pr = issue.pull_request
json.pull_request_id pr.id
json.pull_request_number pr.gitea_number
json.pull_request_status pr.status
json.pull_request_head pr.head 
json.pull_request_base pr.base
json.pull_request_staus pr.status == 1 ? "merged" : (pr.status == 2 ? "closed" : "open")
json.is_original pr.is_original
json.fork_project_id pr&.fork_project_id
json.fork_project_identifier pr&.fork_project&.identifier
json.fork_project_user pr&.fork_project&.owner.try(:login)
json.reviewers pr&.reviewers.pluck(:login)

json.id issue.id
json.name issue.subject
json.pr_time time_from_now(pr.status == 1 ? pr.updated_at : issue.updated_on)
json.assign_user_name issue.get_assign_user.try(:show_real_name)
json.assign_user_login issue.get_assign_user.try(:login)
json.author_name issue.user.try(:show_real_name)
json.author_login issue.user.try(:login)
json.avatar_url url_to_avatar(issue.user)
json.priority issue.priority.try(:name)
json.version issue.version.try(:name)
json.journals_count issue.get_journals_size
json.issue_tags issue.get_issue_tags