Class: PostJson::Base

Inherits:
ActiveRecord::Base
  • Object
show all
Includes:
Copyable, DynamicIndexMethods, SettingsMethods
Defined in:
lib/post_json/base.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ Base

Returns a new instance of Base.



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# File 'lib/post_json/base.rb', line 14

def initialize(*args)
  if args[0]
    __local__doc__body = HashWithIndifferentAccess.new

    args[0] = args[0].with_indifferent_access.inject(HashWithIndifferentAccess.new('__doc__body' => {})) do |result, (attribute_name, value)|
      if self.class.primary_key == attribute_name
        result[attribute_name] = value
        result['__doc__body'][attribute_name] = value
      elsif self.class.column_names.include?(attribute_name)
        result[attribute_name] = value
      else
        __local__doc__body[attribute_name] = value
      end
      result
    end

    super(*args) do |new_record|
      __local__doc__body.each do |attribute_name, value|
        new_record.public_send("#{attribute_name}=", value)
      end

      yield new_record if block_given?
    end
  else
    args[0] = HashWithIndifferentAccess.new('__doc__body' => {})
    super
  end
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method_symbol, *args, &block) ⇒ Object 



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# File 'lib/post_json/base.rb', line 164

def method_missing(method_symbol, *args, &block)
  method_name = method_symbol.to_s
  attribute_name =  if method_name.end_with?("_changed?")
                      method_name[0..-10]
                    elsif method_name.end_with?("_was")
                      method_name[0..-5]
                    elsif method_name.end_with?("=")
                      method_name[0..-2]
                    elsif method_name.end_with?("_change")
                      method_name[0..-8]
                    elsif method_name.end_with?("_will_change!")
                      method_name[0..-14]
                    else
                      method_name
                    end

  if attribute_name.in?(attribute_names) || self.class.column_names.include?(attribute_name) || super_respond_to?(attribute_name.to_sym)
    super
  else
    self.class.define_attribute_accessor(attribute_name)
    send(method_symbol, *args)
  end
end

Class Method Details

.collection_name ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/post_json/base.rb', line 208

def collection_name
  if @collection_name == nil
    @collection_name = superclass.collection_name rescue nil
  end
  message = "You need to assign a collection name to \"#{name || 'Class'}.collection_name\""
  raise ArgumentError, message unless @collection_name.present?
  @collection_name
end

.collection_name=(name) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/post_json/base.rb', line 217

def collection_name=(name)
  raise ArgumentError, "Collection name must be present" unless name.present?
  @collection_name = name.to_s.strip
  reload_settings!
  @collection_name
end

.convert_attribute_value_before_save(primary_key, selector, value) ⇒ Object 



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# File 'lib/post_json/base.rb', line 261

def convert_attribute_value_before_save(primary_key, selector, value)
  case value
  when Time
    value.in_time_zone
  when DateTime
    value.to_time.in_time_zone
  else
    value
  end
end

.convert_document_array_before_save(primary_key, document_array, prefix = nil) ⇒ Object 



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# File 'lib/post_json/base.rb', line 293

def convert_document_array_before_save(primary_key, document_array, prefix = nil)
  if document_array
    document_array.map.with_index do |value, index|
      selector = "#{prefix}[#{index}]"
      case value
      when Hash
        convert_document_hash_before_save(primary_key, value, selector)
      when Array
        convert_document_array_before_save(primary_key, value, selector)
      else
        convert_attribute_value_before_save(primary_key, selector, value)
      end
    end
  end
end

.convert_document_hash_before_save(primary_key, document_hash, prefix = nil) ⇒ Object 



