Class: ClashOfClansApi::Models::Base

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

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(hash, client) ⇒ Base

Returns a new instance of Base.



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# File 'lib/clash_of_clans_api/models/base.rb', line 9

def initialize(hash, client)
	@hash   = hash
	@client = client
	
	validate!
end

Instance Attribute Details

#client ⇒ Object (readonly)

Returns the value of attribute client.



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# File 'lib/clash_of_clans_api/models/base.rb', line 7

def client
  @client
end

Class Method Details

.property(method_name, key, type: nil, required: false, default: nil) ⇒ Object 



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# File 'lib/clash_of_clans_api/models/base.rb', line 29

def property(method_name, key, type: nil, required: false, default: nil)
	define_method(method_name) do
		deduced_type =
			case type
				when Symbol
					send(type)
				when String
					self.class.const_get(type)
				else
					type
			end
		
		if !@hash.key?(key)
			default
		elsif deduced_type.nil?
			self[key]
		elsif property_cached?(method_name)
			property_from_cache(method_name)
		else
			initializer_proc = proc do |item|
				if deduced_type.ancestors.include?(ClashOfClansApi::Models::Base)
					deduced_type.new(item, self.client)
				elsif deduced_type == DateTime
					DateTime.parse(item)
				else
					deduced_type.new(item)
				end
			end
			
			cache_property(method_name, self[key].then do |prop|
				prop.is_a?(Array) ? prop.map(&initializer_proc) : initializer_proc.call(prop)
			end)
		end
	end
	
	registered_properties[key] = {
		method_name: method_name,
		required:    required,
		default:     default,
		type:        type,
	}
end

.registered_properties ⇒ Object 



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# File 'lib/clash_of_clans_api/models/base.rb', line 25

def registered_properties
	@registered_properties ||= {}
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/clash_of_clans_api/models/base.rb', line 20

def [](key)
	@hash[key]
end

#cache_property(method_name, obj) ⇒ Object 



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# File 'lib/clash_of_clans_api/models/base.rb', line 77

def cache_property(method_name, obj)
	@property_cache ||= {}
	
	@property_cache[method_name] = obj
end

#property_cached?(method_name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/clash_of_clans_api/models/base.rb', line 73

def property_cached?(method_name)
	@property_cache && @property_cache.key?(method_name)
end

#property_from_cache(method_name) ⇒ Object 



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# File 'lib/clash_of_clans_api/models/base.rb', line 83

def property_from_cache(method_name)
	@property_cache[method_name]
end

#to_h ⇒ Object 



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# File 'lib/clash_of_clans_api/models/base.rb', line 16

def to_h
	@hash
end

#validate! ⇒ Object 



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# File 'lib/clash_of_clans_api/models/base.rb', line 87

def validate!
	missing = self.class.registered_properties.reject do |field_name, properties|
		!properties[:required] || @hash.key?(field_name)
	end
	
	if missing.any?
		raise InvalidDataError, "The following keys are required, but missing from the model data: #{missing.keys.map(&:inspect).join(', ')}"
	end
end