Merge branch 'master' into federation

19 files changed, 1231 insertions, 88 deletions

diff --git a/server/config/defaults.hjson b/server/config/defaults.hjson
index 6f4daaae..7eda46ec 100644
--- a/server/config/defaults.hjson
+++ b/server/config/defaults.hjson
@@ -32,7 +32,7 @@
   # rate limits for various user actions, by user ip
   rate_limit: {
     # maximum number of messages created in interval
-    message: 30
+    message: 180
     # interval length for message limit
     message_per_second: 60
     # maximum number of posts created in interval
diff --git a/server/db-init.sh b/server/db-init.sh
new file mode 100755
index 00000000..c9150e9d
--- /dev/null
+++ b/server/db-init.sh
@@ -0,0 +1,43 @@
+#!/bin/bash
+
+username=lemmy
+dbname=lemmy
+port=5432
+
+password=""
+password_confirm=""
+password_valid=0
+
+while [ "$password_valid" == 0 ]
+do
+  read -p "Enter database password: " -s password
+  echo
+
+  read -p "Verify database password: " -s password_confirm
+  echo
+  echo
+
+  # Start the loop from the top if either check fails
+  if [ -z "$password" ]
+  then
+    echo "Error: Password cannot be empty." 1>&2
+    echo
+    continue
+  fi
+  if [ "$password" != "$password_confirm" ]
+  then
+    echo "Error: Passwords don't match." 1>&2
+    echo
+    continue
+  fi
+
+  # Set the password_valid variable to break out of the loop
+  password_valid=1
+done
+
+
+psql -c "CREATE USER $username WITH PASSWORD '$password' SUPERUSER;" -U postgres
+psql -c 'CREATE DATABASE $dbname WITH OWNER $username;' -U postgres
+export LEMMY_DATABASE_URL=postgres://$username:$password@localhost:$port/$dbname
+
+echo $LEMMY_DATABASE_URL
diff --git a/server/migrations/2020-02-06-165953_change_post_title_length/down.sql b/server/migrations/2020-02-06-165953_change_post_title_length/down.sql
new file mode 100644
index 00000000..2bc765f8
--- /dev/null
+++ b/server/migrations/2020-02-06-165953_change_post_title_length/down.sql
@@ -0,0 +1,132 @@
+-- Drop the dependent views
+drop view post_view;
+drop view post_mview;
+drop materialized view post_aggregates_mview;
+drop view post_aggregates_view;
+drop view mod_remove_post_view;
+drop view mod_sticky_post_view;
+drop view mod_lock_post_view;
+drop view mod_remove_comment_view;
+
+alter table post alter column name type varchar(100);
+
+-- regen post view
+create view post_aggregates_view as
+select        
+p.*,
+(select u.banned from user_ u where p.creator_id = u.id) as banned,
+(select cb.id::bool from community_user_ban cb where p.creator_id = cb.user_id and p.community_id = cb.community_id) as banned_from_community,
+(select name from user_ where p.creator_id = user_.id) as creator_name,
+(select avatar from user_ where p.creator_id = user_.id) as creator_avatar,
+(select name from community where p.community_id = community.id) as community_name,
+(select removed from community c where p.community_id = c.id) as community_removed,
+(select deleted from community c where p.community_id = c.id) as community_deleted,
+(select nsfw from community c where p.community_id = c.id) as community_nsfw,
+(select count(*) from comment where comment.post_id = p.id) as number_of_comments,
+coalesce(sum(pl.score), 0) as score,
+count (case when pl.score = 1 then 1 else null end) as upvotes,
+count (case when pl.score = -1 then 1 else null end) as downvotes,
+hot_rank(coalesce(sum(pl.score) , 0), p.published) as hot_rank
+from post p
+left join post_like pl on p.id = pl.post_id
+group by p.id;
+
+create materialized view post_aggregates_mview as select * from post_aggregates_view;
+
+create unique index idx_post_aggregates_mview_id on post_aggregates_mview (id);
+
+create view post_view as 
+with all_post as (
+  select
+  pa.*
+  from post_aggregates_view pa
+)
+select
