Add the `UserStatus` model

This model will hold the status of a user, including these fields:

- emoji: always present, with a default value
- user: always present, foreign key to user
- message: optional, maximum length of 100

The table also stores

- cached_markdown_version
- message_html

For rendering markdown in the `message` field.

1 files changed, 13 insertions, 0 deletions

diff --git a/app/models/user_status.rb b/app/models/user_status.rb
new file mode 100644
index 00000000000..df65d89b03c
--- /dev/null
+++ b/app/models/user_status.rb
@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+class UserStatus < ActiveRecord::Base
+  include CacheMarkdownField
+
+  belongs_to :user
+
+  validates :user, presence: true
+  validates :emoji, inclusion: { in: Gitlab::Emoji.emojis_names }
+  validates :message, length: { maximum: 100 }, allow_blank: true
+
+  cache_markdown_field :message, pipeline: :single_line
+end