/// <summary>
/// Method Name: SaveDatabase.
/// The purpose of this method is to parse the database into an output string to save to a file. This method
/// ensures that all of the database items it is outputting are valid, else it will not ouptut them. The format
/// in which a database item is outputted is as such:
/// (Employee Type)|(Last Name)|(First Name)|(SIN)|(SubField1)|(SubField2)|(SubField3)|
/// </summary>
/// <returns></returns>
public bool SaveDatabase()
{
String fileOutput;
FullTimeEmployee ft = new FullTimeEmployee();
PartTimeEmployee pt = new PartTimeEmployee();
ContractEmployee c = new ContractEmployee();
SeasonalEmployee s = new SeasonalEmployee();
//Clear the file.
FileStream db = databaseFile.Openfile("dbase.dtb", 'W');
databaseFile.WriteToFile(db, "");
databaseFile.CloseFile(db);
//Insert a default header comment.
fileOutput = ";\r\n;EMS Database File\r\n;Save Date: " + DateTime.Now.ToString() + "\r\n;Comments:\r\n;\r\n";
//For each employee in the database.
databaseContainer.ForEach(delegate(Employee entry)
{
//If the employee is valid.
if (entry.Validate())
{
//Parse each field for output.
fileOutput = fileOutput + entry.GetEmployeeType();
fileOutput = fileOutput + "|" + entry.GetLastName();
fileOutput = fileOutput + "|" + entry.GetFirstName();
fileOutput = fileOutput + "|" + entry.GetSocialNumber();
//If the date is 0
if (entry.GetDateOfBirth() == new DateTime(0))
{
//Output N/A
fileOutput = fileOutput + "|" + "N/A";
}
else
{
fileOutput = fileOutput + "|" + entry.GetDateOfBirth().Year + "-" + entry.GetDateOfBirth().Month + "-" + entry.GetDateOfBirth().Day;
}
//Get the employee type.
switch (entry.GetEmployeeType())
{
//If the employee is a Full Time employee.
case "FT":
ft = (FullTimeEmployee)entry;
//If the date is 0.
if (ft.GetDateOfHire() == new DateTime(0))
{
//Output N/A.
fileOutput = fileOutput + "|" + "N/A";
}
else
{
fileOutput = fileOutput + "|" + ft.GetDateOfHire().Year + "-" + ft.GetDateOfHire().Month + "-" + ft.GetDateOfHire().Day;
}
//If the date is 0.
if (ft.GetDateOfTermination() == new DateTime(0))
{
//Output N/A.
fileOutput = fileOutput + "|" + "N/A";
}
else
{
fileOutput = fileOutput + "|" + ft.GetDateOfTermination().Year + "-" + ft.GetDateOfTermination().Month + "-" + ft.GetDateOfTermination().Day;
}
fileOutput = fileOutput + "|" + ft.GetSalary();
break;
//If the employee is a Part Time employee.
case "PT":
pt = (PartTimeEmployee)entry;
//If the date is 0.
if (pt.GetDateOfHire() == new DateTime(0))
{
//Output N/A.
fileOutput = fileOutput + "|" + "N/A";
}
else
{
fileOutput = fileOutput + "|" + pt.GetDateOfHire().Year + "-" + pt.GetDateOfHire().Month + "-" + pt.GetDateOfHire().Day;
}
//If the date is 0.
if (pt.GetDateOfTermination() == new DateTime(0))
{
//Out N/A.
fileOutput = fileOutput + "|" + "N/A";
}
else
{
fileOutput = fileOutput + "|" + pt.GetDateOfTermination().Year + "-" + pt.GetDateOfTermination().Month + "-" + pt.GetDateOfTermination().Day;
}
fileOutput = fileOutput + "|" + pt.GetHourlyWage();
break;
//If the employee is a Contract Employee.
case "CT":
c = (ContractEmployee)entry;
//If the date is 0.
if (c.GetContractStartDate() == new DateTime(0))
{
//Output N/A.
fileOutput = fileOutput + "|" + "N/A";
}
else
{
fileOutput = fileOutput + "|" + c.GetContractStartDate().Year + "-" + c.GetContractStartDate().Month + "-" + c.GetContractStartDate().Day;
}
//If the date is 0.
if (c.GetContractStopDate() == new DateTime(0))
{
//Output N/A.