+ap.*,
+u.id as user_id,
+coalesce(pl.score, 0) as my_vote,
+(select cf.id::bool from community_follower cf where u.id = cf.user_id and cf.community_id = ap.community_id) as subscribed,
+(select pr.id::bool from post_read pr where u.id = pr.user_id and pr.post_id = ap.id) as read,
+(select ps.id::bool from post_saved ps where u.id = ps.user_id and ps.post_id = ap.id) as saved
+from user_ u
+cross join all_post ap
+left join post_like pl on u.id = pl.user_id and ap.id = pl.post_id
+
+union all
+
+select 
+ap.*,
+null as user_id,
+null as my_vote,
+null as subscribed,
+null as read,
+null as saved
+from all_post ap
+;
+
+create view post_mview as 
+with all_post as (
+  select
+  pa.*
+  from post_aggregates_mview pa
+)
+select
+ap.*,
+u.id as user_id,
+coalesce(pl.score, 0) as my_vote,
+(select cf.id::bool from community_follower cf where u.id = cf.user_id and cf.community_id = ap.community_id) as subscribed,
+(select pr.id::bool from post_read pr where u.id = pr.user_id and pr.post_id = ap.id) as read,
+(select ps.id::bool from post_saved ps where u.id = ps.user_id and ps.post_id = ap.id) as saved
+from user_ u
+cross join all_post ap
+left join post_like pl on u.id = pl.user_id and ap.id = pl.post_id
+
+union all
+
+select 
+ap.*,
+null as user_id,
+null as my_vote,
+null as subscribed,
+null as read,
+null as saved
+from all_post ap
+;
+
+-- The mod views
+
+create view mod_remove_post_view as 
+select mrp.*,
+(select name from user_ u where mrp.mod_user_id = u.id) as mod_user_name,
+(select name from post p where mrp.post_id = p.id) as post_name,
+(select c.id from post p, community c where mrp.post_id = p.id and p.community_id = c.id) as community_id,
+(select c.name from post p, community c where mrp.post_id = p.id and p.community_id = c.id) as community_name
+from mod_remove_post mrp;
+
+create view mod_lock_post_view as 
+select mlp.*,
+(select name from user_ u where mlp.mod_user_id = u.id) as mod_user_name,
+(select name from post p where mlp.post_id = p.id) as post_name,
+(select c.id from post p, community c where mlp.post_id = p.id and p.community_id = c.id) as community_id,
+(select c.name from post p, community c where mlp.post_id = p.id and p.community_id = c.id) as community_name
+from mod_lock_post mlp;
+
+create view mod_remove_comment_view as 
+select mrc.*,
+(select name from user_ u where mrc.mod_user_id = u.id) as mod_user_name,
+(select c.id from comment c where mrc.comment_id = c.id) as comment_user_id,
+(select name from user_ u, comment c where mrc.comment_id = c.id and u.id = c.creator_id) as comment_user_name,
+(select content from comment c where mrc.comment_id = c.id) as comment_content,
+(select p.id from post p, comment c where mrc.comment_id = c.id and c.post_id = p.id) as post_id,
+(select p.name from post p, comment c where mrc.comment_id = c.id and c.post_id = p.id) as post_name,
+(select co.id from comment c, post p, community co where mrc.comment_id = c.id and c.post_id = p.id and p.community_id = co.id) as community_id, 
+(select co.name from comment c, post p, community co where mrc.comment_id = c.id and c.post_id = p.id and p.community_id = co.id) as community_name
+from mod_remove_comment mrc;
+
+create view mod_sticky_post_view as 
+select msp.*,
+(select name from user_ u where msp.mod_user_id = u.id) as mod_user_name,
+(select name from post p where msp.post_id = p.id) as post_name,
+(select c.id from post p, community c where msp.post_id = p.id and p.community_id = c.id) as community_id,
+(select c.name from post p, community c where msp.post_id = p.id and p.community_id = c.id) as community_name
+from mod_sticky_post msp;
diff --git a/server/migrations/2020-02-06-165953_change_post_title_length/up.sql b/server/migrations/2020-02-06-165953_change_post_title_length/up.sql
