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ability to add and update customers

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This commit is contained in:
Spudnut2000 2025-06-16 22:33:41 -05:00
parent a6da14e24f
commit d26498cd3c
4 changed files with 1119 additions and 852 deletions
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25
C969Project/AddUpdateCustomerForm.Designer.cs generated
View File

@ -45,6 +45,8 @@ partial class AddUpdateCustomerForm
cityTextBox = new System.Windows.Forms.TextBox();
label7 = new System.Windows.Forms.Label();
zipTextBox = new System.Windows.Forms.TextBox();
label8 = new System.Windows.Forms.Label();
textBox1 = new System.Windows.Forms.TextBox();
SuspendLayout();
//
// label1
@ -170,12 +172,32 @@ partial class AddUpdateCustomerForm
zipTextBox.Size = new System.Drawing.Size(218, 23);
zipTextBox.TabIndex = 12;
//
// label8
//
label8.Font = new System.Drawing.Font("Segoe UI", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)0));
label8.Location = new System.Drawing.Point(236, 299);
label8.Name = "label8";
label8.Size = new System.Drawing.Size(63, 23);
label8.TabIndex = 15;
label8.Text = "Country";
label8.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
//
// textBox1
//
textBox1.Location = new System.Drawing.Point(12, 299);
textBox1.Name = "textBox1";
textBox1.Size = new System.Drawing.Size(218, 23);
textBox1.TabIndex = 14;
textBox1.Text = "US";
//
// AddUpdateCustomerForm
//
AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
BackColor = System.Drawing.SystemColors.Control;
ClientSize = new System.Drawing.Size(800, 450);
Controls.Add(label8);
Controls.Add(textBox1);
Controls.Add(label7);
Controls.Add(zipTextBox);
Controls.Add(label6);
@ -196,6 +218,9 @@ partial class AddUpdateCustomerForm
PerformLayout();
}
private System.Windows.Forms.Label label8;
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.Label label6;
private System.Windows.Forms.TextBox cityTextBox;
private System.Windows.Forms.Label label7;

158
C969Project/AddUpdateCustomerForm.cs
View File

@ -1,13 +1,19 @@
using System;
using System.Windows.Forms;
using C969Project.Data;
using C969Project.Data.Models;
namespace C969Project;
public partial class AddUpdateCustomerForm : Form
namespace C969Project
{
public partial class AddUpdateCustomerForm : Form
{
private Customer? _currentCustomer;
public AddUpdateCustomerForm()
{
InitializeComponent();
saveButton.Click += SaveButton_Click;
cancelButton.Click += CancelButton_Click;
}
public void InitAdd()
@ -20,6 +26,7 @@ public partial class AddUpdateCustomerForm : Form
cityTextBox.Text = string.Empty;
zipTextBox.Text = string.Empty;
phoneTextBox.Text = string.Empty;
_currentCustomer = null;
ShowDialog();
}
@ -29,16 +36,159 @@ public partial class AddUpdateCustomerForm : Form
Text = "Update Customer";
label1.Text = "Update Customer";
_currentCustomer = customer;
nameTextBox.Text = customer.CustomerName;
var addr = DatabaseHelper.RetrieveAddress(customer.AddressId);
if (addr != null)
{
addressTextBox.Text = addr.Address1;
var city = DatabaseHelper.RetrieveCity(addr.CityId);
if (city != null)
{
cityTextBox.Text = city.CityName;
}
zipTextBox.Text = addr.PostalCode;
phoneTextBox.Text = addr.Phone;
}
ShowDialog();
}
// name, {address, phone}
private void SaveButton_Click(object sender, EventArgs e)
{
if (string.IsNullOrWhiteSpace(nameTextBox.Text) ||
string.IsNullOrWhiteSpace(addressTextBox.Text) ||
string.IsNullOrWhiteSpace(cityTextBox.Text) ||
string.IsNullOrWhiteSpace(zipTextBox.Text) ||
string.IsNullOrWhiteSpace(phoneTextBox.Text))
{
MessageBox.Show("All fields must be filled out.", "Validation Error", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
if (!System.Text.RegularExpressions.Regex.IsMatch(phoneTextBox.Text.Trim(), @"^[\d-]+$"))
{
