Class: CafeCar::ModelInfo

Inherits:
Object
  • Object
show all
Includes:
Caching
Defined in:
lib/cafe_car/model_info.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Caching

#cache

Constructor Details

#initialize(model:) ⇒ ModelInfo

Returns a new instance of ModelInfo.



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# File 'lib/cafe_car/model_info.rb', line 13

def initialize(model:)
  @model  = model
  @field  = {}
end

Instance Attribute Details

#model ⇒ Object (readonly)

Returns the value of attribute model.



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# File 'lib/cafe_car/model_info.rb', line 5

def model
  @model
end

Class Method Details

.find(object) ⇒ Object 



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# File 'lib/cafe_car/model_info.rb', line 7

def self.find(object)
  model = object.is_a?(Class) ? object : object.class
  @cache        ||= {}
  @cache[model] ||= new(model:)
end

Instance Method Details

#columns ⇒ Object 



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# File 'lib/cafe_car/model_info.rb', line 18

def columns         = model.column_names

#field(method) ⇒ Object 



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# File 'lib/cafe_car/model_info.rb', line 20

def field(method)   = @field[method]   ||= FieldInfo.new(model:, method:)

#field_names ⇒ Object 



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# File 'lib/cafe_car/model_info.rb', line 19

def field_names     = model.column_names | model.reflect_on_all_attachments.map(&:name)