new file mode 100644
index 00000000..006a7d04
--- /dev/null
+++ b/server/migrations/2020-02-06-165953_change_post_title_length/up.sql
@@ -0,0 +1,133 @@
+-- Drop the dependent views
+drop view post_view;
+drop view post_mview;
+drop materialized view post_aggregates_mview;
+drop view post_aggregates_view;
+drop view mod_remove_post_view;
+drop view mod_sticky_post_view;
+drop view mod_lock_post_view;
+drop view mod_remove_comment_view;
+
+-- Add the extra post limit
+alter table post alter column name type varchar(200);
+
+-- regen post view
+create view post_aggregates_view as
+select        
+p.*,
+(select u.banned from user_ u where p.creator_id = u.id) as banned,
+(select cb.id::bool from community_user_ban cb where p.creator_id = cb.user_id and p.community_id = cb.community_id) as banned_from_community,
+(select name from user_ where p.creator_id = user_.id) as creator_name,
+(select avatar from user_ where p.creator_id = user_.id) as creator_avatar,
+(select name from community where p.community_id = community.id) as community_name,
+(select removed from community c where p.community_id = c.id) as community_removed,
+(select deleted from community c where p.community_id = c.id) as community_deleted,
+(select nsfw from community c where p.community_id = c.id) as community_nsfw,
+(select count(*) from comment where comment.post_id = p.id) as number_of_comments,
+coalesce(sum(pl.score), 0) as score,
+count (case when pl.score = 1 then 1 else null end) as upvotes,
+count (case when pl.score = -1 then 1 else null end) as downvotes,
+hot_rank(coalesce(sum(pl.score) , 0), p.published) as hot_rank
+from post p
+left join post_like pl on p.id = pl.post_id
+group by p.id;
+
+create materialized view post_aggregates_mview as select * from post_aggregates_view;
+
+create unique index idx_post_aggregates_mview_id on post_aggregates_mview (id);
+
+create view post_view as 
+with all_post as (
+  select
+  pa.*
+  from post_aggregates_view pa
+)
+select
+ap.*,
+u.id as user_id,
+coalesce(pl.score, 0) as my_vote,
+(select cf.id::bool from community_follower cf where u.id = cf.user_id and cf.community_id = ap.community_id) as subscribed,
+(select pr.id::bool from post_read pr where u.id = pr.user_id and pr.post_id = ap.id) as read,
+(select ps.id::bool from post_saved ps where u.id = ps.user_id and ps.post_id = ap.id) as saved
+from user_ u
+cross join all_post ap
+left join post_like pl on u.id = pl.user_id and ap.id = pl.post_id
+
+union all
+
+select 
+ap.*,
+null as user_id,
+null as my_vote,
+null as subscribed,
+null as read,
+null as saved
+from all_post ap
+;
+
+create view post_mview as 
+with all_post as (
+  select
+  pa.*
+  from post_aggregates_mview pa
+)
+select
+ap.*,
+u.id as user_id,
+coalesce(pl.score, 0) as my_vote,
+(select cf.id::bool from community_follower cf where u.id = cf.user_id and cf.community_id = ap.community_id) as subscribed,
+(select pr.id::bool from post_read pr where u.id = pr.user_id and pr.post_id = ap.id) as read,
+(select ps.id::bool from post_saved ps where u.id = ps.user_id and ps.post_id = ap.id) as saved
+from user_ u
+cross join all_post ap
+left join post_like pl on u.id = pl.user_id and ap.id = pl.post_id
+
+union all
+
+select 
+ap.*,
+null as user_id,
+null as my_vote,
+null as subscribed,
+null as read,
+null as saved
+from all_post ap
+;
+
+-- The mod views
+
+create view mod_remove_post_view as 
+select mrp.*,
+(select name from user_ u where mrp.mod_user_id = u.id) as mod_user_name,
+(select name from post p where mrp.post_id = p.id) as post_name,
+(select c.id from post p, community c where mrp.post_id = p.id and p.community_id = c.id) as community_id,
+(select c.name from post p, community c where mrp.post_id = p.id and p.community_id = c.id) as community_name
