public List <ContactTracing> getTier0(ContactTracing contactTracing, ContactTracing nextTimeIn)
{
using (var context = new COVID19Entities())
{
if (nextTimeIn == null)
{
var endHour = contactTracing.RegisterDateTime.Date + dtpTime.Value.TimeOfDay;
var getDirectContact = (from x in context.ContactTracings
where x.Contact != contactTracing.Contact
where x.LocationID == contactTracing.LocationID && x.RegisterDateTime >= contactTracing.RegisterDateTime && x.RegisterDateTime < endHour
select x).ToList();
return(getDirectContact);
}
else
{
//Assumes infected takes 5 minute to travel to each room
var endTime = nextTimeIn.RegisterDateTime.AddMinutes(-5);
var getDirectContact = (from x in context.ContactTracings
where x.Contact != contactTracing.Contact
where x.LocationID == contactTracing.LocationID && x.RegisterDateTime >= contactTracing.RegisterDateTime && x.RegisterDateTime < endTime
select x).ToList();
return(getDirectContact);
}
}
}
private void MainMenu_Load(object sender, EventArgs e)
{
using (var context = new COVID19Entities())
{
var getSuspected = (from x in context.ContactTracings
where x.Temp >= 38
select x.FullName).Distinct();
foreach (var item in getSuspected)
{
cbSuspectedPeople.Items.Add(item);
}
}
}
private void btnRun_Click(object sender, EventArgs e)
{
lbRecords.Items.Clear();
lbTier0.Items.Clear();
lbTier1.Items.Clear();
lbTier2.Items.Clear();
lbTier3.Items.Clear();
using (var context = new COVID19Entities())
{
if (cbSuspectedPeople.SelectedItem != null)
{
var getContact = (from x in context.ContactTracings
where x.FullName == cbSuspectedPeople.SelectedItem.ToString()
select x.Contact).FirstOrDefault();
Route(getContact);
}
}
}
public List <ContactTracing> getNonDirect(ContactTracing nextTimeIn, List <long> RoomsPassed)
{
//Assumes infected takes 5 minute to travel to each room
if (nextTimeIn != null)
{
var endTime = nextTimeIn.RegisterDateTime.AddMinutes(-5);
var getIndirectContact = new List <ContactTracing>();
using (var context = new COVID19Entities())
{
foreach (var item in RoomsPassed)
{
getIndirectContact.AddRange((from x in context.ContactTracings
where x.Contact != nextTimeIn.Contact
where x.LocationID == item && x.RegisterDateTime >= endTime && x.RegisterDateTime < nextTimeIn.RegisterDateTime
select x).ToList());
}
return(getIndirectContact);
}
}
else
{
var leavingTime = dtpTime.Value.Date.AddMinutes(-5);
var getIndirectContact = new List <ContactTracing>();
using (var context = new COVID19Entities())
{
var getContact = (from x in context.ContactTracings
where x.FullName == cbSuspectedPeople.SelectedItem.ToString()
select x.Contact).FirstOrDefault();
foreach (var item in RoomsPassed)
{
getIndirectContact.AddRange((from x in context.ContactTracings
where x.Contact != getContact
where x.LocationID == item && x.RegisterDateTime >= leavingTime && x.RegisterDateTime < dtpTime.Value
select x).ToList());
}
return(getIndirectContact);
}
}
}
public void Route(string phoneNumber)
{
using (var context = new COVID19Entities())
{
var symptoms = (from x in context.ContactTracings
where x.Contact == phoneNumber
where x.Temp >= 38
orderby x.RegisterDateTime descending
select x.RegisterDateTime).FirstOrDefault().Date.AddDays(-14);
var UserHistory = (from x in context.ContactTracings
where x.Contact == phoneNumber
where x.RegisterDateTime >= symptoms
select x).ToList();
var groupDates = (from x in UserHistory
group x by x.RegisterDateTime.Date into y
orderby y.Key descending
select y);
var list = new List <ContactTracing>();
var listNon = new List <ContactTracing>();
foreach (var item in groupDates)
{
var contactTracing = new List <ContactTracing>();
lbRecords.Items.Add(item.Key);
foreach (var records in item)
{
contactTracing.Add(records);
}
for (int i = 0; i <= contactTracing.Count() - 1; i++)
{
if (i != contactTracing.Count() - 1)
{
lbRecords.Items.Add($"\tCurrent: IT-{contactTracing[i].Location.LocationFloor}-{contactTracing[i].Location.LocationUnitNumber} " +
$"Time in: {contactTracing[i].RegisterDateTime}");
lbRecords.Items.Add($"\t\tTravelled rooms: {String.Join(",", RouteTracing(contactTracing[i], contactTracing[i + 1]))}");
lbRecords.Items.Add("");
list.AddRange(getTier0(contactTracing[i], contactTracing[i + 1]));
listNon.AddRange(getNonDirect(contactTracing[i + 1], RouteTracing(contactTracing[i], contactTracing[i + 1])));
}
else
{
lbRecords.Items.Add($"\tCurrent: IT-{contactTracing[i].Location.LocationFloor}-{contactTracing[i].Location.LocationUnitNumber} " +
$"Time in: {contactTracing[i].RegisterDateTime}");
if (contactTracing[i].Location.LocationFloor != 1)
{
lbRecords.Items.Add($"\t\tTravelled rooms: {String.Join(",", RouteTracing(contactTracing[i], null))}");
lbRecords.Items.Add("");
list.AddRange(getTier0(contactTracing[i], null));
listNon.AddRange(getNonDirect(null, RouteTracing(contactTracing[i], null)));
}
else
{
lbRecords.Items.Add("");
list.AddRange(getTier0(contactTracing[i], null));
}
}
}
}
var groupList = (from x in list
group x by x.Contact into y
orderby y.Count() descending
select y);
foreach (var tier0 in groupList)
{
lbTier0.Items.Add($"{tier0.Select(x => x.FullName).FirstOrDefault()} - {tier0.Key}({tier0.Count()})");
var toRemove = listNon.Where(x => x.Contact == tier0.Key).Select(x => x).ToList();
foreach (var item in toRemove)
{
listNon.Remove(item);
}
}
var groupNonList = (from x in listNon
group x by x.Contact into y
orderby y.Count()
select y).ToList();
foreach (var records in groupNonList)
{
var ninetyPercentile = Math.Round(0.9 * groupNonList.Count(), 0, MidpointRounding.AwayFromZero);
var seventyFivePercentile = Math.Round(0.75 * groupNonList.Count(), 0, MidpointRounding.AwayFromZero);
var getIndex = groupNonList.IndexOf(records) + 1;
if (getIndex >= ninetyPercentile)
{
lbTier1.Items.Add($"{records.Select(x => x.FullName).FirstOrDefault()} - {records.Key}({records.Count()})");
}
else if (getIndex >= seventyFivePercentile && getIndex < ninetyPercentile)
{
lbTier2.Items.Add($"{records.Select(x => x.FullName).FirstOrDefault()} - {records.Key}({records.Count()})");
}
else if (getIndex < ninetyPercentile)
{
lbTier3.Items.Add($"{records.Select(x => x.FullName).FirstOrDefault()} - {records.Key}({records.Count()})");
}
}
}
}
