Class: Eluvia::Fieldset::RestFieldset

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/eluvia/fieldset/rest_fieldset.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*fields) ⇒ RestFieldset

Returns a new instance of RestFieldset.



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# File 'lib/eluvia/fieldset/rest_fieldset.rb', line 6

def initialize(*fields)
  @fields_map = {}
  fields.each { |field| append(field) }
end

Class Method Details

.create_from_list(fields, default_field_fieldset_string: nil) ⇒ Object 



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# File 'lib/eluvia/fieldset/rest_fieldset.rb', line 13

def create_from_list(fields, default_field_fieldset_string: nil)
  new(*fields.map { |field_string| RestField.create_from_string(field_string, default_fieldset_string: default_field_fieldset_string) })
end

.create_from_string(fields_string, default_field_fieldset_string: nil) ⇒ Object 



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# File 'lib/eluvia/fieldset/rest_fieldset.rb', line 17

def create_from_string(fields_string, default_field_fieldset_string: nil)
  new(*split_fields(fields_string).map { |field_string| RestField.create_from_string(field_string, default_fieldset_string: default_field_fieldset_string) })
end

Instance Method Details

#&(other) ⇒ Object 



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# File 'lib/eluvia/fieldset/rest_fieldset.rb', line 94

def &(other)
  intersection(other)
end

#==(other) ⇒ Object 



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# File 'lib/eluvia/fieldset/rest_fieldset.rb', line 148

def ==(other)
  other.is_a?(RestFieldset) && fields_map == other.fields_map
end

#append(field) ⇒ Object 



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# File 'lib/eluvia/fieldset/rest_fieldset.rb', line 115

def append(field)
  rest_field =
    case field
    when RestField
      field
    when String
      RestField.create_from_string(field)
    else
      raise ArgumentError, "field can be only RestField or string ('#{field}' [#{field.class}])"
    end

  rest_field = @fields_map[rest_field.name].join(rest_field) if @fields_map.key?(rest_field.name)

  @fields_map[rest_field.name] = rest_field
  self
end

#deep_dup ⇒ Object 



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# File 'lib/eluvia/fieldset/rest_fieldset.rb', line 98

def deep_dup
  self.class.new(*fields.map(&:deep_dup))
end

#delete(key) ⇒ Object 



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# File 'lib/eluvia/fieldset/rest_fieldset.rb', line 86

def delete(key)
  @fields_map.delete(key.to_s)
end

#each(&block) ⇒ Object 



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# File 'lib/eluvia/fieldset/rest_fieldset.rb', line 136

def each(&block)
  fields.each(&block)
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/eluvia/fieldset/rest_fieldset.rb', line 106

def empty?
  @fields_map.empty?
end

#fields ⇒ Object 



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# File 'lib/eluvia/fieldset/rest_fieldset.rb', line 48

def fields
  @fields_map.values
end

#flat ⇒ Object 



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# File 'lib/eluvia/fieldset/rest_fieldset.rb', line 132

def flat
  @fields_map.keys.to_set
end

#get(key) ⇒ Object Also known as: [] 



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# File 'lib/eluvia/fieldset/rest_fieldset.rb', line 110

def get(key)
  @fields_map[key.to_s]
end

#has_any_key(*keys) ⇒ Object 



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# File 'lib/eluvia/fieldset/rest_fieldset.rb', line 144

def has_any_key(*keys)
  keys.any? { |key| include?(key) }
end

#include?(key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/eluvia/fieldset/rest_fieldset.rb', line 140

def include?(key)
  @fields_map.key?(key.to_s)
end

#intersection(rest_fieldset) ⇒ Object 



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# File 'lib/eluvia/fieldset/rest_fieldset.rb', line 64

def intersection(rest_fieldset)
  fieldset = deep_dup
  fields_map = fieldset.fields_map
  fieldset.fields_map = {}

  fields_map.each do |name, rf|
    fieldset.append(rf.intersection(rest_fieldset.fields_map[name])) if rest_fieldset.fields_map.key?(name)
  end
  fieldset
end

#join(rest_fieldset) ⇒ Object 



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# File 'lib/eluvia/fieldset/rest_fieldset.rb', line 52

def join(rest_fieldset)
  fieldset = deep_dup
  rest_fieldset.fields.each do |rf|
    fieldset.fields_map[rf.name] = if fieldset.fields_map.key?(rf.name)
                                     fieldset.fields_map[rf.name].join(rf)
                                   else
                                     rf.deep_dup
                                   end
  end
  fieldset
end

#left_intersection(rest_fieldset) ⇒ Object 



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# File 'lib/eluvia/fieldset/rest_fieldset.rb', line 75

def left_intersection(rest_fieldset)
  fieldset = deep_dup
  fields_map = fieldset.fields_map
  fieldset.fields_map = {}

  fields_map.each do |name, rf|
    fieldset.append(rf.left_intersection(rest_fieldset.fields_map[name])) if rest_fieldset.fields_map.key?(name)
  end
  fieldset
end

#to_s ⇒ Object 



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# File 'lib/eluvia/fieldset/rest_fieldset.rb', line 102

def to_s
  fields.join(',')
end

#|(other) ⇒ Object 



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# File 'lib/eluvia/fieldset/rest_fieldset.rb', line 90

def |(other)
  join(other)
end