public IQueryable <AccessHistory> GetSuspiciousActivity(DateTime begin, DateTime to)
{
using (BuildingSecurityContext securityContext = new BuildingSecurityContext())
{
IQueryable <AccessHistory> result = Enumerable.Empty <AccessHistory>().AsQueryable();
var dates = from total in securityContext.AccessHistories
where total.AttemptDate >= begin && total.AttemptDate <= to
where total.Result == false
select total;
// var temp = securityContext.AccessHistories.Where(x => x.AttemptDate >= begin && x.AttemptDate <= to && x.Result == false);
foreach (var item in dates.ToList())
{
var res = item.AttemptDate.AddMinutes(2);
result = dates.Where(x => x.AttemptDate == item.AttemptDate || x.AttemptDate > res && x.Result != true);
}
Console.WriteLine("To print the results type the word print");
string print = Console.ReadLine();
if (print == "print")
{
foreach (var item in result.ToList())
{
Console.WriteLine(item.AccessHistoryID);
Console.WriteLine(item.AttemptDate);
Console.WriteLine(item.Door.Room + "\t" + item.DoorID);
Console.WriteLine(item.Employees.Name + "\t" + item.EmployeeId);
Console.WriteLine(item.Result);
}
}
return(result);
}
}
public bool IsAuthorized(string name, IEnumerable <EmployeeCredential> credentials, string door)
{
using (BuildingSecurityContext securityContext = new BuildingSecurityContext())
{
var id = GetEmployeeId(name);
var doorid = GetDoorId(door);
bool Authorized = false;
var DoorAccess = from access in securityContext.DoorSecurityDevices
where access.DoorId == doorid
orderby access.SecurityDeviceId
select access.SecurityDeviceId;
foreach (var item in DoorAccess)
{
if (credentials.Any(x => x.EmployeeSecurityDevices.Any(y => y.SecurityDeviceId == item)))
{
Authorized = true;
}
else if (credentials.Any(x => x.EmployeeSecurityDevices.Any(y => y.SecurityDeviceId != item)))
{
Authorized = false;
break;
}
}
LogAuthorizationAttempt(doorid, Authorized, id);
return(Authorized);
}
}
public IQueryable <AccessHistory> GetDoorActivity(DateTime begin, DateTime to, string door)
{
using (BuildingSecurityContext securityContext = new BuildingSecurityContext())
{
var id = GetDoorId(door);
var dates = from total in securityContext.AccessHistories.Include("Door").Include("Employees")
where total.AttemptDate >= begin && total.AttemptDate <= to
where total.DoorID == id
select total;
Console.WriteLine("To print the results type the word print");
string print = Console.ReadLine();
if (print == "print")
{
foreach (var item in dates)
{
Console.WriteLine(item.AccessHistoryID);
Console.WriteLine(item.AttemptDate);
Console.WriteLine(item.Door.Room);
Console.WriteLine(item.Employees.Name);
Console.WriteLine(item.Result);
}
}
return(dates);
}
}
internal int GetSecurityDeviceId(string credential)
{
using (BuildingSecurityContext securityContext = new BuildingSecurityContext())
{
var device = securityContext.SecurityDevices.SingleOrDefault(x => x.SecurityDeviceType == credential);
var id = device.SecurityDeviceId;
return(id);
}
}
private int GetEmployeeId(string employee)
{
using (BuildingSecurityContext securityContext = new BuildingSecurityContext())
{
var worker = securityContext.Employees.SingleOrDefault(x => x.Name == employee);
var id = worker.EmployeeId;
return(id);
}
}
internal int GetDoorId(string door)
{
using (BuildingSecurityContext securityContext = new BuildingSecurityContext())
{
var entrance = securityContext.Doors.SingleOrDefault(x => x.Room == door);
var id = entrance.DoorId;
return(id);
}
}
public void LogAuthorizationAttempt(int doorId, bool result, int id)
{
using (BuildingSecurityContext securityContext = new BuildingSecurityContext())
{
securityContext.AccessHistories.Add(new AccessHistory {
DoorID = doorId, AttemptDate = DateTime.Now, EmployeeId = id, Result = result
});
securityContext.SaveChanges();
}
}
public void AddSecurityDevice(string securityDevice)
{
using (BuildingSecurityContext SecurityContext = new BuildingSecurityContext())
{
if (SecurityContext.SecurityDevices.All(x => x.SecurityDeviceType != securityDevice))
{
SecurityContext.SecurityDevices.Add(new SecurityDevice {
SecurityDeviceType = securityDevice
});
SecurityContext.SaveChanges();
}
else
{
Console.WriteLine("This device already is installed in our system");
}
}
}
public void RevokeAccess()
{
Console.WriteLine("Please select a door to remove a credential from this list");
using (BuildingSecurityContext securityContext = new BuildingSecurityContext())
{
foreach (var item in securityContext.Doors)
{
Console.WriteLine(item.Room);
}
string door = Console.ReadLine();
if (securityContext.Doors.Any(x => x.Room == door))
{
var doorId = GetDoorId(door);
var doorCreds = securityContext.DoorSecurityDevices.Include("SecurityDevices").Where(x => x.DoorId == doorId);
Console.WriteLine("Please select a credential to remove from this list");
foreach (var item in doorCreds)
{
Console.WriteLine(item.SecurityDevices.SecurityDeviceType + "\t" + item.SecurityDeviceId);
}
string credential = Console.ReadLine();
if (doorCreds.Any(x => x.SecurityDevices.SecurityDeviceType == credential))
{
var deviceId = GetSecurityDeviceId(credential);
if (doorCreds.Any(x => x.SecurityDeviceId > deviceId))
{
Console.WriteLine("Please delete a the device with the highest deviceId 1st ");
}
else
{
var credToRemove = securityContext.DoorSecurityDevices.FirstOrDefault(x => x.SecurityDeviceId == deviceId && x.DoorId == doorId);
securityContext.DoorSecurityDevices.Remove(credToRemove);
securityContext.SaveChanges();
}
}
else
{
Console.WriteLine("Please select a credential to remove from the above list");
}
}
else
{
Console.WriteLine("Please select a door from the above list");
}
}
}
public void GrantAccess(string door, IQueryable <DoorSecurityDevice> credentials)
{
using (BuildingSecurityContext securityContext = new BuildingSecurityContext())
{
Console.WriteLine("These are the credentials currently with this door");
Console.WriteLine("Credential type \t CredentialId");
foreach (var item in credentials)
{
Console.WriteLine(item.SecurityDevices.SecurityDeviceType + "\t" + item.SecurityDeviceId);
Console.WriteLine();
}
Console.WriteLine();
Console.WriteLine("Type which of these credentials would you like to add");
Console.WriteLine("Credential type \t CredentialId");
foreach (var item in securityContext.SecurityDevices)
{
Console.WriteLine(item.SecurityDeviceType + "\t" + item.SecurityDeviceId);
Console.WriteLine();
}
string credential = Console.ReadLine();
if (securityContext.SecurityDevices.Any(x => x.SecurityDeviceType == credential))
{
var ID = GetSecurityDeviceId(credential);
if (credentials.Any(x => x.SecurityDevices.SecurityDeviceType == credential))
{
Console.WriteLine("The door already has this credential");
}
else if (credentials.All(x => x.SecurityDeviceId != ID))
{
var doorId = GetDoorId(door);
securityContext.DoorSecurityDevices.Add(new DoorSecurityDevice {
DoorId = doorId, SecurityDeviceId = ID
});
securityContext.SaveChanges();
}
}
else
{
Console.WriteLine("No such credential exists");
}
}
}