fileOutput = fileOutput + "|" + "N/A";
}
else
{
fileOutput = fileOutput + "|" + c.GetContractStopDate().Year + "-" + c.GetContractStartDate().Month + "-" + c.GetContractStartDate().Day;
}
fileOutput = fileOutput + "|" + c.GetFixedContractAmount();
break;
//The the employee is a Seasonal Employee.
case "SN":
s = (SeasonalEmployee)entry;
fileOutput = fileOutput + "|" + Enum.GetName(typeof(Season), (s.GetSeason()));
fileOutput = fileOutput + "|" + s.GetPiecePay();
break;
}
fileOutput = fileOutput + "|\r\n";
}
});
//Write the parsed output string to a file.
db = databaseFile.Openfile("dbase.dtb", 'W');
databaseFile.WriteToFile(db, fileOutput);
databaseFile.CloseFile(db);
return true;
}
/// <summary>
/// Method Name: UpdateEmployeeData.
/// The purpose of this method is to allow a user to enter a SIN corresponding to an employee that they wish to update.
/// A menu will then be presented in the console that will allow the user to update specific attributes found in any
/// of the four employee types. The user also has the option of changing all attributes.
/// </summary>
/// <returns></returns>
public bool UpdateEmployeeData()
{
// initialize local variables
int foundElement = 0;
String SIN = "";
int returnedResult = 0;
bool result = false;
float salary = 0, hourlyRate = 0, piecePay = 0, contractorsFixedAmount = 0;
int i = 0;
String input = "";
String firstName = "";
String lastName = "";
String temp = "";
// create objects of each type of employee to be used depending on what type of employee
// the user is updating
Employee baseEmployee = new Employee();
FullTimeEmployee ftEmployee = new FullTimeEmployee();
PartTimeEmployee ptEmployee = new PartTimeEmployee();
ContractEmployee cEmployee = new ContractEmployee();
SeasonalEmployee sEmployee = new SeasonalEmployee();
// get the user to enter a SIN number of the employee they would like to update
Console.WriteLine("Please enter the SIN number of the employee you would like to update:");
// get the user to enter the sin until
SIN = Console.ReadLine().Replace(" ", "") ;
// reset the returnedResult
returnedResult = 0;
// find the element based on the employee's SIN number
for (i = 0; i < databaseContainer.Count; i++)
{
// if the sin number is found in the database set the
// found element to be that index
if (databaseContainer[i].GetSocialNumber() == SIN)
{
foundElement = i;
returnedResult++;
}
}
// if the result was 0 then the Employee with the SIN entered from the user
// was not found in the database - return false
if (returnedResult == 0)
{
Console.WriteLine("Could not find employee with the specified SIN");
logfile.Log(new System.Diagnostics.StackTrace().GetFrame(0).GetMethod().Name, 'M', 'F', (databaseContainer[foundElement].GetFirstName() + " " + databaseContainer[foundElement].GetLastName()));
return false;
}
// until the user presses 9 allow them to update the employee with the SIN they
// previously entered
while (input != "9")
{
// clear the console and display the menu
Console.Clear();
// set the baseEmployee to be the employee found in the database
baseEmployee = databaseContainer[foundElement];
Console.WriteLine("Currently Updating : {0} {1}", databaseContainer[foundElement].GetFirstName(), databaseContainer[foundElement].GetLastName());
Console.WriteLine("Updates Available:");
Console.WriteLine("\t1. First Name.");
Console.WriteLine("\t2. Last Name/Business.");
Console.WriteLine("\t3. SIN.");
Console.WriteLine("\t4. Date Of Birth.");
Console.WriteLine("\t5. Date Of Hire, Contract Start Date, Season");
Console.WriteLine("\t6. Salary, PiecePay, Fixed Contract Amount, Hourly Wage");
Console.WriteLine("\t7. Date of Termination, Contract End Date");
Console.WriteLine("\t8. Update All Information");
Console.WriteLine("\t9. Exit");
// read the user's menu choice
input = Console.ReadLine();
// if the option is 1 to 4 then no casting needs to be done to find out which
// type of employee it is because those attributes are found in all employees
if (input == "1" || input == "2" || input == "3" || input == "4")
{
logfile.Log(new System.Diagnostics.StackTrace().GetFrame(0).GetMethod().Name, 'M', 'S', (databaseContainer[foundElement].GetFirstName() + " " + databaseContainer[foundElement].GetLastName()));
// switch on the input
switch (input)
{
// modify the first name
case "1":
if (baseEmployee.GetEmployeeType() != "CT")
{
// display the current employee's firstname
