Class: Aidp::Planning::Generators::GanttGenerator

Inherits:
Object
  • Object
show all
Defined in:
lib/aidp/planning/generators/gantt_generator.rb

Overview

Generates Mermaid Gantt charts with critical path analysis Visualizes project timeline, dependencies, and milestones

Instance Method Summary collapse

Constructor Details

#initialize(config: nil) ⇒ GanttGenerator

Returns a new instance of GanttGenerator.



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# File 'lib/aidp/planning/generators/gantt_generator.rb', line 11

def initialize(config: nil)
  @config = config || Aidp::Config.waterfall_config
end

Instance Method Details

#format_mermaid(tasks, critical_path) ⇒ String

Format as Mermaid gantt syntax

Parameters:

  • gantt_data (Hash) —

    Gantt chart data

Returns:

  • (String) —

    Mermaid formatted chart



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# File 'lib/aidp/planning/generators/gantt_generator.rb', line 43

def format_mermaid(tasks, critical_path)
  Aidp.log_debug("gantt_generator", "format_mermaid")

  output = ["gantt"]
  output << "    title Project Timeline"
  output << "    dateFormat YYYY-MM-DD"
  output << "    section Planning"

  current_section = nil

  tasks.each do |task|
    if task[:phase] != current_section
      current_section = task[:phase]
      output << "    section #{current_section}"
    end

    status = critical_path.include?(task[:id]) ? "crit" : ""
    duration = task[:duration] || 1

    # Mermaid gantt task format: TaskName :status, id, start, duration
    if task[:dependencies].empty?
      output << "    #{task[:name]} :#{status}, #{task[:id]}, #{duration}d"
    else
      after_task = task[:dependencies].first.tr(" ", "_")
      output << "    #{task[:name]} :#{status}, #{task[:id]}, after #{after_task}, #{duration}d"
    end
  end

  output.join("\n")
end

#generate(wbs:, task_list: nil) ⇒ Hash

Generate Gantt chart from WBS and task list

Parameters:

  • wbs (Hash) —

    Work breakdown structure

  • task_list (Array<Hash>) (defaults to: nil) —

    Optional detailed task list

Returns:

  • (Hash) —

    Gantt chart data and Mermaid syntax



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# File 'lib/aidp/planning/generators/gantt_generator.rb', line 19

def generate(wbs:, task_list: nil)
  Aidp.log_debug("gantt_generator", "generate", phase_count: wbs[:phases].size)

  tasks = extract_tasks_from_wbs(wbs)
  calculate_durations(tasks)
  critical_path = calculate_critical_path(tasks)

  Aidp.log_debug("gantt_generator", "calculated", task_count: tasks.size, critical_path_length: critical_path.size)

  {
    tasks: tasks,
    critical_path: critical_path,
    mermaid: format_mermaid(tasks, critical_path),
    metadata: {
      generated_at: Time.now.iso8601,
      total_tasks: tasks.size,
      critical_path_length: critical_path.size
    }
  }
end