Class: Pilipinas::Base

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

Direct Known Subclasses

Barangay, City, Province, Region

Class Attribute Summary collapse

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Base

Returns a new instance of Base.



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# File 'lib/pilipinas/base.rb', line 8

def initialize(options = {})
  @code = options[:code]
  @name = options[:name]
end

Class Attribute Details

.data ⇒ Object

Returns the value of attribute data.



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# File 'lib/pilipinas/base.rb', line 14

def data
  @data
end

Instance Attribute Details

#code ⇒ Object (readonly)

Returns the value of attribute code.



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# File 'lib/pilipinas/base.rb', line 3

def code
  @code
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/pilipinas/base.rb', line 3

def name
  @name
end

Class Method Details

.add(region) ⇒ Object 



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# File 'lib/pilipinas/base.rb', line 63

def add(region)
  self.data ||= []
  self.data << region
end

.all ⇒ Object 



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# File 'lib/pilipinas/base.rb', line 35

def all
  load_data
end

.assoc_collection(options) ⇒ Object 



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# File 'lib/pilipinas/base.rb', line 16

def assoc_collection(options)
  code = options.fetch(:code)
  dir = options.fetch(:dir)

  load_file(File.join(File.dirname(__FILE__), '..', 'data', dir.to_s, "#{code}.yml"))
end

.count ⇒ Object 



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# File 'lib/pilipinas/base.rb', line 23

def count
  all.count
end

.find_by(options) ⇒ Object 



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# File 'lib/pilipinas/base.rb', line 43

def find_by(options)
  raise 'invalid hash' if options.empty?
  send "find_by_#{options.keys.first.to_s}", options.values.first.to_s
end

.first ⇒ Object 



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# File 'lib/pilipinas/base.rb', line 27

def first
  all.first
end

.last ⇒ Object 



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# File 'lib/pilipinas/base.rb', line 31

def last
  all.last
end

.load_data ⇒ Object 



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# File 'lib/pilipinas/base.rb', line 39

def load_data
  raise 'Implement load_data'
end

.load_file(file) ⇒ Object 



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# File 'lib/pilipinas/base.rb', line 56

def load_file(file)
  reset_data
  yaml = YAML.load_file(file)
  yaml.each { |hash, _opts| add(new(hash)) } if yaml
  data
end

.method_missing(*args) ⇒ Object 



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# File 'lib/pilipinas/base.rb', line 48

def method_missing(*args)
  regex = args.first.to_s.match(/^find_by_(.*)/)
  super if !regex || Regexp.last_match(1).nil?

  load_data unless data
  select_by(Regexp.last_match(1), args[1])
end

.parse_attributes(attr, val) ⇒ Object

Raises:



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# File 'lib/pilipinas/base.rb', line 76

def parse_attributes(attr, val)
  raise Pilipinas::UnknownAttribute, "Invalid attribute '#{attr}'." unless %i[code name].include?(attr.to_sym)

  [attr, val]
end

.reset_data ⇒ Object 



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# File 'lib/pilipinas/base.rb', line 86

def reset_data
  self.data = []
end

.select_by(attribute, val) ⇒ Object 



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# File 'lib/pilipinas/base.rb', line 68

def select_by(attribute, val)
  attr, value = parse_attributes(attribute.downcase, (val ? val.to_s.downcase : val))

  obj = data.select { |c| c.send(attr.to_sym).downcase == value }
  validate(obj)
  obj.first
end

.validate(obj) ⇒ Object 



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# File 'lib/pilipinas/base.rb', line 82

def validate(obj)
  return nil if obj.empty?
end