Moved recent viewed feature to own model.

app/models/recent_view.rb

@@ -0,0 +1,115 @@
+class RecentView < ApplicationModel
+  belongs_to :recent_view_object,           :class_name => 'RecentView::Object'
+
+  @@cache_object = {}
+
+  def self.log( object, user ) 
+
+    # lookups
+    recent_view_object = self.recent_view_object_lookup( object.class.to_s )
+
+    # create entry
+    record = {
+      :o_id                   => object.id,
+      :recent_view_object_id  => recent_view_object.id,
+      :created_by_id          => user.id,
+    }
+    RecentView.create(record)
+  end
+
+  def self.log_destroy( requested_object, requested_object_id )
+    RecentView.where( :recent_view_object_id => RecentView::Object.where( :name => requested_object ) ).
+      where( :o_id => requested_object_id ).
+      destroy_all
+  end
+
+  def self.list( user, limit = 10 )
+    recent_views = RecentView.where( :created_by_id => user.id ).
+      order('created_at DESC, id DESC').
+      limit(limit)
+
+    list = []
+    recent_views.each { |item|
+      data = item.attributes
+      data['recent_view_object'] = self.recent_view_object_lookup_id( data['recent_view_object_id'] ).name
+      data.delete( 'history_object_id' )
+      list.push data
+    }
+    return list
+  end
+
+  def self.list_fulldata( user, limit = 10 )
+    recent_viewed = self.list( user, limit )
+
+    # get related users
+    users = {}
+    tickets = []
+    recent_viewed.each {|item|
+
+      # load article ids
+#      if item.recent_view_object == 'Ticket'
+        ticket = Ticket.find( item['o_id'] ).attributes
+        tickets.push ticket
+#      end
+#      if item.recent_view_object 'Ticket::Article'
+#        tickets.push Ticket::Article.find(item.o_id)
+#      end
+#      if item.recent_view_object 'User'
+#        tickets.push User.find(item.o_id)
+#      end
+          
+      # load users
+      if !users[ ticket['owner_id'] ]
+        users[ ticket['owner_id'] ] = User.user_data_full( ticket['owner_id'] )
+      end
+      if !users[ ticket['created_by_id'] ]
+        users[ ticket['created_by_id'] ] = User.user_data_full( ticket['created_by_id'] )
+      end
+      if !users[ item['created_by_id'] ]
+        users[ item['created_by_id'] ] = User.user_data_full( item['created_by_id'] )
+      end
+    }
+    return {
+      :recent_viewed => recent_viewed,
+      :tickets       => tickets,
+      :users         => users,
+    }
+  end
+
+  private
+
+    def self.recent_view_object_lookup_id( id ) 
+
+      # use cache
+      return @@cache_object[ id ] if @@cache_object[ id ]
+
+      # lookup
+      history_object = RecentView::Object.find(id)
+      @@cache_object[ id ] = history_object
+      return history_object
+    end
+
+    def self.recent_view_object_lookup( name ) 
+
+      # use cache
+      return @@cache_object[ name ] if @@cache_object[ name ]
+
+      # lookup
+      recent_view_object = RecentView::Object.where( :name => name ).first
+      if recent_view_object
+        @@cache_object[ name ] = recent_view_object
+        return recent_view_object
+      end
+
+      # create
+      recent_view_object = RecentView::Object.create(
+        :name => name
+      )
+      @@cache_object[ name ] = recent_view_object
+      return recent_view_object
+    end
+
+  class Object < ApplicationModel
+  end
+
+end