Class: LevelUp::GraphBuilder

Inherits:
Object
  • Object
show all
Defined in:
app/models/level_up/graph_builder.rb

Class Attribute Summary collapse

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(target, options = {}) ⇒ GraphBuilder

Returns a new instance of GraphBuilder.



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# File 'app/models/level_up/graph_builder.rb', line 38

def initialize(target, options = {})
  @target = target
  @configuration = self.class.default_configuration.deep_merge(options)
end

Class Attribute Details

.default_configuration ⇒ Object (readonly)

Returns the value of attribute default_configuration.



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# File 'app/models/level_up/graph_builder.rb', line 35

def default_configuration
  @default_configuration
end

Instance Attribute Details

#configuration ⇒ Object (readonly)

Returns the value of attribute configuration.



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# File 'app/models/level_up/graph_builder.rb', line 4

def configuration
  @configuration
end

#target ⇒ Object

Returns the value of attribute target.



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# File 'app/models/level_up/graph_builder.rb', line 3

def target
  @target
end

Instance Method Details

#graph ⇒ Object 



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# File 'app/models/level_up/graph_builder.rb', line 43

def graph
  graph = GraphViz.new(:G, type: :digraph)

  graph[:bgcolor] = @configuration[:bgcolor]

  @configuration[:node].each do |k, v|
    graph.node[k] = v unless v.is_a? Hash
  end

  @configuration[:edge].each do |k, v|
    graph.edge[k] = v unless v.is_a? Hash
  end

  tasks = {}
  @target.tasks.each do |task|
    tasks[task] = graph.add_nodes(task.to_s.humanize.downcase)
    if @configuration[:node].has_key? task
      @configuration[:node][task].each do |k, v|
        tasks[task][k] = v
      end
    end
  end

  @target.tasks.each do |task|
    @target.transitions(task).each do |transition|
      edge = graph.add_edges(tasks[task], tasks[transition])
      if @configuration[:edge].has_key? task
        @configuration[:edge][task].each do |k, v|
          edge[k] = v
        end
      end
    end
  end

  graph
end