Class: Effective::Attribute

Inherits:
Object
  • Object
show all
Defined in:
app/models/effective/attribute.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(obj, type = nil, klass: nil) ⇒ Attribute

We also use this class to do value parsing in Datatables. In that case it will be initialized with just a ‘name’



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# File 'app/models/effective/attribute.rb', line 19

def initialize(obj, type = nil, klass: nil)
  @klass = klass

  if obj.present? && type.present?
    @name = obj.to_s
    @type = type.to_sym
  end

  @type ||= (
    case obj
    when :boolean     ; :boolean
    when :config      ; :config
    when :currency    ; :currency
    when :date        ; :date
    when :datetime    ; :datetime
    when :decimal     ; :decimal
    when :duration    ; :duration
    when :email       ; :email
    when :integer     ; :integer
    when :percent     ; :percent
    when :percentage  ; :percent
    when :phone       ; :phone
    when :price       ; :price
    when :nil         ; :nil
    when :resource    ; :resource
    when :select      ; :string
    when :radios      ; :string
    when :string      ; :string
    when :text        ; :string
    when :time        ; :time
    when :uuid        ; :uuid
    when :url         ; :url
    when FalseClass   ; :boolean
    when (defined?(Integer) ? Integer : Fixnum) ; :integer
    when Float        ; :decimal
    when NilClass     ; :nil
    when String       ; :string
    when TrueClass    ; :boolean
    when ActiveSupport::TimeWithZone  ; :datetime
    when Date                         ; :date
    when ActiveRecord::Base           ; :resource
    when :belongs_to                  ; :belongs_to
    when :belongs_to_polymorphic      ; :belongs_to_polymorphic
    when :has_many                    ; :has_many
    when :has_and_belongs_to_many     ; :has_and_belongs_to_many
    when :has_one                     ; :has_one
    when :effective_addresses         ; :effective_addresses
    when :effective_obfuscation       ; :effective_obfuscation
    when :effective_roles             ; :effective_roles
    when :active_storage              ; :active_storage
    else
      raise "unsupported type for #{obj}"
    end
  )
end

Instance Attribute Details

#klass ⇒ Object

Returns the value of attribute klass.



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# File 'app/models/effective/attribute.rb', line 3

def klass
  @klass
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'app/models/effective/attribute.rb', line 3

def name
  @name
end

#type ⇒ Object

Returns the value of attribute type.



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# File 'app/models/effective/attribute.rb', line 3

def type
  @type
end

Class Method Details

.parse_written(input) ⇒ Object

This parses the written attributes



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# File 'app/models/effective/attribute.rb', line 6

def self.parse_written(input)
  input = input.to_s

  if (scanned = input.scan(/^\W*(\w+)\W*:(\w+)/).first).present?
    new(*scanned)
  end
end

Instance Method Details

#<=>(other) ⇒ Object 



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# File 'app/models/effective/attribute.rb', line 205

def <=>(other)
  name <=> other.name
end

#==(other) ⇒ Object 



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# File 'app/models/effective/attribute.rb', line 209

def ==(other)
  name == other.name && type == other.type
end

#human_name ⇒ Object 



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# File 'app/models/effective/attribute.rb', line 201

def human_name
  name.humanize
end

#parse(value, name: nil) ⇒ Object 



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# File 'app/models/effective/attribute.rb', line 75

def parse(value, name: nil)
  case type
  when :boolean
    [true, 'true', 't', '1'].include?(value)
  when :config
    raise('expected an ActiveSupport::OrderedOptions') unless value.kind_of?(ActiveSupport::OrderedOptions)
    parse_ordered_options(value)
  when :date, :datetime
    date = Time.zone.parse(value) if value.kind_of?(String) && value.include?('T')

    date ||= if (digits = value.to_s.scan(/(\d+)/).flatten).present?
      if digits.first.length == 4  # 2017-01-10
        (Time.zone.local(*digits) rescue nil)
      else # 01/10/2016
        year = digits.find { |d| d.length == 4 }
        digits = [year] + (digits - [year])
        (Time.zone.local(*digits) rescue nil)
      end
    end

