Wip: bookmark statuses view and adder

app/models/bookmark_category_status.rb

@@ -0,0 +1,34 @@
+# frozen_string_literal: true
+
+# == Schema Information
+#
+# Table name: bookmark_category_statuses
+#
+#  id                   :bigint(8)        not null, primary key
+#  bookmark_category_id :bigint(8)        not null
+#  status_id            :bigint(8)        not null
+#  bookmark_id          :bigint(8)
+#  created_at           :datetime         not null
+#  updated_at           :datetime         not null
+#
+
+class BookmarkCategoryStatus < ApplicationRecord
+  belongs_to :bookmark_category
+  belongs_to :status
+  belongs_to :bookmark
+
+  validates :status_id, uniqueness: { scope: :bookmark_category_id }
+  validate :validate_relationship
+
+  before_validation :set_bookmark
+
+  private
+
+  def set_bookmark
+    self.bookmark = Bookmark.find_by!(account_id: bookmark_category.account_id, status_id: status_id)
+  end
+
+  def validate_relationship
+    errors.add(:account_id, 'bookmark relationship missing') if bookmark_id.blank?
+  end
+end