Module: Card::Action::Differ

Included in:
Card::Action
Defined in:
mod/history/lib/card/action/differ.rb

Overview

a collection of methods for comparing actions

Instance Method Summary collapse

Instance Method Details

#cardtype_diff(opts = {}) ⇒ rendered diff

compare action’s cardtype value with previous cardtype value

Returns:

  • (rendered diff) 


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# File 'mod/history/lib/card/action/differ.rb', line 21

def cardtype_diff opts={}
  return unless card && new_type?

  diff_object(:cardtype, opts).complete
end

#content_diff(diff_type = :expanded, opts = nil) ⇒ rendered diff

compare action’s content value with previous content value

Returns:

  • (rendered diff) 


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# File 'mod/history/lib/card/action/differ.rb', line 35

def content_diff diff_type=:expanded, opts=nil
  return unless new_content?

  dobj = content_diff_object(opts)
  diff_type == :summary ? dobj.summary : dobj.complete
end

#new_content? ⇒ true/false

does action change card’s content?

Returns:

  • (true/false) 


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# File 'mod/history/lib/card/action/differ.rb', line 44

def new_content?
  !value(:db_content).nil?
end

#new_name? ⇒ true/false

does action change card’s name?

Returns:

  • (true/false) 


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# File 'mod/history/lib/card/action/differ.rb', line 15

def new_name?
  !value(:name).nil?
end

#new_type? ⇒ true/false

does action change card’s type?

Returns:

  • (true/false) 


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# File 'mod/history/lib/card/action/differ.rb', line 29

def new_type?
  !value(:type_id).nil?
end

#raw_view(content = nil) ⇒ Object

test whether content was visibly removed

# @return [true/false] def red? content_diff_object.red? end

test whether content was visibly added

# @return [true/false] def green? content_diff_object.green? end



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# File 'mod/history/lib/card/action/differ.rb', line 60

def raw_view content=nil
  original_content = card.db_content
  card.db_content = content || value(:db_content)
  card.format.render_raw
ensure
  card.db_content = original_content
end

#summary_diff_omits_content? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'mod/history/lib/card/action/differ.rb', line 68

def summary_diff_omits_content?
  content_diff_object.summary_omits_content?
end