Class: Lookbook::EntityCollection

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/lookbook/entities/collections/entity_collection.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(entities = nil) ⇒ EntityCollection

Returns a new instance of EntityCollection.



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# File 'lib/lookbook/entities/collections/entity_collection.rb', line 9

def initialize(entities = nil)
  @_cache = {}
  @entities = []
  add(entities)
end

Instance Attribute Details

#entities ⇒ Object (readonly) 



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# File 'lib/lookbook/entities/collections/entity_collection.rb', line 7

def entities
  @entities
end

Instance Method Details

#add(to_add = nil) ⇒ Object 



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# File 'lib/lookbook/entities/collections/entity_collection.rb', line 15

def add(to_add = nil)
  Array(to_add).each do |entity|
    unless find_by_path(entity.lookup_path)
      @entities.push(entity)
    end
  end
  clear_cache
end

#clear_all ⇒ Object 



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# File 'lib/lookbook/entities/collections/entity_collection.rb', line 55

def clear_all
  @entities = []
  clear_cache
end

#each(&block) ⇒ Object 



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# File 'lib/lookbook/entities/collections/entity_collection.rb', line 43

def each(&block)
  if block
    entities.sort.each { |entity| yield entity }
  else
    to_enum(:each)
  end
end

#find_by_id(id) ⇒ Object 



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# File 'lib/lookbook/entities/collections/entity_collection.rb', line 24

def find_by_id(id)
  id = Utils.id(id)
  @entities.find { |entity| entity.id == id }
end

#find_by_path(path) ⇒ Object 



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# File 'lib/lookbook/entities/collections/entity_collection.rb', line 29

def find_by_path(path)
  @entities.find { |entity| entity.lookup_path.to_s == path.to_s }
end

#flat_map ⇒ Object 



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# File 'lib/lookbook/entities/collections/entity_collection.rb', line 51

def flat_map(...)
  entities.map(...).map { |e| e.respond_to?(:to_a) ? e.to_a : e }.flatten
end

#next(entity) ⇒ Object 



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# File 'lib/lookbook/entities/collections/entity_collection.rb', line 33

def next(entity)
  index = entities.find_index { |i| i.lookup_path == entity.lookup_path }
  entities[index + 1] unless index.nil?
end

#previous(entity) ⇒ Object 



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# File 'lib/lookbook/entities/collections/entity_collection.rb', line 38

def previous(entity)
  index = entities.find_index { |i| i.lookup_path == entity.lookup_path }
  entities[index - 1] if !index.nil? && index > 0
end