Diffing

Code flow to get a diff in Webui

• Webui::RequestController#show asks
  • BsRequest.webui_actions for actions. Which asks
    • BsRequest.action_details for action details in a hash. Which asks
      • BsRequestAction.webui_infos for the diff. Which asks
        • BsRequestAction::Differ::ForSource for the diff. Which asks
          • Backend::Api::Sources::Package.source_diff(...view: :xml) for the diff.
        • and let's ParsePackageDiff parse the XML diff into a hash.

BsRequestAction::Differ::ForSource

app/models/bs_request_action/differ/for_source.rb

Handles superseded and accepted BsRequestActions

• superseded: diff between superseded action and the current one
• accepted: The source might be gone, generate the diff by comparing revisions recorded in BsRequestAction.bs_request_action_accept_info

Backend::Api::Sources::Package.source_diff

app/lib/backend/api/sources/package.rb

Get the diff from the backend in XML

ParsePackageDiff

app/mixins/parse_package_diff.rb

Makes a hash out of the XML diff and sort the files in the hash by importance