+from mod_remove_post mrp;
+
+create view mod_lock_post_view as 
+select mlp.*,
+(select name from user_ u where mlp.mod_user_id = u.id) as mod_user_name,
+(select name from post p where mlp.post_id = p.id) as post_name,
+(select c.id from post p, community c where mlp.post_id = p.id and p.community_id = c.id) as community_id,
+(select c.name from post p, community c where mlp.post_id = p.id and p.community_id = c.id) as community_name
+from mod_lock_post mlp;
+
+create view mod_remove_comment_view as 
+select mrc.*,
+(select name from user_ u where mrc.mod_user_id = u.id) as mod_user_name,
+(select c.id from comment c where mrc.comment_id = c.id) as comment_user_id,
+(select name from user_ u, comment c where mrc.comment_id = c.id and u.id = c.creator_id) as comment_user_name,
+(select content from comment c where mrc.comment_id = c.id) as comment_content,
+(select p.id from post p, comment c where mrc.comment_id = c.id and c.post_id = p.id) as post_id,
+(select p.name from post p, comment c where mrc.comment_id = c.id and c.post_id = p.id) as post_name,
+(select co.id from comment c, post p, community co where mrc.comment_id = c.id and c.post_id = p.id and p.community_id = co.id) as community_id, 
+(select co.name from comment c, post p, community co where mrc.comment_id = c.id and c.post_id = p.id and p.community_id = co.id) as community_name
+from mod_remove_comment mrc;
+
+create view mod_sticky_post_view as 
+select msp.*,
+(select name from user_ u where msp.mod_user_id = u.id) as mod_user_name,
+(select name from post p where msp.post_id = p.id) as post_name,
+(select c.id from post p, community c where msp.post_id = p.id and p.community_id = c.id) as community_id,
+(select c.name from post p, community c where msp.post_id = p.id and p.community_id = c.id) as community_name
+from mod_sticky_post msp;
diff --git a/server/migrations/2020-02-07-210055_add_comment_subscribed/down.sql b/server/migrations/2020-02-07-210055_add_comment_subscribed/down.sql
new file mode 100644
index 00000000..b6120d15
--- /dev/null
+++ b/server/migrations/2020-02-07-210055_add_comment_subscribed/down.sql
@@ -0,0 +1,206 @@
+
+drop view reply_view;
+drop view user_mention_view;
+drop view user_mention_mview;
+drop view comment_view;
+drop view comment_mview;
+drop materialized view comment_aggregates_mview;
+drop view comment_aggregates_view;
+
+-- reply and comment view
+create view comment_aggregates_view as
+select        
+c.*,
+(select community_id from post p where p.id = c.post_id),
+(select u.banned from user_ u where c.creator_id = u.id) as banned,
+(select cb.id::bool from community_user_ban cb, post p where c.creator_id = cb.user_id and p.id = c.post_id and p.community_id = cb.community_id) as banned_from_community,
+(select name from user_ where c.creator_id = user_.id) as creator_name,
+(select avatar from user_ where c.creator_id = user_.id) as creator_avatar,
+coalesce(sum(cl.score), 0) as score,
+count (case when cl.score = 1 then 1 else null end) as upvotes,
+count (case when cl.score = -1 then 1 else null end) as downvotes
+from comment c
+left join comment_like cl on c.id = cl.comment_id
+group by c.id;
+
+create materialized view comment_aggregates_mview as select * from comment_aggregates_view;
+
+create unique index idx_comment_aggregates_mview_id on comment_aggregates_mview (id);
+
+create view comment_view as
+with all_comment as
+(
+  select
+  ca.*
+  from comment_aggregates_view ca
+)
+
+select
+ac.*,
+u.id as user_id,
+coalesce(cl.score, 0) as my_vote,
+(select cs.id::bool from comment_saved cs where u.id = cs.user_id and cs.comment_id = ac.id) as saved
+from user_ u
+cross join all_comment ac
+left join comment_like cl on u.id = cl.user_id and ac.id = cl.comment_id
