Ejemplo n.º 1
0
        public List <Recommendation_Meta_Item> GetRecommendationR4(Predict_DAO_MCol a, double param)
        {
            List <Recommendation_Meta_Item> list1 = new List <Recommendation_Meta_Item>();
            List <string> list2 = new List <string>();
            List <string> list3 = new List <string>();
            List <string> list4 = new List <string>();
            Dictionary <string, double> dictionary1 = new Dictionary <string, double>();
            Dictionary <string, double> dictionary2 = new Dictionary <string, double>();
            Dictionary <string, double> dictionary3 = new Dictionary <string, double>();
            Dictionary <string, double> dictionary4 = new Dictionary <string, double>();
            Dictionary <string, string> dictionary5 = new Dictionary <string, string>();
            List <string> listClusterId             = a.GetListClusterID();
            Dictionary <string, string> listNewItem = a.GetListNewItem();

            foreach (string cluster in listClusterId)
            {
                try
                {
                    Dictionary <string, double> listRateU = a.GetListRateU(cluster);
                    Dictionary <string, double> listRateF = a.GetListRateF(cluster);
                    foreach (KeyValuePair <string, double> keyValuePair1 in listRateU)
                    {
                        Dictionary <string, double> listRateUf = a.GetListRateUF(keyValuePair1.Key);
                        double        num1        = 0.0;
                        string        FamillyCode = "Not found";
                        List <string> list5       = new List <string>();
                        List <double> list6       = new List <double>();
                        foreach (KeyValuePair <string, double> keyValuePair2 in listRateF)
                        {
                            double num2;
                            if (listRateUf.ContainsKey(keyValuePair2.Key))
                            {
                                double num3 = keyValuePair2.Value;
                                double num4 = keyValuePair1.Value;
                                double num5 = keyValuePair2.Value;
                                num2 = param * num5 * (1.0 / num4 - 1.0 / num3);
                            }
                            else
                            {
                                num2 = 0.0;
                            }
                            if (num2 > num1)
                            {
                                num1        = num2;
                                FamillyCode = keyValuePair2.Key;
                            }
                        }
                        if (num1 != 0.0)
                        {
                            double num2 = (double)a.getQTYR4(keyValuePair1.Key, FamillyCode, 1);
                            foreach (KeyValuePair <string, string> keyValuePair2 in listNewItem)
                            {
                                if (keyValuePair2.Value.Equals(FamillyCode))
                                {
                                    list1.Add(new Recommendation_Meta_Item()
                                    {
                                        UserID        = keyValuePair1.Key,
                                        RecommendType = ConstantValues.RC_TYPE_LRS04,
                                        MetaItemID    = keyValuePair2.Key,
                                        Quantity      = num2,
                                        Score         = num1
                                    });
                                }
                            }
                        }
                    }
                }
                catch (Exception ex)
                {
                }
            }
            return(list1);
        }