/// <summary>
/// Starts a new session for employee, returns bool val for success state
/// </summary>
/// <param name="EmployeeID"></param>
/// <returns></returns>
public bool StartSession(int EmployeeID, int SalaryId)
{
using (var ctx = new EmployeesContext())
{
//Query here to be in the same context
EmployeeModel Employee = ctx.Employees.Find(EmployeeID);
var Job = ctx.JobModels.Find(Employee.JobId);
var query = ctx.Salaries.Where(salary => salary.Jobs.Any(job => job.JobName == Job.JobName)).ToList();
var collection = new ObservableCollection <Salary>(query);
if (Employee != null)
{
//Sets clocked in time to now
Employee.ClockedInTime = TimeSpan.Parse(DateTime.Now.ToString("HH:mm:ss"));
//Find employee's salary object
var indicatedSalary = collection.Where(x => x.SalaryId == SalaryId).First();
//Set current salary object to the one found by indicatedSalary
Employee.CurrentSalary = indicatedSalary;
Employee.IsClockedIn = true;
ctx.SaveChanges();
return(true);
}
else
{
return(false);
}
}
}
/// <summary>
/// Searchs for an employee based on first name. Note that there are overloads for different search parameters
/// </summary>
/// <param name="name"></param>
/// <returns></returns>
public EmployeeModel SearchForEmployeeName(string name)
{
using (var ctx = new EmployeesContext())
{
EmployeeModel query;
try
{
query = (from s in ctx.Employees
where s.FirstName == name
select s).FirstOrDefault();
}
catch (Exception error)
{
ShowError(error);
return(null);
}
if (query != null)
{
return(query);
}
else
{
return(null);
}
}
}
public EmployeeModel SearchForEmployeeID(int id)
{
using (var ctx = new EmployeesContext())
{
EmployeeModel query;
try
{
query = (from s in ctx.Employees
where s.EmployeeId == id
select s).First();
}
catch (Exception error)
{
ShowError(error);
query = null;
}
if (query != null)
{
return(query);
}
else
{
return(null);
}
}
}
/// <summary>
/// Return the indicated salary of an employee. Does not return a list.
/// </summary>
/// <param name="employeeID"></param>
/// <param name="desiredSalary"></param>
/// <returns></returns>
public Salary GetSalary(int employeeID, string desiredSalary)
{
using (var ctx = new EmployeesContext())
{
var employee = ctx.Employees.Find(employeeID);
var Job = employee.Job;
//var SalaryObject = ctx.Salaries
Salary query;
try
{
var SalaryObject = ctx.Salaries.Where(x => x.SalaryName.Contains(desiredSalary)).FirstOrDefault();
query = Job.Salarys.Where(salary => salary == SalaryObject).First();
//var query = ctx.JobModels.Where(job => job.Salarys.Any(salary => salary.SalaryId == SalaryObject.SalaryId));
}
catch (Exception error)
{
query = null;
ShowError(error);
}
return(query);
}
}
/// <summary>
/// Returns all employee names, queries all employees, NEEDS TO BE PURPOSE FIXED
/// </summary>
/// <returns></returns>
public ObservableCollection <EmployeeModel> GetAllEmployeeNames()
{
using (var ctx = new EmployeesContext())
{
var query = (from s in ctx.Employees
select s).ToList();
var ObservableCollectionEmployeeName = new ObservableCollection <EmployeeModel>(query);
return(ObservableCollectionEmployeeName);
}
}
public ObservableCollection <EmployeeModel> GetAllEmployees()
{
using (var ctx = new EmployeesContext())
{
var query = (from s in ctx.Employees
.Include(x => x.Job)
.Include(x => x.CurrentSalary.EmployeeModel)
.Include(x => x.CurrentSalary)
select s).ToList();
var ObservableEmployeeCollection = new ObservableCollection <EmployeeModel>(query);
return(ObservableEmployeeCollection);
}
}
/// <summary>
/// Ends a current session, by replacing the clock in time, calculating the hours worked, and inputting that into Employee's totalhours
