Reworking some UI. Adding proper trending communities with hot rank.

- Breaking out subscribed and all into radios. Fixes #142

2 files changed, 57 insertions, 0 deletions

diff --git a/server/migrations/2019-05-02-051656_community_view_hot_rank/down.sql b/server/migrations/2019-05-02-051656_community_view_hot_rank/down.sql
new file mode 100644
index 00000000..0f3a58a8
--- /dev/null
+++ b/server/migrations/2019-05-02-051656_community_view_hot_rank/down.sql
@@ -0,0 +1,28 @@
+drop view community_view;
+create view community_view as 
+with all_community as
+(
+  select *,
+  (select name from user_ u where c.creator_id = u.id) as creator_name,
+  (select name from category ct where c.category_id = ct.id) as category_name,
+  (select count(*) from community_follower cf where cf.community_id = c.id) as number_of_subscribers,
+  (select count(*) from post p where p.community_id = c.id) as number_of_posts,
+  (select count(*) from comment co, post p where c.id = p.community_id and p.id = co.post_id) as number_of_comments
+  from community c
+)
+
+select
+ac.*,
+u.id as user_id,
+(select cf.id::boolean from community_follower cf where u.id = cf.user_id and ac.id = cf.community_id) as subscribed
+from user_ u
+cross join all_community ac
+
+union all
+
+select 
+ac.*,
+null as user_id,
+null as subscribed
+from all_community ac
+;
diff --git a/server/migrations/2019-05-02-051656_community_view_hot_rank/up.sql b/server/migrations/2019-05-02-051656_community_view_hot_rank/up.sql
new file mode 100644
index 00000000..e7e75366
--- /dev/null
+++ b/server/migrations/2019-05-02-051656_community_view_hot_rank/up.sql
@@ -0,0 +1,29 @@
+drop view community_view;
+create view community_view as 
+with all_community as
+(
+  select *,
+  (select name from user_ u where c.creator_id = u.id) as creator_name,
+  (select name from category ct where c.category_id = ct.id) as category_name,
+  (select count(*) from community_follower cf where cf.community_id = c.id) as number_of_subscribers,
+  (select count(*) from post p where p.community_id = c.id) as number_of_posts,
+  (select count(*) from comment co, post p where c.id = p.community_id and p.id = co.post_id) as number_of_comments,
+  hot_rank((select count(*) from community_follower cf where cf.community_id = c.id), c.published) as hot_rank
+  from community c
+)
+
+select
+ac.*,
+u.id as user_id,
+(select cf.id::boolean from community_follower cf where u.id = cf.user_id and ac.id = cf.community_id) as subscribed
+from user_ u
+cross join all_community ac
+
+union all
+
+select 
+ac.*,
+null as user_id,
+null as subscribed
+from all_community ac
+;