )
       .left_join(
         community_follower::table.on(
           post::community_id
             .eq(community_follower::community_id)
-            .and(community_follower::user_id.eq(user_id_join)),
+            .and(community_follower::person_id.eq(person_id_join)),
         ),
       )
       .left_join(
         comment_saved::table.on(
           comment::id
             .eq(comment_saved::comment_id)
-            .and(comment_saved::user_id.eq(user_id_join)),
+            .and(comment_saved::person_id.eq(person_id_join)),
+        ),
+      )
+      .left_join(
+        person_block::table.on(
+          comment::creator_id
+            .eq(person_block::target_id)
+            .and(person_block::person_id.eq(person_id_join)),
+        ),
+      )
+      .left_join(
+        community_block::table.on(
+          community::id
+            .eq(community_block::community_id)
+            .and(community_block::person_id.eq(person_id_join)),
         ),
       )
       .left_join(
         comment_like::table.on(
           comment::id
             .eq(comment_like::comment_id)
-            .and(comment_like::user_id.eq(user_id_join)),
+            .and(comment_like::person_id.eq(person_id_join)),
         ),
       )
       .select((
         comment::all_columns,
-        User_::safe_columns_tuple(),
-        comment_alias_1::all_columns.nullable(),
-        UserAlias1::safe_columns_tuple().nullable(),
+        Person::safe_columns_tuple(),
         post::all_columns,
         Community::safe_columns_tuple(),
         comment_aggregates::all_columns,
-        community_user_ban::all_columns.nullable(),
+        community_person_ban::all_columns.nullable(),
         community_follower::all_columns.nullable(),
         comment_saved::all_columns.nullable(),
+        person_block::all_columns.nullable(),
         comment_like::score.nullable(),
       ))
       .into_boxed();
 
-    // The replies
-    if let Some(recipient_id) = self.recipient_id {
-      query = query
-        // TODO needs lots of testing
-        .filter(user_alias_1::id.eq(recipient_id)) // Gets the comment replies
-        .or_filter(
-          comment::parent_id
-            .is_null()
-            .and(post::creator_id.eq(recipient_id)),
-        ) // Gets the top level replies
-        .filter(comment::deleted.eq(false))
-        .filter(comment::removed.eq(false));
-    }
-
-    if self.unread_only {
-      query = query.filter(comment::read.eq(false));
-    }
-
     if let Some(creator_id) = self.creator_id {
       query = query.filter(comment::creator_id.eq(creator_id));
     };
 
-    if let Some(community_id) = self.community_id {
-      query = query.filter(post::community_id.eq(community_id));
-    }
-
-    if let Some(community_name) = self.community_name {
-      query = query
-        .filter(community::name.eq(community_name))
-        .filter(comment::local.eq(true));
-    }
-
     if let Some(post_id) = self.post_id {
       query = query.filter(comment::post_id.eq(post_id));
     };
 
+    if let Some(parent_path) = self.parent_path.as_ref() {
+      query = query.filter(comment::path.contained_by(parent_path));
+    };
+
     if let Some(search_term) = self.search_term {
       query = query.filter(comment::content.ilike(fuzzy_search(&search_term)));
     };
 
-    query = match self.listing_type {
-      // ListingType::Subscribed => query.filter(community_follower::subscribed.eq(true)),
-      ListingType::Subscribed => query.filter(community_follower::user_id.is_not_null()), // TODO could be this: and(community_follower::user_id.eq(user_id_join)),
-      ListingType::Local => query.filter(community::local.eq(true)),
-      _ => query,
+    if let Some(listing_type) = self.listing_type {
+      match listing_type {
+        ListingType::Subscribed => {
+          query = query.filter(community_follower::person_id.is_not_null())
+        } // TODO could be this: and(community_follower::person_id.eq(person_id_join)),
+        ListingType::Local => {
+          query = query.filter(community::local.eq(true)).filter(
+            community::hidden
+              .eq(false)
+              .or(community_follower::person_id.eq(person_id_join)),
+          )
+        }
+        ListingType::All => {
+          query = query.filter(
+            community::hidden
+              .eq(false)
+              .or(community_follower::person_id.eq(person_id_join)),
+          )
+        }
+      }
     };
 
