Class: JsonapiCompliable::Stats::DSL

Inherits:
Object
  • Object
show all
Defined in:
lib/jsonapi_compliable/stats/dsl.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(adapter, config) ⇒ DSL

Returns a new instance of DSL.



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# File 'lib/jsonapi_compliable/stats/dsl.rb', line 6

def initialize(adapter, config)
  config = { config => [] } if config.is_a?(Symbol)

  @adapter = adapter
  @calculations = {}
  @name = config.keys.first
  Array(config.values.first).each { |c| send(:"#{c}!") }
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(meth, *args, &blk) ⇒ Object 



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# File 'lib/jsonapi_compliable/stats/dsl.rb', line 15

def method_missing(meth, *args, &blk)
  @calculations[meth] = blk
end

Instance Attribute Details

#calculations ⇒ Object (readonly)

Returns the value of attribute calculations.



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# File 'lib/jsonapi_compliable/stats/dsl.rb', line 4

def calculations
  @calculations
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/jsonapi_compliable/stats/dsl.rb', line 4

def name
  @name
end

Instance Method Details

#average! ⇒ Object 



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# File 'lib/jsonapi_compliable/stats/dsl.rb', line 32

def average!
  @calculations[:average] = @adapter.method(:average)
end

#calculation(name) ⇒ Object 



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# File 'lib/jsonapi_compliable/stats/dsl.rb', line 19

def calculation(name)
  callable = @calculations[name] || @calculations[name.to_sym]
  callable || raise(Errors::StatNotFound.new(@name, name))
end

#count! ⇒ Object 



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# File 'lib/jsonapi_compliable/stats/dsl.rb', line 24

def count!
  @calculations[:count] = @adapter.method(:count)
end

#maximum! ⇒ Object 



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# File 'lib/jsonapi_compliable/stats/dsl.rb', line 36

def maximum!
  @calculations[:maximum] = @adapter.method(:maximum)
end

#minimum! ⇒ Object 



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# File 'lib/jsonapi_compliable/stats/dsl.rb', line 40

def minimum!
  @calculations[:minimum] = @adapter.method(:minimum)
end

#sum! ⇒ Object 



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# File 'lib/jsonapi_compliable/stats/dsl.rb', line 28

def sum!
  @calculations[:sum] = @adapter.method(:sum)
end