Console.WriteLine("Current employee's first name: {0} \n", baseEmployee.GetFirstName());
// get the employee's first name, make the user enter it until
// it is valid
Console.WriteLine("Please enter a new first name:");
firstName = Console.ReadLine().Replace(" ", "");
if (firstName == "")
{
result = false;
}
else
{
result = baseEmployee.SetFirstName(firstName);
}
while (result == false)
{
Console.WriteLine("Please re-enter a valid employee's first name:");
firstName = Console.ReadLine().Replace(" ", "");
if (firstName == "")
{
result = false;
}
else
{
result = baseEmployee.SetFirstName(firstName);
}
}
}
break;
// modify the last name
case "2":
if (baseEmployee.GetEmployeeType() != "CT")
{
// display the current employee's last name
Console.WriteLine("Current employee's last name: {0}\n", baseEmployee.GetLastName());
// get the employee's last name, make the user enter a last name
// until it is a valid string
Console.WriteLine("Please enter a new last name:");
lastName = Console.ReadLine().Replace(" ", "");
if (lastName == "")
{
result = false;
}
else
{
result = baseEmployee.SetLastName(lastName);
}
while (result == false)
{
Console.WriteLine("Please re-enter a valid employee's last name:");
lastName = Console.ReadLine().Replace(" ", "");
if (lastName == "")
{
result = false;
}
else
{
result = baseEmployee.SetLastName(lastName);
}
}
}
else
{
Console.WriteLine("Please enter a bussiness name:");
lastName = Console.ReadLine();
temp = lastName.Replace(" ", "");
if (temp == "")
{
result = false;
}
else
{
result = baseEmployee.SetLastName(lastName);
}
while (result == false)
{
Console.WriteLine("Please re-enter a valid business name:");
lastName = Console.ReadLine();
temp = lastName.Replace(" ", "");
if (temp == "")
{
result = false;
}
else
{
result = baseEmployee.SetLastName(lastName);
}
}
}
break;
// modify the employee's social insurance number
case "3":
// display the current employee's social insurance number
Console.WriteLine("Current employee's social insurance number : {0}\n", baseEmployee.GetSocialNumber());
// get the employee's social insurance number, make user re-enter the SIN until
// it is valid
Console.WriteLine("Please enter the employee's Social Insurance Number:");
while (result == false)
{
Console.WriteLine("Please re-enter a valid employee's Social Insurance Number:");
result = baseEmployee.SetSocialNumber(Console.ReadLine());
}
break;
// modify the employee's date of birth
case "4":
// display the current employee's date of birth
Console.WriteLine("Current employee's date of birth : {0}\n", baseEmployee.GetDateOfBirth().ToShortDateString());
// get the employee's date of birth, make the user re-enter the birth date until
// it is valid
Console.WriteLine("Please enter the employee's date of birth <YYYY-MM-DD>:");
result = baseEmployee.SetDateOfBirth(Console.ReadLine());
while (result == false)
{
Console.WriteLine("Please re-enter a valid employee's date of birth <YYYY-MM-DD>:");
result = baseEmployee.SetDateOfBirth(Console.ReadLine());
}
break;
}
}
// if were modifying attributes under the menu options 5 - 8
// then the attributes change accordingly to which type of employee being modified
else
{
logfile.Log(new System.Diagnostics.StackTrace().GetFrame(0).GetMethod().Name, 'M', 'F', (databaseContainer[foundElement].GetFirstName() + " " + databaseContainer[foundElement].GetLastName()));
// switch on the employee type
switch (databaseContainer[foundElement].GetEmployeeType())
{
// if it's a full time employee being modified then:
//
// date of hire is being modifited when option 5 is pressed
// yearly salary is being modified when option 6 is pressed
// date of termination is being modified when option 7 is pressed
case "FT":
// cast the base employee as a full time employee
ftEmployee = (FullTimeEmployee)baseEmployee;
switch (input)
{
// update date of hire
case "5":
// display the current date of hire and get the user to enter the
// new date of hire
Console.WriteLine("Current Date of Hire : {0}", ftEmployee.GetDateOfHire().ToShortDateString());
// get the date the employee was hired
Console.WriteLine("Please enter the date the employee was hired");
// get teh new date until it is valid
result = ftEmployee.SetDateOfHire(Console.ReadLine());
while (result == false)
{
Console.WriteLine("Please enter a valid date in which the employee was hired");
result = ftEmployee.SetDateOfHire(Console.ReadLine());
}
break;
// update yearly salary
case "6":
