don't count error_reports rows for ui pagination

Change-Id: Ib1589495a507aeb00d8986f6e079062ff90da241
Reviewed-on: https://gerrit.instructure.com/4368
Reviewed-by: Zach Wily <zach@instructure.com>
Tested-by: Hudson <hudson@instructure.com>

app/controllers/errors_controller.rb

@@ -17,8 +17,11 @@
 #
 
 class ErrorsController < ApplicationController
+  PER_PAGE = 20
+
   before_filter :require_user, :require_site_admin
   def index
+    params[:page] = params[:page].to_i > 0 ? params[:page].to_i : 1
     @reports = ErrorReport
 
     @message = params[:message]
@@ -31,7 +34,7 @@ class ErrorsController < ApplicationController
       @reports = @reports.scoped(:conditions => { :category => params[:category] })
     end
 
-    @reports = @reports.paginate(:page => params[:page], :per_page => 25, :order => 'id DESC')
+    @reports = @reports.all(:limit => PER_PAGE, :offset => ((params[:page]-1)*PER_PAGE), :order => 'id DESC')
   end
   def show
     @reports = WillPaginate::Collection.new(1, 1, 1)

app/views/errors/index.html.erb

@@ -12,7 +12,17 @@
   <button type="submit" class="button"><%= t "#buttons.search", "Search" %></button>
 <% end %>
 
-<%= will_paginate(@reports) %>
+<% content_for :pagination do %>
+  <div class='pagination'>
+    <% if params[:page] > 1 %>
+      <%= link_to('< Prev', params.merge(:page => (params[:page] - 1))) %>
+    <% end %>
+    <%= link_to('Next >', params.merge(:page => (params[:page] + 1))) %>
+  </div>
+<% end %>
+
+<%= yield :pagination %>
+
 <% @reports.each do |report| %>
   <div style="margin-bottom: 20px;">
     <h3>
@@ -40,3 +50,5 @@
     </div>
   </div>
 <% end %>
+
+<%= yield :pagination %>