Cuong Lam thanhcuong1990

## topic(3).rb
# /app/models/topic.rb
class Topic < ActiveRecord::Base
  scope :trending, lambda { |num| where('started_trending > ?', 1.day.ago).
                                  order('mentions desc').
                                  limit(num) }
  # ...
end

## posts_controller(8).rb
# /app/controllers/posts_controller.rb
def index
  @trending = Topic.trending(7)
  # ...
end

## topic(2).rb
# /app/models/topic.rb
class Topic < ActiveRecord::Base
  scope :trending,lambda { where('started_trending > ?', 1.day.ago).order('mentions desc') }
  # ...
end

## posts_controller(7).rb
# /app/controllers/posts_controller.rb
def index
  @trending = Topic.trending.limit(7)
  # ...
end

## topic(1).rb
# /app/models/topic.rb
class Topic < ActiveRecord::Base
  scope :trending, where('started_trending > ?', 1.day.ago).
                   order('mentions desc')
end

## posts_controller(6).rb
# /app/controllers/posts_controller.rb
def index
  @trending = Topic.trending.limit(7)
  # ...
end

## post(3).rb
# /app/models/post.rb
class Post < ActiveRecord::Base
  default_scope order('created_at desc')
  # ...
end

## posts_controller(5).rb
# /app/controllers/posts_controller.rb
def index
  @posts = current_user.posts.limit(10)
  # ...
end

## post(2).rb
# /app/models/post.rb
class Post < ActiveRecord::Base
  scope :recent, order('created_at desc')
  # ...
end

## posts_controller(4).rb
# /app/controllers/posts_controller.rb
def index
  @posts = current_user.posts.recent.limit(10)
  #...
end
	# /app/models/topic.rb
	class Topic < ActiveRecord::Base
	scope :trending, lambda { \|num\| where('started_trending > ?', 1.day.ago).
	order('mentions desc').
	limit(num) }
	# ...
	end
	# /app/controllers/posts_controller.rb
	def index
	@trending = Topic.trending(7)
	# ...
	end
	# /app/models/topic.rb
	class Topic < ActiveRecord::Base
	scope :trending,lambda { where('started_trending > ?', 1.day.ago).order('mentions desc') }
	# ...
	end
	# /app/controllers/posts_controller.rb
	def index
	@trending = Topic.trending.limit(7)
	# ...
	end
	# /app/models/topic.rb
	class Topic < ActiveRecord::Base
	scope :trending, where('started_trending > ?', 1.day.ago).
	order('mentions desc')
	end
	# /app/models/post.rb
	class Post < ActiveRecord::Base
	default_scope order('created_at desc')
	# ...
	end
	# /app/controllers/posts_controller.rb
	def index
	@posts = current_user.posts.limit(10)
	# ...
	end
	# /app/models/post.rb
	class Post < ActiveRecord::Base
	scope :recent, order('created_at desc')
	# ...
	end
	# /app/controllers/posts_controller.rb
	def index
	@posts = current_user.posts.recent.limit(10)
	#...
	end