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# File 'lib/post_json/base.rb', line 272

def convert_document_hash_before_save(primary_key, document_hash, prefix = nil)
  if document_hash
    document_hash.inject(HashWithIndifferentAccess.new) do |result_hash, (key, value)|
      selector =  if prefix
                    "#{prefix}.#{key}"
                  else
                    key
                  end
      case value
      when Hash
        result_hash[key] = convert_document_hash_before_save(primary_key, value, selector)
      when Array
        result_hash[key] = convert_document_array_before_save(primary_key, value, selector)
      else
        result_hash[key] = convert_attribute_value_before_save(primary_key, selector, value)
      end
      result_hash
    end
  end
end

.default_scopes ⇒ Object 



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# File 'lib/post_json/base.rb', line 200

def default_scopes
  # query = original_all.where("\"#{table_name}\".__doc__model_settings_id = ?", settings_id)
  model_settings = ModelSettings.table_name
  query = original_all.joins("INNER JOIN \"#{model_settings}\" ON lower(\"#{model_settings}\".collection_name) = '#{collection_name.downcase}'")
  query = query.where("\"#{table_name}\".__doc__model_settings_id = \"#{model_settings}\".id")
  super + [Proc.new { query }]
end

.define_attribute_accessor(attribute_name) ⇒ Object 



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# File 'lib/post_json/base.rb', line 233

def define_attribute_accessor(attribute_name)
  class_eval <<-RUBY
    def #{attribute_name}
      __doc__body_read_attribute('#{attribute_name}')
    end

    def #{attribute_name}=(value)
      __doc__body_write_attribute('#{attribute_name}', value)
    end

    def #{attribute_name}_changed?
      __doc__body_attribute_changed?('#{attribute_name}')
    end

    def #{attribute_name}_was
      __doc__body_attribute_was('#{attribute_name}')
    end

    def #{attribute_name}_change
      __doc__body_attribute_change('#{attribute_name}')
    end

    def #{attribute_name}_will_change!
      (__doc__body_will_change! || {})['#{attribute_name}']
    end
  RUBY
end

.page(*args) ⇒ Object 



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# File 'lib/post_json/base.rb', line 196

def page(*args)
  all.page(*args)
end

.post_json_all ⇒ Object Also known as: all 



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# File 'lib/post_json/base.rb', line 189

def post_json_all
  QueryTranslator.new(original_all)
end

.rename_collection(new_name) ⇒ Object 



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# File 'lib/post_json/base.rb', line 224

def rename_collection(new_name)
  new_name = new_name.to_s.strip
  if settings.persisted?
    settings.collection_name = new_name
    settings.save!
  end
  @collection_name = new_name
end

Instance Method Details

#[](attribute_name) ⇒ Object 



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# File 'lib/post_json/base.rb', line 132

def [](attribute_name)
  self.__doc__body_read_attribute(attribute_name)
end

#[]=(attribute_name, value) ⇒ Object 



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# File 'lib/post_json/base.rb', line 136

def []=(attribute_name, value)
  self.__doc__body_write_attribute(attribute_name, value)
end

#__doc__body_attribute_change(attribute_name) ⇒ Object 



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# File 'lib/post_json/base.rb', line 105

def __doc__body_attribute_change(attribute_name)
  __local__change = [__doc__body_attribute_was(attribute_name), __doc__body_read_attribute(attribute_name)]
  if __local__change[0] == __local__change[1]
    nil
  else
    __local__change
  end
end

#__doc__body_attribute_changed?(attribute_name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/post_json/base.rb', line 101

def __doc__body_attribute_changed?(attribute_name)
  (self.__doc__body == nil ? nil : self.__doc__body.with_indifferent_access[attribute_name]) != self.__doc__body_attribute_was(attribute_name)
end

#__doc__body_attribute_was(attribute_name) ⇒ Object 



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# File 'lib/post_json/base.rb', line 97

def __doc__body_attribute_was(attribute_name)
  self.__doc__body_was == nil ? nil : self.__doc__body_was.with_indifferent_access[attribute_name]
end

