Module: ExcADG::Tui

Defined in:
lib/excadg/tui.rb,
lib/excadg/tui/block.rb,
lib/excadg/tui/assets.rb,
lib/excadg/tui/format.rb

Overview

static assets to select from

Defined Under Namespace

Modules: Assets, Format Classes: Block

Constant Summary collapse

MAX_VERTEX_TO_SHOW = 
10
DELAY = 
0.2
DEFAULT_BOX_SIZE = 
{ height: 50, width: 150 }.freeze

Class Method Summary collapse

Class Method Details

.clear ⇒ Object 



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# File 'lib/excadg/tui.rb', line 65

def clear
  print "\e[2J\e[f"
end

.get_summary(has_failed, timed_out) ⇒ Object

private



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# File 'lib/excadg/tui.rb', line 43

def get_summary has_failed, timed_out
  [timed_out ? 'execution timed out' : 'execution completed',
   "#{has_failed ? 'some' : 'no'} vertices failed"]
end

.refresh_sizes ⇒ Object 



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# File 'lib/excadg/tui.rb', line 69

def refresh_sizes
  box_size = {
    height: IO.console&.winsize&.first.nil? || DEFAULT_BOX_SIZE[:height] < IO.console.winsize.first ? DEFAULT_BOX_SIZE[:height] : IO.console.winsize.first,
    width: IO.console&.winsize&.last.nil? || DEFAULT_BOX_SIZE[:width] < IO.console&.winsize&.last ? DEFAULT_BOX_SIZE[:width] : IO.console.winsize.last
  }.freeze
  @content_size = {
    height: box_size[:height] - 4, # 2 for borders, 1 for \n, 1 for remark
    width: box_size[:width] - 5 # 2 for borders, 2 to indent
  }.freeze
  @line_template = "│ %-#{@content_size[:width]}s │\n"
end

.run ⇒ Object

spawns a thread to show stats to console in background



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# File 'lib/excadg/tui.rb', line 22

def run
  Log.info 'spawning tui'
  @thread = Thread.new {
    loop {
      # print_in_box stats
      clear
      refresh_sizes
      print stats
      sleep DELAY
    }
  }
end

.state_stats ⇒ Object

make states summary, one for a line with consistent placing



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# File 'lib/excadg/tui.rb', line 82

def state_stats
  skeleton = StateMachine::GRAPH.vertices.collect { |v| [v, []] }.to_h
  # rubocop:disable Style/HashTransformValues
  filled = skeleton.merge Broker.data_store.to_a
                                .group_by(&:state)
                                .collect { |state, vertices| [state, vertices_stats(vertices)] }
                                .to_h
  # rubocop:enable Style/HashTransformValues
  filled.collect { |k, v| format '  %-10s: %s', k, "#{v.empty? ? '<none>' : v}" }
end

.stats(summary: nil) ⇒ Object

make summary paragraph on veritces



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# File 'lib/excadg/tui.rb', line 49

def stats summary: nil
  Block.column(
    Block.column(summary || 'running').h_pad!(1).box!.v_align!(:center, width: @content_size[:width]),
    Block.column(
      *[
        "time spent (ms): #{DateTime.now.strftime('%Q').to_i - @started_at}",
        "vertices seen: #{Broker.data_store.size}",
        'progress:'
      ] + state_stats,
      align: :left
    ).h_pad!(2),
    align: :left
  ).fit!(width: @content_size[:width], height: @content_size[:height], fill: true)
       .box!(corners: :sharp)
end

.summarize(has_failed, timed_out) ⇒ Object 



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# File 'lib/excadg/tui.rb', line 35

def summarize has_failed, timed_out
  @thread.kill
  clear
  print stats summary: get_summary(has_failed, timed_out)
end

.vertices_stats(vertice_pairs) ⇒ Object 



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# File 'lib/excadg/tui.rb', line 93

def vertices_stats vertice_pairs
  vertice_pairs.collect(&:name).join(', ')
end