-    if self.saved_only {
+    if let Some(community_id) = self.community_id {
+      query = query.filter(post::community_id.eq(community_id));
+    }
+
+    if let Some(community_actor_id) = self.community_actor_id {
+      query = query.filter(community::actor_id.eq(community_actor_id))
+    }
+
+    if self.saved_only.unwrap_or(false) {
       query = query.filter(comment_saved::id.is_not_null());
     }
 
-    query = match self.sort {
-      SortType::Hot | SortType::Active => query
-        .order_by(hot_rank(comment_aggregates::score, comment_aggregates::published).desc())
-        .then_order_by(comment_aggregates::published.desc()),
-      SortType::New | SortType::MostComments => query.order_by(comment::published.desc()),
-      SortType::TopAll => query.order_by(comment_aggregates::score.desc()),
-      SortType::TopYear => query
-        .filter(comment::published.gt(now - 1.years()))
-        .order_by(comment_aggregates::score.desc()),
-      SortType::TopMonth => query
-        .filter(comment::published.gt(now - 1.months()))
-        .order_by(comment_aggregates::score.desc()),
-      SortType::TopWeek => query
-        .filter(comment::published.gt(now - 1.weeks()))
-        .order_by(comment_aggregates::score.desc()),
-      SortType::TopDay => query
-        .filter(comment::published.gt(now - 1.days()))
-        .order_by(comment_aggregates::score.desc()),
+    if !self.show_bot_accounts.unwrap_or(true) {
+      query = query.filter(person::bot_account.eq(false));
     };
 
-    let (limit, offset) = limit_and_offset(self.page, self.limit);
+    // Don't show blocked communities or persons
+    if self.my_person_id.is_some() {
+      query = query.filter(community_block::person_id.is_null());
+      query = query.filter(person_block::person_id.is_null());
+    }
+
+    // A Max depth given means its a tree fetch
+    let (limit, offset) = if let Some(max_depth) = self.max_depth {
+      let depth_limit = if let Some(parent_path) = self.parent_path.as_ref() {
+        parent_path.0.split('.').count() as i32 + max_depth
+        // Add one because of root "0"
+      } else {
+        max_depth + 1
+      };
+
+      query = query.filter(nlevel(comment::path).le(depth_limit));
+
+      // Always order by the parent path first
+      query = query.order_by(subpath(comment::path, 0, -1));
+
+      // TODO limit question. Limiting does not work for comment threads ATM, only max_depth
+      // For now, don't do any limiting for tree fetches
+      // https://stackoverflow.com/questions/72983614/postgres-ltree-how-to-limit-the-max-number-of-children-at-any-given-level
+
+      // Don't use the regular error-checking one, many more comments must ofter be fetched.
+      // This does not work for comment trees, and the limit should be manually set to a high number
+      //
+      // If a max depth is given, then you know its a tree fetch, and limits should be ignored
+      (i64::MAX, 0)
+    } else {
+      limit_and_offset_unlimited(self.page, self.limit)
+    };
+
+    query = match self.sort.unwrap_or(CommentSortType::Hot) {
+      CommentSortType::Hot => query
+        .then_order_by(hot_rank(comment_aggregates::score, comment_aggregates::published).desc())
+        .then_order_by(comment_aggregates::published.desc()),
+      CommentSortType::New => query.then_order_by(comment::published.desc()),
+      CommentSortType::Old => query.then_order_by(comment::published.asc()),
+      CommentSortType::Top => query.order_by(comment_aggregates::score.desc()),
+    };
 
