module API class IssueLinks < Grape::API include PaginationParams before { authenticate! } params do requires :id, type: String, desc: 'The ID of a project' requires :issue_iid, type: Integer, desc: 'The internal ID of a project issue' end resource :projects, requirements: { id: %r{[^/]+} } do desc 'Get related issues' do success Entities::RelatedIssue end get ':id/issues/:issue_iid/links' do source_issue = find_project_issue(params[:issue_iid]) related_issues = source_issue.related_issues(current_user) present related_issues, with: Entities::RelatedIssue, current_user: current_user, project: user_project end desc 'Relate issues' do success Entities::IssueLink end params do requires :target_project_id, type: String, desc: 'The ID of the target project' requires :target_issue_iid, type: Integer, desc: 'The IID of the target issue' end post ':id/issues/:issue_iid/links' do source_issue = find_project_issue(params[:issue_iid]) target_issue = find_project_issue(declared_params[:target_issue_iid], declared_params[:target_project_id]) create_params = { target_issue: target_issue } result = ::IssueLinks::CreateService .new(source_issue, current_user, create_params) .execute if result[:status] == :success issue_link = IssueLink.find_by!(source: source_issue, target: target_issue) present issue_link, with: Entities::IssueLink else render_api_error!(result[:message], result[:http_status]) end end desc 'Remove issues relation' do success Entities::IssueLink end params do requires :issue_link_id, type: Integer, desc: 'The ID of an issue link' end delete ':id/issues/:issue_iid/links/:issue_link_id' do issue_link = IssueLink.find_by(id: declared_params[:issue_link_id]) not_found! unless issue_link result = ::IssueLinks::DestroyService .new(issue_link, current_user) .execute if result[:status] == :success present issue_link, with: Entities::IssueLink else render_api_error!(result[:message], result[:http_status]) end end end end end