/// </summary>
/// <remarks>
/// NOTE THAT HOURS ARE NOT ROUNDED AND ANY VALUES NOT IN HOUR'S PLACE ARE TRUNCATED
/// </remarks>
/// <param name="id"></param>
/// <returns></returns>
public bool EndSession(int id)
{
using (var ctx = new EmployeesContext())
{
EmployeeModel Employee = ctx.Employees
.Include(x => x.CurrentSalary)
.Where(x => x.EmployeeId == id).First();
var currentTime = TimeSpan.Parse(DateTime.Now.ToString("HH:mm:ss"));
if (Employee != null && Employee.ClockedInTime != null)
{
if (Employee.ClockedInTime <= currentTime)
{
//Calculate time worked in hours
TimeSpan TimeWorked = ((TimeSpan)(currentTime - Employee.ClockedInTime));
//Add hours worked to employee's record
Employee.HoursWorked += TimeWorked.Hours;
//Reset employee's clocked in time, note that ClockedInTime is null, as datetime will be assigned by StartSession()
Employee.ClockedInTime = null;
//Calculate pay for session
double TotalPay = (TimeWorked.Hours * Employee.CurrentSalary.PayPerHour);
//Assign pay for session to Employee Records
Employee.TotalPay += TotalPay;
//Remove CurrentSalary to be null
Employee.CurrentSalary = null;
Employee.IsClockedIn = false;
ctx.SaveChanges();
return(true);
}
else
{
return(false);
}
}
else
{
return(false);
}
}
}
/// <summary>
/// Determines what to do with a logging in employee, and determines their current salary rates. Returns the employee as indicated by rfid_ID
/// </summary>
/// <param name="rfid_ID"></param>
public void ChooseSessionStart(EmployeeModel employee)
{
//Query required info regarding salaries
var EmployeeSalaries = BusinessLayerDataAccces.GetAllEmployeeSalaries(employee.EmployeeId);
var lunchSalary = EmployeeSalaries.Where(x => x.SalaryName.Contains("lunch")).First();
var normalSalary = EmployeeSalaries.Where(x => x.SalaryName.Contains("normalPay")).First();
var currentTime = TimeSpan.Parse(DateTime.Now.ToString("HH:mm:ss"));
using (var ctx = new EmployeesContext())
{
ctx.Configuration.LazyLoadingEnabled = false;
var EmployeeJob = ctx.JobModels.Find(employee.JobId); //workaround to null error
if (currentTime >= lunchSalary.StartTime && currentTime <= lunchSalary.EndTime) //is it lunch time? set lunch salary if such
{
if (employee.ClockedInTime != null) // if employee is currently working...
{
bool sessionEnded = EndSession(employee.EmployeeId); // end session
if (sessionEnded)
{
StartSession(employee.EmployeeId, lunchSalary.SalaryId);
}
else
{
throw new Exception("Session couldn't end");
}
}
}
else if ((currentTime >= normalSalary.StartTime && currentTime <= normalSalary.EndTime)) // if employee is in working hours
{
if (employee.ClockedInTime == null)
{
StartSession(employee.EmployeeId, normalSalary.SalaryId);
}
else
{
EndSession(employee.EmployeeId);
}
}
else
{
MessageBox.Show("You are not within working hours");
}
}
}
public ObservableCollection <Salary> GetAllEmployeeSalaries(int employeeID)
{
using (var ctx = new EmployeesContext())
{
var employee = ctx.Employees.Find(employeeID);
JobModel Job = ctx.JobModels.Find(employee.JobId);
try
{
var query = ctx.Salaries.Where(salary => salary.Jobs.Any(job => job.JobName == Job.JobName)).ToList();
return(new ObservableCollection <Salary>(query));
}
catch (Exception error)
{
ShowError(error);
return(null);
}
}
}
public EmployeeModel SearchByEmployeeRFID(string rfid_id)
{
using (var ctx = new EmployeesContext())
{
//Cleans rfid_id from carriage returns or newlines
char[] charsToTrim = { '\r', '\n' };
string cleanID = rfid_id.Trim(charsToTrim);
var query = (from s in ctx.Employees
where s.RFID_ID == cleanID
select s).First();
if (query != null)
{
return(query);
}
else
{
return(null);
}
}
}
