tracks visits from different email templates

db/migrate/20151020135111_create_campaigns.rb

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

db/schema.rb

@@ -12,7 +12,6 @@
 # It's strongly recommended that you check this file into your version control system.
 
 ActiveRecord::Schema.define(version: 20151021113348) do
-
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -48,6 +47,13 @@ ActiveRecord::Schema.define(version: 20151021113348) do
   add_index "ahoy_events", ["user_id"], name: "index_ahoy_events_on_user_id", using: :btree
   add_index "ahoy_events", ["visit_id"], name: "index_ahoy_events_on_visit_id", using: :btree
 
+  create_table "campaigns", force: :cascade do |t|
+    t.string   "name"
+    t.string   "track_id"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+  end
+
   create_table "comments", force: :cascade do |t|
     t.integer  "commentable_id"
     t.string   "commentable_type"