public List<IContent> GetContents(Newsletter newsletter)
{
var hostIndex = 0;
var tripIndex = 0;
var contents =new List<IContent>();
foreach (var contentType in newsletter.DisplayPattern.ToCharArray())
{
IContent content = null;
switch (contentType)
{
case 'H':
if (hostIndex >= newsletter.HostIds.Count)
continue;
content = _database.Get<Host>(newsletter.HostIds[hostIndex]);
hostIndex++;
break;
case 'T':
if (tripIndex >= newsletter.TripIds.Count)
continue;
content = _database.Get<Trip>(newsletter.TripIds[tripIndex]);
tripIndex++;
break;
}
contents.Add(content);
}
return contents;
}
public ActionResult Create(int count)
{
var db = GetDatabase();
// [YOGESH] - Fetch the TripHostOrder setting from the DB.
var tripHostOrder = db.GetAll<Settings>().Select(h => h.TripHostOrder).FirstOrDefault();
// [YOGESH] - Count the number of Trips and Hosts for the newsletter.
int countT = tripHostOrder.ToCharArray().Where(m => m.Equals('T')).Count();
int countH = tripHostOrder.ToCharArray().Where(m => m.Equals('H')).Count();
#region [YOGESH] - For tasks 1 & 2
var hosts = db.GetAll<Host>().OrderBy(m => m.UseCount).ToList();
var trips = db.GetAll<Trip>().OrderBy(m => m.UseCount).ToList();
for (int i = 0; i < count; i++)
{
var newsletter = new Newsletter()
{
HostIds = hosts.Select(h => h.Id).Take(countH).ToList(),
TripIds = trips.Select(t => t.Id).Take(countT).ToList(),
// [YOGESH] - Assign the TripHostOrder setting value to the TripHostOrder property of the Newsletter.
TripHostOrder = tripHostOrder
};
db.Save(newsletter);
for (int j = 0; j < countH; j++)
{
hosts[j].UseCount++;
}
hosts = hosts.OrderBy(m => m.UseCount).ToList();
for (int j = 0; j < countT; j++)
{
trips[j].UseCount++;
}
trips = trips.OrderBy(m => m.UseCount).ToList();
}
db.SaveAll(hosts);
db.SaveAll(trips);
#endregion
#region [YOGESH] - For task 1 only
//var hostIds = db.GetAll<Host>().Select(h => h.Id).ToArray();
//var tripIds = db.GetAll<Trip>().Select(t => t.Id).ToArray();
//for (int i = 0; i < count; i++)
//{
// var newsletter = new Newsletter()
// {
// HostIds = Enumerable.Range(0, countH).Select(x => hostIds.GetRandom()).ToList(),
// TripIds = Enumerable.Range(0, countT).Select(x => tripIds.GetRandom()).ToList(),
// // [YOGESH] - Assign the TripHostOrder setting value to the TripHostOrder property of the Newsletter.
// TripHostOrder = tripHostOrder
// };
// db.Save(newsletter);
//}
#endregion
TempData["notification"] = $"Created {count} newsletters";
return RedirectToAction("list");
}
public void GetContents_WhenNotExistEnoughHostInList_ReturnRestOfContents()
{
// Arrange
var newsletter = new Newsletter
{
Id = "0001",
DisplayPattern = "HHTTHH",
HostIds = new List<string> { "0000"},
TripIds = new List<string> { "0000", "0001", "0002", "0003", "0004" }
};
// Act
var result = _newsletterService.GetContents(newsletter);
// Assert
Assert.That(result.Count, Is.EqualTo(3));
}
public void GetContents_WhenNewsletterWithPattern_ReturnContents()
{
// Arrange
var newsletter = new Newsletter
{
Id = "0001",
DisplayPattern = "HHTTHH",
HostIds = new List<string> {"0000", "0001", "0002", "0003", "0004" },
TripIds = new List<string> { "0000","0001","0002", "0003", "0004" }
};
// Act
var result = _newsletterService.GetContents(newsletter);
// Assert
Assert.That(result.Count, Is.EqualTo(newsletter.DisplayPattern.Length));
}
public void CreateRandomData(int count, string pattern)
{
var hostIds = _database.GetAll<Host>().Select(h => h.Id).ToArray();
var tripIds = _database.GetAll<Trip>().Select(t => t.Id).ToArray();
var hostCount = pattern.ToCharArray().Where(x => x.Equals('H')).Count();
var tripCount = pattern.ToCharArray().Where(x => x.Equals('T')).Count();
for (int i = 0; i < count; i++)
{
var newsletter = new Newsletter()
{
HostIds = Enumerable.Range(0, hostCount).Select(x => hostIds.GetRandom()).ToList(),
TripIds = Enumerable.Range(0, tripCount).Select(x => tripIds.GetRandom()).ToList(),
};
newsletter.DisplayPattern = pattern;
_database.Save(newsletter);
}
}
public ActionResult Create(int count)
{
var db = GetDatabase();
var hostIds = db.GetAll<Host>().Select(h => h.Id).ToArray();
var tripIds = db.GetAll<Trip>().Select(t => t.Id).ToArray();
for (int i = 0; i < count; i++)
{
var newsletter = new Newsletter()
{
HostIds = Enumerable.Range(0, 2).Select(x => hostIds.GetRandom()).ToList(),
TripIds = Enumerable.Range(0, 2).Select(x => tripIds.GetRandom()).ToList(),
};
db.Save(newsletter);
}
TempData["notification"] = $"Created {count} newsletters";
return RedirectToAction("list");
}
public void GetContents_WhenPatternIsEmpty_ReturnEmptyValue()
{
// Arrange
var newsletter = new Newsletter
{
Id = "0000",
DisplayPattern = ""
};
// Act
var result = _newsletterService.GetContents(newsletter);
// Assert
Assert.That(result, Is.Empty);
}
