/* UC13:- Ability to Read the Address Book with Persons Contact into a File using File IO
* - Using C# File IO
*/
public static AddressBookDetails ReadFromFile()
{
FileStream stream;
string path = @"D:\Practice\C#\AddressBookSystem\AddressBookSystem\IO File\PersonContacts.txt";
try
{ // If path is not found then it throws file not found exception
using (stream = new FileStream(path, FileMode.Open)) // Open the specified path
{
BinaryFormatter formatter = new BinaryFormatter();
// Deserialize the data from file
// If stream is null then it throws Serialization exception
AddressBookDetails addressBookDetails = (AddressBookDetails)formatter.Deserialize(stream);
// Copy the details of instance variables to static
cityToContactMap = addressBookDetails.cityToCOntactMapInstance;
stateToContactMap = addressBookDetails.stateToContactMapInstance;
return(addressBookDetails);
};
}
catch (FileNotFoundException)
{
Console.WriteLine("file not found");
return(new AddressBookDetails());
}
catch (SerializationException)
{
Console.WriteLine("No previous records");
return(new AddressBookDetails());
}
}
static void Main(string[] args)
{
Console.WriteLine("Welcome To Address Book Program");
AddressBookDetails addressBookDetails = new AddressBookDetails();
L1 : Console.WriteLine("\nType to select address book\nAdd - To add or access address book\nview - To view all names of address books\nDelete - To delete Address book\nE - To exit");
switch (Console.ReadLine().ToLower())
{
//To add or access new Address book
case TO_ADD_OR_ACCESS:
addressBookDetails.AddOrAccessAddressBook();
break;
//To view all address book names
case TO_VIEW_ALL_ADDRESSBOOKS:
addressBookDetails.ViewAllAddressBooks();
break;
//To delete an address book
case TO_DELETE_ADDRESS_BOOK:
addressBookDetails.DeleteAddressBook();
break;
default:
Console.WriteLine("User exited application");
return;
}
goto L1;
}
/*UC7:- bility to ensure there is no Duplicate Entry of the same Person in a particular Address Book
* - Duplicate Check is done on Person Name while adding person to Address Book.
* - Use Collection Methods to Search Person by Name for Duplicate Entry.
* - Override equals method to check for Duplicate.
*/
public void AddContact() //Create AddContact method to add Record
{
Console.Write("Enter First Name:- "); //Take input
firstName = Console.ReadLine(); //Store firstname
Console.Write("Enter Last Name:- "); //Take input
lastName = Console.ReadLine();
Console.Write("Enter The Address "); //Take input
address = Console.ReadLine();
Console.Write("Enter City:- "); //Take input
city = Console.ReadLine();
Console.Write("Enter State:- "); //Take input
state = Console.ReadLine();
Console.Write("Enter Zip Code:- "); //Take input
zip = Console.ReadLine();
Console.Write("Enter Phone Number:- "); //Take input
phoneNumber = Console.ReadLine();
Console.Write("Enter Email:- "); //Take input
email = Console.ReadLine();
// Creating an instance of contact with given details
ContactDetails addNewContact = new ContactDetails(firstName, lastName, address, city, state, zip, phoneNumber, email, nameOfAddressBook);
while (addNewContact.Equals(contactList))
{
Console.WriteLine("contact already exists");
// Giving option to user to re enter or to exit
Console.Write("1.Enter New Name\n0.Exit\nEnter Choice:- ");
int opt = Convert.ToInt32(Console.ReadLine());
if (opt == 1)
{
Console.WriteLine("Enter new First name");
firstName = Console.ReadLine();
Console.WriteLine("Enter new Last name");
lastName = Console.ReadLine();
addNewContact = new ContactDetails(firstName, lastName, address, city, state, zip, phoneNumber, email, nameOfAddressBook);
}
else
{
return;
}
}
contactList.Add(addNewContact); // Adding the contact to list
AddressBookDetails.AddToCityDictionary(city, addNewContact); // Adding contact to city dictionary
AddressBookDetails.AddToStateDictionary(state, addNewContact); // Adding contact to state dictionary
Console.WriteLine("\nContact Added successfully");
}
public void EditContact() //Create EditContact method to edite record
{
try
{
if (contactList.Count() == 0) //List have no contacts
{
Console.WriteLine(" Record Not Found"); //print
return;
}
Console.Write("Enter First Name :- "); //Take First Name
string name = Console.ReadLine();
ContactDetails contact = SearchByName(name); // Search the name
if (contact == null) // If contact doesnt exist
{
Console.WriteLine($"{name } Record Not Found"); //Print
