Class: StaticCollection::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/static_collection.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(attributes = {}) ⇒ Base

Returns a new instance of Base.



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# File 'lib/static_collection.rb', line 83

def initialize(attributes = {})
  @attributes = attributes
end

Instance Attribute Details

#attributes ⇒ Object (readonly)

Returns the value of attribute attributes.



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# File 'lib/static_collection.rb', line 81

def attributes
  @attributes
end

Class Method Details

.all ⇒ Object 



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# File 'lib/static_collection.rb', line 72

def self.all
  instance_variable_get(:@all)
end

.count ⇒ Object 



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# File 'lib/static_collection.rb', line 76

def self.count
  all.size
end

.find_by(opts) ⇒ Object 



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# File 'lib/static_collection.rb', line 64

def self.find_by(opts)
  all.find { |instance| opts.all? { |k, v| instance.send(k) == v } }
end

.set_source(source, defaults: {}) ⇒ Object

rubocop:disable Metrics/MethodLength



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# File 'lib/static_collection.rb', line 7

def self.set_source(source, defaults: {})
  raise "Source must be an array" unless source.is_a?(Array)

  defaults = defaults.stringify_keys
  raise "Source must have at least one value" if source.count <= 0

  values = source.map(&:stringify_keys).map { |s| new(deep_freeze(defaults.merge(s))) }
  instance_variable_set(:@all, values)

  all_attribute_names = values.flat_map { |v| v.attributes.keys }.uniq
  all_attribute_names.each do |attribute_name|
    # Class methods
    define_singleton_method(:"find_by_#{attribute_name}") do |value|
      ActiveSupport::Deprecation.warn(
        "find_by_#{attribute_name} is deprecated for StaticCollection, " \
        "use find_by(#{attribute_name}: [value])",
      )
      all.find { |instance| instance.send(attribute_name) == value }
    end
    define_singleton_method(:"find_all_by_#{attribute_name}") do |value|
      ActiveSupport::Deprecation.warn(
        "find_all_by_#{attribute_name} is deprecated for StaticCollection, " \
        "use where(#{attribute_name}: [value])",
      )
      all.select { |instance| instance.send(attribute_name) == value }
    end

    # Instance methods
    send(:define_method, attribute_name) { attributes[attribute_name] }
    send(:define_method, "#{attribute_name}?") {
      attributes[attribute_name] if attributes.key?(attribute_name)
    }
  end
end

.where(opts) ⇒ Object 



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# File 'lib/static_collection.rb', line 68

def self.where(opts)
  all.select { |instance| opts.all? { |k, v| instance.send(k) == v } }
end

Instance Method Details

#as_json(options = {}) ⇒ Object 



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# File 'lib/static_collection.rb', line 87

def as_json(options = {})
  attributes.as_json(options)
end