view contacts by the letter

app/controllers/contacts_controller.rb

@@ -2,22 +2,11 @@ class ContactsController < ApplicationController
   layout :select_layout
   
   def index
-    @contact_pages = Paginator.new(self, Contact.count("customer_id = #{logged_user}"), CDF::CONFIG[:contacts_per_page], params['page'])
-    @contacts = Contact.find(:all, :conditions=>["customer_id = #{logged_user}"], :order=>['fname'], :limit=>CDF::CONFIG[:contacts_per_page], :offset=>@contact_pages.current.offset)
-    
-    if params["mode"] == "groups"
-      if params["id"] and not params["id"].nil? and not params["id"] == ''
-        @group_id = params["id"].to_i
-        @contacts_for_group = Hash.new
-        for contact in @contacts
-          @contacts_for_group[contact.id] = 0 # initialize
-          for gr in contact.groups
-            if gr.contact_group_id.to_i == @group_id
-              @contacts_for_group[contact.id] = 1 # checked
-            end
-          end
-        end
-      end
+    if params[:letter] && params[:letter].any?
+      @contacts = Contact.for_customer(logged_user).letter(params[:letter]).paginate :page => params[:page],
+        :per_page => CDF::CONFIG[:contacts_per_page]
+    else
+      @contacts = Contact.for_customer(logged_user).paginate :page => params[:page], :per_page => CDF::CONFIG[:contacts_per_page]
     end
   end
   

app/models/contact.rb

@@ -25,6 +25,9 @@ class Contact < ActiveRecord::Base
     }
     result
   end
+
+  named_scope :for_customer, lambda{ |customer_id| {:conditions => {:customer_id => customer_id}} }
+  named_scope :letter, lambda{ |letter| {:conditions => ["contacts.fname LIKE ?", "#{letter}%"]} }
   
   def Contact.find_by_user_letter(user_id, letter)
     find_by_sql("select * from contacts where customer_id=#{user_id} and substr(UPPER(fname),1,1) = '#{letter}' order by fname")

app/views/contacts/index.html.erb

@@ -29,17 +29,15 @@
       <table class="list">
         <tr>
           <td colspan="4" id="alphaListHeader">
-        <% 
-	letters = CDF::CONFIG[:contact_letters]
-        for letterIndex in 0...letters.size
-        letter = letters[letterIndex] %>
-	<%= link_to(letter, :controller=>"contacts", :action=>"listLetter", :id=>letterIndex, :params=>{"mode"=>@mode, "group_id"=>(@group_id ? @group_id : nil)}) %>
-        <% end %>
-	&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<%= link_to(_('Show all'), :controller=>"contact", :action=>"list", :id=>(@group_id ? @group_id : nil), :params=>{"mode"=>@mode})%>
+            <% CDF::CONFIG[:contact_letters].each do |letter| %>
+              <%= link_to letter, contacts_path(:letter => letter) %>
+            <% end %>
+            &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
+            <%= link_to _('Show all'), contacts_path %>
           </td>
         </tr>
         <tr>
-          <td colspan="3"><%= pagination_links @contact_pages, {}, :mode => @mode %></td>
+          <td colspan="3"><%= will_paginate @contacts %></td>
         </tr>
         <% if @mode == "choose" %>	
         <tr>