Class: MontageRails::Base::Column

Inherits:
Object
  • Object
show all
Defined in:
lib/montage_rails/base/column.rb

Constant Summary collapse

TYPE_MAP = 
{
  "integer" => Integer,
  "float" => Float,
  "text" => String,
  "date" => Date,
  "time" => Time,
  "datetime" => DateTime,
  "numeric" => Numeric
}

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, type, required = false) ⇒ Column

Returns a new instance of Column.



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# File 'lib/montage_rails/base/column.rb', line 18

def initialize(name, type, required = false)
  @name = name
  @type = type
  @required = required
end

Instance Attribute Details

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/montage_rails/base/column.rb', line 14

def name
  @name
end

#required ⇒ Object Also known as: required?

Returns the value of attribute required.



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# File 'lib/montage_rails/base/column.rb', line 14

def required
  @required
end

#type ⇒ Object

Returns the value of attribute type.



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# File 'lib/montage_rails/base/column.rb', line 14

def type
  @type
end

Instance Method Details

#coerce(value) ⇒ Object 



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# File 'lib/montage_rails/base/column.rb', line 42

def coerce(value)
  return value if value.is_a?(TYPE_MAP[type])

  if is_i?(value)
    coerce_to = Integer
  elsif is_f?(value)
    coerce_to = Float
  else
    coerce_to = TYPE_MAP[type]
  end

  Virtus::Attribute.build(coerce_to).coerce(value)
end

#is_f?(value) ⇒ Boolean

Determines if the string value passed in is a float Returns true or false

Returns:

  • (Boolean) 


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# File 'lib/montage_rails/base/column.rb', line 38

def is_f?(value)
  /\A\d+\.\d+\z/ =~ value
end

#is_i?(value) ⇒ Boolean

Determines if the string value passed in is an integer Returns true or false

Returns:

  • (Boolean) 


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# File 'lib/montage_rails/base/column.rb', line 31

def is_i?(value)
  /\A\d+\z/ =~ value
end

#value_valid?(value) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/montage_rails/base/column.rb', line 24

def value_valid?(value)
  !(required? && value.nil?)
end