Reduce the Number of Migration Files

db/migrate/20150514185633_create_forem_forums.rb

@@ -0,0 +1,24 @@
+class CreateForemForums < ActiveRecord::Migration
+  def change
+    create_table :forem_forums do |t|
+      t.string :name
+      t.text :description
+
+      t.integer :category_id
+      t.integer :views_count, :default=>0
+      t.string :slug
+      t.integer :position, :default => 0
+
+      t.index :slug, :unique => true
+    end
+
+    if Forem::Forum.count > 0
+      Forem::Forum.update_all :category_id => Forem::Category.first.id
+    end
+    Forem::Forum.find_each do |forum|
+      forum.update_column(:views_count, forum.topics.sum(:views_count))
+    end
+    Forem::Forum.reset_column_information
+    Forem::Forum.find_each {|t| t.save! }
+  end
+end

db/migrate/20150514185634_create_forem_topics.rb

@@ -0,0 +1,35 @@
+class CreateForemTopics < ActiveRecord::Migration
+  def change
+    create_table :forem_topics do |t|
+      t.integer :forum_id
+      t.integer :user_id
+      t.string :subject
+      t.timestamps :null => false
+
+      t.boolean :locked, :null => false, :default => false
+      t.boolean :pinned, :default => false, :nullable => false
+      t.boolean :hidden, :default => false
+      t.string :state, :default => 'pending_review'
+      t.datetime :last_post_at
+      t.integer :views_count, :default=>0
+      t.string :slug
+
+      t.index :forum_id
+      t.index :user_id
+      t.index :state
+      t.index :slug, :unique => true
+    end
+
+    Forem::Topic.reset_column_information
+    Forem::Topic.includes(:posts).find_each do |t|
+      post = t.posts.last
+      t.update_attribute(:last_post_at, post.updated_at)
+    end
+    Forem::Topic.update_all :state => "approved"
+    Forem::Topic.find_each do |topic|
+      topic.update_column(:views_count, topic.views.sum(:count))
+    end
+    Forem::Topic.reset_column_information
+    Forem::Topic.find_each {|t| t.save! }
+  end
+end

db/migrate/20150514185635_create_forem_posts.rb

@@ -0,0 +1,21 @@
+class CreateForemPosts < ActiveRecord::Migration
+  def change
+    create_table :forem_posts do |t|
+      t.integer :topic_id
+      t.text :text
+      t.integer :user_id
+      t.timestamps :null => false
+
+      t.integer :reply_to_id
+      t.string :state, :default => 'pending_review'
+      t.boolean :notified, :default => false
+
+      t.index :topic_id
+      t.index :user_id
+      t.index :reply_to_id
+      t.index :state
+    end
+
+    Forem::Post.update_all :state => "approved"
+  end
+end