MessageBox.Show("Phone number can only contain digits and dashes.", "Validation Error", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
string currentUser = AppState.CurrentUser.Username;
try
{
string countryName = "US";
int currentCountryId = DatabaseHelper.GetCountryId(countryName);
if (currentCountryId == 0)
{
Country newCountry = new Country
{
CountryName = countryName,
CreateDate = DateTime.UtcNow,
CreatedBy = currentUser,
LastUpdate = DateTime.UtcNow,
LastUpdateBy = currentUser
};
currentCountryId = DatabaseHelper.AddCountry(newCountry);
}
int currentCityId = DatabaseHelper.GetCityId(cityTextBox.Text.Trim(), currentCountryId);
if (currentCityId == 0)
{
City newCity = new City
{
CityName = cityTextBox.Text.Trim(),
CountryID = currentCountryId,
CreateDate = DateTime.UtcNow,
CreatedBy = currentUser,
LastUpdate = DateTime.UtcNow,
LastUpdateBy = currentUser
};
currentCityId = DatabaseHelper.AddCity(newCity);
}
Address addressToSave;
int finalAddressId;
if (Text == "Add Customer")
{
addressToSave = new Address
{
Address1 = addressTextBox.Text.Trim(),
Address2 = "",
CityId = currentCityId,
PostalCode = zipTextBox.Text.Trim(),
Phone = phoneTextBox.Text.Trim(),
CreateDate = DateTime.UtcNow,
CreatedBy = currentUser,
LastUpdate = DateTime.UtcNow,
LastUpdateBy = currentUser
};
finalAddressId = DatabaseHelper.AddAddress(addressToSave);
}
else
{
Address? existingAddress = DatabaseHelper.RetrieveAddress(_currentCustomer.AddressId);
if (existingAddress == null)
{
MessageBox.Show("Could not find existing address for update.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
addressToSave = existingAddress;
addressToSave.Address1 = addressTextBox.Text.Trim();
addressToSave.Address2 = "";
addressToSave.CityId = currentCityId;
addressToSave.PostalCode = zipTextBox.Text.Trim();
addressToSave.Phone = phoneTextBox.Text.Trim();
addressToSave.LastUpdateBy = currentUser;
DatabaseHelper.UpdateAddress(addressToSave);
finalAddressId = addressToSave.Id;
}
Customer customerToSave;
if (Text == "Add Customer")
{
customerToSave = new Customer
{
CustomerName = nameTextBox.Text.Trim(),
AddressId = finalAddressId,
Active = 1,
CreateDate = DateTime.UtcNow,
CreatedBy = currentUser,
LastUpdate = DateTime.UtcNow,
LastUpdateBy = currentUser
};
DatabaseHelper.AddCustomer(customerToSave);
}
else
{
customerToSave = _currentCustomer;
customerToSave.CustomerName = nameTextBox.Text.Trim();
customerToSave.AddressId = finalAddressId;
customerToSave.LastUpdateBy = currentUser;
DatabaseHelper.UpdateCustomer(customerToSave);
}
MessageBox.Show("Customer saved successfully!", "Success", MessageBoxButtons.OK, MessageBoxIcon.Information);
DialogResult = DialogResult.OK;
Close();
}
catch (Exception ex)
{
// TODO: Implement robust exception handling, logging, and user notification as per assignment A2b
MessageBox.Show($"An error occurred while saving the customer: {ex.Message}", "Database Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void CancelButton_Click(object sender, EventArgs e)
{
DialogResult = DialogResult.Cancel;
Close();
}
}
}

170
C969Project/Data/DatabaseHelper.cs
View File

@ -1,15 +1,17 @@
using C969Project.Data.Models;
using System;
using System.Data; // For CommandType
using MySql.Data.MySqlClient;
using C969Project.Data.Models;
namespace C969Project.Data;
public static class DatabaseHelper
namespace C969Project.Data
{
public static class DatabaseHelper
{
private static string ConnectionString => AppSettings.GetSetting("ConnectionStrings", "DefaultConnection");
public static void Initialize()
{
// Initialization logic if any
}
public static User? Login(string username, string password)
@ -82,29 +84,39 @@ public static class DatabaseHelper
return customers;
}
public static void AddCustomer(Customer customer)
/// <summary>
/// Adds a new customer record to the database and returns the generated customerId.
