From 75c3f7c8be6e0fe5f07046577f2956dd5aedca84 Mon Sep 17 00:00:00 2001
From: rimu <3310831+rimu@users.noreply.github.com>
Date: Sun, 14 Apr 2024 07:59:24 +1200
Subject: [PATCH] hot sort - more spicy pls (experiment)

---
 app/activitypub/util.py | 18 ++++++++++++++++--
 app/community/routes.py |  2 +-
 app/main/routes.py      |  2 +-
 app/post/routes.py      | 13 +++++++++++--
 app/topic/routes.py     |  2 +-
 5 files changed, 30 insertions(+), 7 deletions(-)

diff --git a/app/activitypub/util.py b/app/activitypub/util.py
index f6563c1e..fd86d652 100644
--- a/app/activitypub/util.py
+++ b/app/activitypub/util.py
@@ -1037,7 +1037,13 @@ def downvote_post(post, user):
     if not existing_vote:
         effect = -1.0
         post.down_votes += 1
-        post.score -= 1.0
+        # Make 'hot' sort more spicy by amplifying the effect of early downvotes
+        if post.up_votes + post.down_votes <= 30:
+            post.score -= 5.0
+        elif post.up_votes + post.down_votes <= 60:
+            post.score -= 2.0
+        else:
+            post.score -= 1.0
         vote = PostVote(user_id=user.id, post_id=post.id, author_id=post.author.id,
                         effect=effect)
         post.author.reputation += effect
@@ -1139,10 +1145,18 @@ def upvote_post(post, user):
     user.last_seen = utcnow()
     user.recalculate_attitude()
     effect = instance_weight(user.ap_domain)
+    # Make 'hot' sort more spicy by amplifying the effect of early upvotes
+    spicy_effect = effect
+    if post.up_votes + post.down_votes <= 10:
+        spicy_effect = effect * 10
+    elif post.up_votes + post.down_votes <= 30:
+        spicy_effect = effect * 5
+    elif post.up_votes + post.down_votes <= 60:
+        spicy_effect = effect * 2
     existing_vote = PostVote.query.filter_by(user_id=user.id, post_id=post.id).first()
     if not existing_vote:
         post.up_votes += 1
-        post.score += effect
+        post.score += spicy_effect
         vote = PostVote(user_id=user.id, post_id=post.id, author_id=post.author.id,
                         effect=effect)
         if post.community.low_quality and effect > 0:
diff --git a/app/community/routes.py b/app/community/routes.py
index 96b53bdb..03cbe021 100644
--- a/app/community/routes.py
+++ b/app/community/routes.py
@@ -184,7 +184,7 @@ def show_community(community: Community):
     if sort == '' or sort == 'hot':
         posts = posts.order_by(desc(Post.sticky)).order_by(desc(Post.ranking)).order_by(desc(Post.posted_at))
     elif sort == 'top':
-        posts = posts.filter(Post.posted_at > utcnow() - timedelta(days=7)).order_by(desc(Post.sticky)).order_by(desc(Post.score))
+        posts = posts.filter(Post.posted_at > utcnow() - timedelta(days=7)).order_by(desc(Post.sticky)).order_by(desc(Post.up_votes - Post.down_votes))
     elif sort == 'new':
         posts = posts.order_by(desc(Post.posted_at))
     elif sort == 'active':
diff --git a/app/main/routes.py b/app/main/routes.py
index 4af5798f..d90f55d3 100644
--- a/app/main/routes.py
+++ b/app/main/routes.py
@@ -114,7 +114,7 @@ def home_page(type, sort):
     if sort == 'hot':
         posts = posts.order_by(desc(Post.ranking)).order_by(desc(Post.posted_at))
     elif sort == 'top':
-        posts = posts.filter(Post.posted_at > utcnow() - timedelta(days=1)).order_by(desc(Post.score))
+        posts = posts.filter(Post.posted_at > utcnow() - timedelta(days=1)).order_by(desc(Post.up_votes - Post.down_votes))
     elif sort == 'new':
         posts = posts.order_by(desc(Post.posted_at))
     elif sort == 'active':
diff --git a/app/post/routes.py b/app/post/routes.py
index c3f72e3d..2f62b4d8 100644
--- a/app/post/routes.py
+++ b/app/post/routes.py
@@ -303,11 +303,20 @@ def post_vote(post_id: int, vote_direction):
         if vote_direction == 'upvote':
             effect = 1
             post.up_votes += 1
-            post.score += 1
+            # Make 'hot' sort more spicy by amplifying the effect of early upvotes
+            if post.up_votes + post.down_votes <= 10:
+                post.score += 5
+            elif post.up_votes + post.down_votes <= 100:
+                post.score += 2
+            else:
+                post.score += 1
         else:
             effect = -1
             post.down_votes += 1
-            post.score -= 1
+            if post.up_votes + post.down_votes <= 100:
+                post.score -= 2
+            else:
+                post.score -= 1
         vote = PostVote(user_id=current_user.id, post_id=post.id, author_id=post.author.id,
                              effect=effect)
         # upvotes do not increase reputation in low quality communities
diff --git a/app/topic/routes.py b/app/topic/routes.py
index a3a0a9dc..325342d4 100644
--- a/app/topic/routes.py
+++ b/app/topic/routes.py
@@ -77,7 +77,7 @@ def show_topic(topic_path):
         if sort == '' or sort == 'hot':
             posts = posts.order_by(desc(Post.ranking)).order_by(desc(Post.posted_at))
         elif sort == 'top':
-            posts = posts.filter(Post.posted_at > utcnow() - timedelta(days=7)).order_by(desc(Post.score))
+            posts = posts.filter(Post.posted_at > utcnow() - timedelta(days=7)).order_by(desc(Post.up_votes - Post.down_votes))
         elif sort == 'new':
             posts = posts.order_by(desc(Post.posted_at))
         elif sort == 'active':