Class: MLS::Resource

Inherits:
Object
  • Object
show all
Defined in:
lib/mls/resource.rb

Direct Known Subclasses

Account, Address, Floorplan, Flyer, Listing, PDF, Photo, Region, Tour, Video

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(attributes = {}, persisted = false) ⇒ Resource

Returns a new instance of Resource.



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# File 'lib/mls/resource.rb', line 10

def initialize(attributes = {}, persisted = false)
  @persisted = persisted
  @errors = {}
  
  set_default_values
  update_attributes(attributes)
end

Instance Attribute Details

#errors ⇒ Object

Returns the value of attribute errors.



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# File 'lib/mls/resource.rb', line 4

def errors
  @errors
end

#persisted ⇒ Object (readonly)

Returns the value of attribute persisted.



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# File 'lib/mls/resource.rb', line 3

def persisted
  @persisted
end

Class Method Details

.inherited(subclass) ⇒ Object 



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# File 'lib/mls/resource.rb', line 6

def self.inherited(subclass)
  subclass.extend(MLS::Model)
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/mls/resource.rb', line 42

def ==(other)
  self.class == other.class && properties_for_comparison == other.properties_for_comparison
end

#create! ⇒ Object 



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# File 'lib/mls/resource.rb', line 38

def create!
  create || raise(MLS::Exception::RecordInvalid)
end

#new_record? ⇒ Boolean

Returns:



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# File 'lib/mls/resource.rb', line 18

def new_record?
  !@persisted
end

#persisted? ⇒ Boolean

Returns:



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# File 'lib/mls/resource.rb', line 22

def persisted?
  @persisted
end

#properties ⇒ Object

Properties ===================================================================================================



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# File 'lib/mls/resource.rb', line 48

def properties
  self.class.properties
end

#properties_excluded_from_comparison ⇒ Object 



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# File 'lib/mls/resource.rb', line 60

def properties_excluded_from_comparison
  self.class.properties_excluded_from_comparison
end

#properties_for_comparison ⇒ Object 



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# File 'lib/mls/resource.rb', line 52

def properties_for_comparison
  compare = {}
  properties.reject{ |k, p| properties_excluded_from_comparison.include?(k) }.each do |k, p|
    compare[k] = self.send(properties[k].name.to_sym)
  end
  compare
end

#save ⇒ Object 



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# File 'lib/mls/resource.rb', line 26

def save
  new_record? ? create : update
end

#save! ⇒ Object 



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# File 'lib/mls/resource.rb', line 30

def save!
  new_record? ? create! : update!
end

#set_default_values ⇒ Object 



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# File 'lib/mls/resource.rb', line 64

def set_default_values
  properties.each do |name, property|
    self.send("#{name}=".to_sym, property.default) if property.default
  end
end

#to_hash ⇒ Object

Combo Breaker ================================================================================================



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# File 'lib/mls/resource.rb', line 76

def to_hash
  hash = {}
  
  properties.each do |name, property|
    serialize = property.options[:serialize]
    serialize = :always if serialize.nil?
    case serialize
    when :always
      hash[name] = property.dump(self.send(name))
    when :if_present
      hash[name] = property.dump(self.send(name)) if self.send(name)
    end
  end
  
  hash
end

#to_key ⇒ Object

for rails form stuff



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# File 'lib/mls/resource.rb', line 95

def to_key
  persisted? ? [id] : nil
end

#update! ⇒ Object 



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# File 'lib/mls/resource.rb', line 34

def update!
  update || raise(MLS::Exception::RecordInvalid)
end

#update_attributes(attrs) ⇒ Object 



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# File 'lib/mls/resource.rb', line 70

def update_attributes(attrs)
  attrs.each { |k, v| self.send("#{k}=".to_sym, v) } unless attrs.nil?
end