using_helpers.rb

# Lets talk about helpers!  See once again your main twitter page

# <div class="followers">
#   Followers 
#   <span><%= @followers_count %></span>
#   <% @recent_followers.each do |f| %>
#      <a href="<%= user_path(f) %>">
#         <img src="<%= f.avatar.url(:thumb) %>" />
#      </a>
#   <% end %>
# </div>
# 
# <div class="following">
#   Following
#     <span><%= @following_count %></span>
#   <% @recent_following.each do |f| %>
#     <a href="<%= user_path(f) %>">
#       <img src="<%= f.avatar.url(:thumb) %>" />
#     </a>
#   <% end %>
# </div>

# Not only are each of these cluttered, but they're similar.. Helpers to the rescue:

# <%= follow_box("Followers", @followers_count, @recent_followers) %>
# <%= follow_box("Following", @following_count, @recent_following) %>

# What does that follow_box code look like?

def follow_box(title, count, recent)
  str = "<div class=\"#{title.downcase}\">" + 
        "#{title}<span>#{count}</span>"
  recent.each do |f|
    str += "<a href=\"#{user_path(f)}\">"
    str += "<img src=\"#{f.avatar.url(:thumb)}\">"
    str += "</a>"
  end
  raw(str += "</div>")
end

# Buncha stuff wrong with this... first of all .. us a proper link and image_tag block syntax

def follow_box(title, count, recent)
  str = "<div class=\"#{title.downcase}\">" +
        "#{title}<span>#{count}</span>"
  recent.each do |user|
    str += link_to user do
      image_tag(user.avatar.url(:thumb))
    end
  end
  raw(str += "</div>")
end

# next up, use a content_tag so you don't have messy html 

def follow_box(title, count, recent)
  content_tag :div, :class => title.downcase do
    str = title + content_tag(:span, count)
    recent.each do |user|
      str += link_to user do
        image_tag(user.avatar.url(:thumb))
      end
    end
    raw(str)
  end
end

# Now we can get rid of the string!  w00t.

def follow_box(title, count, recent)
  content_tag :div, :class => title.downcase do
    raw(
      title + 
      content_tag(:span, count) + 
      recent.collect do |user|
        link_to user do
          image_tag(user.avatar.url(:thumb))
        end
      end.join
      )
  end
end

# Helper win!