top 7 ranking algoritm

top 7 ranking algoritm

1. list of places

   • userid!=null && facebookfriendmultiplier!=0
     • get friends list
       • get their favourite places
         • if type and city matches with favourite places
           • calculations
             • no of facebookrating=faceookrating+1
             • getFacebookFriendWeightedRating=getFacebookFriendWeightedRating+ (i+1)
   • userid==null || facebookfriendmultiplier==0
     • remove zero rated places
       • no ofusers rated + no of experts rated=0 are removed
       • calculate total weight
         • googleRatingMultiplier,allUserMultiplier,expertUserMultiplier,facebookUserMultiplier
           • calculate avg rating for google,facebook,all user & expert and sum is taken. Its total weight
             • Formula (total rating/ no of users rated) * multiplier
             • sorted places using this weight in descending order
               • remove remaining places from list based on top count passed from front end.
                 • eg: top 3 or top 7
                 • save the parameters in user preference
                   • list is returned