Replaced IndexController by Home- and FoodcoopController. Some reorganizing in groups/memberships-logic (moved memberships out of admin-namespace).

app/views/home/_start_nav.haml

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+%h2=    _('Go to ...')
+%ul
+  %li
+    = _('FoodCoop')
+    %ul
+      %li= link_to _("Member list"), :controller => "index", :action => "foodcoop_members"
+      %li= link_to _("My tasks"), :controller => "tasks", :action => "myTasks"
+      %li= link_to _("Write message"), :controller => "messages", :action => "new"
+  
+  // Orders
+  - hasOrdergroup = !@current_user.find_ordergroup.nil?
+  - hasOrdersRole = @current_user.role_orders?
+  - if hasOrdergroup || hasOrdersRole
+    %li
+      = _("Orders")
+      %ul
+        - if hasOrdergroup
+          %li= link_to _('Order summary'), :controller => "ordering"
+        - if hasOrdersRole
+          %li= link_to _('Finish order'), :controller => 'orders'
+  // Articles
+  - if @current_user.role_article_meta? || @current_user.role_suppliers?
+    %li
+      = _("Artcle management")
+      %ul
+        %li= link_to _("Refresh articles"), :controller => "articles", :action => 'list'
+        %li= link_to _("Suppliers"), :controller => 'suppliers', :action => 'list'
+  
+  // Finance
+  - if @current_user.role_finance?
+    %li
+      = _('Financial management')
+      %ul
+        %li= link_to _("Update account balances"), :controller => 'finance', :action => 'new_transactions'
+        %li= link_to _('Cancel orders'), :controller => 'finance'
+  
+  // Administration
+  - if @current_user.role_admin?
+    %li 
+      = _('Administration')
+      %ul
+        %li= link_to _("New ordergroup"), :controller => "admin", :action => "newOrdergroup"
+        %li= link_to _("New user"), :controller => "admin", :action => "newUser"  

app/views/home/index.html.haml

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+%h1 Startseite
+
+#start_nav
+  = render :partial => 'start_nav'
+
+.right_column{:style => "width:70%"}
+  - unless @unaccepted_tasks.empty? && @next_tasks.empty? && @unassigned_tasks_number == 0
+    .box_title 
+      %h2=_ "Tasks"
+    .column_content
+      -unless @next_tasks.empty?
+        %div{:style => "float:left, margin-bottom:2em"}
+          %h3=_ "Your tasks for the upcoming week:"
+          %table{:style => "width:25em"}
+            -for task in @next_tasks
+              %tr
+                %td= format_date task.due_date
+                %td
+                  %b= task.name
+          
+      - unless @unaccepted_tasks.empty?
+        %h3=_ "Accept tasks"
+        = _("Your are responsible for a few tasks.")
+        = link_to _("Accept/Reject tasks"), :controller => "tasks", :action => "myTasks"
+      - unless @unassigned_tasks_number == 0
+        %h3=_ "Unassigned tasks"
+        = _("There are") + " #{@unassigned_tasks_number} " + link_to(_("unassigned task(s)"), :controller => "tasks")
+      %p{:style => "clear:both"}= link_to _("My tasks"), :controller => "tasks", :action => "myTasks"
+
+  - unless @messages.empty?
+    .box_title 
+      %h2=_ "Unread messages"
+    .column_content
+      = render :partial => 'messages/unread'
+      %p= link_to _("All messages"), :controller => 'messages', :action => 'inbox'
+
+  - if @orderGroup
+    // Current orders
+    = render :partial => 'ordering/currentOrders'
+
+  // Ordergroup overview
+  .box_title
+    %h2=_ "My ordergroup"
+  .column_content
+    %p
+      %b= @orderGroup.name
+      |
+      =_ "Account balance:"
+      = number_to_currency(@orderGroup.account_balance)
+      %span{:style => "color:grey"}
+        (zuletzt aktualisiert vor
+        = distance_of_time_in_words(Time.now, @orderGroup.account_updated) + ")"
+      %h3=_ "Last transactions"
+      %table
+        %tr
+          %th=_ "When"
+          %th=_ "Who"
+          %th=_ "Note"
+          %th=_ "Amount"
+        - for ft in @financial_transactions
+          %tr{:class => cycle('even','odd')}
+            %td= format_time(ft.created_on)
+            %td= h(ft.user.nil? ? '?' : ft.user.nick)
+            %td= h(ft.note)
+            - color = ft.amount < 0 ? 'red' : 'black'
+            %td{:style => "color:#{color}; width:5em", :class => "currency"}= number_to_currency(ft.amount)
+      %br/
+      = link_to _("more ..."), :action => "myOrdergroup"

