gistfile1.txt

  fetchActivities:(callback)->
    @invokeServerSide
      fetchActivities:
        params:
          limit: 50
        middleware : (err,params,activities)=>
          @activities = for activity in activities
            Activity::create (id : activity.id, type : activity.item.type), activity
          @activities.fetchSubData path:"participants"
          callback? @activities
  
  filterActivities:(type,callback)->
    @invokeServerSide
      filterActivities:
        params:
          filters: if ($.isArray type) then type else [type]
        middleware: (err, params, activities)=>
          #FIXME: remove dups. 
          #This is so we have a pointer to existing activities in cache that aren't being used anywhere. Will be necessary for cache cleanup
          @allActivities or= []
          @allActivities.push @activities
          #
          
          @activities = for activity in activities
          
            newRelationship = Relationship::create (id : activity.relationship._id), (item : activity.relationship)

            if activity.relationship.targetName is "Message_Status"
              Activity_StatusUpdate::create null,
                relationship  : newRelationship

            else if activity.relationship.targetName is "Message_Question"
              Activity_NewQuestion::create null,
                relationship  : newRelationship
            
            else if activity.relationship.sourceName is "User"
              Activity_NewRegistration::create null,
                relationship  : newRelationship

            else if activity.relationship.as is "following"
              Activity_FollowNotice::create null,
                relationship  : newRelationship

            else if activity.relationship.as is "friendConfirmer"
              Activity_NewFriendship::create null,
                relationship  : newRelationship

            else if activity.relationship.targetName is "Group"
              Activity_NewGroup::create null,
                relationship  : newRelationship
            
          callback? @activities
          @propagateEvent (KDEventType:"Data.activities", instanceListenersOnly:yes, dataChangeType:'refresh'), @activities
  
  pageDownActivities:({}, callback)->
    @invokeServerSide
      fetchActivities:
        params:
          limit:5
          skip: @activities.length
        middleware : (err,params,activities)=>
          return unless @activities?
          newActivities = for activity in activities
            @activities.push newActivity = Activity::create (id : activity.id, type : activity.item.type), activity
            newActivity
          newActivities.fetchSubData path:"participants"
          callback? newActivities
          @propagateEvent (KDEventType:"Data.activities", instanceListenersOnly:yes, dataChangeType:'addPage'), newActivities
  
  receiveAddToActivities:(activity)->
    return unless @activities?          
    newRelationship = Relationship::create (id : activity.relationship._id), (item : activity.relationship)
    (newRelationship.setSourceData item : activity.source) if activity.source? and newRelationship.getSource().KDDataNeedsFetch
    (newRelationship.setTargetData item : activity.target) if activity.target? and newRelationship.getTarget().KDDataNeedsFetch

    newActivity = 
      if activity.relationship.targetName is "Message_Status"
        Activity_StatusUpdate::create null,
          relationship  : newRelationship

      else if activity.relationship.targetName is "Message_Question"
        Activity_NewQuestion::create null,
          relationship  : newRelationship
      
      else if activity.relationship.sourceName is "User"
        Activity_NewRegistration::create null,
          relationship  : newRelationship

      else if activity.relationship.as is "following"
        Activity_FollowNotice::create null,
          relationship  : newRelationship

      else if activity.relationship.as is "friendConfirmer"
        Activity_NewFriendship::create null,
          relationship  : newRelationship

      else if activity.relationship.targetName is "Group"
        Activity_NewGroup::create null,
          relationship  : newRelationship
    @activities.unshift newActivity
    newActivity