invitation requests: allow moderators to delete confirmed requests

app/controllers/invitations_controller.rb

@@ -81,9 +81,20 @@ class InvitationsController < ApplicationController
     return redirect_to "/invitations"
   end
 
+  def delete_request
+    if !@user.is_moderator?
       return redirect_to "/invitations"
-    else
-      render :action => :build
     end
+
+    if !(ir = InvitationRequest.where(:code => params[:code].to_s).first)
+      flash[:error] = "Invalid or expired invitation request"
+      return redirect_to "/invitations"
+    end
+
+    ir.destroy!
+    flash[:success] = "Successfully deleted invitation request from " <<
+      ir.name.to_s << "."
+
+    return redirect_to "/invitations"
   end
 end

app/views/invitations/index.html.erb

@@ -13,8 +13,11 @@
   <tr>
     <th width="15%">Date/Time</th>
     <th width="20%">Name</th>
-    <th width="50%">Memo</th>
+    <th width="40%">Memo</th>
     <th width="15%"></th>
+    <% if @user.is_moderator? %>
+      <th></th>
+    <% end %>
   </tr>
   <% bit = 0 %>
   <% @invitation_requests.each do |ir| %>
@@ -22,18 +25,25 @@
       <td><%= ir.created_at.strftime("%Y-%m-%d %H:%M:%S") %></td>
       <td><%= ir.name %></td>
       <td><%= raw ir.markeddown_memo %></td>
-      <td><%= form_tag send_invitation_for_request_url, :confirm => "Are " <<
-      "you sure you want to invite this person and remove this request?" do %>
+      <td><%= form_tag send_invitation_for_request_url do %>
         <%= hidden_field_tag "code", ir.code %>
-        <%= submit_tag "Send Invitiation" %>
+        <%= submit_tag "Send Invitiation", :data => { :confirm => "Are " <<
+        "you sure you want to invite this person and remove this request?" } %>
       <% end %></td>
+      <% if @user.is_moderator? %>
+        <td><%= form_tag delete_invitation_request_url do %>
+          <%= hidden_field_tag "code", ir.code %>
+          <%= submit_tag "Delete", :data => { :confirm => "Are you sure " <<
+            "you want to delete this request?" } %>
+        <% end %></td>
+      <% end %>
     </tr>
     <% bit = (bit == 1 ? 0 : 1) %>
   <% end %>
   <% if @invitation_requests.count == 0 %>
     <tr>
-      <td colspan=4 align="center"><span class="na">No invitation
-        requests</span></td>
+      <td colspan=<%= @user.is_moderator?? 5 : 4 %> align="center"><span
+        class="na">No invitation requests</span></td>
     </tr>
   <% end %>
   </table>

config/routes.rb

@@ -88,6 +88,8 @@ Lobsters::Application.routes.draw do
     post "/invitations/send_for_request" => "invitations#send_for_request",
       :as => "send_invitation_for_request"
     get "/invitations/:invitation_code" => "signup#invited"
+    post "/invitations/delete_request" => "invitations#delete_request",
+      :as => "delete_invitation_request"
 
     get "/moderations" => "moderations#index"
     get "/moderations/page/:page" => "moderations#index"