Module: Querii::QueryObject::ClassMethods

Defined in:
lib/querii/query_object.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#model_name ⇒ Object

optionally override the default determined by top level namespace



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# File 'lib/querii/query_object.rb', line 15

def model_name
  @model_name
end

Instance Method Details

#call(*args, relation: base_class.all, **kargs) ⇒ Object Also known as: all 



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# File 'lib/querii/query_object.rb', line 17

def call(*args, relation: base_class.all, **kargs)
  relation.extending(self::Scopes).default(*args, **kargs)
end

#default_scope(scope = nil) ⇒ Object 



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# File 'lib/querii/query_object.rb', line 41

def default_scope(scope = nil)
  scope = Proc.new if block_given?
  scope(:default, scope)
end

#scope(name, body, &block) ⇒ Object 



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# File 'lib/querii/query_object.rb', line 23

def scope(name, body, &block)
  unless body.respond_to?(:call)
    raise ArgumentError, 'The scope body needs to be callable.'
  end

  self::Scopes.send(:define_method, name) do |*args, **kargs|
    # unfortunately empty double splatted kargs still count as arguments
    # for a lambda's argument arity checking
    if kargs.empty?
      scope = all.scoping { instance_exec(*args, &body) }
    else
      scope = all.scoping { instance_exec(*args, **kargs, &body) }
    end

    scope || all
  end
end