Class: AIA::HistoryManager

Inherits:
Object
  • Object
show all
Defined in:
lib/aia/history_manager.rb

Constant Summary collapse

MAX_VARIABLE_HISTORY = 
5

Instance Method Summary collapse

Constructor Details

#initialize(prompt:) ⇒ HistoryManager

prompt is PromptManager::Prompt instance



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# File 'lib/aia/history_manager.rb', line 11

def initialize(prompt:)
  @prompt  = prompt
  @history = []
end

Instance Method Details

#get_variable_history(variable, value = '') ⇒ Object 



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# File 'lib/aia/history_manager.rb', line 35

def get_variable_history(variable, value = '')
  return if value.nil? || value.empty?

  values = @prompt.parameters[variable]
  if values.include?(value)
    values.delete(value)
  end

  values << value

  if values.size > MAX_VARIABLE_HISTORY
    values.shift
  end

  @prompt.parameters[variable] = values
end

#history ⇒ Object 



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# File 'lib/aia/history_manager.rb', line 17

def history
  @history
end

#history=(new_history) ⇒ Object 



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# File 'lib/aia/history_manager.rb', line 22

def history=(new_history)
  @history = new_history
end

#request_variable_value(variable_name:, history_values: []) ⇒ Object 



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# File 'lib/aia/history_manager.rb', line 53

def request_variable_value(variable_name:, history_values: [])
  setup_variable_history(history_values) # Setup Reline's history for completion

  default_value = history_values.last || ''
  question = "Value for #{variable_name} (#{default_value}): "

  # Ensure Reline is writing to stdout explicitly for this interaction
  Reline.output = $stdout

  # Store the original prompt proc to restore later
  original_prompt_proc = Reline.line_editor.prompt_proc

  # Note: Temporarily setting prompt_proc might not be needed if passing prompt to readline works.
  # Reline.line_editor.prompt_proc = ->(context) { [question] }

  begin
    input = Reline.readline(question, true)
    return default_value if input.nil? # Handle Ctrl+D -> use default

    chosen_value = input.strip.empty? ? default_value : input.strip
    # Update the persistent history for this variable
    get_variable_history(variable_name, chosen_value)
    return chosen_value
  rescue Interrupt
    puts "\nVariable input interrupted."
    exit(1) # Exit cleanly on Ctrl+C
  ensure
    # Restore the original prompt proc
    Reline.line_editor.prompt_proc = original_prompt_proc
  end
end

#setup_variable_history(history_values) ⇒ Object 



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# File 'lib/aia/history_manager.rb', line 27

def setup_variable_history(history_values)
  Reline::HISTORY.clear
  history_values.each do |value|
    Reline::HISTORY.push(value) unless value.nil? || value.empty?
  end
end