+
+union all
+
+select 
+    ac.*,
+    null as user_id, 
+    null as my_vote,
+    null as saved
+from all_comment ac
+;
+
+create view comment_mview as
+with all_comment as
+(
+  select
+  ca.*
+  from comment_aggregates_mview ca
+)
+
+select
+ac.*,
+u.id as user_id,
+coalesce(cl.score, 0) as my_vote,
+(select cs.id::bool from comment_saved cs where u.id = cs.user_id and cs.comment_id = ac.id) as saved
+from user_ u
+cross join all_comment ac
+left join comment_like cl on u.id = cl.user_id and ac.id = cl.comment_id
+
+union all
+
+select 
+    ac.*,
+    null as user_id, 
+    null as my_vote,
+    null as saved
+from all_comment ac
+;
+
+
+-- Do the reply_view referencing the comment_mview
+create view reply_view as 
+with closereply as (
+    select 
+    c2.id, 
+    c2.creator_id as sender_id, 
+    c.creator_id as recipient_id
+    from comment c
+    inner join comment c2 on c.id = c2.parent_id
+    where c2.creator_id != c.creator_id
+    -- Do union where post is null
+    union
+    select
+    c.id,
+    c.creator_id as sender_id,
+    p.creator_id as recipient_id
+    from comment c, post p
+    where c.post_id = p.id and c.parent_id is null and c.creator_id != p.creator_id
+)
+select cv.*,
+closereply.recipient_id
+from comment_mview cv, closereply
+where closereply.id = cv.id
+;
+
+-- user mention
+create view user_mention_view as
+select 
+    c.id,
+    um.id as user_mention_id,
+    c.creator_id,
+    c.post_id,
+    c.parent_id,
+    c.content,
+    c.removed,
+    um.read,
+    c.published,
+    c.updated,
+    c.deleted,
+    c.community_id,
+    c.banned,
+    c.banned_from_community,
+    c.creator_name,
+    c.creator_avatar,
+    c.score,
+    c.upvotes,
+    c.downvotes,
+    c.user_id,
+    c.my_vote,
+    c.saved,
+    um.recipient_id
+from user_mention um, comment_view c
+where um.comment_id = c.id;
+
+
+create view user_mention_mview as 
+with all_comment as
+(
+  select
+  ca.*
+  from comment_aggregates_mview ca
+)
+
+select
+    ac.id,
+    um.id as user_mention_id,
+    ac.creator_id,
+    ac.post_id,
+    ac.parent_id,
+    ac.content,
+    ac.removed,
+    um.read,
+    ac.published,
+    ac.updated,
+    ac.deleted,
+    ac.community_id,
+    ac.banned,
+    ac.banned_from_community,
+    ac.creator_name,
+    ac.creator_avatar,
+    ac.score,
+    ac.upvotes,
+    ac.downvotes,
+    u.id as user_id,
+    coalesce(cl.score, 0) as my_vote,
+    (select cs.id::bool from comment_saved cs where u.id = cs.user_id and cs.comment_id = ac.id) as saved,
+    um.recipient_id
+from user_ u
+cross join all_comment ac
+left join comment_like cl on u.id = cl.user_id and ac.id = cl.comment_id
+left join user_mention um on um.comment_id = ac.id
+
+union all
+
+select 
+    ac.id,
+    um.id as user_mention_id,
+    ac.creator_id,
+    ac.post_id,
+    ac.parent_id,
+    ac.content,
+    ac.removed,
+    um.read,
+    ac.published,
+    ac.updated,
+    ac.deleted,
+    ac.community_id,
+    ac.banned,
+    ac.banned_from_community,
+    ac.creator_name,
+    ac.creator_avatar,
+    ac.score,
+    ac.upvotes,
+    ac.downvotes,
+    null as user_id, 
+    null as my_vote,
+    null as saved,
+    um.recipient_id
+from all_comment ac
+left join user_mention um on um.comment_id = ac.id
+;
+
diff --git a/server/migrations/2020-02-07-210055_add_comment_subscribed/up.sql b/server/migrations/2020-02-07-210055_add_comment_subscribed/up.sql
new file mode 100644
index 00000000..8836a571
--- /dev/null
+++ b/server/migrations/2020-02-07-210055_add_comment_subscribed/up.sql
@@ -0,0 +1,220 @@
+
+-- Adding community name, hot_rank, to comment_view, user_mention_view, and subscribed to comment_view
+
+-- Rebuild the comment view
+drop view reply_view;
+drop view user_mention_view;