/// </summary>
/// <param name="customer">The customer object to add.</param>
/// <returns>The ID of the newly added customer; otherwise, 0 if an error occurs.</returns>
public static int AddCustomer(Customer customer)
{
int customerId = 0;
using MySqlConnection connection = new MySqlConnection(AppSettings.GetSetting("ConnectionStrings", "DefaultConnection"));
try
{
connection.Open();
// Removed customerId from INSERT statement as it's auto-incremented
string query =
"INSERT INTO customer (customerId, customerName, addressId, active, createDate, createdBy, lastUpdate, lastUpdateBy) " +
"VALUES (@customerId, @customerName, @addressId, @active, @createDate, @createdBy, @lastUpdate, @lastUpdateBy)";
"INSERT INTO customer (customerName, addressId, active, createDate, createdBy, lastUpdate, lastUpdateBy) " +
"VALUES (@customerName, @addressId, @active, @createDate, @createdBy, CURRENT_TIMESTAMP, @lastUpdateBy); " + // Use CURRENT_TIMESTAMP for lastUpdate
"SELECT LAST_INSERT_ID();"; // Get the newly generated ID
using MySqlCommand command = new MySqlCommand(query, connection);
command.Parameters.AddWithValue("@customerId", customer.CustomerId);
command.Parameters.AddWithValue("@customerName", customer.CustomerName);
command.Parameters.AddWithValue("@addressId", customer.AddressId);
command.Parameters.AddWithValue("@active", customer.Active);
command.Parameters.AddWithValue("@createDate", DateTime.UtcNow);
command.Parameters.AddWithValue("@createdBy", AppState.CurrentUser.Username);
command.Parameters.AddWithValue("@lastUpdate", DateTime.UtcNow);
command.Parameters.AddWithValue("@lastUpdateBy", AppState.CurrentUser.Username);
command.Parameters.AddWithValue("@lastUpdateBy", AppState.CurrentUser.Username); // lastUpdateBy is updated manually
command.ExecuteNonQuery();
object result = command.ExecuteScalar();
if (result != null && result != DBNull.Value)
{
customerId = Convert.ToInt32(result);
}
}
catch (MySqlException e)
{
@ -116,6 +128,7 @@ public static class DatabaseHelper
Console.WriteLine($"General Error: {ex.Message}");
throw;
}
return customerId;
}
public static void UpdateCustomer(Customer customer)
@ -127,15 +140,14 @@ public static class DatabaseHelper
string query =
"UPDATE customer SET customerName = @customerName, addressId = @addressId, active = @active, " +
"lastUpdate = @lastUpdate, lastUpdateBy = @lastUpdateBy WHERE customerId = @customerId";
"lastUpdate = CURRENT_TIMESTAMP, lastUpdateBy = @lastUpdateBy WHERE customerId = @customerId"; // Use CURRENT_TIMESTAMP for lastUpdate
using MySqlCommand command = new MySqlCommand(query, connection);
command.Parameters.AddWithValue("@customerName", customer.CustomerName);
command.Parameters.AddWithValue("@addressId", customer.AddressId);
command.Parameters.AddWithValue("@active", customer.Active);
command.Parameters.AddWithValue("@lastUpdate", DateTime.UtcNow);
command.Parameters.AddWithValue("@lastUpdateBy", AppState.CurrentUser.Username);
command.Parameters.AddWithValue("@lastUpdateBy", AppState.CurrentUser.Username); // lastUpdateBy is updated manually
command.Parameters.AddWithValue("@customerId", customer.CustomerId);
command.ExecuteNonQuery();
@ -260,20 +272,27 @@ public static class DatabaseHelper
return addresses;
}
public static void AddAddress(Address address)
/// <summary>
/// Adds a new address to the database and returns the generated addressId.
