/// <summary>
/// Loads single class from Usos class details page
/// </summary>
/// <param name="classPageLink">Link to class details</param>
/// <param name="httpClient">Client used to download data</param>
/// <returns></returns>
private async Task <UniversityClass> ExtractSingeClass(string classPageLink, HttpClient httpClient)
{
var response = await httpClient.GetAsync(classPageLink);
if (response.StatusCode != HttpStatusCode.OK)
{
throw new IOException("Unable to open class link");
}
var stream = await response.Content.ReadAsStreamAsync();
var document = new HtmlDocument();
document.Load(stream);
var contentDiv = document.DocumentNode.SelectSingleNode(@"//div[@class='wrtext']");
var textNode = contentDiv.SelectSingleNode(@"h1");
var className = textNode.SelectSingleNode(@"a").InnerText;
var universityClass = new UniversityClass()
{
Name = className
};
return(universityClass);
}
public UniversityClass[] GetInstructorClasses(int instructorId)
{
UniversityClass[] universityClasses = new UniversityClass[0];
for (int index = 0; index < _universityData.InstructorClasses.Length; index++)
{
InstructorClass instructorClass = _universityData.InstructorClasses[index];
if (instructorClass.InstructorId.Equals(instructorId))
{
for (int indexJ = 0; indexJ < _universityData.UniversityClasses.Length; indexJ++)
{
UniversityClass universityClass = _universityData.UniversityClasses[indexJ];
if (universityClass.CourseId.Equals(instructorClass.CourseId))
{
Array.Resize(ref universityClasses, universityClasses.Length + 1);
universityClasses[universityClasses.Length - 1] = universityClass;
}
}
}
}
return(universityClasses);
}
private UniversityClass MapUniversityClass(string[] columns)
{
UniversityClass universityClass = new UniversityClass();
universityClass.Title = columns[1];
universityClass.CourseId = int.Parse(columns[0]);
return(universityClass);
}
private void DisplayAllClasses(string message)
{
Console.Clear();
Console.Title = "Super Duper University (Instructor - Classes)";
Console.WriteLine("****************************************************************");
Console.WriteLine("*Welcome to the Super - Duper University Instructor Application*");
Console.WriteLine("****************************************************************");
Console.WriteLine("");
Console.WriteLine($"Welcome {InstructorName} please select an option:");
Console.WriteLine("");
if (!string.IsNullOrEmpty(message))
{
Console.WriteLine(message);
}
Console.WriteLine("");
Console.WriteLine("(1) Please select class Id to view details.");
Console.WriteLine("");
// display columns
Console.WriteLine("Course Id|Course Title");
UniversityClass[] universityClasses = _universityCatalog.GetInstructorClasses(InstructorId);
for (int index = 0; index < universityClasses.Length; index++)
{
UniversityClass universityClass = universityClasses[index];
Console.WriteLine($"{universityClass.CourseId}|{universityClass.Title}");
}
string userOption = Console.ReadLine();
if (!string.IsNullOrEmpty(userOption))
{
int classId = int.Parse(userOption);
NextScreen.InstructorId = InstructorId;
NextScreen.ClassId = classId;
NextScreen.InstructorName = InstructorName;
MoveNextScreen();
}
else
{
DisplayAllClasses("Pease select a class Id!");
}
}
internal string GetClassName(int classId)
{
for (int index = 0; index < _universityData.UniversityClasses.Length; index++)
{
UniversityClass universityClass = _universityData.UniversityClasses[index];
if (universityClass.CourseId.Equals(classId))
{
return(universityClass.Title);
}
}
return("");
}
public void UniversityNameLengthCheck()
{
Assert.Throws <Exception>(delegate {
UniversityClass z = new UniversityClass("Universite Saint-Joseph de Beyrouth");
});
}
public void UniversityNameNullCheck()
{
Assert.Throws <Exception>(delegate {
UniversityClass z = new UniversityClass(null);
});
}
public void setup()
{
u = new UniversityClass("AAA");
}
static void Main(string[] args)
{
#region pure collection binding
//ObservableCollection<int> sourceCollection =
