Class: Stagehand::Auditor::ChecklistVisualizer

Inherits:
Object
  • Object
show all
Defined in:
lib/stagehand/auditor/checklist_visualizer.rb

Instance Method Summary collapse

Constructor Details

#initialize(checklist, show_all_commits: false) ⇒ ChecklistVisualizer

Returns a new instance of ChecklistVisualizer.



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# File 'lib/stagehand/auditor/checklist_visualizer.rb', line 6

def initialize(checklist, show_all_commits: false)
  entries = checklist.affected_entries.select(&:commit_id)

  @graph = GraphViz.new( :G, :type => :graph )
  @commits = Hash.new {|hash, commit_id| hash[commit_id] = Stagehand::Staging::CommitEntry.find(commit_id) }
  nodes = Hash.new
  edges = []

  # Detect edges
  entries.group_by(&:key).each_value do |entries|
    entries.combination(2).each do |entry_a, entry_b|
      current_edge = [entry_a, entry_b]
      next if edges.detect {|edge| edge.sort == current_edge.sort }
      next if same_node?(entry_a, entry_b)
      next if same_subject?(entry_a, entry_b)
      edges << current_edge
    end
  end

  # Create Subgraph nodes for commits with connections to other subjects
  entries = edges.flatten.uniq unless show_all_commits
  entries.group_by {|entry| commit_subject(entry) || entry.commit_id }.each do |group, entries|
    subject = commit_subject(entries.first)
    subgraph = create_subgraph(subject, @graph, id: group)
    entries.each do |entry|
      nodes[entry] = create_node(entry, subgraph)
    end
  end

  # Create deduplicate edge data in case multiple entries for the same record were part of a single commit
  edges = edges.map do |entry_a, entry_b|
    [[nodes[entry_a], nodes[entry_b]], label: edge_label(entry_a, entry_b)]
  end

  # Create edges
  edges.uniq.each do |(node_a, node_b), options|
    create_edge(node_a, node_b, options)
  end
end

Instance Method Details

#output(file_name, format: ) ⇒ Object 



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# File 'lib/stagehand/auditor/checklist_visualizer.rb', line 46

def output(file_name, format: File.extname(file_name)[1..-1])
  @graph.output(format => file_name)
  File.open(file_name)
end