Module: Multitenancy::ModelExtensions::ClassMethods

Defined in:
lib/multitenancy/model_extensions.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.is_scoped_by_tenant? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/multitenancy/model_extensions.rb', line 15

def self.is_scoped_by_tenant?
  true
end

Instance Method Details

#acts_as_tenant(tenant_id, sub_tenant_id = nil) ⇒ Object 



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# File 'lib/multitenancy/model_extensions.rb', line 12

def acts_as_tenant(tenant_id, sub_tenant_id=nil)
  raise "tenant_id can't be nil! [Multitenancy]" unless tenant_id
  
  def self.is_scoped_by_tenant?
    true
  end
  
  Multitenancy.tenant_field = tenant_id
  Multitenancy.sub_tenant_field = sub_tenant_id
  
  # set the current_tenant on newly created objects
  before_validation Proc.new {|m|
    tenant = Multitenancy.current_tenant
    return unless tenant && tenant.tenant_id
    m.send "#{tenant_id}=".to_sym, tenant.tenant_id
    m.send "#{sub_tenant_id}=".to_sym, tenant.sub_tenant_id
  }, :on => :create
  
  # set the default_scope to scope to current tenant
  default_scope lambda {
    tenant = Multitenancy.current_tenant
    if tenant && tenant.tenant_id
      conditions = {}
      conditions[tenant_id] = tenant.tenant_id
      conditions[sub_tenant_id] = tenant.sub_tenant_id if sub_tenant_id && tenant.sub_tenant_id
      where(conditions)
    end
  }
  
  # Rewrite accessors to make tenantimmutable
  define_method "#{tenant_id}=" do |value|
    if new_record?
      write_attribute(tenant_id, value)
    else
      raise "#{tenant_id} is immutable! [Multitenancy]"
    end
  end
  
  # Rewrite accessors to make sub_tenant immutable
  define_method "#{sub_tenant_id}=" do |value|
    if new_record?
      write_attribute(sub_tenant_id, value)
    else
      raise "#{sub_tenant_id} is immutable! [Multitenancy]"
    end
  end
end

#validates_uniqueness_to_tenant(fields, args = {}) ⇒ Object 



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# File 'lib/multitenancy/model_extensions.rb', line 60

def validates_uniqueness_to_tenant(fields, args ={})
  raise "[Multitenancy] validates_uniqueness_to_tenant: no current tenant" unless respond_to?(:is_scoped_by_tenant?)
  tenant_id = lambda {Multitenancy.tenant_field.downcase}.call
  sub_tenant_id = Multitenancy.sub_tenant_field ? lambda {Multitenancy.sub_tenant_field.downcase}.call : nil 
  
  if args[:scope].nil?
    args[:scope] = [tenant_id]
  else
    args[:scope] << tenant_id
  end
  args[:scope] = sub_tenant_id if sub_tenant_id
  validates_uniqueness_of(fields, args)
end