Class: WorkItems::TaskListReferenceRemovalService

Inherits:
Object
  • Object
show all
Defined in:
app/services/work_items/task_list_reference_removal_service.rb

Constant Summary collapse

STALE_OBJECT_MESSAGE = 
'Stale work item. Check lock version'

Instance Method Summary collapse

Constructor Details

#initialize(work_item:, task:, line_number_start:, line_number_end:, lock_version:, current_user:) ⇒ TaskListReferenceRemovalService

Returns a new instance of TaskListReferenceRemovalService.



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# File 'app/services/work_items/task_list_reference_removal_service.rb', line 7

def initialize(work_item:, task:, line_number_start:, line_number_end:, lock_version:, current_user:)
  @work_item = work_item
  @task = task
  @line_number_start = line_number_start
  @line_number_end = line_number_end
  @lock_version = lock_version
  @current_user = current_user
  @task_reference = /#{Regexp.escape(@task.to_reference)}(?!\d)\+/
end

Instance Method Details

#execute ⇒ Object 



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# File 'app/services/work_items/task_list_reference_removal_service.rb', line 17

def execute
  return ::ServiceResponse.error(message: 'line_number_start must be greater than 0') if @line_number_start < 1
  return ::ServiceResponse.error(message: "Work item description can't be blank") if @work_item.description.blank?

  if @line_number_end < @line_number_start
    return ::ServiceResponse.error(message: 'line_number_end must be greater or equal to line_number_start')
  end

  source_lines = @work_item.description.split("\n")

  line_matches_reference = (@line_number_start..@line_number_end).any? do |line_number|
    markdown_line = source_lines[line_number - 1]

    if @task_reference.match?(markdown_line)
      markdown_line.sub!(@task_reference, @task.title)
    end
  end

  unless line_matches_reference
    return ::ServiceResponse.error(
      message: "Unable to detect a task on lines #{@line_number_start}-#{@line_number_end}"
    )
  end

  ::WorkItems::UpdateService.new(
    container: @work_item.project,
    current_user: @current_user,
    params: { description: source_lines.join("\n"), lock_version: @lock_version }
  ).execute(@work_item)

  if @work_item.valid?
    ::ServiceResponse.success
  else
    ::ServiceResponse.error(message: @work_item.errors.full_messages)
  end
rescue ActiveRecord::StaleObjectError
  ::ServiceResponse.error(message: STALE_OBJECT_MESSAGE)
end