Class: Kward::SessionTreeRenderer

Inherits:
Object
  • Object
show all
Defined in:
lib/kward/session_tree_renderer.rb

Overview

Terminal renderer for persisted session tree choices.

Instance Method Summary collapse

Constructor Details

#initialize(roots:, current_leaf_id:) ⇒ SessionTreeRenderer

Returns a new instance of SessionTreeRenderer.



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# File 'lib/kward/session_tree_renderer.rb', line 10

def initialize(roots:, current_leaf_id:)
  @roots = roots
  @current_leaf_id = current_leaf_id
end

Instance Method Details

#items ⇒ Object 



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# File 'lib/kward/session_tree_renderer.rb', line 15

def items
  active_path = session_tree_active_path(@roots, @current_leaf_id)
  tool_calls_by_id = session_tree_tool_calls(@roots)
  visible_roots = @roots.flat_map { |root| visible_session_tree_nodes(root) }
  multiple_roots = visible_roots.length > 1
  result = []

  walk = lambda do |node, indent, just_branched, show_connector, is_last, gutters, virtual_root_child|
    entry = node[:source]["entry"] || {}
    display_indent = multiple_roots ? [indent - 1, 0].max : indent
    prefix = session_tree_visual_prefix(display_indent, gutters, show_connector && !virtual_root_child, is_last, !node[:children].empty?)
    result << {
      entry: entry,
      label: session_tree_label(entry, node[:source], prefix, active_path.include?(entry["id"].to_s), tool_calls_by_id)
    }

    children = node[:children].sort_by { |child| session_tree_contains_active_path?(child, active_path) ? 0 : 1 }
    multiple_children = children.length > 1
    child_indent = if multiple_children
                     indent + 1
                   elsif just_branched && indent.positive?
                     indent + 1
                   else
                     indent
                   end
    connector_position = [display_indent - 1, 0].max
    child_gutters = show_connector && !virtual_root_child ? gutters + [{ position: connector_position, show: !is_last }] : gutters

    children.each_with_index do |child, index|
      walk.call(child, child_indent, multiple_children, multiple_children, index == children.length - 1, child_gutters, false)
    end
  end

  visible_roots.sort_by { |root| session_tree_contains_active_path?(root, active_path) ? 0 : 1 }.each_with_index do |root, index|
    walk.call(root, multiple_roots ? 1 : 0, multiple_roots, multiple_roots, index == visible_roots.length - 1, [], multiple_roots)
  end

  result
end