Class: SelfSysteem::InstanceVariablesBuilder

Inherits:
Object
  • Object
show all
Includes:
ActionView::Helpers::NumberHelper
Defined in:
lib/self_systeem/instance_variables_builder.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(controller) ⇒ InstanceVariablesBuilder

Returns a new instance of InstanceVariablesBuilder.



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# File 'lib/self_systeem/instance_variables_builder.rb', line 7

def initialize(controller)
  @controller = controller
end

Instance Attribute Details

#controller ⇒ Object (readonly)

Returns the value of attribute controller.



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# File 'lib/self_systeem/instance_variables_builder.rb', line 5

def controller
  @controller
end

#instance_variable_objects ⇒ Object (readonly)

Returns the value of attribute instance_variable_objects.



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# File 'lib/self_systeem/instance_variables_builder.rb', line 5

def instance_variable_objects
  @instance_variable_objects
end

#relevant_instance_varaibles ⇒ Object (readonly)

Returns the value of attribute relevant_instance_varaibles.



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# File 'lib/self_systeem/instance_variables_builder.rb', line 5

def relevant_instance_varaibles
  @relevant_instance_varaibles
end

Class Method Details

.call(controller) ⇒ Object 



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# File 'lib/self_systeem/instance_variables_builder.rb', line 57

def self.call(controller)
  new(controller).call
end

Instance Method Details

#build_variables ⇒ Object 



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# File 'lib/self_systeem/instance_variables_builder.rb', line 16

def build_variables
  @relevant_instance_varaibles = controller
    .instance_variable_names.reject {|v| v[/@_/] || v == "@marked_for_same_origin_verification"}
  @instance_variable_objects = {}
  relevant_instance_varaibles.each do |v|
    iv_val = controller.instance_variable_get(v)
    if iv_val.class.name.match(/ActiveRecord::AssociationRelation|ActiveRecord::Associations::CollectionProxy/)
      instance_variable_objects.merge!(v.to_s => { })
      iv_val.each do |o|
        instance_variable_objects[v.to_s].merge!(o.attributes.select {|k, v| k.to_s.match(/^id|_id/)})
      end
    elsif iv_val.respond_to?(:attributes)
      instance_variable_objects.merge!({ v.to_s => iv_val.attributes.select {|k, v| k.to_s.match(/^id|_id/)} })
    elsif iv_val.present? && iv_val.class.ancestors.select {|c| c.to_s.match(/ActiveModel|ActiveRecord/)}.present? && iv_val.is_a?(Symbol) != true
      instance_variable_objects.merge!({ v.to_s => slice_hash(JSON.parse(iv_val.to_json), /^id|_id/) })
    elsif iv_val.respond_to?(:instance_values)
      instance_variable_objects.merge!({ v.to_s => iv_val.instance_values.select {|k, v| k.to_s.match(/^id|_id/)} })
    else
      instance_variable_objects.merge!({ v.to_s => iv_val.to_s })
    end
  end
end

#call ⇒ Object 



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# File 'lib/self_systeem/instance_variables_builder.rb', line 11

def call
  build_variables
  self
end

#slice_hash(hash, regex) ⇒ Object 



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# File 'lib/self_systeem/instance_variables_builder.rb', line 51

def slice_hash(hash, regex)
  transform_hash(hash, :deep => true) {|hash, key, value|
    hash[key] = value if (value.is_a?(Hash) || key.to_s.match(regex) )
  }
end

#transform_hash(original, options = {}, &block) ⇒ Object 



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# File 'lib/self_systeem/instance_variables_builder.rb', line 39

def transform_hash(original, options={}, &block)
  original.inject({}){|result, (key,value)|
    value = if (options[:deep] && Hash === value)
              transform_hash(value, options, &block)
            else
              value
            end
    block.call(result,key,value)
    result
  }
end