##############################################################
#
#    Name: userprofile.py
#
#    Description: userprofile class for each peer 
#                 
#    Usage: data structure and manipulation for user profiling
#
#    Author: Jun Wang j.wang@ewi.tudelft.nl  June 2005
#
##############################################################

#
# PlayList data structure based on dictionary:
#  {'itemid':{'rating':rating,'time':time},...}
#


class userprofile(dict):
    def __init__(self, peerid = -1 ):
        self.peerID = peerid

    def add(self,ratings): #[itemid,rating,time]
        [itemid,rating,time] = ratings
        self[itemid] = {'rating':rating,'time':time}

    def get(self):
        return self

    def _print(self):
        for a in self.keys():
            print 'peerid:', self.peerID, 'itemid:', a , self[a]

    def new(self,userprofile):
        self.clear()
        self.update(userprofile)
       
        

if '__main__'== __name__:
    a = userprofile(0)
    a.add([1,3,1])
    a.add([2,3,1])
    del a[2]
    a.add([3,3,1])
    a.add([4,3,1])
    #a._print()
    print a.get()
    profile = {1:{'rating':'2','time':11},2:{'rating':2,'time':11}}
    a.clear()
    a.new(profile)
    print 'print something here'
    a._print()