// display the current salary and get the user to enter a new salary
Console.WriteLine("Current Salary is : {0}", ftEmployee.GetSalary());
// get the employee's yearly salary
Console.WriteLine("Please enter the employee's yearly salary (example 45000.54):");
while (true)
{
try
{
salary = float.Parse(Console.ReadLine());
ftEmployee.SetSalary(salary);
break;
}
catch
{
Console.WriteLine("Please re-enter a valid employee's salary (example 45000.54):");
}
}
break;
// update the date of termination
case "7":
// display the current salary and get the user to enter a new salary
Console.WriteLine("Current date of Termination is : {0}", ftEmployee.GetDateOfTermination().ToShortDateString());
// get the date of termination if the employee was fired
Console.WriteLine("Please enter a date of termination or enter a '0' if the \nemployee is still employed at your company <YYYY-MM-DD>:");
result = ftEmployee.SetDateOfTermination(Console.ReadLine());
while (result == false)
{
Console.WriteLine("Please re-enter a valid date of termination or enter a '0' if the \nemployee is still employed at your company <YYYY-MM-DD>:");
result = ftEmployee.SetDateOfTermination(Console.ReadLine());
}
break;
// update all employee information
case "8":
Console.Clear();
Console.WriteLine("Employee's current information:");
ftEmployee.Details();
Console.WriteLine("\n");
// if the user is updating all data for an employee remove the current one
// and get them to update all fields by calling the add function
databaseContainer.RemoveAt(foundElement);
this.AddFullTimeEmployee();
break;
}
break;
// if the employee type is a part time employee then:
//
// option 5 updates the employee's date of hire
// option 6 updates the employee's hourly wage
// option 7 updates the employee's date of termination
// option 8 updates all fields
case "PT":
// cast the base employee as a part time employee
ptEmployee = (PartTimeEmployee)baseEmployee;
// switch on the input number
switch (input)
{
// update the employee's hire date
case "5":
// display the current date of hire and get the user to enter the
// new date of hire
Console.WriteLine("Current Date of Hire : {0}", ptEmployee.GetDateOfHire().ToShortDateString());
// get the new date from the user
Console.WriteLine("Please enter the date the employee was hired <YYYY-MM-DD>:");
result = ptEmployee.SetDateOfHire(Console.ReadLine());
while (result == false)
{
Console.WriteLine("Please enter a valid date in which the employee was hired <YYYY-MM-DD>:");
result = ptEmployee.SetDateOfHire(Console.ReadLine());
}
break;
// update the employee's hourly wages
case "6":
// display the current date of hire and get the user to enter the
// new date of hire
Console.WriteLine("Current employee's hourly wages : {0}", ptEmployee.GetHourlyWage());
// get the employee's hourly wages
Console.WriteLine("Please enter the employee's hourly wage(ie. 15.00):");
while (true)
{
try
{
// attempt to parse if it does not succeed then it will throw an exception
hourlyRate = float.Parse(Console.ReadLine());
ptEmployee.SetHourlyRate(hourlyRate);
break;
}
catch
{
// display the error message to the user
Console.WriteLine("Please re-enter a valid employee's hourly wage(ie. 15.00):");
}
}
break;
// update the employee's date of termination
case "7":
// display the current date of hire and get the user to enter the
// new date of hire
Console.WriteLine("Current Employee's date of termination : {0}", ftEmployee.GetDateOfTermination().ToShortDateString());
// get the new date of termination
Console.WriteLine("Please enter a date of termination or enter a '0' if the \nemployee is still employed at your company <YYYY-MM-DD>:");
result = ptEmployee.SetDateOfTermination(Console.ReadLine());
while (result == false)
{
Console.WriteLine("Please re-enter a valid date of termination or enter a '0' if the \nemployee is still employed at your company <YYYY-MM-DD>:");
result = ptEmployee.SetDateOfTermination(Console.ReadLine());
}
break;
case "8":
Console.Clear();
Console.WriteLine("Employee's current information:");
ptEmployee.Details();
Console.WriteLine("\n");
// if the user is updating all data for an employee remove the current one
// and get them to update all fields by calling the add function
databaseContainer.RemoveAt(foundElement);
this.AddPartTimeEmployee();
break;
}
break;
// if were modifying a Contract Employee then
//
// option 5 is modifying the date in which the contract employee started
