Module: Trailblazer::Developer::Activity::Graph

Defined in:
lib/trailblazer/developer/activity.rb

Defined Under Namespace

Classes: Flow, Model, Task

Class Method Summary collapse

Class Method Details

.to_model(graph, id: "some-process") ⇒ Object

Returns Model Generic representation of the graph, ready for rendering.

Parameters:

  • Graph —

    an object implementing the Activity::Graph interface

Returns:

  • Model Generic representation of the graph, ready for rendering.



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# File 'lib/trailblazer/developer/activity.rb', line 18

def self.to_model(graph, id: "some-process") # rubocop:disable Metrics/AbcSize
  start_events = graph.find_all("Start.default") # FIXME. this is a static assumption.
  end_events   = graph.find_all { |node| graph.successors(node).size.zero? }
  tasks        = graph.find_all { |_node| true }
  tasks       -= start_events
  tasks       -= end_events

  # transform nodes into BPMN elements.
  start_events = start_events.collect do |evt|
    Task.new(evt[:id], evt[:id], evt, Incomings(graph, evt), Outgoings(graph, evt))
  end
  end_events = end_events.collect do |evt|
    Task.new(evt[:id], evt[:id], evt, Incomings(graph, evt), Outgoings(graph, evt))
  end
  tasks        = tasks.collect { |evt| Task.new(evt[:id], evt[:id], evt, Incomings(graph, evt), Outgoings(graph, evt)) }
  edges        = (start_events + end_events + tasks).collect { |task| [task.incoming, task.outgoing] }.flatten(2).uniq

  Model.new(id, start_events, end_events, tasks, edges)
end