/// <summary>
/// Check if the input number is existence in the database
/// </summary>
/// <param name="number"></param>
public NumberModel CheckDuplicate(NumberModel number)
{
try
{
using (SqlConnection con = new SqlConnection(_connectionString))
{
con.Open();
cmd = new SqlCommand($"Select * from NumberList where number='{number.PhoneNumber}'", con);
cmd.ExecuteNonQuery();
rdr = cmd.ExecuteReader();
//find the phonenumber, if exist
while (rdr.Read())
{
NumberModel foundnumber = new NumberModel
{
Id = Convert.ToInt32(rdr[0]),
PhoneNumber = Convert.ToInt32(rdr[1]),
NetworkProvider = Convert.ToString(rdr[2])
};
return(foundnumber);
}
return(null);
}
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// Check Feng Shui of single input number
/// </summary>
/// <param name="number"></param>
public static bool CheckSingleNumber(NumberModel number)
{
int firstSum = 0;
int secondSum = 0;
int phone = number.PhoneNumber; //create a temp phonenumber variable for calculation
if (tabooList.Contains(phone % 100))
{
return(false); //if last 2 digit in tabooList, not good FengShui
}
else
{
for (int i = 0; i < 10; i++)
{
if (i < 5) //the last 5 digit sum will be 2nd-sum
{
secondSum += phone % 10;
phone = phone / 10;
}
else //the first 4 digit(the first digit is 0) will be 1st-sum
{
firstSum += phone % 10;
phone = phone / 10;
}
}
Convert.ToString(firstSum); //Convert sum to String to get the right proportion for 24/28 (no mislead to 12/14)
Convert.ToString(secondSum);
if (sumProportion.Contains($"{firstSum}/{secondSum}") && nicePairList.Contains(number.PhoneNumber % 100))
{
return(true);
}
}
return(false);
}
/// <summary>
/// Check if the input number has existed in database,
/// if existed return the number,
/// if not return null
/// </summary>
/// <param name="number"></param>
/// <returns></returns>
public static NumberModel CheckDuplicate(NumberModel number)
{
//GetAppSettingsFile();
var numberDal = new NumberDAL();
if (numberDal.CheckDuplicate(number) == null)
{
return(null);
}
return(number);
}
/// <summary>
/// Add the given number to database(has been checked existence)
/// </summary>
/// <param name="number"></param>
public void AddNumber(NumberModel number)
{
try
{
using (SqlConnection con = new SqlConnection(_connectionString))
{
con.Open();
cmd = new SqlCommand($"INSERT INTO NumberList VALUES((SELECT max(Id)+1 FROM NumberList),{number.PhoneNumber},'{number.NetworkProvider}')", con);
cmd.ExecuteNonQuery();
}
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// Add the input number to database if not existed
/// </summary>
/// <param name="numberModel"></param>
public static void AddNumberToDb(NumberModel number)
{
var numberDal = new NumberDAL();
numberDal.AddNumber(number);
}
/// <summary>
/// Respond based on the user's choice
/// </summary>
/// <param name="choice"></param>
public static void Choose(int choice)
{
switch (choice)
{
case 1:
Console.WriteLine("\n\t|---------------------------------------|");
Console.WriteLine("\t|All the known good Feng Shui numbers\t|");
Console.WriteLine("\t|Phone Number \t|\tProvider\t|");
NumberController.GetList(null);
break;
case 2:
Console.WriteLine("\n\t|---------------------------------------|");
Console.WriteLine("\t|The good Feng Shui Viettel numbers\t|");
Console.WriteLine("\t|Phone Number \t|\tProvider\t|");
NumberController.GetList("Viettel");
break;
case 3:
Console.WriteLine("\n\t|---------------------------------------|");
Console.WriteLine("\t|The known good Feng Shui Mobi numbers\t|");
Console.WriteLine("\t|Phone Number \t|\tProvider\t|");
NumberController.GetList("Mobi");
break;
case 4:
Console.WriteLine("\n\t|---------------------------------------|");
Console.WriteLine("\t|The known good Feng Shui Vina numbers\t|");
Console.WriteLine("\t|Phone Number \t|\tProvider\t|");
NumberController.GetList("Vina");
break;
case 5:
NumberModel number = AddPhone(); //create a NumberModel object to contain data
if (number.PhoneNumber == 999)
{
break; //Check again to make sure when the number is 999 will break and back to main menu
}
