Module: RailsPulse::BreadcrumbsHelper

Included in:
ApplicationHelper
Defined in:
app/helpers/rails_pulse/breadcrumbs_helper.rb

Instance Method Summary collapse

Instance Method Details



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# File 'app/helpers/rails_pulse/breadcrumbs_helper.rb', line 3

def breadcrumbs
  # Get the engine's mount point segments
  mount_segments = RailsPulse::Engine.routes.find_script_name({}).split("/").reject(&:empty?)

  # Split the full path and remove empty segments
  path_segments = request.path.split("/").reject(&:empty?)

  # Find where the mount point segments end in the request path
  mount_end_index = nil
  (0..path_segments.length - mount_segments.length).each do |i|
    if path_segments[i, mount_segments.length] == mount_segments
      mount_end_index = i + mount_segments.length - 1
      break
    end
  end

  # If we can't find the mount point or it's the last segment, return empty
  return [] if mount_end_index.nil? || mount_end_index == path_segments.length - 1

  # Only keep segments after the mount point
  path_segments = path_segments[(mount_end_index + 1)..-1]

  # Build the engine root path directly from mount segments (avoids relying on named route helper)
  engine_root = "/" + mount_segments.join("/")

  # Start with the Home link
  crumbs = [ {
    title: "Home",
    path: engine_root,
    current: path_segments.empty?
  } ]

  return crumbs if path_segments.empty?

  current_path = engine_root

  path_segments.each_with_index do |segment, index|
    current_path += "/#{segment}"

    # Convert segment to a more readable format
    title = if segment =~ /^\d+$/
      # If it's a numeric ID, try to find a title from the resource
      resource_name = path_segments[index - 1]&.singularize
      # Look up the class in the RailsPulse namespace
      resource_class = "RailsPulse::#{resource_name&.classify}".safe_constantize
      if resource_class
        resource = resource_class.find(segment)
        # Try to_breadcrumb first, fall back to to_s
        resource.try(:to_breadcrumb) || resource.to_s
      else
        segment
      end
    else
      segment.titleize
    end

    is_last = index == path_segments.length - 1

    # For nested resources, if this is a collection name followed by an ID,
    # link to the parent resource's show page instead of the nested index
    breadcrumb_path = if !is_last &&
                        segment !~ /^\d+$/ &&
                        index > 0 &&
                        path_segments[index - 1] =~ /^\d+$/ &&
                        path_segments[index + 1] =~ /^\d+$/
      # This is a nested collection (e.g., /jobs/5/runs/291)
      # Link to parent show page (e.g., /jobs/5)
      path_segments[0..index-1].inject(engine_root) { |path, seg| path + "/#{seg}" }
    else
      current_path
    end

    crumbs << {
      title: title,
      path: breadcrumb_path,
      current: is_last
    }
  end

  crumbs
end