/// </summary>
/// <param name="address">The address object to add.</param>
/// <returns>The ID of the newly added address; otherwise, 0 if an error occurs.</returns>
public static int AddAddress(Address address)
{
int addressId = 0;
using MySqlConnection connection = new MySqlConnection(AppSettings.GetSetting("ConnectionStrings", "DefaultConnection"));
try
{
connection.Open();
// Removed addressId from INSERT statement as it's auto-incremented
string query =
"INSERT INTO address (addressId, address, address2, cityId, postalCode, phone, createDate, createdBy, lastUpdate, lastUpdateBy) " +
"VALUES (@addressId, @address1, @address2, @cityId, @postalCode, @phone, @createDate, @createdBy, @lastUpdate, @lastUpdateBy)";
"INSERT INTO address (address, address2, cityId, postalCode, phone, createDate, createdBy, lastUpdate, lastUpdateBy) " +
"VALUES (@address1, @address2, @cityId, @postalCode, @phone, @createDate, @createdBy, CURRENT_TIMESTAMP, @lastUpdateBy); " + // Use CURRENT_TIMESTAMP for lastUpdate
"SELECT LAST_INSERT_ID();"; // Get the newly generated ID
using MySqlCommand command = new MySqlCommand(query, connection);
command.Parameters.AddWithValue("@addressId", address.Id);
command.Parameters.AddWithValue("@address1", address.Address1);
command.Parameters.AddWithValue("@address2", address.Address2);
command.Parameters.AddWithValue("@cityId", address.CityId);
@ -281,10 +300,13 @@ public static class DatabaseHelper
command.Parameters.AddWithValue("@phone", address.Phone);
command.Parameters.AddWithValue("@createDate", DateTime.UtcNow);
command.Parameters.AddWithValue("@createdBy", AppState.CurrentUser.Username);
command.Parameters.AddWithValue("@lastUpdate", DateTime.UtcNow);
command.Parameters.AddWithValue("@lastUpdateBy", AppState.CurrentUser.Username);
command.ExecuteNonQuery();
object result = command.ExecuteScalar();
if (result != null && result != DBNull.Value)
{
addressId = Convert.ToInt32(result);
}
}
catch (MySqlException e)
{
@ -296,6 +318,7 @@ public static class DatabaseHelper
Console.WriteLine($"General Error: {ex.Message}");
throw;
}
return addressId;
}
public static void UpdateAddress(Address address)
@ -307,7 +330,7 @@ public static class DatabaseHelper
string query =
"UPDATE address SET address = @address1, address2 = @address2, cityId = @cityId, postalCode = @postalCode, " +
"phone = @phone, lastUpdate = @lastUpdate, lastUpdateBy = @lastUpdateBy WHERE addressId = @addressId";
"phone = @phone, lastUpdate = CURRENT_TIMESTAMP, lastUpdateBy = @lastUpdateBy WHERE addressId = @addressId"; // Use CURRENT_TIMESTAMP for lastUpdate
using MySqlCommand command = new MySqlCommand(query, connection);
@ -316,7 +339,6 @@ public static class DatabaseHelper
command.Parameters.AddWithValue("@cityId", address.CityId);
command.Parameters.AddWithValue("@postalCode", address.PostalCode);
command.Parameters.AddWithValue("@phone", address.Phone);
command.Parameters.AddWithValue("@lastUpdate", DateTime.UtcNow);
command.Parameters.AddWithValue("@lastUpdateBy", AppState.CurrentUser.Username);
command.Parameters.AddWithValue("@addressId", address.Id);
@ -639,28 +661,62 @@ public static class DatabaseHelper
return cities;
}
public static void AddCity(City city)
public static int GetCityId(string cityName, int countryId)
{
int cityId = 0;
try
{
using (MySqlConnection connection = new MySqlConnection(ConnectionString))
{
connection.Open();
string query = "SELECT cityId FROM city WHERE city = @cityName AND countryId = @countryId";
using (MySqlCommand cmd = new MySqlCommand(query, connection))
{
cmd.Parameters.AddWithValue("@cityName", cityName);
cmd.Parameters.AddWithValue("@countryId", countryId);
object result = cmd.ExecuteScalar();
if (result != null && result != DBNull.Value)
{
cityId = Convert.ToInt32(result);
}
}
}
}
catch (Exception ex)
{
// TODO: Implement robust exception handling, logging, and user notification as per assignment A2b/A3b.
