Add user activity service and spec. Also added relevant - NOT offline - migration

It uses a user activity table instead of a column in users.
Tested with mySQL and postgreSQL

1 files changed, 8 insertions, 0 deletions

diff --git a/db/schema.rb b/db/schema.rb
index 1c592dd5d6d..3ed28a02de2 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -1230,6 +1230,13 @@ ActiveRecord::Schema.define(version: 20170408033905) do
   add_index "uploads", ["model_id", "model_type"], name: "index_uploads_on_model_id_and_model_type", using: :btree
   add_index "uploads", ["path"], name: "index_uploads_on_path", using: :btree
 
+  create_table "user_activities", force: :cascade do |t|
+    t.integer "user_id"
+    t.datetime "last_activity_at", null: false
+  end
+
+  add_index "user_activities", ["user_id"], name: "index_user_activities_on_user_id", unique: true, using: :btree
+
   create_table "user_agent_details", force: :cascade do |t|
     t.string "user_agent", null: false
     t.string "ip_address", null: false
@@ -1389,4 +1396,5 @@ ActiveRecord::Schema.define(version: 20170408033905) do
   add_foreign_key "timelogs", "merge_requests", name: "fk_timelogs_merge_requests_merge_request_id", on_delete: :cascade
   add_foreign_key "trending_projects", "projects", on_delete: :cascade
   add_foreign_key "u2f_registrations", "users"
+  add_foreign_key "user_activities", "users", on_delete: :cascade
 end