static void addInfo(string filename)
{
HashTabFile hashtabfile = new HashTabFile(filename);
Hashtable hashtable = hashtabfile.makeHashtable();
using (TextWriter w = File.AppendText(filename))
{
Console.WriteLine("Enter the name of the new person: ");
string personName = Console.ReadLine().Trim();
while (!IsAllLetters(personName) || String.IsNullOrEmpty(personName))
{
Console.WriteLine("The Name should include at least one letter.");
Console.WriteLine("The Name can include only letters and white spaces.");
Console.WriteLine("Please enter the name again:");
personName = Console.ReadLine().Trim();
}
if (hashtable.ContainsKey(personName))
{
Console.WriteLine("Person already exists in the phonebook.");
}
else
{
Console.WriteLine("Enter the phone number of the person without white space:");
long personNumber = long.Parse(Console.ReadLine());
w.WriteLine(personName + ":" + personNumber);
Console.WriteLine("\n" + personName + " was added to the phonebook.");
}
}
}
static void addInfoRandom(string filename)
{
HashTabFile hashtabfile = new HashTabFile(filename);
Hashtable hashtable = hashtabfile.makeHashtable();
Console.WriteLine("Enter the name of the new person: ");
string person_name = Console.ReadLine().Trim();
while (!IsAllLetters(person_name) || String.IsNullOrEmpty(person_name))
{
Console.WriteLine("The Name should include at least one letter.");
Console.WriteLine("The Name can include only letters and white spaces.");
Console.WriteLine("Please enter the name again:");
person_name = Console.ReadLine().Trim();
}
if (hashtable.ContainsKey(person_name))
{
Console.WriteLine("Person already exists in the phonebook.");
}
else
{
AddRandomPhone add_random = new AddRandomPhone(filename, person_name);
add_random.addToFile();
}
}
long findRandToHashtable()
{
long random = generateRandom();
HashTabFile hashtabfile = new HashTabFile(filename);
Hashtable hashtable = hashtabfile.makeHashtable();
if (hashtable.ContainsValue(random))
{
random = generateRandom();
}
return(random);
}
static void readInfo(string filename)
{
HashTabFile hashtabfile = new HashTabFile(filename);
Hashtable hashtable = hashtabfile.makeHashtable();
Console.Write("Enter the name of the person: ");
string newName = Console.ReadLine().Trim();
object newPhone = hashtable[newName];
if (newPhone == null)
{
Console.WriteLine("-- Not Found in Phone Book");
}
else
{
Console.WriteLine(newName + " phone number is " + newPhone + ".");
}
}