+drop view user_mention_mview;
+drop view comment_view;
+drop view comment_mview;
+drop materialized view comment_aggregates_mview;
+drop view comment_aggregates_view;
+
+-- reply and comment view
+create view comment_aggregates_view as
+select        
+c.*,
+(select community_id from post p where p.id = c.post_id),
+(select co.name from post p, community co where p.id = c.post_id and p.community_id = co.id) as community_name,
+(select u.banned from user_ u where c.creator_id = u.id) as banned,
+(select cb.id::bool from community_user_ban cb, post p where c.creator_id = cb.user_id and p.id = c.post_id and p.community_id = cb.community_id) as banned_from_community,
+(select name from user_ where c.creator_id = user_.id) as creator_name,
+(select avatar from user_ where c.creator_id = user_.id) as creator_avatar,
+coalesce(sum(cl.score), 0) as score,
+count (case when cl.score = 1 then 1 else null end) as upvotes,
+count (case when cl.score = -1 then 1 else null end) as downvotes,
+hot_rank(coalesce(sum(cl.score) , 0), c.published) as hot_rank
+from comment c
+left join comment_like cl on c.id = cl.comment_id
+group by c.id;
+
+create materialized view comment_aggregates_mview as select * from comment_aggregates_view;
+
+create unique index idx_comment_aggregates_mview_id on comment_aggregates_mview (id);
+
+create view comment_view as
+with all_comment as
+(
+  select
+  ca.*
+  from comment_aggregates_view ca
+)
+
+select
+ac.*,
+u.id as user_id,
+coalesce(cl.score, 0) as my_vote,
+(select cf.id::boolean from community_follower cf where u.id = cf.user_id and ac.community_id = cf.community_id) as subscribed,
+(select cs.id::bool from comment_saved cs where u.id = cs.user_id and cs.comment_id = ac.id) as saved
+from user_ u
+cross join all_comment ac
+left join comment_like cl on u.id = cl.user_id and ac.id = cl.comment_id
+
+union all
+
+select 
+    ac.*,
+    null as user_id, 
+    null as my_vote,
+    null as subscribed,
+    null as saved
+from all_comment ac
+;
+
+create view comment_mview as
+with all_comment as
+(
+  select
+  ca.*
+  from comment_aggregates_mview ca
+)
+
+select
+ac.*,
+u.id as user_id,
+coalesce(cl.score, 0) as my_vote,
+(select cf.id::boolean from community_follower cf where u.id = cf.user_id and ac.community_id = cf.community_id) as subscribed,
+(select cs.id::bool from comment_saved cs where u.id = cs.user_id and cs.comment_id = ac.id) as saved
+from user_ u
+cross join all_comment ac
+left join comment_like cl on u.id = cl.user_id and ac.id = cl.comment_id
+
+union all
+
+select 
+    ac.*,
+    null as user_id, 
+    null as my_vote,
+    null as subscribed,
+    null as saved
+from all_comment ac
+;
+
+-- Do the reply_view referencing the comment_mview
+create view reply_view as 
+with closereply as (
+    select 
+    c2.id, 
+    c2.creator_id as sender_id, 
+    c.creator_id as recipient_id
+    from comment c
+    inner join comment c2 on c.id = c2.parent_id
+    where c2.creator_id != c.creator_id
+    -- Do union where post is null
+    union
+    select
+    c.id,
+    c.creator_id as sender_id,
+    p.creator_id as recipient_id
+    from comment c, post p
+    where c.post_id = p.id and c.parent_id is null and c.creator_id != p.creator_id
+)
+select cv.*,
+closereply.recipient_id
+from comment_mview cv, closereply
+where closereply.id = cv.id
+;
+
+-- user mention
+create view user_mention_view as
+select 
+    c.id,
+    um.id as user_mention_id,
+    c.creator_id,
+    c.post_id,
+    c.parent_id,
+    c.content,
+    c.removed,
+    um.read,
+    c.published,
+    c.updated,
+    c.deleted,
+    c.community_id,
+    c.community_name,
+    c.banned,
+    c.banned_from_community,
+    c.creator_name,
+    c.creator_avatar,
+    c.score,
