API for app usage tracking

db/migrate/20160204094618_create_app_usages.rb

@@ -0,0 +1,11 @@
+class CreateAppUsages < ActiveRecord::Migration
+  def change
+    create_table :app_usages do |t|
+      t.string :package_name, null: false, index: false
+      t.integer :usage_duration_in_seconds, null: false, index: false
+      t.date :used_on, null: false, index: false
+
+      t.timestamps null: false
+    end
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20151118101616) do
+ActiveRecord::Schema.define(version: 20160204094618) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -49,6 +49,14 @@ ActiveRecord::Schema.define(version: 20151118101616) do
   add_index "admin_users", ["email"], name: "index_admin_users_on_email", unique: true, using: :btree
   add_index "admin_users", ["reset_password_token"], name: "index_admin_users_on_reset_password_token", unique: true, using: :btree
 
+  create_table "app_usages", force: :cascade do |t|
+    t.string   "package_name",              null: false
+    t.integer  "usage_duration_in_seconds", null: false
+    t.date     "used_on",                   null: false
+    t.datetime "created_at",                null: false
+    t.datetime "updated_at",                null: false
+  end
+
   create_table "apps", force: :cascade do |t|
     t.string   "name"
     t.string   "package_name"