Class: Upmin::Model

Inherits:
Object
  • Object
show all
Defined in:
lib/upmin/model.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(rails_model, options = {}) ⇒ Model

Returns a new instance of Model.



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# File 'lib/upmin/model.rb', line 7

def initialize(rails_model, options = {})
  self.rails_model = rails_model

  if options[:color]
    self.color = options[:color]
  end
end

Instance Attribute Details

#color ⇒ Object

Returns the value of attribute color.



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# File 'lib/upmin/model.rb', line 5

def color
  @color
end

#rails_model ⇒ Object

Returns the value of attribute rails_model.



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# File 'lib/upmin/model.rb', line 4

def rails_model
  @rails_model
end

Class Method Details

.all ⇒ Object

TODO(jon): Store this in the future so it doesn’t have to be looked up every call.



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# File 'lib/upmin/model.rb', line 98

def Model.all
  return @models_array if defined?(@models_array)
  models_array = []
  colors = [
    :light_blue,
    :blue_green,
    :red,
    :yellow,
    :orange,
    :purple,
    :dark_blue,
    :dark_red,
    :green
  ]

  rails_models.each_with_index do |rails_model, i|
    ac_model = Model.new(rails_model, color: colors[i % colors.length])
    models_array << ac_model
  end

  return @models_array = models_array
end

.find(name) ⇒ Object

Generic Class Methods



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# File 'lib/upmin/model.rb', line 93

def Model.find(name)
  return all.select{|a| a.to_s == name.to_s}.first
end

.rails_models ⇒ Object 



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# File 'lib/upmin/model.rb', line 121

def Model.rails_models
  ::Rails.application.eager_load!
  rails_models = ::ActiveRecord::Base.descendants.select do |m|
    m.to_s != "ActiveRecord::SchemaMigration"
  end

  return rails_models
end

Instance Method Details

#attributes ⇒ Object

Methods for determinining attributes, and their types.



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# File 'lib/upmin/model.rb', line 71

def attributes
  return @attributes if defined?(@attributes)

  attributes = {}
  rails_model.upmin_attributes.each do |u_attr|
    attributes[u_attr] = {}
    attributes[u_attr][:type] = get_attr_type(u_attr)
  end

  return @attributes = attributes
end

#find(id) ⇒ Object

Wrapper methods that the normal model would have access to



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# File 'lib/upmin/model.rb', line 33

def find(id)
  return rails_model.find(id)
end

#form_name ⇒ Object Also known as: partial_name 



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# File 'lib/upmin/model.rb', line 27

def form_name
  return rails_model.name.underscore
end

#get_attr_type(attr_name) ⇒ Object 



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# File 'lib/upmin/model.rb', line 83

def get_attr_type(attr_name)
  if uc = rails_model.columns_hash[attr_name.to_s]
    return uc.type
  else
    return :unknown
  end
end

#name ⇒ Object 



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# File 'lib/upmin/model.rb', line 19

def name
  return rails_model.name
end

#perform_action(instance, method, arguments) ⇒ Object

Methods that perform actions on an instance but require some prep and logic ahead of time that shouldn’t be injected into the active record.



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# File 'lib/upmin/model.rb', line 48

def perform_action(instance, method, arguments)
  raise "Invalid method: #{method}" unless upmin_methods.include?(method.to_sym)

  params = instance.method(method).parameters
  args_to_send = []
  params.each do |type, name|
    if type == :req
      raise "Missing argument: #{name}" unless arguments[name]
      args_to_send << arguments[name]
      puts "Added: #{arguments[name].inspect}"
    elsif type == :opt
      puts arguments.inspect
      args_to_send << arguments[name] if arguments[name]
      puts "Added: #{arguments[name].inspect}"
    else # :block or ??
      next
    end
  end
  return instance.send(method, *args_to_send)
end

#search(*args) ⇒ Object Also known as: ransack 



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# File 'lib/upmin/model.rb', line 37

def search(*args)
  return self.rails_model.ransack(*args)
end

#to_s ⇒ Object 



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# File 'lib/upmin/model.rb', line 15

def to_s
  return rails_model.to_s
end

#u_name ⇒ Object 



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# File 'lib/upmin/model.rb', line 23

def u_name
  return rails_model.upmin_name
end

#upmin_methods ⇒ Object 



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# File 'lib/upmin/model.rb', line 42

def upmin_methods
  return self.rails_model.upmin_methods
end