return;
}
contact.Display(); // print record of searched contact
int updateAttributeNum = 0;
Console.Write("Enter Row number Record to be Edit:- "); //print and take input
try
{
updateAttributeNum = Convert.ToInt32(Console.ReadLine());
if (updateAttributeNum == 0)
{
return;
}
}
catch
{
Console.WriteLine("Invalid entry");
return;
}
Console.Write("Enter the New Record:- "); // Take input
string newValue = Console.ReadLine();
switch (updateAttributeNum) // Updating selected attribute with selected value
{
case UPDATE_FIRST_NAME:
firstName = contact.FirstName; // Store the firstname of contact in variable
contact.FirstName = newValue; // Update the contact with given name
if (contact.Equals(contactList)) // If duplicate contact exists with that name then revert the operation
{
contact.FirstName = firstName;
Console.Write($"Contact already exists that{ contact.FirstName} Name");
return;
}
break;
case UPDATE_LAST_NAME:
lastName = contact.LastName; // Store the LastName of given contact in variable
contact.LastName = newValue; // Update the contact with given name
if (contact.Equals(contactList)) // If duplicate contact exists with that name then revert the operation
{
contact.LastName = lastName;
Console.WriteLine($"Contact already exists with that {contact.LastName} name");
return;
}
break;
case UPDATE_ADDRESS:
contact.Address = newValue;
break;
case UPDATE_CITY:
AddressBookDetails.cityToContactMap[contact.City].Remove(contact); // Remove the contact from city dictionary
contact.City = newValue; // Update the contact city
AddressBookDetails.AddToCityDictionary(contact.City, contact); // Add to city dictionary
break;
case UPDATE_STATE:
AddressBookDetails.stateToContactMap[contact.State].Remove(contact); // Remove the contact from state dictionary
contact.State = newValue; // Update the contact state
AddressBookDetails.AddToStateDictionary(contact.State, contact); // Add to state dictionary
break;
case UPDATE_ZIP:
contact.Zip = newValue;
break;
case UPDATE_PHONE_NUMBER:
contact.PhoneNumber = newValue;
break;
case UPDATE_EMAIL:
contact.Email = newValue;
break;
default:
Console.WriteLine("Invalid Entry");
return;
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
Console.WriteLine("Record Successfully Edit and Updated ");
}
static void Main(string[] args)
{ /* UC6:- Refactor to add multiple Address Book to the System.
* Each Address Book has a unique Name
* - Use Console to add new Address Book
* - Maintain Dictionary of Address Book Name to Address Book
*/
Console.WriteLine("**** Welcome To Address Book System ****");
AddressBookDetails addressBookDetails = AddressBookDetails.ReadFromFile();
bool flag = true;
while (flag)
{
Console.Write("\n1.Add Address Book System" +
"\n2.Show Address Book System Name" +
"\n3.Delete Address Book" +
"\n4.Search Person in City or State " +
"\n5.Show all Record in City or State" +
"\n6.Count of Record City or State" +
"\n7.Exit\nEnter Your Choice: - ");
int choice = Convert.ToInt32(Console.ReadLine());
switch (choice)
{
case 1:
addressBookDetails.AddAddressBook(); // add new Address book
break;
case 2:
addressBookDetails.ViewAllAddressBooks(); //view all address book names
break;
case 3:
addressBookDetails.DeleteAddressBook(); //delete an address book
break;
case 4:
try
{ /* UC8:- Ability to search Person in a City or State across the multiple AddressBook
* - Search Result can show multiple person in the city or state
*/
Console.Write("1.City\n2.State\nEnter Choice:-"); //print
int choice2 = Convert.ToInt32(Console.ReadLine()); //take input and convert int32
if (choice2 == 1) //check condition
{
addressBookDetails.SearchInCity(); //search city
}
else if (choice2 == 2)
{
addressBookDetails.SearchInState();//search State
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
break;
case 5:
try
{ /* UC8:- Ability to search Person in a City or State across the multiple AddressBook
* - Search Result can show multiple person in the city or state
*/
Console.Write("1.City\n2.State\nEnter Choice:-"); //print
int choice3 = Convert.ToInt32(Console.ReadLine()); //take input and convert int32
if (choice3 == 1)
{
addressBookDetails.ViewAllByCity(); // view all contact in a city
}
else if (choice3 == 2)
{
addressBookDetails.ViewAllByState(); // view all contact in a State
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
break;
case 6:
try
{ /* UC10:- Ability to get number of contact persons i.e. count by City or State.