     // Note: deleted and removed comments are done on the front side
     let res = query
@@ -416,14 +441,14 @@ impl ViewToVec for CommentView {
       .map(|a| Self {
         comment: a.0.to_owned(),
         creator: a.1.to_owned(),
-        recipient: a.3.to_owned(),
-        post: a.4.to_owned(),
-        community: a.5.to_owned(),
-        counts: a.6.to_owned(),
-        creator_banned_from_community: a.7.is_some(),
-        subscribed: a.8.is_some(),
-        saved: a.9.is_some(),
-        my_vote: a.10,
+        post: a.2.to_owned(),
+        community: a.3.to_owned(),
+        counts: a.4.to_owned(),
+        creator_banned_from_community: a.5.is_some(),
+        subscribed: CommunityFollower::to_subscribed_type(&a.6),
+        saved: a.7.is_some(),
+        creator_blocked: a.8.is_some(),
+        my_vote: a.9,
       })
       .collect::<Vec<Self>>()
   }
@@ -432,168 +457,192 @@ impl ViewToVec for CommentView {
 #[cfg(test)]
 mod tests {
   use crate::comment_view::*;
-  use lemmy_db_queries::{
-    aggregates::comment_aggregates::CommentAggregates,
-    establish_unpooled_connection,
-    Crud,
-    Likeable,
-    ListingType,
-    SortType,
+  use lemmy_db_schema::{
+    aggregates::structs::CommentAggregates,
+    source::{comment::*, community::*, person::*, person_block::PersonBlockForm, post::*},
+    traits::{Blockable, Crud, Likeable},
+    utils::establish_unpooled_connection,
+    SubscribedType,
   };
-  use lemmy_db_schema::source::{comment::*, community::*, post::*, user::*};
+  use serial_test::serial;
 
   #[test]
+  #[serial]
   fn test_crud() {
     let conn = establish_unpooled_connection();
 
-    let new_user = UserForm {
+    let new_person = PersonForm {
       name: "timmy".into(),
-      preferred_username: None,
-      password_encrypted: "nope".into(),
-      email: None,
-      matrix_user_id: None,
-      avatar: None,
-      banner: None,
-      admin: false,
-      banned: Some(false),
-      published: None,
-      updated: None,
-      show_nsfw: false,
-      theme: "browser".into(),
-      default_sort_type: SortType::Hot as i16,
-      default_listing_type: ListingType::Subscribed as i16,
-      lang: "browser".into(),
-      show_avatars: true,
-      send_notifications_to_email: false,
-      actor_id: None,
-      bio: None,
-      local: true,
-      private_key: None,
-      public_key: None,
-      last_refreshed_at: None,
-      inbox_url: None,
-      shared_inbox_url: None,
+      public_key: Some("pubkey".to_string()),
+      ..PersonForm::default()
     };
 
-    let inserted_user = User_::create(&conn, &new_user).unwrap();
+    let inserted_person = Person::create(&conn, &new_person).unwrap();
+
+    let new_person_2 = PersonForm {
+      name: "sara".into(),
+      public_key: Some("pubkey".to_string()),
+      ..PersonForm::default()
+    };
+
+    let inserted_person_2 = Person::create(&conn, &new_person_2).unwrap();
 
     let new_community = CommunityForm {
       name: "test community 5".to_string(),
       title: "nada".to_owned(),
-      description: None,
-      category_id: 1,
-      creator_id: inserted_user.id,
-      removed: None,
-      deleted: None,
-      updated: None,
-      nsfw: false,
-      actor_id: None,
-      local: true,
-      private_key: None,
-      public_key: None,
-      last_refreshed_at: None,
-      published: None,
-      icon: None,
-      banner: None,
-      followers_url: None,
-      inbox_url: None,
-      shared_inbox_url: None,
+      public_key: Some("pubkey".to_string()),
+      ..CommunityForm::default()
     };
 
     let inserted_community = Community::create(&conn, &new_community).unwrap();
 
     let new_post = PostForm {
       name: "A test post 2".into(),
-      creator_id: inserted_user.id,
-      url: None,
-      body: None,
+      creator_id: inserted_person.id,
       community_id: inserted_community.id,
-      removed: None,
-      deleted: None,
-      locked: None,
-      stickied: None,
-      updated: None,
-      nsfw: false,
-      embed_title: None,
-      embed_description: None,
-      embed_html: None,
-      thumbnail_url: None,
-      ap_id: None,
-      local: true,
-      published: None,
+      ..PostForm::default()
     };
 
     let inserted_post = Post::create(&conn, &new_post).unwrap();
 
