Class: DailyWipChart

Inherits:
ChartBase show all
Defined in:
lib/jirametrics/daily_wip_chart.rb

Instance Attribute Summary collapse

Attributes inherited from ChartBase

#aggregated_project, #all_boards, #board_id, #canvas_height, #canvas_width, #data_quality, #date_range, #file_system, #holiday_dates, #issues, #settings, #time_range, #timezone_offset

Instance Method Summary collapse

Methods inherited from ChartBase

#aggregated_project?, #canvas, #canvas_responsive?, #chart_format, #collapsible_issues_panel, #color_block, #color_for, #completed_issues_in_range, #current_board, #daily_chart_dataset, #describe_non_working_days, #description_text, #format_integer, #format_status, #header_text, #holidays, #icon_span, #label_days, #label_issues, #link_to_issue, #next_id, #random_color, #render, #render_top_text, #status_category_color, #wrap_and_render

Constructor Details

#initialize(block) ⇒ DailyWipChart

Returns a new instance of DailyWipChart.



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# File 'lib/jirametrics/daily_wip_chart.rb', line 17

def initialize block
  super()

  header_text default_header_text
  description_text default_description_text

  instance_eval(&block) if block

  unless @group_by_block
    grouping_rules do |issue, rules|
      default_grouping_rules issue: issue, rules: rules
    end
  end
end

Instance Attribute Details

#possible_statuses ⇒ Object

Returns the value of attribute possible_statuses.



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# File 'lib/jirametrics/daily_wip_chart.rb', line 15

def possible_statuses
  @possible_statuses
end

Instance Method Details

#add_trend_line(group_labels:, line_color:) ⇒ Object 



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# File 'lib/jirametrics/daily_wip_chart.rb', line 129

def add_trend_line group_labels:, line_color:
  (@trend_lines ||= []) << [group_labels, line_color]
end

#configure_rule(issue:, date:) ⇒ Object 



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# File 'lib/jirametrics/daily_wip_chart.rb', line 116

def configure_rule issue:, date:
  raise "#{self.class}: grouping_rules must be set" if @group_by_block.nil?

  rules = DailyGroupingRules.new
  rules.current_date = date
  @group_by_block.call issue, rules
  rules
end

#default_description_text ⇒ Object 



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# File 'lib/jirametrics/daily_wip_chart.rb', line 49

def default_description_text = ''

#default_grouping_rules(issue:, rules:) ⇒ Object

rubocop:disable Lint/UnusedMethodArgument



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# File 'lib/jirametrics/daily_wip_chart.rb', line 51

def default_grouping_rules issue:, rules: # rubocop:disable Lint/UnusedMethodArgument
  raise 'If you use this class directly then you must provide grouping_rules'
end

#default_header_text ⇒ Object 



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# File 'lib/jirametrics/daily_wip_chart.rb', line 48

def default_header_text = 'Daily WIP'

#group_issues_by_active_dates ⇒ Object 



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# File 'lib/jirametrics/daily_wip_chart.rb', line 65

def group_issues_by_active_dates
  hash = {}

  @issues.each do |issue|
    cycletime = issue.board.cycletime
    start = cycletime.started_time(issue)&.to_date
    stop = cycletime.stopped_time(issue)&.to_date
    next if start.nil? && stop.nil?

    # If it stopped but never started then assume it started at creation so the data points
    # will be available for the config.
    start = issue.created.to_date if stop && start.nil?
    start = @date_range.begin if start < @date_range.begin

    start.upto(stop || @date_range.end) do |date|
      rule = configure_rule issue: issue, date: date
      (hash[date] ||= []) << [issue, rule] unless rule.ignored?
    end
  end
  hash
end

#grouping_rules(&block) ⇒ Object 



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# File 'lib/jirametrics/daily_wip_chart.rb', line 125

def grouping_rules &block
  @group_by_block = block
end

#make_data_set(grouping_rule:, issue_rules_by_active_date:) ⇒ Object 



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# File 'lib/jirametrics/daily_wip_chart.rb', line 87

def make_data_set grouping_rule:, issue_rules_by_active_date:
  positive = grouping_rule.group_priority >= 0

  data = issue_rules_by_active_date.collect do |date, issue_rules|
    # issues = []
    issue_strings = issue_rules
      .select { |_issue, rules| rules.group == grouping_rule.group }
      .sort_by { |issue, _rules| issue.key_as_i }
      .collect { |issue, rules| "#{issue.key} : #{issue.summary.strip} #{rules.issue_hint}" }
    title = ["#{grouping_rule.label} (#{label_issues issue_strings.size})"] + issue_strings

    {
      x: date,
      y: positive ? issue_strings.size : -issue_strings.size,
      title: title
    }
  end

  {
    type: 'bar',
    label: grouping_rule.label,
    data: data,
    backgroundColor: grouping_rule.color || random_color,
    borderColor: CssVariable['--wip-chart-border-color'],
    borderWidth: grouping_rule.color.to_s == 'var(--body-background)' ? 1 : 0,
    borderRadius: positive ? 0 : 5
  }
end

#run ⇒ Object 



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# File 'lib/jirametrics/daily_wip_chart.rb', line 32

def run
  issue_rules_by_active_date = group_issues_by_active_dates
  possible_rules = select_possible_rules issue_rules_by_active_date

  data_sets = possible_rules.collect do |grouping_rule|
    make_data_set grouping_rule: grouping_rule, issue_rules_by_active_date: issue_rules_by_active_date
  end
  if @trend_lines
    data_sets = @trend_lines.filter_map do |group_labels, line_color|
      trend_line_data_set(data: data_sets, group_labels: group_labels, color: line_color)
    end + data_sets
  end

  wrap_and_render(binding, __FILE__)
end

#select_possible_rules(issue_rules_by_active_date) ⇒ Object 



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# File 'lib/jirametrics/daily_wip_chart.rb', line 55

def select_possible_rules issue_rules_by_active_date
  possible_rules = []
  issue_rules_by_active_date.each_pair do |_date, issues_rules_list|
    issues_rules_list.each do |_issue, rules| # rubocop:disable Style/HashEachMethods
      possible_rules << rules unless possible_rules.any? { |r| r.group == rules.group }
    end
  end
  possible_rules.sort_by!(&:group_priority)
end

#trend_line_data_set(data:, group_labels:, color:) ⇒ Object 



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# File 'lib/jirametrics/daily_wip_chart.rb', line 133

def trend_line_data_set data:, group_labels:, color:
  day_wip_hash = {}
  data.each do |top_level|
    next unless group_labels.include? top_level[:label]

    top_level[:data].each do |datapoint|
      date = datapoint[:x]
      day_wip_hash[date] = (day_wip_hash[date] || 0) + datapoint[:y]
    end
  end

  points = day_wip_hash
    .collect { |date, wip| [date.jd, wip] }
    .sort_by(&:first)

  calculator = TrendLineCalculator.new(points)
  return nil unless calculator.valid?

  data_points = calculator.chart_datapoints(
    range: date_range.begin.jd..date_range.end.jd,
    max_y: points.collect { |_date, wip| wip }.max
  )
  data_points.each do |point_hash|
    point_hash[:x] = chart_format Date.jd(point_hash[:x])
  end

  {
    type: 'line',
    label: "Trendline",
    data: data_points,
    fill: false,
    borderWidth: 1,
    markerType: 'none',
    borderColor: CssVariable[color],
    borderDash: [6, 3],
    pointStyle: 'dash',
    hidden: false
  }
end