NumberModel checkDuplicate = NumberController.CheckDuplicate(number); //check if the number has existed in database
if (checkDuplicate == null) //if not existed, add to db and check FengShui
{
NumberController.AddNumberToDb(number);
Console.WriteLine($"0{number.PhoneNumber} has been added to the database");
bool check = NumberController.CheckSingleNumber(number);
if (check)
{
Console.WriteLine($"0{number.PhoneNumber} is a Good Feng Shui Number");
}
else
{
Console.WriteLine($"0{number.PhoneNumber} is a Not Good Feng Shui Number");
}
break;
}
else //if existed, print the alert and FengShui status
{
bool check = NumberController.CheckSingleNumber(number);
Console.WriteLine($"0{number.PhoneNumber} has been existed in the database");
Console.Write($"and ");
if (check)
{
Console.WriteLine($"0{number.PhoneNumber} is a Good Feng Shui Number");
}
else
{
Console.WriteLine($"0{number.PhoneNumber} is a Not Good Feng Shui Number");
}
break;
}
case 6:
Console.WriteLine("----------------------------------------------------------------------------------------------------------------------");
Console.WriteLine("(1). The last 2 num chars is taboo: ");
Console.WriteLine("If this rule is violated, other criterias at (2) are not checked in any case.");
Console.WriteLine("00, 66, 04, 45, 85, 27, 67, ");
Console.WriteLine("17, 57, 97, 98, 58, 42, 82 69");
Console.WriteLine("(2) Good feng shui numbers: match all criteria below:");
Console.WriteLine("Total first 5 nums / Total last 5 nums: matches 1 in 2 conditions: 24 / 29 or 24 / 28");
Console.WriteLine("Last nice pair of numbers: 19, 24, 26, 37, 34 ");
break;
default:
break;
}
}
/// <summary>
/// Menu to add a new phonenumber and check Validation, if valid return the phonenumber to continue check FengShui
/// </summary>
/// <returns></returns>
public static NumberModel AddPhone()
{
int phoneNumber = 0;
int choiceProvider;
string networkProvider = "";
do
{
Console.WriteLine("\n\t|---------------------------------------------\t|");
Console.WriteLine("\t|Please choose the providers (Enter number):\t|");
Console.WriteLine("\t|1/Viettel: 086xxx, 096xxx, 097xxx\t\t|");
Console.WriteLine("\t|2/Mobi: 089xxx, 090xxx, 093xxx\t\t\t|");
Console.WriteLine("\t|3/Vina: 088xxx, 091xxx, 094xxx\t\t\t|");
Console.WriteLine("\t|----------------------------------------------\t|");
Console.Write("\t\tPlease choose: ");
int.TryParse(Console.ReadLine(), out choiceProvider);
}while (choiceProvider != 1 && choiceProvider != 2 && choiceProvider != 3);
switch (choiceProvider)
{
case 1:
networkProvider = "Viettel";
do
{
Console.WriteLine("\nPlease input the phone number (Enter 999 to comeback)");
Console.WriteLine("Viettel phone number has to start with 086,096,097 and has 10 digit");
Console.Write("Input number: ");
int.TryParse(Console.ReadLine(), out phoneNumber);
if (phoneNumber == 999)
{
break;
}
} while (phoneNumber / 10000000 != 86 && phoneNumber / 10000000 != 96 && phoneNumber / 10000000 != 97 && phoneNumber.ToString().Length != 9);
break;
case 2:
networkProvider = "Mobi";
do
{
Console.WriteLine("\nPlease input the phone number (Enter 999 to comeback)");
Console.WriteLine("Mobi phone number has to start with 089, 090, 093 and has 10 digit");
Console.Write("Input number: ");
int.TryParse(Console.ReadLine(), out phoneNumber);
if (phoneNumber == 999)
{
break;
}
} while (phoneNumber / 10000000 != 89 && phoneNumber / 10000000 != 90 && phoneNumber / 10000000 != 93 && phoneNumber.ToString().Length != 9);
break;
case 3:
networkProvider = "Vina";
do
{
Console.WriteLine("\nPlease input the phone number (Enter 999 to comeback)");
Console.WriteLine("Vina phone number has to start with 088, 091, 094 and has 10 digit");
Console.Write("Input number: ");
int.TryParse(Console.ReadLine(), out phoneNumber);
if (phoneNumber == 999)
{
break;
}
} while (phoneNumber / 10000000 != 88 && phoneNumber / 10000000 != 91 && phoneNumber / 10000000 != 94 && phoneNumber.ToString().Length != 9);
break;
default:
break;
}
//Create NumberModel object and continue to check FengShui
NumberModel number = new NumberModel
{
PhoneNumber = phoneNumber,
NetworkProvider = networkProvider
};
return(number);
}