-    let comment_form = CommentForm {
-      content: "A test comment 32".into(),
-      creator_id: inserted_user.id,
+    // Create a comment tree with this hierarchy
+    //       0
+    //     \     \
+    //    1      2
+    //    \
+    //  3  4
+    //     \
+    //     5
+    let comment_form_0 = CommentForm {
+      content: "Comment 0".into(),
+      creator_id: inserted_person.id,
+      post_id: inserted_post.id,
+      ..CommentForm::default()
+    };
+
+    let inserted_comment_0 = Comment::create(&conn, &comment_form_0, None).unwrap();
+
+    let comment_form_1 = CommentForm {
+      content: "Comment 1, A test blocked comment".into(),
+      creator_id: inserted_person_2.id,
       post_id: inserted_post.id,
-      parent_id: None,
-      removed: None,
-      deleted: None,
-      read: None,
-      published: None,
-      updated: None,
-      ap_id: None,
-      local: true,
+      ..CommentForm::default()
     };
 
-    let inserted_comment = Comment::create(&conn, &comment_form).unwrap();
+    let inserted_comment_1 =
+      Comment::create(&conn, &comment_form_1, Some(&inserted_comment_0.path)).unwrap();
+
+    let comment_form_2 = CommentForm {
+      content: "Comment 2".into(),
+      creator_id: inserted_person.id,
+      post_id: inserted_post.id,
+      ..CommentForm::default()
+    };
+
+    let inserted_comment_2 =
+      Comment::create(&conn, &comment_form_2, Some(&inserted_comment_0.path)).unwrap();
+
+    let comment_form_3 = CommentForm {
+      content: "Comment 3".into(),
+      creator_id: inserted_person.id,
+      post_id: inserted_post.id,
+      ..CommentForm::default()
+    };
+
+    let _inserted_comment_3 =
+      Comment::create(&conn, &comment_form_3, Some(&inserted_comment_1.path)).unwrap();
+
+    let comment_form_4 = CommentForm {
+      content: "Comment 4".into(),
+      creator_id: inserted_person.id,
+      post_id: inserted_post.id,
+      ..CommentForm::default()
+    };
+
+    let inserted_comment_4 =
+      Comment::create(&conn, &comment_form_4, Some(&inserted_comment_1.path)).unwrap();
+
+    let comment_form_5 = CommentForm {
+      content: "Comment 5".into(),
+      creator_id: inserted_person.id,
+      post_id: inserted_post.id,
+      ..CommentForm::default()
+    };
+
+    let _inserted_comment_5 =
+      Comment::create(&conn, &comment_form_5, Some(&inserted_comment_4.path)).unwrap();
+
+    let timmy_blocks_sara_form = PersonBlockForm {
+      person_id: inserted_person.id,
+      target_id: inserted_person_2.id,
+    };
+
+    let inserted_block = PersonBlock::block(&conn, &timmy_blocks_sara_form).unwrap();
+
+    let expected_block = PersonBlock {
+      id: inserted_block.id,
+      person_id: inserted_person.id,
+      target_id: inserted_person_2.id,
+      published: inserted_block.published,
+    };
+
+    assert_eq!(expected_block, inserted_block);
 
     let comment_like_form = CommentLikeForm {
-      comment_id: inserted_comment.id,
+      comment_id: inserted_comment_0.id,
       post_id: inserted_post.id,
-      user_id: inserted_user.id,
+      person_id: inserted_person.id,
       score: 1,
     };
 
     let _inserted_comment_like = CommentLike::like(&conn, &comment_like_form).unwrap();
 