    date.present? && name.to_s.start_with?('end_') ? date.end_of_day : date
  when :time
    if (digits = value.to_s.scan(/(\d+)/).flatten).present?
      now = Time.zone.now
      (Time.zone.local(now.year, now.month, now.day, *digits) rescue nil)
    end
  when :decimal, :currency
    (value.kind_of?(String) ? value.gsub(/[^0-9|\-|\.]/, '') : value).to_f
  when :duration
    if value.to_s.include?('h')
      (hours, minutes) = (value.to_s.gsub(/[^0-9|\-|h]/, '').split('h'))
      (hours.to_i * 60) + ((hours.to_i < 0) ? -(minutes.to_i) : minutes.to_i)
    else
      value.to_s.gsub(/[^0-9|\-|h]/, '').to_i
    end
  when :effective_obfuscation
    klass.respond_to?(:deobfuscate) ? klass.deobfuscate(value) : value.to_s
  when :effective_roles
    EffectiveRoles.roles.include?(value.to_sym) ? value : EffectiveRoles.roles_for(value)
  when :integer
    (value.kind_of?(String) ? value.gsub(/\D/, '') : value).to_i
  when :percent # Integer * 1000. Percentage to 3 digits.
    value.kind_of?(Integer) ? value : (value.to_s.gsub(/[^0-9|\-|\.]/, '').to_f * 1000.0).round
  when :phone
    digits = value.to_s.gsub(/\D/, '').chars
    digits = (digits.first == '1' ? digits[1..10] : digits[0..9]) # Throw away a leading 1

    return nil unless digits.length == 10

    "(#{digits[0..2].join}) #{digits[3..5].join}-#{digits[6..10].join}"
  when :integer
    (value.kind_of?(String) ? value.gsub(/\D/, '') : value).to_i
  when :nil
    value.presence
  when :price # Integer * 100. Number of cents.
    value.kind_of?(Integer) ? value : (value.to_s.gsub(/[^0-9|\-|\.]/, '').to_f * 100.0).round
  when :string
    value.to_s
  when :url
    return nil unless value.kind_of?(String)

    if value.downcase.start_with?('http://', 'https://')
      value
    elsif value.include?('.')
      "https://#{value}"
    end

  when :email
    return nil unless value.kind_of?(String)

    if value.include?('<') && value.include?('>')
      value = value.match(/<(.+)>/)[1].to_s  # John Smith <[email protected]>
    end

    if value.include?(',')
      value = value.split(',').find { |str| str.include?('@') }.to_s
    end

    if value.include?(' ')
      value = value.split(' ').find { |str| str.include?('@') }.to_s
    end

    value = value.to_s.downcase.strip

    return nil unless value.include?('@') && value.include?('.')

    if defined?(Devise)
      return nil unless Devise::email_regexp.match?(value)
    end

    value
  when :belongs_to_polymorphic
    value.to_s
  when :belongs_to, :has_many, :has_and_belongs_to_many, :has_one, :resource, :effective_addresses  # Returns an Array of ints, an Int or String
    if value.kind_of?(Integer) || value.kind_of?(Array)
      value
    else
      digits = value.to_s.gsub(/[^0-9|,]/, '') # '87' or '87,254,300' or 'something'

      if digits == value || digits.length == 10
        if klass.respond_to?(:deobfuscate)
          digits.split(',').map { |str| klass.deobfuscate(str).to_i }
        else
          digits.split(',').map { |str| str.to_i }
        end
      else
        value.to_s
      end
    end
  when :uuid
    value.to_s
  when :active_storage
    value.to_s
  else
    raise "unsupported type #{type}"
  end
end

#parse_ordered_options(obj) ⇒ Object

This returns a nested ActiveSupport::OrderedOptions.new config



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# File 'app/models/effective/attribute.rb', line 214

def parse_ordered_options(obj)
  return obj unless obj.kind_of?(Hash)

  ActiveSupport::OrderedOptions.new.tap do |config|
    obj.each { |key, value| config[key] = parse_ordered_options(value) }
  end
end

#present? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/effective/attribute.rb', line 197

def present?
  name.present? || type.present?
end

#to_s ⇒ Object 



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# File 'app/models/effective/attribute.rb', line 193

def to_s
  name
end