Class: Deadlift::Base

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

Defined Under Namespace

Classes: NullResult

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(params) ⇒ Base

Returns a new instance of Base.



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# File 'lib/deadlift/base.rb', line 26

def initialize(params)
  klass = self.class
  @params = params
  @barbell = klass.barbell(@params)
  klass.get_default_trainers.each{|trainer| add_trainer(trainer)}
end

Instance Attribute Details

#barbell ⇒ Object (readonly)

Returns the value of attribute barbell.



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

def barbell
  @barbell
end

Class Method Details

.barbell(params = {}) ⇒ Object 



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# File 'lib/deadlift/base.rb', line 5

def self.barbell(params = {})
  Deadlift::Barbell::Default.new(params)
end

.default_trainers(*trainers) ⇒ Object 



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# File 'lib/deadlift/base.rb', line 22

def self.default_trainers(*trainers)
  @default_trainers = trainers
end

.get_default_trainers ⇒ Object 



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# File 'lib/deadlift/base.rb', line 18

def self.get_default_trainers
  Array(@default_trainers)
end

.validate(*messages) ⇒ Object 



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# File 'lib/deadlift/base.rb', line 9

def self.validate(*messages)
  @validations ||= []
  validations.concat messages
end

.validations ⇒ Object 



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

def self.validations
  @validations
end

Instance Method Details

#add_trainer(*trainers) ⇒ Object 



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# File 'lib/deadlift/base.rb', line 33

def add_trainer(*trainers)
  self.trainers.concat trainers
  self
end

#barbell_approved? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/deadlift/base.rb', line 65

def barbell_approved?
  return false unless barbell.approved?
  Array(self.class.validations).each do |message|
    self.send message
  end
  Array(barbell.errors).empty?
end

#interaction ⇒ Object 



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

def interaction
  self.class.name.demodulize.underscore.to_sym
end

#perform_and_report_for_valid(&block) ⇒ Object 



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# File 'lib/deadlift/base.rb', line 38

def perform_and_report_for_valid(&block)
  if barbell_approved?
    yield
    report :success
  else
    report :failure
  end
end

#performance ⇒ Object 



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# File 'lib/deadlift/base.rb', line 73

def performance
  @performance ||= Deadlift::Performance.new(barbell, result, interaction)
end

#report(type) ⇒ Object 



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# File 'lib/deadlift/base.rb', line 51

def report(type)
  trainers.each do |trainer|
    trainer.public_send("#{type}", performance)
  end
  nil
end

#report_progress(performance) ⇒ Object 



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# File 'lib/deadlift/base.rb', line 58

def report_progress(performance)
  trainers.each do |trainer|
    trainer.public_send(:progress, performance)
  end
  nil
end

#result ⇒ Object

Override if needed



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# File 'lib/deadlift/base.rb', line 78

def result
  NullResult.new
end

#trainers ⇒ Object 



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# File 'lib/deadlift/base.rb', line 47

def trainers
  @trainers ||= []
end