debian-mirror-gitlab/app/services/alert_management/alerts/update_service.rb
2021-09-30 23:02:18 +05:30

180 lines
4.8 KiB
Ruby

# frozen_string_literal: true
module AlertManagement
module Alerts
class UpdateService
include Gitlab::Utils::StrongMemoize
# @param alert [AlertManagement::Alert]
# @param current_user [User]
# @param params [Hash] Attributes of the alert
def initialize(alert, current_user, params)
@alert = alert
@current_user = current_user
@params = params
@param_errors = []
@status = params.delete(:status)
end
def execute
return error_no_permissions unless allowed?
filter_params
return error_invalid_params if param_errors.any?
# Save old assignees for system notes
old_assignees = alert.assignees.to_a
if alert.update(params)
handle_changes(old_assignees: old_assignees)
success
else
error(alert.errors.full_messages.to_sentence)
end
end
private
attr_reader :alert, :current_user, :params, :param_errors, :status
def allowed?
current_user&.can?(:update_alert_management_alert, alert)
end
def todo_service
strong_memoize(:todo_service) do
TodoService.new
end
end
def success
ServiceResponse.success(payload: { alert: alert })
end
def error(message)
ServiceResponse.error(payload: { alert: alert }, message: message)
end
def error_no_permissions
error(_('You have no permissions'))
end
def error_invalid_params
error(param_errors.to_sentence)
end
def add_param_error(message)
param_errors << message
end
def param_errors?
params.empty? && status.blank?
end
def filter_params
param_errors << _('Please provide attributes to update') if param_errors?
filter_status
filter_assignees
filter_duplicate
end
def handle_changes(old_assignees:)
handle_assignement(old_assignees) if params[:assignees]
handle_status_change if params[:status_event]
end
# ----- Assignee-related behavior ------
def filter_assignees
return if params[:assignees].nil?
# Always take first assignee while multiple are not currently supported
params[:assignees] = Array(params[:assignees].first)
param_errors << _('Assignee has no permissions') if unauthorized_assignees?
end
def unauthorized_assignees?
params[:assignees]&.any? { |user| !user.can?(:read_alert_management_alert, alert) }
end
def handle_assignement(old_assignees)
assign_todo(old_assignees)
add_assignee_system_note(old_assignees)
end
def assign_todo(old_assignees)
todo_service.reassigned_assignable(alert, current_user, old_assignees)
end
def add_assignee_system_note(old_assignees)
SystemNoteService.change_issuable_assignees(alert, alert.project, current_user, old_assignees)
end
# ------ Status-related behavior -------
def filter_status
return unless status
status_event = alert.status_event_for(status)
unless status_event
param_errors << _('Invalid status')
return
end
params[:status_event] = status_event
end
def handle_status_change
add_status_change_system_note
resolve_todos if alert.resolved?
end
def add_status_change_system_note
SystemNoteService.change_alert_status(alert, current_user)
end
def resolve_todos
todo_service.resolve_todos_for_target(alert, current_user)
end
def filter_duplicate
# Only need to check if changing to an open status
return unless params[:status_event] && AlertManagement::Alert.open_status?(status)
param_errors << unresolved_alert_error if duplicate_alert?
end
def duplicate_alert?
return if alert.fingerprint.blank?
open_alerts.any? && open_alerts.exclude?(alert)
end
def open_alerts
strong_memoize(:open_alerts) do
AlertManagement::Alert.for_fingerprint(alert.project, alert.fingerprint).open
end
end
def unresolved_alert_error
_('An %{link_start}alert%{link_end} with the same fingerprint is already open. ' \
'To change the status of this alert, resolve the linked alert.'
) % open_alert_url_params
end
def open_alert_url_params
open_alert = open_alerts.first
alert_path = Gitlab::Routing.url_helpers.details_project_alert_management_path(alert.project, open_alert)
{
link_start: '<a href="%{url}">'.html_safe % { url: alert_path },
link_end: '</a>'.html_safe
}
end
end
end
end
AlertManagement::Alerts::UpdateService.prepend_mod