#__doc__body_convert_attribute_type(attribute_name, value) ⇒ Object 



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# File 'lib/post_json/base.rb', line 114

def __doc__body_convert_attribute_type(attribute_name, value)
  case value
  when /^[0-9]{4}-[0-1][0-9]-[0-3][0-9]T[0-2][0-9]:[0-5][0-9]:[0-5][0-9]\.[0-9]{3}Z$/
    DateTime.parse(value)
  when Hash
    value.inject(HashWithIndifferentAccess.new) do |result, (key, value)|
      result[key] = __doc__body_convert_attribute_type("#{attribute_name}.#{key}", value)
      result
    end
  when Array
    value.map.with_index do |array_value, index|
      __doc__body_convert_attribute_type("#{attribute_name}[#{index}]", array_value)
    end
  else
    value
  end
end

#__doc__body_read_attribute(attribute_name) ⇒ Object 



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# File 'lib/post_json/base.rb', line 87

def __doc__body_read_attribute(attribute_name)
  __local__value = self.__doc__body[attribute_name.to_s] if self.__doc__body
  __doc__body_convert_attribute_type(attribute_name, __local__value)
end

#__doc__body_write_attribute(attribute_name, value) ⇒ Object 



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# File 'lib/post_json/base.rb', line 92

def __doc__body_write_attribute(attribute_name, value)
  self.__doc__body = HashWithIndifferentAccess.new(self.__doc__body).merge(attribute_name.to_s => value)
  value
end

#attribute_changed?(attribute_name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/post_json/base.rb', line 78

def attribute_changed?(attribute_name)
  attribute_name = attribute_name.to_s
  if attribute_name.in?(attribute_names)
    super
  else
    __doc__body_attribute_changed?(attribute_name)
  end
end

#attributes ⇒ Object 



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# File 'lib/post_json/base.rb', line 49

def attributes
  if @new_record != nil
    (read_attribute('__doc__body') || {}).with_indifferent_access
  else
    HashWithIndifferentAccess.new
  end
end

#cache_key ⇒ Object 



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# File 'lib/post_json/base.rb', line 43

def cache_key
  @dashed_name ||= self.class.name.underscore.dasherize
  __local__unique_version = __doc__version || Digest::MD5.hexdigest(attributes.inspect)
  "#{@dashed_name}-#{self[self.class.primary_key]}-version-#{__local__unique_version}"
end

#inspect ⇒ Object 



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# File 'lib/post_json/base.rb', line 61

def inspect
  "#<#{self.class.name} #{attributes.map{ |k, v| "#{k}: #{v.inspect}" }.join(", ")}>"
end

#respond_to?(method_symbol, include_all = false) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/post_json/base.rb', line 142

def respond_to?(method_symbol, include_all = false)
  if super
    true
  else
    method_name = method_symbol.to_s
    attribute_name =  if method_name.end_with?("_changed?")
                        method_name[0..-10]
                      elsif method_name.end_with?("_was")
                        method_name[0..-5]
                      elsif method_name.end_with?("=")
                        method_name[0..-2]
                      elsif method_name.end_with?("_change")
                        method_name[0..-8]
                      elsif method_name.end_with?("_will_change!")
                        method_name[0..-14]
                      else
                        method_name
                      end
    attributes.has_key?(attribute_name)
  end
end

#super_respond_to? ⇒ Object 



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# File 'lib/post_json/base.rb', line 140

alias_method :super_respond_to?, :respond_to?

#to_h ⇒ Object 



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# File 'lib/post_json/base.rb', line 57

def to_h
  attributes.deep_dup
end

#write_attribute(attribute_name, value) ⇒ Object 



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# File 'lib/post_json/base.rb', line 65

def write_attribute(attribute_name, value)
  attribute_name = attribute_name.to_s
  if attribute_name == '__doc__body'
    value = value.try(:with_indifferent_access)
    self.__doc__body_will_change! unless self.__doc__body.try(:with_indifferent_access) == value
    super('__doc__body', value)
  elsif attribute_name.in?(attribute_names)
    super
  else
    __doc__body_write_attribute(attribute_name, value)
  end
end