lots of things done: thread - reply - category - seeds

priv/repo/migrations/20180102015706_create_thread.exs

@@ -4,15 +4,15 @@ defmodule MyApp.Repo.Migrations.CreateThread do
   def change do
     create table(:thread) do
       add :title, :string
+      add :category_id, :integer
       add :content, :string
       add :view_count, :integer
       add :user_id, references(:user)
-      add :last_reply_id, :integer
+      add :last_reply_id, :integer # TODO: figure this out
       add :sticky, :boolean
       add :locked, :boolean
-
+      add :edited, :boolean
       timestamps()
     end
-
   end
 end

priv/repo/migrations/20180103015757_create_category.exs

@@ -0,0 +1,13 @@
+defmodule MyApp.Repo.Migrations.CreateCategory do
+  use Ecto.Migration
+
+  def change do
+    create table(:category) do
+      add :category, :string
+      add :title, :string
+    end
+
+    create unique_index(:category, [:category, :title])
+  end
+
+end

priv/repo/migrations/20180103020058_thread_category_foreign_key.exs

@@ -0,0 +1,9 @@
+defmodule MyApp.Repo.Migrations.ThreadCategoryForeignKey do
+  use Ecto.Migration
+
+  def change do
+    alter table(:thread) do
+      modify :category_id, references(:category)
+    end
+  end
+end

priv/repo/migrations/20180103040352_create_reply.exs

@@ -0,0 +1,14 @@
+defmodule MyApp.Repo.Migrations.CreateReply do
+  use Ecto.Migration
+
+  def change do
+    create table(:reply) do
+      add :user_id, references(:user)
+      add :thread_id, references(:thread)
+      add :content, :string
+      add :edited, :boolean
+      add :quote, :boolean
+      timestamps()
+    end
+  end
+end