feat(db): Add support for stickies in database

Adds a 'sticky' column to threads and rewrites the thread index to
take sticky markings into account when ordering threads.

Stickies are not yet highlighted in any way in the forum overview.

7 files changed, 36 insertions, 21 deletions

diff --git a/migrations/2018-04-14-145711_create_index_view/down.sql b/migrations/2018-04-14-145711_create_index_view/down.sql
deleted file mode 100644
index 87d26820f7e2..000000000000
--- a/migrations/2018-04-14-145711_create_index_view/down.sql
+++ /dev/null
@@ -1 +0,0 @@
-DROP VIEW thread_index;
diff --git a/migrations/2018-04-14-145711_create_index_view/up.sql b/migrations/2018-04-14-145711_create_index_view/up.sql
deleted file mode 100644
index 3b7ddc1d647a..000000000000
--- a/migrations/2018-04-14-145711_create_index_view/up.sql
+++ /dev/null
@@ -1,15 +0,0 @@
--- Create a simple view that returns the list of threads ordered by
--- the last post that occured in the thread.
-
-CREATE VIEW thread_index AS
-  SELECT t.id AS thread_id,
-         t.title AS title,
-         t.author_name AS author_name,
-         t.posted AS posted,
-         p.id AS post_id
-    FROM threads t
-    JOIN (SELECT DISTINCT ON (thread_id) id, thread_id
-          FROM posts
-          ORDER BY thread_id, id DESC) AS p
-    ON t.id = p.thread_id
-    ORDER BY p.id DESC;
diff --git a/migrations/2018-04-14-153202_add_stickies_improve_index/down.sql b/migrations/2018-04-14-153202_add_stickies_improve_index/down.sql
new file mode 100644
index 000000000000..a67ada3d4a57
--- /dev/null
+++ b/migrations/2018-04-14-153202_add_stickies_improve_index/down.sql
@@ -0,0 +1,2 @@
+DROP VIEW thread_index;
+ALTER TABLE threads DROP COLUMN sticky;
diff --git a/migrations/2018-04-14-153202_add_stickies_improve_index/up.sql b/migrations/2018-04-14-153202_add_stickies_improve_index/up.sql
new file mode 100644
index 000000000000..74a559e35d00
--- /dev/null
+++ b/migrations/2018-04-14-153202_add_stickies_improve_index/up.sql
@@ -0,0 +1,21 @@
+-- Add support for stickies in threads
+ALTER TABLE threads ADD COLUMN sticky BOOLEAN NOT NULL DEFAULT FALSE;
+
+-- CREATE a simple view that returns the list of threads ordered by
+-- the last post that occured in the thread.
+CREATE VIEW thread_index AS
+  SELECT t.id AS thread_id,
+         t.title AS title,
+         t.author_name AS thread_author,
+         t.posted AS created,
+         t.sticky AS sticky,
+         p.id AS post_id,
+         p.author_name AS post_author,
+         p.posted AS posted
+    FROM threads t
+    JOIN (SELECT DISTINCT ON (thread_id)
+           id, thread_id, author_name, posted
+          FROM posts
+          ORDER BY thread_id, id DESC) AS p
+    ON t.id = p.thread_id
+    ORDER BY t.sticky DESC, p.id DESC;
diff --git a/src/models.rs b/src/models.rs
index 159a85469aeb..9d3405e1540f 100644
--- a/src/models.rs
+++ b/src/models.rs
@@ -24,6 +24,7 @@ pub struct Thread {
     pub posted: DateTime<Utc>,
     pub author_name: String,
     pub author_email: String,
+    pub sticky: bool,
 }
 
 /// This struct is used as the query type for the thread index view,
@@ -33,9 +34,12 @@ pub struct Thread {
 pub struct ThreadIndex {
     pub thread_id: i32,
     pub title: String,
-    pub author_name: String,
-    pub posted: DateTime<Utc>,
+    pub thread_author: String,
+    pub created: DateTime<Utc>,
+    pub sticky: bool,
     pub post_id: i32,
+    pub post_author: String,
+    pub posted: DateTime<Utc>,
 }
 
 #[derive(Identifiable, Queryable, Serialize, Associations)]
diff --git a/src/render.rs b/src/render.rs
index 66b3fe19c867..598d48bce893 100644
--- a/src/render.rs
+++ b/src/render.rs
@@ -72,7 +72,7 @@ impl Handler<IndexPage> for Renderer {
                 id: thread.thread_id,
                 title: escape_html(&thread.title),
                 posted: thread.posted.into(),
-                author_name: thread.author_name,
+                author_name: thread.thread_author,
             })
             .collect();
 
diff --git a/src/schema.rs b/src/schema.rs
index 02392c8fc60c..50a55c786825 100644
--- a/src/schema.rs
+++ b/src/schema.rs
@@ -16,6 +16,7 @@ table! {
         posted -> Timestamptz,
         author_name -> Varchar,
         author_email -> Varchar,
+        sticky -> Bool,
     }
 }
 
@@ -24,9 +25,12 @@ table! {
     thread_index (thread_id){
         thread_id -> Integer,
         title -> Text,
-        author_name -> Text,
-        posted -> Timestamptz,
+        thread_author -> Text,
+        created -> Timestamptz,
+        sticky -> Bool,
         post_id -> Integer,
+        post_author -> Text,
+        posted -> Timestamptz,
     }
 }