thanhcuong1990

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

thanhcuong1990

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

thanhcuong1990

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

thanhcuong1990

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

thanhcuong1990

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

thanhcuong1990

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

thanhcuong1990

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

thanhcuong1990

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

thanhcuong1990

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

thanhcuong1990

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