Articles by author snippet

app/cells/content/articles_authors_list.html.erb

@@ -0,0 +1,6 @@
+<h3>Authors</h3>
+<ul>
+  <% @authors.each do |author| %>
+  <li><%= link_to "#{author.firstname} #{author.lastname} (#{author.articles.count})", "#{@url}?author=#{author.pretty_url}" %></li>
+  <% end %>
+</ul>

app/cells/content/articles_categories_list.html.erb

@@ -1,3 +1,4 @@
+<h3>Categories</h3>
 <ul>
   <% @categories.each do |category| %>
   <li><%= link_to "#{category.name} (#{category.articles_count})", "#{@url}?category=#{category.pretty_url}" %></li>

app/cells/content_cell.rb

@@ -27,8 +27,19 @@ def articles_list(args)
       @articles = @articles.where("categorizations.category_id IN (?)", args[:options][:categories]) if args[:options][:categories]
     else
       # show only current category
-      @meta_title = I18n.t 'public.articles.category', :name => Category.find_by_pretty_url( params[:category] ).name
-      @articles = @articles.joins(:categories).where( "categories.pretty_url = ?", params[:category] )
+      category = Category.find_by_pretty_url( params[:category] )
+      if category
+        @meta_title = I18n.t 'public.articles.category', :name => category.name
+        @articles = @articles.joins(:categories).where( "categories.pretty_url = ?", params[:category] )
+      end
+    end
+
+    unless params[:author].blank?
+      author = User.find_by_pretty_url( params[:author] )
+      if author
+        @meta_title = I18n.t 'public.articles.author', :name => "#{author.firstname} #{author.lastname}"
+        @articles = @articles.joins(:user).where( "users.pretty_url" => params[:author])
+      end
     end
 
     per_page = ( args[:options][:per_page].blank? )? 10 : args[:options][:per_page]
@@ -43,6 +54,12 @@ def articles_categories_list(args)
     render
   end
 
+  def articles_authors_list(args)
+    @authors = User.active_writers
+    @url = args[:options][:archive_url]
+    render
+  end
+
   def twitter_stream(args)
     render
   end

app/cells/content_cell.yml

@@ -29,6 +29,11 @@ cell:
             desc:   List all the categories with published articles
             serialized_attributes:
                 archive_url: string
+        -   name:   Articles Authors
+            method: articles_authors_list
+            desc:   List all the users with published articles
+            serialized_attributes:
+                archive_url: string
         -   name:   Twitter stream
             method: twitter_stream
             desc:   Stream of tweets from a twitter account

app/models/user.rb

@@ -5,7 +5,7 @@ class User < ActiveRecord::Base
 
   # Setup accessible (or protected) attributes for your model
   attr_accessible :firstname, :lastname, :email, :password, :password_confirmation, :remember_me, :lang, :pretty_url
-  
+
   has_many :grades
   has_many :roles, :through => :grades
   accepts_nested_attributes_for :grades
@@ -19,11 +19,13 @@ class User < ActiveRecord::Base
   validates :lastname, :presence => true
   validates :password, :presence => true, :length => { :minimum => 8 }
   validates :password_confirmation, :presence => true, :length => { :minimum => 8 }
-  
+
   scope :admins, includes(:grades, :roles).where("roles.name = ?", "admin")
   scope :writers, includes(:grades, :roles).where("roles.name = ?", "article_writer")
   scope :premiums, includes(:grades, :roles).where("roles.name = ?", "premium_user")
 
+  scope :active_writers, joins(:articles).select('DISTINCT users.*')
+
   # = CSV export =
   comma do
     id

config/locales/en.yml

@@ -260,6 +260,7 @@ en:
       article: Article
       all_categories: "All categories"
       category: "Articles in category %{name}"
+      author: "Articles by %{name}"
     pages:
       pages: Pages
       page: Page

config/locales/it.yml

@@ -253,6 +253,7 @@ it:
       article: Articolo
       all_categories: "Tutte le categorie"
       category: "Articoli nella categoria %{name}"
+      author: "Articoli di %{name}"
     pages:
       pages: Pagine
       page: Pagina