Class: LeanModel::Base

Inherits:
Object
  • Object
show all
Extended by:
ActiveModel::Naming, ActiveModel::Translation
Includes:
ActiveModel::AttributeMethods, ActiveModel::Conversion, ActiveModel::Validations
Defined in:
lib/lean_model/base.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(attributes = {}) ⇒ Base

Returns a new instance of Base.



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# File 'lib/lean_model/base.rb', line 20

def initialize(attributes = {})
  attributes.each do |attr, value|
    self.send("#{attr}=",value)
  end unless attributes.blank?
end

Instance Attribute Details

#database_token ⇒ Object

Returns the value of attribute database_token.



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

def database_token
  @database_token
end

#doc_id ⇒ Object

Returns the value of attribute doc_id.



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# File 'lib/lean_model/base.rb', line 10

def doc_id
  @doc_id
end

Class Method Details

.attributes(*names) ⇒ Object 



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

def self.attributes(*names)
  attr_accessor *names

  define_attribute_methods names
  self._attributes += names
end

Instance Method Details

#all ⇒ Object 



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# File 'lib/lean_model/base.rb', line 59

def all
 #returns hash of all key/values in the database
 docs = Couchdb.docs_from database,token
end

#attributes ⇒ Object 



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

def attributes
 self._attributes.inject({}) do |hash,attr|
   hash[attr.to_s] = send(attr)
   hash
 end
end

#config(token) ⇒ Object

database functions



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# File 'lib/lean_model/base.rb', line 45

def config(token)
  @database_token = token
end

#database ⇒ Object 



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# File 'lib/lean_model/base.rb', line 55

def database
  self.class.name.split('::').last.downcase + 's'
end

#destroy ⇒ Object 



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# File 'lib/lean_model/base.rb', line 99

def destroy
  #delete this model from database
  doc = {:database => database, :doc_id => @doc_id}
  Couchdb.delete_doc doc,token
end

#find(id) ⇒ Object 



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# File 'lib/lean_model/base.rb', line 64

def find(id)
 #returns a model object with the given ID
 doc = {:database => database, :doc_id => id}
 hash = Couchdb.view doc,token
end

#persisted? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/lean_model/base.rb', line 40

def persisted?
  false
end

#save ⇒ Object 



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# File 'lib/lean_model/base.rb', line 70

def save
  #save this model object to database
  if self.valid?
   @doc_id = UUIDTools::UUID.random_create.to_s
   doc = { :database => database, :doc_id => @doc_id, :data => attributes}   
   Couchdb.create_doc doc,token
   true
  else
   false
  end
end

#service ⇒ Object 



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

def service
 self
end

#token ⇒ Object 



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# File 'lib/lean_model/base.rb', line 49

def token
 if @database_token.lambda?
    @database_token.call
 end
end

#update_attributes(hash) ⇒ Object 



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# File 'lib/lean_model/base.rb', line 86

def update_attributes(hash)
  #update this model on database
  if self.valid?
   id = hash[:id]
   hash.delete(:id)
   doc = { :database => database, :doc_id => id, :data => hash}   
   Couchdb.update_doc doc,token
   true
  else
   false
  end
end