+class Issue < ApplicationRecord
+ belongs_to :reportable, :polymorphic => true
+ belongs_to :reported_user, :class_name => "User", :optional => true
+ belongs_to :user_resolved, :class_name => "User", :foreign_key => :resolved_by, :optional => true
+ belongs_to :user_updated, :class_name => "User", :foreign_key => :updated_by, :optional => true
+
+ has_many :reports, :dependent => :destroy
+ has_many :comments, :class_name => "IssueComment", :dependent => :destroy
+
+ validates :reportable_id, :uniqueness => { :scope => [:reportable_type] }
+
+ ASSIGNED_ROLES = %w[administrator moderator].freeze
+ validates :assigned_role, :presence => true, :inclusion => ASSIGNED_ROLES
+
+ before_validation :set_reported_user
+
+ scope :with_status, ->(issue_status) { where(:status => issue_status) }
+ scope :visible_to, ->(user) { where(:assigned_role => user.roles.map(&:role)) }
+
+ def read_reports
+ resolved_at.present? ? reports.where("updated_at < ?", resolved_at) : nil
+ end
+
+ def unread_reports
+ resolved_at.present? ? reports.where("updated_at >= ?", resolved_at) : reports
+ end
+
+ include AASM
+ aasm :column => :status, :no_direct_assignment => true do
+ state :open, :initial => true
+ state :ignored
+ state :resolved
+
+ event :ignore do
+ transitions :from => :open, :to => :ignored
+ end
+
+ event :resolve do
+ transitions :from => :open, :to => :resolved
+ after do
+ self.resolved_at = Time.now.utc
+ end
+ end
+
+ event :reopen do
+ transitions :from => :resolved, :to => :open
+ transitions :from => :ignored, :to => :open
+ end
+ end
+
+ private
+
+ def set_reported_user
+ self.reported_user = case reportable.class.name
+ when "User"
+ reportable
+ when "Note"
+ reportable.author
+ else
+ reportable.user
+ end
+ end