From: Dessalines <dessalines@users.noreply.github.com>
Date: Mon, 1 Feb 2021 16:53:44 +0000 (-0500)
Subject: Adding forum sort for post_aggregates. Fixes #1312 (#1400)
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Adding forum sort for post_aggregates. Fixes #1312 (#1400)

* Adding forum sort for post_aggregates. Fixes #1312

* Changing sort name from forum to MostComments.
---

diff --git a/crates/db_queries/src/lib.rs b/crates/db_queries/src/lib.rs
index b0a73b7b..ebe7394c 100644
--- a/crates/db_queries/src/lib.rs
+++ b/crates/db_queries/src/lib.rs
@@ -164,6 +164,7 @@ pub enum SortType {
   TopMonth,
   TopYear,
   TopAll,
+  MostComments,
 }
 
 #[derive(EnumString, ToString, Debug, Serialize, Deserialize, Clone)]
diff --git a/crates/db_views/src/comment_view.rs b/crates/db_views/src/comment_view.rs
index 111791d9..68eb0688 100644
--- a/crates/db_views/src/comment_view.rs
+++ b/crates/db_views/src/comment_view.rs
@@ -380,7 +380,7 @@ impl<'a> CommentQueryBuilder<'a> {
       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 => query.order_by(comment::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()))
diff --git a/crates/db_views/src/post_view.rs b/crates/db_views/src/post_view.rs
index 1d2526a0..d454fcbe 100644
--- a/crates/db_views/src/post_view.rs
+++ b/crates/db_views/src/post_view.rs
@@ -363,6 +363,7 @@ impl<'a> PostQueryBuilder<'a> {
         .then_order_by(hot_rank(post_aggregates::score, post_aggregates::published).desc())
         .then_order_by(post_aggregates::published.desc()),
       SortType::New => query.then_order_by(post_aggregates::published.desc()),
+      SortType::MostComments => query.then_order_by(post_aggregates::comments.desc()),
       SortType::TopAll => query.then_order_by(post_aggregates::score.desc()),
       SortType::TopYear => query
         .filter(post::published.gt(now - 1.years()))
diff --git a/crates/db_views_actor/src/user_mention_view.rs b/crates/db_views_actor/src/user_mention_view.rs
index 1e9e74ee..811af6e7 100644
--- a/crates/db_views_actor/src/user_mention_view.rs
+++ b/crates/db_views_actor/src/user_mention_view.rs
@@ -270,7 +270,7 @@ impl<'a> UserMentionQueryBuilder<'a> {
       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 => query.order_by(comment::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()))
diff --git a/crates/db_views_actor/src/user_view.rs b/crates/db_views_actor/src/user_view.rs
index acb8c4c8..2b85a63c 100644
--- a/crates/db_views_actor/src/user_view.rs
+++ b/crates/db_views_actor/src/user_view.rs
@@ -110,7 +110,7 @@ impl<'a> UserQueryBuilder<'a> {
       SortType::Active => query
         .order_by(user_aggregates::comment_score.desc())
         .then_order_by(user_::published.desc()),
-      SortType::New => query.order_by(user_::published.desc()),
+      SortType::New | SortType::MostComments => query.order_by(user_::published.desc()),
       SortType::TopAll => query.order_by(user_aggregates::comment_score.desc()),
       SortType::TopYear => query
         .filter(user_::published.gt(now - 1.years()))
diff --git a/migrations/2021-01-31-050334_add_forum_sort_index/down.sql b/migrations/2021-01-31-050334_add_forum_sort_index/down.sql
new file mode 100644
index 00000000..9de29698
--- /dev/null
+++ b/migrations/2021-01-31-050334_add_forum_sort_index/down.sql
@@ -0,0 +1 @@
+drop index idx_post_aggregates_comments;
diff --git a/migrations/2021-01-31-050334_add_forum_sort_index/up.sql b/migrations/2021-01-31-050334_add_forum_sort_index/up.sql
new file mode 100644
index 00000000..61087388
--- /dev/null
+++ b/migrations/2021-01-31-050334_add_forum_sort_index/up.sql
@@ -0,0 +1 @@
+create index idx_post_aggregates_comments on post_aggregates (comments desc);