Class: Eco::API::UseCases::GraphQL::Helpers::Location::TagsRemap::TagsMap

Inherits:
Object
  • Object
show all
Defined in:
lib/eco/api/usecases/graphql/helpers/location/tags_remap/tags_map.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(from, to) ⇒ TagsMap

Returns a new instance of TagsMap.



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# File 'lib/eco/api/usecases/graphql/helpers/location/tags_remap/tags_map.rb', line 6

def initialize(from, to)
  @from = TagsSet.new(from)
  @to   = TagsSet.new(to)
end

Instance Attribute Details

#from ⇒ Object (readonly)

Returns the value of attribute from.



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# File 'lib/eco/api/usecases/graphql/helpers/location/tags_remap/tags_map.rb', line 4

def from
  @from
end

#to ⇒ Object (readonly)

Returns the value of attribute to.



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# File 'lib/eco/api/usecases/graphql/helpers/location/tags_remap/tags_map.rb', line 4

def to
  @to
end

Instance Method Details

#<=>(other) ⇒ Object

Note:

to create a stable sort we assume self is a sorted element



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# File 'lib/eco/api/usecases/graphql/helpers/location/tags_remap/tags_map.rb', line 16

def <=>(other) # rubocop:disable Metrics/AbcSize
  return -1 if maps?   && !other.maps?
  return  1 if !maps?  && other.maps?
  return -1 if rename? && other.move?
  return  1 if move?   && other.rename?
  return -1 if rename? && other.rename?
  # both are being moved (specific/long mappings first)
  return  1 if from.subset_of?(other.from)
  return -1 if from.superset_of?(other.from)
  return -1 if (from & other.from).empty?
  return -1 if from.length >= other.from.length
  return  1 if from.length <  other.from.length
  -1
end

#any?(&block) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/eco/api/usecases/graphql/helpers/location/tags_remap/tags_map.rb', line 45

def any?(&block)
  [from, to].any?(&block)
end

#both?(&block) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/eco/api/usecases/graphql/helpers/location/tags_remap/tags_map.rb', line 41

def both?(&block)
  [from, to].all?(&block)
end

#goes_after?(other) ⇒ Boolean

Note:

to create a stable sort we assume self is a sorted element

Returns:

  • (Boolean) 


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# File 'lib/eco/api/usecases/graphql/helpers/location/tags_remap/tags_map.rb', line 37

def goes_after?(other)
  (self <=> other) == 1
end

#goes_before?(other) ⇒ Boolean

Note:

to create a stable sort we assume self is a sorted element

Returns:

  • (Boolean) 


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# File 'lib/eco/api/usecases/graphql/helpers/location/tags_remap/tags_map.rb', line 32

def goes_before?(other)
  (self <=> other) == -1
end

#maps? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/eco/api/usecases/graphql/helpers/location/tags_remap/tags_map.rb', line 49

def maps?
  return false if any?(&:empty?)
  return false if from == to
  true
end

#move? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/eco/api/usecases/graphql/helpers/location/tags_remap/tags_map.rb', line 60

def move?
  return false unless maps?
  !rename?
end

#rename? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/eco/api/usecases/graphql/helpers/location/tags_remap/tags_map.rb', line 55

def rename?
  return false unless maps?
  both? {|set| set.length == 1}
end

#to_csv_row ⇒ Object 



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# File 'lib/eco/api/usecases/graphql/helpers/location/tags_remap/tags_map.rb', line 11

def to_csv_row
  [from.to_s, to.to_s]
end