Class: Hist::ApplicationController

Inherits:
ActionController::Base
  • Object
show all
Defined in:
app/controllers/hist/application_controller.rb

Direct Known Subclasses

PendingsController, VersionsController

Instance Method Summary collapse

Instance Method Details

#diff_base(model) ⇒ Object 



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# File 'app/controllers/hist/application_controller.rb', line 5

def diff_base(model)
  @aceMode = params[:mode].to_sym if params.has_key? :mode
  @aceMode ||= :yaml

  @height = params[:height] if params.has_key? :height
  @height ||= 'screen'

  field_path = params[:field_path] if params.has_key? :field_path
  field_path ||= ''

  exclude = params[:exclude] if params.has_key? :exclude
  exclude ||= []

  include = params[:include] if params.has_key? :include
  include ||= []

  # Remove some less needed differential fields
  if include.blank? && !Hist.config.default_diff_exclude.nil?
    if Hist.config.default_diff_exclude.class == Array
      exclude += Hist.config.default_diff_exclude
    else
      exclude << Hist.config.default_diff_exclude
    end

    exclude.uniq!
  end

  only_diffs = false
  only_diffs = params[:only_diffs] if params.has_key? :only_diffs

  type = params[:type].to_sym if params.has_key? :type
  type ||= :json

  if params[:left_id] == 'current'
    obj_right = model.find(params[:right_id]).reify
    obj_left = obj_right.class.find(obj_right.id)
  else
    if params[:right_id] == 'current'
      obj_left = model.find(params[:left_id]).reify
      obj_right = obj_left.class.find(obj_left.id)
    else
      obj_right = model.find(params[:right_id]).reify
      obj_left = model.find(params[:left_id]).reify
    end
  end

  @diff = {left: obj_left.hist_json(exclude: exclude, include: include), right: obj_right.hist_json(exclude: exclude, include: include)}

  if only_diffs
    diff_vals = ApplicationRecord.only_hash_diffs(h1: @diff[:left], h2: @diff[:right])
    @diff[:left] = diff_vals[:h1]
    @diff[:right] = diff_vals[:h2]
  end

  if field_path.present?
    @diff[:left] = eval('@diff[:left]' + field_path)
    @diff[:right] = eval('@diff[:right]' + field_path)
  end

  @diff_escaped = {}
  @diff_escaped[:left] = ActiveSupport::JSON.encode(@diff[:left])
  @diff_escaped[:right] = ActiveSupport::JSON.encode(@diff[:right])

  return [obj_left, obj_right]
end