* - Search Result will show count by city and by state.
*/
Console.Write("1.City\n2.State\nEnter Choice:-"); //print
int choice4 = Convert.ToInt32(Console.ReadLine()); //take input and convert int32
if (choice4 == 1)
{
addressBookDetails.CountAllByCity(); //get count of contacts in City
}
else if (choice4 == 2)
{
addressBookDetails.CountAllByState(); //get count of contacts in state
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
break;
case 7:
flag = false;
break;
default:
Console.WriteLine("Please Enter Valid Option");
break;
}
}
// UC 13 Writing to the previously stored records.
addressBookDetails.WriteToFile();
}
/// <summary>
/// Defines the entry point of the application.
/// </summary>
/// <param name="args">The arguments.</param>
static void Main(string[] args)
{
Console.WriteLine("Welcome To Address Book Program");
// UC 13 Getting the previously stored records
AddressBookDetails addressBookDetails = AddressBookDetails.GetFromFile();
bool flag = true;
while (flag)
{
Console.WriteLine("\nType to select address book" +
"\nA - To add or access address book" +
"\nview - To view all names of address books" +
"\nDelete - To delete Address book" +
"\nCity - To search contact in a city" +
"\nState - To search contact in a state" +
"\nVCity - To view all contacts in a city" +
"\nVState - To view all contacts in a state" +
"\nCCity - To get count of contacts city wise" +
"\nCState - To get count of contacts state wise" +
"\nE - To exit\n\n");
switch (Console.ReadLine().ToLower())
{
// To add or access new Address book
case TO_ADD_OR_ACCESS:
addressBookDetails.AddOrAccessAddressBook();
break;
// To view all address book names
case TO_VIEW_ALL_ADDRESSBOOKS:
addressBookDetails.ViewAllAddressBooks();
break;
// To delete an address book
case TO_DELETE_ADDRESS_BOOK:
addressBookDetails.DeleteAddressBook();
break;
// To search for a person in a city
case SEARCH_PERSON_IN_CITY:
addressBookDetails.SearchInCity();
break;
// To search for a person in a state
case SEARCH_PERSON_IN_STATE:
addressBookDetails.SearchInState();
break;
// To view all contacts in a city
case VIEW_ALL_IN_CITY:
addressBookDetails.ViewAllByCity();
break;
// To view all contacts in a city
case VIEW_ALL_IN_STATE:
addressBookDetails.ViewAllByState();
break;
// To get count of contacts in a city
case COUNT_ALL_IN_CITY:
addressBookDetails.CountAllByCity();
break;
// To get count of contacts in a state
case COUNT_ALL_IN_STATE:
addressBookDetails.CountAllByState();
break;
case EXIT:
Console.WriteLine("User exited application");
flag = false;
break;
default:
Console.WriteLine("Invalid entry");
break;
}
}
// UC 13 Writing to the previously stored records.
addressBookDetails.WriteToFile();
}
/// <summary>
/// Adds the contact.
