Class: Gum::Filter

Inherits:

Object

• Object
• Gum::Filter

Defined in:

lib/gum/filter.rb

Direct Known Subclasses

Gum::Filters::Exists, Gum::Filters::Fuzzy, Gum::Filters::Geo::Bbox, Gum::Filters::Geo::Distance, Gum::Filters::Geo::Range, Gum::Filters::Prefix, Gum::Filters::Range, Gum::Filters::Regexp, Gum::Filters::Term, Gum::Filters::Terms, Gum::Filters::Wildcard, OrderBy

Instance Attribute Summary

• #field ⇒ Object readonly

  Returns the value of attribute field.

• #options ⇒ Object readonly

  Returns the value of attribute options.

• #param ⇒ Object readonly

  Returns the value of attribute param.

Instance Method Summary

• #__render__(value) ⇒ Object
• #empty?(params) ⇒ Boolean
• #initialize(param, field, options) ⇒ Filter constructor

  A new instance of Filter.

• #render(params) ⇒ Object
• #value_from(params) ⇒ Object

Constructor Details

#initialize(param, field, options) ⇒ Filter

Returns a new instance of Filter.

# File 'lib/gum/filter.rb', line 5

def initialize(param, field, options)
  @param = param
  @field = field
  @options = options || {}
end

Instance Attribute Details

#field ⇒ Object (readonly)

Returns the value of attribute field.

# File 'lib/gum/filter.rb', line 3

def field
  @field
end

#options ⇒ Object (readonly)

Returns the value of attribute options.

# File 'lib/gum/filter.rb', line 3

def options
  @options
end

#param ⇒ Object (readonly)

Returns the value of attribute param.

# File 'lib/gum/filter.rb', line 3

def param
  @param
end

Instance Method Details

#__render__(value) ⇒ Object

Raises:

• (NoMethodError)

# File 'lib/gum/filter.rb', line 24

def __render__(value)
  raise NoMethodError
end

#empty?(params) ⇒ Boolean

Returns:

• (Boolean)

# File 'lib/gum/filter.rb', line 20

def empty?(params)
  params[param].blank?
end

#render(params) ⇒ Object

# File 'lib/gum/filter.rb', line 11

def render(params)
  return if empty?(params)
  __render__ value_from(params)
end

#value_from(params) ⇒ Object

# File 'lib/gum/filter.rb', line 16

def value_from(params)
  params[param].presence
end