// option 6 is the fixed contract amount
// option 7 is modifying the date in which the contract employee ended their work
case "CT":
// cast the base employee as a contract employee
cEmployee = (ContractEmployee)baseEmployee;
switch (input)
{
// modify the date which the contract employee started
case "5":
// display the current date the empployee began
Console.WriteLine("Current contract employee's start date : {0}", cEmployee.GetContractStartDate().ToShortDateString());
// get the start date in which the contractor began work
Console.WriteLine("Please enter the start date for the contracted employee <YYYY-MM-DD>:");
result = cEmployee.SetContractStartDate(Console.ReadLine());
while (result == false)
{
Console.WriteLine("Please enter a valid date in which the employee was hired <YYYY-MM-DD>:");
result = cEmployee.SetContractStopDate(Console.ReadLine());
}
break;
// modify the fixed amount pay the contractor received
case "6":
// display the current fixed amount pay the contractor received
Console.WriteLine("Current contractor's fixed pay amount : {0}", cEmployee.GetFixedContractAmount());
// get the contractor's fixed amount of pay
Console.WriteLine("Please enter the contractor's fixed amount of pay (e.g. 4570.80):");
while (true)
{
try
{
contractorsFixedAmount = float.Parse(Console.ReadLine());
cEmployee.SetFixedContractAmount(contractorsFixedAmount);
break;
}
catch
{
Console.WriteLine("Please re-enter a valid contractor's fixed amount of pay (e.g. 4570.80):");
}
}
break;
// modify the date in which the contractor ended work
case "7":
// display the current date the empployee began
Console.WriteLine("Current contract employee's stop date : {0}", cEmployee.GetContractStopDate().ToShortDateString());
// get the date in which the contractor ended the work
Console.WriteLine("Please enter the date the contractor ended \nworking for your company <YYYY-MM-DD>:");
result = cEmployee.SetContractStopDate(Console.ReadLine());
while (result == false)
{
Console.WriteLine("Please re-enter the date the contractor \nended working for your company <YYYY-MM-DD>:");
result = cEmployee.SetContractStopDate(Console.ReadLine());
}
break;
// modify all the data in the current contract employee
case "8":
Console.Clear();
Console.WriteLine("Employee's current information:");
cEmployee.Details();
Console.WriteLine("\n");
// if the user is updating all data for an employee remove the current one
// and get them to update all fields by calling the add function
databaseContainer.RemoveAt(foundElement);
this.AddContractEmployee();
break;
}
break;
// if we are modifying a seasonal employee
//
// option 5 modifies the season in which the employee was employed
// option 6 modifies the piece pay in which the employee received while employed
// option 8 modifies all the attributes
case "SN":
sEmployee = (SeasonalEmployee)baseEmployee;
switch (input)
{
// modify the season
case "5":
// display the season in which the employee was employed
Console.WriteLine("Current employee's season of employment : {0}", sEmployee.GetSeason());
// get the season in which the employee was employed
Console.WriteLine("Please enter the season in which the employee was employed:");
result = sEmployee.SetSeason(Console.ReadLine());
while (result == false)
{
Console.WriteLine("Please re-enter a valid season in which the employee was employed:");
result = sEmployee.SetSeason(Console.ReadLine());
}
break;
// modify the piece pay
case "6":
// display the season in which the employee was employed
Console.WriteLine("Current employee's piece pay : {0}", sEmployee.GetPiecePay());
// get the pay in which the employee received
Console.WriteLine("Please enter the piece pay which the employee received for their work:");
while (true)
{
try
{
piecePay = float.Parse(Console.ReadLine());
sEmployee.SetPiecePay(piecePay);
break;
}
catch
{
Console.WriteLine("Please re-enter a valid piece in which the employee received for their work:");
}
}
break;
// modify all attributes
case "8":
Console.Clear();
Console.WriteLine("Employee's current information:");
sEmployee.Details();
Console.WriteLine("\n");
// if the user is updating all data for an employee remove the current one
// and get them to update all fields by calling the add function
databaseContainer.RemoveAt(foundElement);
this.AddSeasonalEmployee();
break;
}
break;
}/* End Switch */
}/* End Else Statement*/
}/* End While Loop*/
return true;
}