Drop theme ID from users table

app/controllers/admin/users_controller.rb

@@ -194,7 +194,6 @@ class Admin::UsersController < Admin::ApplicationController
       :provider,
       :remember_me,
       :skype,
-      :theme_id,
       :twitter,
       :username,
       :website_url

app/controllers/profiles/preferences_controller.rb

@@ -34,7 +34,6 @@ class Profiles::PreferencesController < Profiles::ApplicationController
       :layout,
       :dashboard,
       :project_view,
-      :theme_id
     )
   end
 end

app/models/user.rb

@@ -21,7 +21,6 @@ class User < ActiveRecord::Base
   default_value_for :can_create_team, false
   default_value_for :hide_no_ssh_key, false
   default_value_for :hide_no_password, false
-  default_value_for :theme_id, gitlab_config.default_theme
 
   attr_encrypted :otp_secret,
     key:       Gitlab::Application.secrets.otp_key_base,

config/gitlab.yml.example

@@ -76,14 +76,6 @@ production: &base
 
     # default_can_create_group: false  # default: true
     # username_changing_enabled: false # default: true - User can change her username/namespace
-    ## Default theme ID
-    ##   1 - Graphite
-    ##   2 - Charcoal
-    ##   3 - Green
-    ##   4 - Gray
-    ##   5 - Violet
-    ##   6 - Blue
-    # default_theme: 2 # default: 2
 
     ## Automatic issue closing
     # If a commit message matches this regular expression, all issues referenced from the matched text will be closed.

db/migrate/20170213172852_remove_theme_id_from_users.rb

@@ -0,0 +1,29 @@
+# See http://doc.gitlab.com/ce/development/migration_style_guide.html
+# for more information on how to write migrations for GitLab.
+
+class RemoveThemeIdFromUsers < ActiveRecord::Migration
+  include Gitlab::Database::MigrationHelpers
+
+  # Set this constant to true if this migration requires downtime.
+  DOWNTIME = false
+
+  # When a migration requires downtime you **must** uncomment the following
+  # constant and define a short and easy to understand explanation as to why the
+  # migration requires downtime.
+  # DOWNTIME_REASON = ''
+
+  # When using the methods "add_concurrent_index" or "add_column_with_default"
+  # you must disable the use of transactions as these methods can not run in an
+  # existing transaction. When using "add_concurrent_index" make sure that this
+  # method is the _only_ method called in the migration, any other changes
+  # should go in a separate migration. This ensures that upon failure _only_ the
+  # index creation fails and can be retried or reverted easily.
+  #
+  # To disable transactions uncomment the following line and remove these
+  # comments:
+  # disable_ddl_transaction!
+
+  def change
+    remove_column :users, :theme_id, :integer
+  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: 20170214111112) do
+ActiveRecord::Schema.define(version: 20170213172852) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -109,8 +109,8 @@ ActiveRecord::Schema.define(version: 20170214111112) do
     t.boolean "html_emails_enabled", default: true
     t.string "plantuml_url"
     t.boolean "plantuml_enabled"
-    t.integer "max_pages_size", default: 100, null: false
     t.integer "terminal_max_session_time", default: 0, null: false
+    t.integer "max_pages_size", default: 100, null: false
   end
 
   create_table "audit_events", force: :cascade do |t|
@@ -1238,7 +1238,6 @@ ActiveRecord::Schema.define(version: 20170214111112) do
     t.string "linkedin", default: "", null: false
     t.string "twitter", default: "", null: false
     t.string "authentication_token"
-    t.integer "theme_id", default: 1, null: false
     t.string "bio"
     t.integer "failed_attempts", default: 0
     t.datetime "locked_at"
@@ -1351,4 +1350,4 @@ ActiveRecord::Schema.define(version: 20170214111112) 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"
-end
+end

spec/models/user_spec.rb

@@ -582,7 +582,6 @@ describe User, models: true do
       it "applies defaults to user" do
         expect(user.projects_limit).to eq(Gitlab.config.gitlab.default_projects_limit)
         expect(user.can_create_group).to eq(Gitlab.config.gitlab.default_can_create_group)
-        expect(user.theme_id).to eq(Gitlab.config.gitlab.default_theme)
         expect(user.external).to be_falsey
       end
     end