-    let agg = CommentAggregates::read(&conn, inserted_comment.id).unwrap();
+    let agg = CommentAggregates::read(&conn, inserted_comment_0.id).unwrap();
 
-    let expected_comment_view_no_user = CommentView {
+    let top_path = inserted_comment_0.to_owned().path;
+    let expected_comment_view_no_person = CommentView {
       creator_banned_from_community: false,
       my_vote: None,
-      subscribed: false,
+      subscribed: SubscribedType::NotSubscribed,
       saved: false,
+      creator_blocked: false,
       comment: Comment {
-        id: inserted_comment.id,
-        content: "A test comment 32".into(),
-        creator_id: inserted_user.id,
+        id: inserted_comment_0.id,
+        content: "Comment 0".into(),
+        creator_id: inserted_person.id,
         post_id: inserted_post.id,
-        parent_id: None,
         removed: false,
         deleted: false,
-        read: false,
-        published: inserted_comment.published,
-        ap_id: inserted_comment.ap_id,
+        published: inserted_comment_0.published,
+        ap_id: inserted_comment_0.ap_id,
         updated: None,
         local: true,
+        path: top_path,
       },
-      creator: UserSafe {
-        id: inserted_user.id,
+      creator: PersonSafe {
+        id: inserted_person.id,
         name: "timmy".into(),
-        preferred_username: None,
-        published: inserted_user.published,
+        display_name: None,
+        published: inserted_person.published,
         avatar: None,
-        actor_id: inserted_user.actor_id.to_owned(),
+        actor_id: inserted_person.actor_id.to_owned(),
         local: true,
         banned: false,
         deleted: false,
+        admin: false,
+        bot_account: false,
         bio: None,
         banner: None,
-        admin: false,
         updated: None,
-        matrix_user_id: None,
-        inbox_url: inserted_user.inbox_url.to_owned(),
+        inbox_url: inserted_person.inbox_url.to_owned(),
         shared_inbox_url: None,
+        matrix_user_id: None,
+        ban_expires: None,
       },
-      recipient: None,
       post: Post {
         id: inserted_post.id,
         name: inserted_post.name.to_owned(),
-        creator_id: inserted_user.id,
+        creator_id: inserted_person.id,
         url: None,
         body: None,
         published: inserted_post.published,
@@ -606,7 +655,7 @@ mod tests {
         nsfw: false,
         embed_title: None,
         embed_description: None,
-        embed_html: None,
+        embed_video_url: None,
         thumbnail_url: None,
         ap_id: inserted_post.ap_id.to_owned(),
         local: true,
@@ -622,47 +671,121 @@ mod tests {
         local: true,
         title: "nada".to_owned(),
         description: None,
-        creator_id: inserted_user.id,
-        category_id: 1,
         updated: None,
         banner: None,
+        hidden: false,
+        posting_restricted_to_mods: false,
         published: inserted_community.published,
       },
       counts: CommentAggregates {
         id: agg.id,
-        comment_id: inserted_comment.id,
+        comment_id: inserted_comment_0.id,
         score: 1,
         upvotes: 1,
         downvotes: 0,
         published: agg.published,
+        child_count: 5,
       },
     };
 
-    let mut expected_comment_view_with_user = expected_comment_view_no_user.to_owned();
-    expected_comment_view_with_user.my_vote = Some(1);
+    let mut expected_comment_view_with_person = expected_comment_view_no_person.to_owned();
+    expected_comment_view_with_person.my_vote = Some(1);
+
+    let read_comment_views_no_person = CommentQueryBuilder::create(&conn)
+      .post_id(inserted_post.id)
+      .list()
+      .unwrap();
+
+    assert_eq!(
+      expected_comment_view_no_person,
+      read_comment_views_no_person[0]
+    );
 
-    let read_comment_views_no_user = CommentQueryBuilder::create(&conn)
+    let read_comment_views_with_person = CommentQueryBuilder::create(&conn)
       .post_id(inserted_post.id)
+      .my_person_id(inserted_person.id)
       .list()
       .unwrap();
 
