added ip bans controller

app/controllers/ip_bans_controller.rb

@@ -1,2 +1,23 @@
 class IpBansController < ApplicationController
+  before_filter :admin_only
+
+  def new
+    @ip_ban = IpBan.new
+  end
+
+  def create
+    @ip_ban = IpBan.create(params[:ip_ban])
+    redirect_to ip_bans_path
+  end
+  
+  def index
+    @search = IpBan.search(params[:search])
+    @ip_bans = @search.paginate(:page => params[:page])
+  end
+  
+  def destroy
+    @ip_ban = IpBan.find(params[:id])
+    @ip_ban.destroy
+    redirect_to ip_bans_path
+  end
 end

app/models/ip_ban.rb

@@ -1,13 +1,14 @@
 class IpBan < ActiveRecord::Base
   belongs_to :creator, :class_name => "User"
-  validates_presence_of :reason
+  before_validation :initialize_creator, :on => :create
+  validates_presence_of :reason, :creator
   validates_uniqueness_of :ip_addr
   
   def self.is_banned?(ip_addr)
     exists?(["ip_addr = ?", ip_addr])
   end
 
-  def self.search(user_ids)
+  def self.query(user_ids)
     comments = count_by_ip_addr("comments", user_ids, "creator_id", "ip_addr")
     notes = count_by_ip_addr("note_versions", user_ids, "updater_id", "updater_ip_addr")
     pools = count_by_ip_addr("pool_versions", user_ids, "updater_id", "updater_ip_addr")
@@ -24,4 +25,8 @@ class IpBan < ActiveRecord::Base
   def self.count_by_ip_addr(table, user_ids, user_id_field = "user_id", ip_addr_field = "ip_addr")
     select_all_sql("SELECT #{ip_addr_field}, count(*) FROM #{table} WHERE #{user_id_field} IN (?) GROUP BY #{ip_addr_field} ORDER BY count(*) DESC", user_ids)
   end
+  
+  def initialize_creator
+    self.creator_id = CurrentUser.id
+  end
 end