Class: Maily::Email

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, mailer) ⇒ Email

Returns a new instance of Email.



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# File 'lib/maily/email.rb', line 5

def initialize(name, mailer)
  self.name          = name.to_s
  self.mailer        = mailer
  self.arguments     = nil
  self.template_path = mailer
  self.description   = nil
end

Instance Attribute Details

#arguments ⇒ Object

Returns the value of attribute arguments.



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# File 'lib/maily/email.rb', line 3

def arguments
  @arguments
end

#description ⇒ Object

Returns the value of attribute description.



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# File 'lib/maily/email.rb', line 3

def description
  @description
end

#mailer ⇒ Object

Returns the value of attribute mailer.



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# File 'lib/maily/email.rb', line 3

def mailer
  @mailer
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/maily/email.rb', line 3

def name
  @name
end

#template_path ⇒ Object

Returns the value of attribute template_path.



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# File 'lib/maily/email.rb', line 3

def template_path
  @template_path
end

Instance Method Details

#base_path(part) ⇒ Object 



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# File 'lib/maily/email.rb', line 73

def base_path(part)
  "#{Rails.root}/app/views/#{template_path}/#{name}.#{part}.erb"
end

#call ⇒ Object 



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# File 'lib/maily/email.rb', line 63

def call
  *args = arguments && arguments.map { |arg| arg.respond_to?(:call) ? arg.call : arg }

  if args == [nil]
    mailer_klass.public_send(name)
  else
    mailer_klass.public_send(name, *args)
  end
end

#mailer_klass ⇒ Object 



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# File 'lib/maily/email.rb', line 59

def mailer_klass
  mailer_klass_name.constantize
end

#mailer_klass_name ⇒ Object 



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# File 'lib/maily/email.rb', line 55

def mailer_klass_name
  mailer.camelize
end

#optional_arguments ⇒ Object 



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# File 'lib/maily/email.rb', line 25

def optional_arguments
  parameters.select { |param| param.first == :opt }.map(&:last)
end

#parameters ⇒ Object 



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# File 'lib/maily/email.rb', line 13

def parameters
  mailer_klass.instance_method(name).parameters
end

#path(part = nil) ⇒ Object 



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# File 'lib/maily/email.rb', line 77

def path(part = nil)
  if part
    base_path(part)
  else
    if File.exist?(path('html'))
      base_path('html')
    else
      base_path('text')
    end
  end
end

#register_hook(*args) ⇒ Object 



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# File 'lib/maily/email.rb', line 43

def register_hook(*args)
  args = args.flatten

  if args.last.is_a?(Hash)
    self.description = args.last.delete(:description)
    self.template_path = args.last.delete(:template_path)
    args.pop
  end

  self.arguments = args
end

#require_hook? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/maily/email.rb', line 17

def require_hook?
  parameters.any?
end

#required_arguments ⇒ Object 



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# File 'lib/maily/email.rb', line 21

def required_arguments
  parameters.select { |param| param.first == :req }.map(&:last)
end

#template(part = nil) ⇒ Object 



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# File 'lib/maily/email.rb', line 89

def template(part = nil)
  File.read(path(part))
end

#update_template(new_content, part = nil) ⇒ Object 



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# File 'lib/maily/email.rb', line 93

def update_template(new_content, part = nil)
  File.open(path(part), 'w') do |f|
    f.write(new_content)
  end
end

#validate_arguments ⇒ Object 



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# File 'lib/maily/email.rb', line 29

def validate_arguments
  from = required_arguments.size
  to = from + optional_arguments.size
  passed_by_hook = arguments && arguments.size || 0

  if passed_by_hook < from
    [false, "#{name} email requires at least #{from} arguments, passed #{passed_by_hook}"]
  elsif passed_by_hook > to
    [false, "#{name} email requires at the most #{to} arguments, passed #{passed_by_hook}"]
  else
    [true, nil]
  end
end