-    let read_comment_views_with_user = CommentQueryBuilder::create(&conn)
+    assert_eq!(
+      expected_comment_view_with_person,
+      read_comment_views_with_person[0]
+    );
+
+    // Make sure its 1, not showing the blocked comment
+    assert_eq!(5, read_comment_views_with_person.len());
+
+    let read_comment_from_blocked_person =
+      CommentView::read(&conn, inserted_comment_1.id, Some(inserted_person.id)).unwrap();
+
+    // Make sure block set the creator blocked
+    assert!(read_comment_from_blocked_person.creator_blocked);
+
+    let top_path = inserted_comment_0.path;
+    let read_comment_views_top_path = CommentQueryBuilder::create(&conn)
       .post_id(inserted_post.id)
-      .my_user_id(inserted_user.id)
+      .parent_path(top_path)
       .list()
       .unwrap();
 
-    let like_removed = CommentLike::remove(&conn, inserted_user.id, inserted_comment.id).unwrap();
-    let num_deleted = Comment::delete(&conn, inserted_comment.id).unwrap();
-    Post::delete(&conn, inserted_post.id).unwrap();
-    Community::delete(&conn, inserted_community.id).unwrap();
-    User_::delete(&conn, inserted_user.id).unwrap();
+    let child_path = inserted_comment_1.to_owned().path;
+    let read_comment_views_child_path = CommentQueryBuilder::create(&conn)
+      .post_id(inserted_post.id)
+      .parent_path(child_path)
+      .list()
+      .unwrap();
 
-    assert_eq!(expected_comment_view_no_user, read_comment_views_no_user[0]);
+    // Make sure the comment parent-limited fetch is correct
+    assert_eq!(6, read_comment_views_top_path.len());
+    assert_eq!(4, read_comment_views_child_path.len());
+
+    // Make sure it contains the parent, but not the comment from the other tree
+    let child_comments = read_comment_views_child_path
+      .into_iter()
+      .map(|c| c.comment)
+      .collect::<Vec<Comment>>();
+    assert!(child_comments.contains(&inserted_comment_1));
+    assert!(!child_comments.contains(&inserted_comment_2));
+
+    let read_comment_views_top_max_depth = CommentQueryBuilder::create(&conn)
+      .post_id(inserted_post.id)
+      .max_depth(1)
+      .list()
+      .unwrap();
+
+    // Make sure a depth limited one only has the top comment
     assert_eq!(
-      expected_comment_view_with_user,
-      read_comment_views_with_user[0]
+      expected_comment_view_no_person,
+      read_comment_views_top_max_depth[0]
     );
+    assert_eq!(1, read_comment_views_top_max_depth.len());
+
+    let child_path = inserted_comment_1.path;
+    let read_comment_views_parent_max_depth = CommentQueryBuilder::create(&conn)
+      .post_id(inserted_post.id)
+      .parent_path(child_path)
+      .max_depth(1)
+      .sort(CommentSortType::New)
+      .list()
+      .unwrap();
+
+    // Make sure a depth limited one, and given child comment 1, has 3
+    assert!(read_comment_views_parent_max_depth[2]
+      .comment
+      .content
+      .eq("Comment 3"));
+    assert_eq!(3, read_comment_views_parent_max_depth.len());
+
+    // Delete everything
+    let like_removed =
+      CommentLike::remove(&conn, inserted_person.id, inserted_comment_0.id).unwrap();
+    let num_deleted = Comment::delete(&conn, inserted_comment_0.id).unwrap();
+    Comment::delete(&conn, inserted_comment_1.id).unwrap();
+    Post::delete(&conn, inserted_post.id).unwrap();
+    Community::delete(&conn, inserted_community.id).unwrap();
+    Person::delete(&conn, inserted_person.id).unwrap();
+    Person::delete(&conn, inserted_person_2.id).unwrap();
+
     assert_eq!(1, num_deleted);
     assert_eq!(1, like_removed);
   }