+    c.upvotes,
+    c.downvotes,
+    c.hot_rank,
+    c.user_id,
+    c.my_vote,
+    c.saved,
+    um.recipient_id
+from user_mention um, comment_view c
+where um.comment_id = c.id;
+
+
+create view user_mention_mview as 
+with all_comment as
+(
+  select
+  ca.*
+  from comment_aggregates_mview ca
+)
+
+select
+    ac.id,
+    um.id as user_mention_id,
+    ac.creator_id,
+    ac.post_id,
+    ac.parent_id,
+    ac.content,
+    ac.removed,
+    um.read,
+    ac.published,
+    ac.updated,
+    ac.deleted,
+    ac.community_id,
+    ac.community_name,
+    ac.banned,
+    ac.banned_from_community,
+    ac.creator_name,
+    ac.creator_avatar,
+    ac.score,
+    ac.upvotes,
+    ac.downvotes,
+    ac.hot_rank,
+    u.id as user_id,
+    coalesce(cl.score, 0) as my_vote,
+    (select cs.id::bool from comment_saved cs where u.id = cs.user_id and cs.comment_id = ac.id) as saved,
+    um.recipient_id
+from user_ u
+cross join all_comment ac
+left join comment_like cl on u.id = cl.user_id and ac.id = cl.comment_id
+left join user_mention um on um.comment_id = ac.id
+
+union all
+
+select 
+    ac.id,
+    um.id as user_mention_id,
+    ac.creator_id,
+    ac.post_id,
+    ac.parent_id,
+    ac.content,
+    ac.removed,
+    um.read,
+    ac.published,
+    ac.updated,
+    ac.deleted,
+    ac.community_id,
+    ac.community_name,
+    ac.banned,
+    ac.banned_from_community,
+    ac.creator_name,
+    ac.creator_avatar,
+    ac.score,
+    ac.upvotes,
+    ac.downvotes,
+    ac.hot_rank,
+    null as user_id, 
+    null as my_vote,
+    null as saved,
+    um.recipient_id
+from all_comment ac
+left join user_mention um on um.comment_id = ac.id
+;
+
diff --git a/server/migrations/2020-02-08-145624_add_post_newest_activity_time/down.sql b/server/migrations/2020-02-08-145624_add_post_newest_activity_time/down.sql
new file mode 100644
index 00000000..8b912fa3
--- /dev/null
+++ b/server/migrations/2020-02-08-145624_add_post_newest_activity_time/down.sql
@@ -0,0 +1,88 @@
+drop view post_view;
+drop view post_mview;
+drop materialized view post_aggregates_mview;
+drop view post_aggregates_view;
+
+-- regen post view
+create view post_aggregates_view as
+select        
+p.*,
+(select u.banned from user_ u where p.creator_id = u.id) as banned,
+(select cb.id::bool from community_user_ban cb where p.creator_id = cb.user_id and p.community_id = cb.community_id) as banned_from_community,
+(select name from user_ where p.creator_id = user_.id) as creator_name,
+(select avatar from user_ where p.creator_id = user_.id) as creator_avatar,
+(select name from community where p.community_id = community.id) as community_name,
+(select removed from community c where p.community_id = c.id) as community_removed,
+(select deleted from community c where p.community_id = c.id) as community_deleted,
+(select nsfw from community c where p.community_id = c.id) as community_nsfw,
+(select count(*) from comment where comment.post_id = p.id) as number_of_comments,
+coalesce(sum(pl.score), 0) as score,
+count (case when pl.score = 1 then 1 else null end) as upvotes,
+count (case when pl.score = -1 then 1 else null end) as downvotes,
+hot_rank(coalesce(sum(pl.score) , 0), p.published) as hot_rank
+from post p
+left join post_like pl on p.id = pl.post_id
+group by p.id;
+
+create materialized view post_aggregates_mview as select * from post_aggregates_view;
+
+create unique index idx_post_aggregates_mview_id on post_aggregates_mview (id);
+
+create view post_view as 
+with all_post as (
+  select
+  pa.*
+  from post_aggregates_view pa
+)
+select
+ap.*,
+u.id as user_id,
+coalesce(pl.score, 0) as my_vote,
+(select cf.id::bool from community_follower cf where u.id = cf.user_id and cf.community_id = ap.community_id) as subscribed,
