add some js to allow moderators to enter reason when deleting stories

app/assets/javascripts/application.js.erb

@@ -153,6 +153,40 @@ var _Lobsters = Class.extend({
 		$("#inside").load("/stories/preview", $(form).serializeArray());
 	},
 
+  moderateStory: function(link) {
+    var reason = prompt("Moderation reason:");
+    if (reason == null || reason == "")
+      return false;
+
+    var link = $(link);
+
+    /* $.rails.handleMethod() */
+    var href = $.rails.href(link),
+      method = link.data('method'),
+      target = link.attr('target'),
+      csrf_token = $("meta[name=csrf-token]").attr("content"),
+      csrf_param = $("meta[name=csrf-param]").attr("content"),
+      form = $("<form method=\"post\" action=\"" + href + "\"></form>"),
+      metadata_input = "<input name=\"_method\" value=\"" + method +
+        "\" type=\"hidden\" />";
+
+    if (csrf_param !== undefined && csrf_token !== undefined)
+      metadata_input += "<input name=\"" + csrf_param + "\" value=\"" +
+        csrf_token + "\" type=\"hidden\" />";
+
+    if (target)
+      form.attr("target", target);
+
+    var r = $("<input type=\"hidden\" name=\"reason\" />");
+    r.val(reason);
+    form.append(r);
+
+    form.hide().append(metadata_input).appendTo('body');
+    form.submit();
+
+    return false;
+  },
+
 	fetchURLTitle: function(button, url_field, title_field) {
 		if (url_field.val() == "")
 			return;
@@ -205,6 +239,10 @@ $(document).ready(function() {
 		return false;
 	});
 
+  $("li.story a.mod_story_link").click(function() {
+    return Lobsters.moderateStory(this);
+  }),
+
   $("a.comment_replier").live("click", function() {
     if (!Lobsters.curUser) {
       Lobsters.bounceToLogin();

app/controllers/stories_controller.rb

@@ -47,6 +47,11 @@ class StoriesController < ApplicationController
 
     @story.is_expired = true
     @story.editor_user_id = @user.id
+
+    if params[:reason].present? && @story.user_id != @user.id
+      @story.moderation_reason = params[:reason]
+    end
+
     @story.save(:validate => false)
 
     redirect_to @story.comments_url

app/views/stories/_listdetail.html.erb

@@ -58,9 +58,15 @@ class="story <%= story.vote == 1 ? "upvoted" : (story.vote == -1 ?
               :confirm => "Are you sure you want to undelete this story?" } %>
           <% elsif !story.is_gone? %>
             |
-            <%= link_to "delete", story_url(story.short_id),
-              :method => :delete, :data => {
-              :confirm => "Are you sure you want to delete this story?" } %>
+            <% if story.user_id != @user.try(:id) &&
+            @user.try(:is_moderator?) %>
+              <%= link_to "delete", story_url(story.short_id),
+                :method => :delete, :class => "mod_story_link" %>
+            <% else %>
+              <%= link_to "delete", story_url(story.short_id),
+                :method => :delete, :data => {
+                :confirm => "Are you sure you want to delete this story?" } %>
+            <% end %>
           <% end %>
         <% end %>
         <% if !story.is_gone? %>