Console.WriteLine($"Error getting city ID: {ex.Message}");
}
return cityId;
}
public static int AddCity(City city)
{
int cityId = 0;
using MySqlConnection connection = new MySqlConnection(AppSettings.GetSetting("ConnectionStrings", "DefaultConnection"));
try
{
connection.Open();
// Removed cityId from INSERT statement as it's auto-incremented
string query =
"INSERT INTO city (cityId, city, countryId, createDate, createdBy, lastUpdate, lastUpdateBy) " +
"VALUES (@cityId, @cityName, @countryId, @createDate, @createdBy, @lastUpdate, @lastUpdateBy)";
"INSERT INTO city (city, countryId, createDate, createdBy, lastUpdate, lastUpdateBy) " +
"VALUES (@cityName, @countryId, @createDate, @createdBy, CURRENT_TIMESTAMP, @lastUpdateBy); " + // Use CURRENT_TIMESTAMP for lastUpdate
"SELECT LAST_INSERT_ID();"; // Get the newly generated ID
using MySqlCommand command = new MySqlCommand(query, connection);
command.Parameters.AddWithValue("@cityId", city.CityID);
command.Parameters.AddWithValue("@cityName", city.CityName);
command.Parameters.AddWithValue("@countryId", city.CountryID);
command.Parameters.AddWithValue("@createDate", DateTime.UtcNow);
command.Parameters.AddWithValue("@createdBy", AppState.CurrentUser.Username);
command.Parameters.AddWithValue("@lastUpdate", DateTime.UtcNow);
command.Parameters.AddWithValue("@lastUpdateBy", AppState.CurrentUser.Username);
command.ExecuteNonQuery();
object result = command.ExecuteScalar();
if (result != null && result != DBNull.Value)
{
cityId = Convert.ToInt32(result);
}
}
catch (MySqlException e)
{
@ -672,6 +728,7 @@ public static class DatabaseHelper
Console.WriteLine($"General Error: {ex.Message}");
throw;
}
return cityId;
}
public static void UpdateCity(City city)
@ -683,13 +740,12 @@ public static class DatabaseHelper
string query =
"UPDATE city SET city = @cityName, countryId = @countryId, " +
"lastUpdate = @lastUpdate, lastUpdateBy = @lastUpdateBy WHERE cityId = @cityId";
"lastUpdate = CURRENT_TIMESTAMP, lastUpdateBy = @lastUpdateBy WHERE cityId = @cityId"; // Use CURRENT_TIMESTAMP for lastUpdate
using MySqlCommand command = new MySqlCommand(query, connection);
command.Parameters.AddWithValue("@cityName", city.CityName);
command.Parameters.AddWithValue("@countryId", city.CountryID);
command.Parameters.AddWithValue("@lastUpdate", DateTime.UtcNow);
command.Parameters.AddWithValue("@lastUpdateBy", AppState.CurrentUser.Username);
command.Parameters.AddWithValue("@cityId", city.CityID);
@ -807,27 +863,60 @@ public static class DatabaseHelper
return countries;
}
public static void AddCountry(Country country)
public static int GetCountryId(string countryName)
{
int countryId = 0;
try
{
using (MySqlConnection connection = new MySqlConnection(ConnectionString))
{
connection.Open();
string query = "SELECT countryId FROM country WHERE country = @countryName";
using (MySqlCommand cmd = new MySqlCommand(query, connection))
{
cmd.Parameters.AddWithValue("@countryName", countryName);
object result = cmd.ExecuteScalar();
if (result != null && result != DBNull.Value)
{
countryId = Convert.ToInt32(result);
}
}
}
}
catch (Exception ex)
{
// TODO: Implement robust exception handling, logging, and user notification as per assignment A2b/A3b.
