Added Models App, Installation Batch Installation

db/migrate/20151113123015_create_applications.rb

@@ -0,0 +1,10 @@
+class CreateApplications < ActiveRecord::Migration
+  def change
+    create_table :applications do |t|
+      t.string :name
+      t.string :package_name
+
+      t.timestamps null: false
+    end
+  end
+end

db/migrate/20151113124226_rename_application_to_app.rb

@@ -0,0 +1,5 @@
+class RenameApplicationToApp < ActiveRecord::Migration
+  def change
+    rename_table :applications, :apps
+  end
+end

db/migrate/20151113131647_create_batch_installations.rb

@@ -0,0 +1,9 @@
+class CreateBatchInstallations < ActiveRecord::Migration
+  def change
+    create_table :batch_installations do |t|
+      t.integer :app_id
+
+      t.timestamps null: false
+    end
+  end
+end

db/migrate/20151113132152_create_installations.rb

@@ -0,0 +1,11 @@
+class CreateInstallations < ActiveRecord::Migration
+  def change
+    create_table :installations do |t|
+      t.integer :device_id
+      t.integer :batch_installation_id
+      t.integer :status
+
+      t.timestamps null: false
+    end
+  end
+end

db/migrate/20151113140645_change_status_data_type_from_string_to_integer_in_installation.rb

@@ -0,0 +1,5 @@
+class ChangeStatusDataTypeFromStringToIntegerInInstallation < ActiveRecord::Migration
+  def change
+    change_column :installations, :status, :integer
+  end
+end