/// </summary>
public void AddContact()
{
// Getting FirstName
Console.WriteLine("\nEnter The First Name of Contact");
firstName = Console.ReadLine();
// Getting lastName
Console.WriteLine("\nEnter The Last Name of Contact");
lastName = Console.ReadLine();
// Getting Address
Console.WriteLine("\nEnter The Address of Contact");
address = Console.ReadLine();
// Getting city name
Console.WriteLine("\nEnter The City Name of Contact");
city = Console.ReadLine().ToLower();
// Getting state name
Console.WriteLine("\nEnter The State Name of Contact");
state = Console.ReadLine().ToLower();
// Getting zip of locality
Console.WriteLine("\nEnter the Zip of Locality of Contact");
zip = Console.ReadLine();
// Getting Phone number
Console.WriteLine("\nEnter The Phone Number of Contact");
phoneNumber = Console.ReadLine();
// Getting Email of contact
Console.WriteLine("\nEnter The Email of Contact");
email = Console.ReadLine();
// Creating an instance of contact with given details
ContactDetails addNewContact = new ContactDetails(firstName, lastName, address, city, state, zip, phoneNumber, email, nameOfAddressBook);
// Checking for duplicates with the equals method
// Loop continues till the given contact doesnt equal to any available contact
while (addNewContact.Equals(contactList))
{
Console.WriteLine("contact already exists");
logger.Error("User tried to create a duplicate of contact");
// Giving option to user to re enter or to exit
Console.WriteLine("Type Y to enter new name or any other key to exit");
// If user wants to re-enter then taking input from user
// Else return
if ((Console.ReadLine().ToLower() == "y"))
{
Console.WriteLine("Enter new first name");
firstName = Console.ReadLine();
Console.WriteLine("Enter new last name");
lastName = Console.ReadLine();
addNewContact = new ContactDetails(firstName, lastName, address, city, state, zip, phoneNumber, email, nameOfAddressBook);
}
else
{
return;
}
}
// Adding the contact to list
contactList.Add(addNewContact);
// Adding contact to city dictionary
AddressBookDetails.AddToCityDictionary(city, addNewContact);
// Adding contact to state dictionary
AddressBookDetails.AddToStateDictionary(state, addNewContact);
Console.WriteLine("\nContact added successfully");
}
/// <summary>
/// Updates the contact.
/// </summary>
public void UpdateContact()
{
// If the List have no contacts
if (contactList.Count() == 0)
{
Console.WriteLine("No saved contacts");
return;
}
// Input the name to be updated
Console.WriteLine("\nEnter the name of candidate to be updated");
string name = Console.ReadLine();
logger.Info("User tried to update contact" + name);
// Search the name
ContactDetails contact = SearchByName(name);
// If contact doesnt exist
if (contact == null)
{
Console.WriteLine("No record found");
return;
}
// To print details of searched contact
contact.toString();
int updateAttributeNum = 0;
// Getting the attribute to be updated
Console.WriteLine("\nEnter the row number attribute to be updated or 0 to exit");
try
{
updateAttributeNum = Convert.ToInt32(Console.ReadLine());
if (updateAttributeNum == 0)
{
return;
}
}
catch
{
Console.WriteLine("Invalid entry");
return;
}
// Getting the new value of attribute
Console.WriteLine("\nEnter the new value to be entered");
string newValue = Console.ReadLine();
// Updating selected attribute with selected value
switch (updateAttributeNum)
{
case UPDATE_FIRST_NAME:
// Store the firstname of given contact in variable
firstName = contact.FirstName;
// Update the contact with given name
contact.FirstName = newValue;
// If duplicate contact exists with that name then revert the operation
if (contact.Equals(contactList))
{
contact.FirstName = firstName;
Console.WriteLine("Contact already exists with that name");
return;
}
break;
case UPDATE_LAST_NAME:
// Store the LastName of given contact in variable
lastName = contact.LastName;
// Update the contact with given name
contact.LastName = newValue;
// If duplicate contact exists with that name then revert the operation
if (contact.Equals(contactList))
{
contact.LastName = lastName;
Console.WriteLine("Contact already exists with that name");
return;
}
break;
case UPDATE_ADDRESS:
contact.Address = newValue;
break;
case UPDATE_CITY:
// Remove the contact from city dictionary
AddressBookDetails.cityToContactMap[contact.City].Remove(contact);
// Update the contact city
contact.City = newValue;
// Add to city dictionary
AddressBookDetails.AddToCityDictionary(contact.City, contact);
break;
case UPDATE_STATE:
// Remove the contact from state dictionary
AddressBookDetails.stateToContactMap[contact.State].Remove(contact);
// Update the contact state
contact.State = newValue;
// Add to state dictionary
AddressBookDetails.AddToStateDictionary(contact.State, contact);
break;
case UPDATE_ZIP:
contact.Zip = newValue;
break;
case UPDATE_PHONE_NUMBER:
contact.PhoneNumber = newValue;
break;
case UPDATE_EMAIL:
contact.Email = newValue;
break;
default:
Console.WriteLine("Invalid Entry");
return;
}
logger.Info("User updated contact");
Console.WriteLine("\nUpdate Successful");
}