+(select pr.id::bool from post_read pr where u.id = pr.user_id and pr.post_id = ap.id) as read,
+(select ps.id::bool from post_saved ps where u.id = ps.user_id and ps.post_id = ap.id) as saved
+from user_ u
+cross join all_post ap
+left join post_like pl on u.id = pl.user_id and ap.id = pl.post_id
+
+union all
+
+select 
+ap.*,
+null as user_id,
+null as my_vote,
+null as subscribed,
+null as read,
+null as saved
+from all_post ap
+;
+
+create view post_mview as 
+with all_post as (
+  select
+  pa.*
+  from post_aggregates_mview pa
+)
+select
+ap.*,
+u.id as user_id,
+coalesce(pl.score, 0) as my_vote,
+(select cf.id::bool from community_follower cf where u.id = cf.user_id and cf.community_id = ap.community_id) as subscribed,
+(select pr.id::bool from post_read pr where u.id = pr.user_id and pr.post_id = ap.id) as read,
+(select ps.id::bool from post_saved ps where u.id = ps.user_id and ps.post_id = ap.id) as saved
+from user_ u
+cross join all_post ap
+left join post_like pl on u.id = pl.user_id and ap.id = pl.post_id
+
+union all
+
+select 
+ap.*,
+null as user_id,
+null as my_vote,
+null as subscribed,
+null as read,
+null as saved
+from all_post ap
+;
+
diff --git a/server/migrations/2020-02-08-145624_add_post_newest_activity_time/up.sql b/server/migrations/2020-02-08-145624_add_post_newest_activity_time/up.sql
new file mode 100644
index 00000000..e1541277
--- /dev/null
+++ b/server/migrations/2020-02-08-145624_add_post_newest_activity_time/up.sql
@@ -0,0 +1,106 @@
+-- Adds a newest_activity_time for the post_views, in order to sort by newest comment
+drop view post_view;
+drop view post_mview;
+drop materialized view post_aggregates_mview;
+drop view post_aggregates_view;
+
+-- regen post view
+create view post_aggregates_view as
+select        
+p.*,
+(select u.banned from user_ u where p.creator_id = u.id) as banned,
+(select cb.id::bool from community_user_ban cb where p.creator_id = cb.user_id and p.community_id = cb.community_id) as banned_from_community,
+(select name from user_ where p.creator_id = user_.id) as creator_name,
+(select avatar from user_ where p.creator_id = user_.id) as creator_avatar,
+(select name from community where p.community_id = community.id) as community_name,
+(select removed from community c where p.community_id = c.id) as community_removed,
+(select deleted from community c where p.community_id = c.id) as community_deleted,
+(select nsfw from community c where p.community_id = c.id) as community_nsfw,
+(select count(*) from comment where comment.post_id = p.id) as number_of_comments,
+coalesce(sum(pl.score), 0) as score,
+count (case when pl.score = 1 then 1 else null end) as upvotes,
+count (case when pl.score = -1 then 1 else null end) as downvotes,
+hot_rank(coalesce(sum(pl.score) , 0), 
+  (
+    case when (p.published < ('now'::timestamp - '1 month'::interval)) then p.published -- Prevents necro-bumps
+    else greatest(c.recent_comment_time, p.published)
+    end
+  )
+) as hot_rank,
+(
+  case when (p.published < ('now'::timestamp - '1 month'::interval)) then p.published -- Prevents necro-bumps
+  else greatest(c.recent_comment_time, p.published)
+  end
+) as newest_activity_time 
+from post p
+left join post_like pl on p.id = pl.post_id
+left join (
+  select post_id, 
+  max(published) as recent_comment_time
+  from comment
+  group by 1
+) c on p.id = c.post_id
+group by p.id, c.recent_comment_time;
+
+create materialized view post_aggregates_mview as select * from post_aggregates_view;
+
+create unique index idx_post_aggregates_mview_id on post_aggregates_mview (id);
+
+create view post_view as 
+with all_post as (
+  select
+  pa.*
+  from post_aggregates_view pa
+)
+select
+ap.*,
+u.id as user_id,
+coalesce(pl.score, 0) as my_vote,
+(selec