public bool PlaceEmployee(EmployeeContract employee)
{
using (var db = new TimeManagerContext())
{
try
{
var existEmployee = from e in db.Employees
where e.FirstName == employee.FirstName &&
e.LastName == employee.LastName
select e;
if (existEmployee.Count() == 0)
{
db.Employees.Add(new Employee {
FirstName = employee.FirstName, LastName = employee.LastName
});
db.SaveChanges();
}
else
{
return(false);
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
return(true);
}
public bool RemoveEmployee(int employeeId)
{
using (var db = new TimeManagerContext())
{
try
{
var removeEmployee = from e in db.Employees
where e.EmployeeId == employeeId
select e;
foreach (var employee in removeEmployee)
{
db.Employees.Remove(employee);
}
var removeEmployeeElapsedTime = from t in db.ElapsedTimes
where t.EmployeeId == employeeId
select t;
foreach (var employee in removeEmployeeElapsedTime)
{
db.ElapsedTimes.Remove(employee);
}
db.SaveChanges();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
return(true);
}
// Obtain of time
public bool ObtainTime(ObtainTimeContract obtainTime)
{
using (var db = new TimeManagerContext())
{
try
{
var currentRecords = from oT in db.ElapsedTimes
where oT.ProjectId == obtainTime.ProjectId &&
oT.EmployeeId == obtainTime.EmployeeId
select oT;
if (currentRecords.Count() > 0)
{
foreach (var time in currentRecords)
{
time.Time += obtainTime.HoursAmount;
}
}
else
{
db.ElapsedTimes.Add(new ElapsedTime {
Time = obtainTime.HoursAmount, ProjectId = obtainTime.ProjectId, EmployeeId = obtainTime.EmployeeId
});
}
db.SaveChanges();
}
catch (Exception ex)
{
// throw new FaultException<string>
Console.WriteLine(ex.Message);
}
}
return(true);
}
public bool RemoveProject(int projectId)
{
using (var db = new TimeManagerContext())
{
try
{
var removeProject = from e in db.Projects
where e.ProjectId == projectId
select e;
foreach (var project in removeProject)
{
db.Projects.Remove(project);
}
var removeProjectEladsedTime = from t in db.ElapsedTimes
where t.ProjectId == projectId
select t;
foreach (var project in removeProjectEladsedTime)
{
db.ElapsedTimes.Remove(project);
}
db.SaveChanges();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
return(true);
}
// Operate on Employee
public EmployeeContract[] GetAllEmployees()
{
EmployeeContract[] employees = null;
using (var db = new TimeManagerContext())
{
try
{
var query = from e in db.Employees
orderby e.FirstName
select e;
employees = new EmployeeContract[query.Count()];
int counter = 0;
foreach (var item in query)
{
employees[counter] = new EmployeeContract {
EmployeeId = item.EmployeeId, FirstName = item.FirstName, LastName = item.LastName
};
counter++;
}
}
catch (Exception ex)
{
// throw new FaultException<string>
Console.WriteLine(ex.Message);
}
}
return(employees);
}
public bool PlaceProject(ProjectContract project)
{
using (var db = new TimeManagerContext())
{
try
{
var existRecords = from p in db.Projects
where p.Name == project.Name
select p;
if (existRecords.Count() == 0)
{
db.Projects.Add(new Project {
Name = project.Name
});
db.SaveChanges();
}
else
{
return(false);
}
}
catch (Exception ex)
{
// throw new FaultException<string>
Console.WriteLine(ex.Message);
}
}
return(true);
}
// Operate on Projects
public ProjectContract[] GetAllProjects()
{
ProjectContract[] projects = null;
using (var db = new TimeManagerContext())
{
try
{
var query = from p in db.Projects
orderby p.Name
select p;
projects = new ProjectContract[query.Count()];
int counter = 0;
foreach (var item in query)
{
projects[counter] = new ProjectContract {
ProjectId = item.ProjectId, Name = item.Name
};
counter++;
}
}
catch (Exception ex)
{
// throw new FaultException<string>
Console.WriteLine(ex.Message);
}
}
return(projects);
}
// Get Report
public string[] GetReport()
{
ArrayList reportList = null;
using (var db = new TimeManagerContext())
{
try
{
reportList = new ArrayList();
reportList.Add(" Report about time that was spent to the projects and amount of involved employees.");
reportList.Add("");
var projectsQuery = from p in db.Projects
orderby p.Name
select p;
int projectCount = 1;
foreach (var project in projectsQuery)
{
var timeQuery = from oT in db.ElapsedTimes
where oT.ProjectId == project.ProjectId
select oT;
if (timeQuery.Count() != 0)
{
int elapsedTime = 0;
foreach (var time in timeQuery)
{
elapsedTime += time.Time;
}
reportList.Add(String.Format("{0}. The project {1} have been involved {2} employees, and have took about {3} days and {4} hours,",
projectCount, project.Name, timeQuery.Count(), elapsedTime / 8, elapsedTime % 8));
reportList.Add("more details:");
foreach (var time in timeQuery)
{
var employeeQuery = from e in db.Employees
where e.EmployeeId == time.EmployeeId
select e;
reportList.Add(String.Format(" - {0} {1} has spent to the projec about {2} days and {3} hours, what is {4:P2} about of all project time;",
employeeQuery.First().FirstName, employeeQuery.First().LastName, time.Time / 8, time.Time % 8, time.Time * 1.0 / elapsedTime));
}
reportList.Add("");
projectCount++;
}
else
{
reportList.Add("Sorry, but project with involved employees and time spending isn't exist.");
}
}
}
catch (Exception ex)
{
// throw new FaultException<string>
Console.WriteLine(ex.Message);
}
}
return((string[])reportList.ToArray(typeof(string)));;
}
public ProjectRepository(TimeManagerContext dbContext)
{
_projects = dbContext.Projects;
_dbContext = dbContext;
}
