static void Main(string[] args)
{
while (true)
{
Console.WriteLine("Product ID: ");
var inputIdArray = new List <int>();
string input = Console.ReadLine();
string[] inputIdStrArray = Regex.Split(input, " ");
foreach (var st in inputIdStrArray)
{
int id;
if (!Int32.TryParse(st, out id) || !repo.ContainsKey(id))
{
Console.WriteLine($"Product {st} doesn't exist.");
continue;
}
Console.WriteLine($"Input product: {st} {repo[id].Name}");
inputIdArray.Add(id);
}
;
Console.WriteLine("Recommended products (top 10): ");
var rule1 = new TopSales();
var rule2 = new TopScore();
var rule3 = new SameCategory();
var ruleConfig = new RuleConfigBuilder().AddRuleToConfig("FMCG", (rule1, 0.5f), (rule2, 0.2f), (rule3, 0.3f))
.AddRuleToConfig("Electronics", (rule1, 0.1f), (rule2, 0.3f), (rule3, 0.6f))
.AddRuleToConfig("Fashion", (rule2, 0.1f), (rule3, 0.9f));
var engine = new Engine(ruleConfig.GetConfig(), repo);
var recommended = engine.Run(inputIdArray);
foreach (var item in recommended.Take(10))
{
var pid = item.ProductId;
byte[] nameInBytes = JsonSerializer.SerializeToUtf8Bytes <string>(repo[pid].Name);
var name = JsonSerializer.Deserialize <string>(nameInBytes);
var score = item.RuleWeightSum;
var rules = JsonSerializer.Serialize(item.Rules);
Console.WriteLine($"ID {pid} {name}, {repo[pid].Category}, ${repo[pid].Price}, recommendation score {score}, recommendation rules {rules}");
}
Console.WriteLine("-------");
}
}
private void LoadConfig()
{
string configPath = AppDomain.CurrentDomain.BaseDirectory + CONFIG_FILE_NAME;
if (File.Exists(configPath))
{
_configs = RuleConfigBuilder.GetConfigs(configPath);
return;
}
configPath = Path.GetFullPath("../..") + CONFIG_FILE_NAME;
if (File.Exists(configPath))
{
_configs = RuleConfigBuilder.GetConfigs(configPath);
return;
}
throw new Exception("No rule config file found.");
}
public Collection(string configPath, Func <ICollectListener> collectListener = null) : this(RuleConfigBuilder.GetConfigs(configPath), collectListener)
{
}