app/views/home/ordergroup.html.erb

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+<h1>Meine Bestellgruppe</h1>
+<div class="left_column">
+  <div class="box_title"><h2><%=h @ordergroup.name %></h2></div>
+  <div class="column_content">
+    <p><b>Beschreibung:</b> <%=h @ordergroup.description %>
+    <%= link_to '(ändern)', :controller => 'foodcoop', :action => 'edit_group', :id => @ordergroup %>
+    </p>
+    <p><b>Gruppengröße:</b> <%=h @ordergroup.actual_size %></p>
+    <p><b>Kontostand:</b> <%= number_to_currency(@ordergroup.account_balance) %></p>
+    <h2>Personen</h2>
+    <ul style="list-style-type:decimal;">
+    <% for membership in @ordergroup.memberships %>
+      <li>
+        <%= link_to membership.user.nick, :controller => 'index', :action => 'showUser', :id => membership.user %>
+      </li>
+    <% end %>
+    </ul>
+    <%= link_to('Hinzufügen/entfernen', :action => 'members', :id => @ordergroup) %> |
+    <%= link_to('Person einladen', :action => 'invite', :id => @ordergroup) %>
+  </div>
+</div>
+
+<div class="right_column">
+  <div class="box_title"><h2>Kontoauszug</h2></div>
+  <div class="column_content">
+  <p>
+    <form name="sform" action="" style="display:inline;">
+    <label for="financial_transaction_note">Filter für Notizen: </label>
+    <%= text_field_tag("query", params['query'], :size => 10 ) %>
+    </form>
+   </p>
+   <%= observe_field 'query',  :frequency => 2,
+         :before => "Element.show('loader')",
+         :success => "Element.hide('loader')",
+         :url => {:action => 'ordergroup'},
+         :with => 'query',
+         :update => 'transactions' %>
+    <div id="transactions">
+      <%= render :partial => "/finance/transactions/list" %>
+    </div>
+  </div>
+</div>
+

app/views/home/profile.html.erb

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+<% title "Mein Profil" -%>
+
+<p>
+  Hier kannst Du deine Einstellungen ändern, z.b. Deine Telphonnummer oder Dein Passwort.
+</p>
+
+<div class="left_column" style="width: 60%;">
+  <div class="box_title">
+    <h2>
+      Nickname: <%= h @user.nick %>
+      <small>(Mitglied seit: <%= distance_of_time_in_words(Time.now, @user.created_on) -%>)</small>#
+    </h2>
+  </div>
+  <div class="column_content">
+    <% form_for(@user, :url => { :action => 'update_profile'}) do |@form| %>
+      <%= render :partial => 'shared/user_form' %>
+      <p style="clear:both">
+      <%= submit_tag 'Speichern' %> | <%= link_to 'Abbrechen', :action => 'profile' %></p>
+    <% end %>
+  </div>
+</div>
+
+<div class="right_column" style="width: 35%;">
+  <div class="box_title">
+    <h2>Du bist Mitglied in folgenden Gruppen</h2>
+  </div>
+  <div class="column_content">
+    <% for membership in Membership.find_all_by_user_id(@user.id) %>
+    <p>
+        <%= membership.group.name %>
+        <% if membership.group.type != 'Ordergroup' %>
+          (<%= link_to _("Cancel membership"), { :action => 'cancel_membership', :membership_id => membership },
+                :confirm => _("Are you sure to cancel this membership?"), :method => :post  %>)
+        <% end %>
+    </p>
+    <% end %>
+  </div>
+</div>