Console.WriteLine($"Error getting country ID: {ex.Message}");
}
return countryId;
}
public static int AddCountry(Country country)
{
int countryId = 0;
using MySqlConnection connection = new MySqlConnection(AppSettings.GetSetting("ConnectionStrings", "DefaultConnection"));
try
{
connection.Open();
// Removed countryId from INSERT statement as it's auto-incremented
string query =
"INSERT INTO country (countryId, country, createDate, createdBy, lastUpdate, lastUpdateBy) " +
"VALUES (@countryId, @countryName, @createDate, @createdBy, @lastUpdate, @lastUpdateBy)";
"INSERT INTO country (country, createDate, createdBy, lastUpdate, lastUpdateBy) " +
"VALUES (@countryName, @createDate, @createdBy, CURRENT_TIMESTAMP, @lastUpdateBy); " + // Use CURRENT_TIMESTAMP for lastUpdate
"SELECT LAST_INSERT_ID();"; // Get the newly generated ID
using MySqlCommand command = new MySqlCommand(query, connection);
command.Parameters.AddWithValue("@countryId", country.CountryID);
command.Parameters.AddWithValue("@countryName", country.CountryName);
command.Parameters.AddWithValue("@createDate", DateTime.UtcNow);
command.Parameters.AddWithValue("@createdBy", AppState.CurrentUser.Username);
command.Parameters.AddWithValue("@lastUpdate", DateTime.UtcNow);
command.Parameters.AddWithValue("@lastUpdateBy", AppState.CurrentUser.Username);
command.ExecuteNonQuery();
object result = command.ExecuteScalar();
if (result != null && result != DBNull.Value)
{
countryId = Convert.ToInt32(result);
}
}
catch (MySqlException e)
{
@ -839,6 +928,7 @@ public static class DatabaseHelper
Console.WriteLine($"General Error: {ex.Message}");
throw;
}
return countryId;
}
public static void UpdateCountry(Country country)
@ -850,12 +940,11 @@ public static class DatabaseHelper
string query =
"UPDATE country SET country = @countryName, " +
"lastUpdate = @lastUpdate, lastUpdateBy = @lastUpdateBy WHERE countryId = @countryId";
"lastUpdate = CURRENT_TIMESTAMP, lastUpdateBy = @lastUpdateBy WHERE countryId = @countryId"; // Use CURRENT_TIMESTAMP for lastUpdate
using MySqlCommand command = new MySqlCommand(query, connection);
command.Parameters.AddWithValue("@countryName", country.CountryName);
command.Parameters.AddWithValue("@lastUpdate", DateTime.UtcNow);
command.Parameters.AddWithValue("@lastUpdateBy", AppState.CurrentUser.Username);
command.Parameters.AddWithValue("@countryId", country.CountryID);
@ -900,4 +989,5 @@ public static class DatabaseHelper
{
DeleteCountry(country.CountryID);
}
}
}

2
C969Project/RecordsForm.cs
View File

@ -16,12 +16,14 @@ public partial class RecordsForm : Form
AddButton.Click += (sender, args) =>
{
_form.InitAdd();
_form.Closed += (o, args2) => { UpdateCustomersList(); };
};
ModifyButton.Click += (sender, args) =>
{
var selectedCustomer = _customers[CustomersDataGrid.CurrentCell.RowIndex];
_form.InitUpdate(selectedCustomer);
_form.Closed += (o, args2) => { UpdateCustomersList(); };
};
DeleteButton.Click += (sender, args) =>