educoder/app/models/journal.rb

class Journal < ApplicationRecord
  belongs_to :user
  belongs_to :issue, foreign_key: :journalized_id, :touch => true
  has_many :journal_details, :dependent => :delete_all
  has_many :attachments, as: :container, dependent: :destroy

  scope :journal_includes, ->{includes(:user, :journal_details, :attachments)}
  scope :parent_journals, ->{where(parent_id: nil)}
  scope :children_journals, lambda{|journal_id| where(parent_id: journal_id)}


  def is_journal_detail?
    self.notes.blank? && self.journal_details.present?
  end

  def journal_content
    send_details = []
    if self.is_journal_detail?
      details = self.journal_details.select(:property, :prop_key, :old_value, :value).pluck(:property, :prop_key, :old_value, :value)
      if details.size > 0
        details.each do |de|
          if de[0] == "attr"
            content = ""
          else
            content = "附件"
          end
          old_value = de[2]
          value = de[3]
          if de[1].to_i > 0
            prop_name = ""
          else
            prop_name = I18n.t("journal_detail.#{de[1]}")
            case de[1]
            when "is_private"
              old_value = I18n.t("journal_detail.#{de[2]}")
              value = I18n.t("journal_detail.#{de[3]}")
            when "assigned_to_id"
              u = User.select(:id, :login, :lastname, :firstname)
              old_value = u.find(de[2]).try(:show_real_name)
              value = u.find(de[3]).try(:show_real_name)
            when "tracker_id"
              t = Tracker.select(:id, :name)
              old_value = t.find(de[2]).try(:name)
              value = t.find(de[3]).try(:name)
            when "status_id"
              t = IssueStatus.select(:id, :name)
              old_value = t.find(de[2]).try(:name)
              value = t.find(de[3]).try(:name)
            when "priority_id"
              t = IssuePriority.select(:id, :name)
              old_value = t.find(de[2]).try(:name)
              value = t.find(de[3]).try(:name)
            when "issue_tags_value"
              t = IssueTag.select(:id, :name)
              old_value = t.where(id: de[2].split(",")).select(:id,:name,:color).as_json
              value = t.where(id: de[3].split(",")).select(:id,:name,:color).as_json
            when "fixed_version_id"
              t = Version.select(:id, :title)
              old_value = t.find(de[2]).try(:title)
              value = t.find(de[3]).try(:title)
            else
              old_value = de[2]
              value = de[3]
            end
          end
          prop_hash = {
            detail: (content + prop_name),
            old_value: old_value,
            value: value
          }
          send_details.push(prop_hash)
        end
      end
    end
    send_details
  end


end