// new ObservableCollection<int> { 1, 2, 3 };
//ObservableCollection<string> targetCollection =
// new ObservableCollection<string>();
//TwoWayCollectionBinding<int, string> twoWayBinding = new TwoWayCollectionBinding<int, string>
//{
// SourceCollection = sourceCollection,
// TargetCollection = targetCollection,
// SourceToTargetDelegate = (i) => i.ToString(),
// TargetToSourceDelegate = (str) => Int32.Parse(str)
//};
//twoWayBinding.Bind();
//Console.WriteLine("\nOriginal source collection");
//sourceCollection.ForEach((i) => Console.WriteLine(i)); // print the source collection
//Console.WriteLine("\nOriginal target collection");
//targetCollection.ForEach((i) => Console.WriteLine(i)); // print the source collection
//Console.WriteLine("\nAfter removing element at index 1 from source");
//sourceCollection.RemoveAt(1); // remove element at index 1 from source collection
//targetCollection.ForEach((str) => Console.WriteLine(str)); // print target collection
//Console.WriteLine("\nAfter adding 4 to target");
//targetCollection.Add("4"); // append string "4" to the end of the target collection
//sourceCollection.ForEach((i) => Console.WriteLine(i)); // print the source collection
//Console.WriteLine("\nAfter inserting 0 to target");
//targetCollection.Insert(0, "0"); // insert string "0" at index 0 for the target collection
//sourceCollection.ForEach((i) => Console.WriteLine(i)); // print the source collection
//Console.WriteLine("\nAfter inserting 2 at index 2 to source");
//sourceCollection.Insert(2, 2); // insert number 2 at index 2 for the source collection
//targetCollection.ForEach((str) => Console.WriteLine(str)); // print the target collection
#endregion pure collection binding
#region collection value binding
//Console.WriteLine("\nValue collection bindings");
//TestData<int> source = new TestData<int>();
//TestData<string> target = new TestData<string>();
//OneWayCollectionValueBindingWithPath
//<
// int,
// string,
// ObservableCollection<int>,
// ObservableCollection<string>
//>
//theBinding = new OneWayCollectionValueBindingWithPath
// <
// int,
// string,
// ObservableCollection<int>,
// ObservableCollection<string>
// >
// {
// IsOneWayCollectionBinding = false,
// CreationType = typeof(ObservableCollection<string>),
// SourceObj = source,
// TargetObj = target,
// SourceToTargetDelegate = (i) => i.ToString(),
// TargetToSourceDelegate = (str) => Int32.Parse(str)
// };
//List<BindingPathLink<object>> sourcePathLinks = new List<BindingPathLink<object>>();
//sourcePathLinks.Add(new BindingPathLink<object>("TheCollection"));
//theBinding.SourcePathLinks = sourcePathLinks;
//List<BindingPathLink<object>> targetPathLinks = new List<BindingPathLink<object>>();
//targetPathLinks.Add(new BindingPathLink<object>("TheCollection"));
//theBinding.TargetPathLinks = targetPathLinks;
//theBinding.Bind();
//source.TheCollection = new ObservableCollection<int>(new int[] { 1, 2, 3 });
//target.TheCollection.ForEach((str) => Console.WriteLine(str)); // print the target collection
//source.TheCollection.RemoveAt(1);
//Console.WriteLine();
//target.TheCollection.ForEach((str) => Console.WriteLine(str)); // print the target collection
//target.TheCollection.Add("4");
//Console.WriteLine();
//source.TheCollection.ForEach((str) => Console.WriteLine(str)); // print the source collection
#endregion collection value binding
#region value binding type testing
//TestData<Person> sourcePeople = new TestData<Person>();
//TestData<Person> targetPeople = new TestData<Person>();
//OneWayCollectionValueBindingWithPath peopleBinding = new OneWayCollectionValueBindingWithPath
//{
// SourceObj = sourcePeople,
// TargetObj = targetPeople,
// IsOneWayCollectionBinding = false,
// CreationType = typeof(ObservableCollection<Person>)
//};
//List<BindingPathLink<object>> peopleSourcePathLinks = new List<BindingPathLink<object>>();
//peopleSourcePathLinks.Add(new BindingPathLink<object>("TheCollection"));
//peopleBinding.SourcePathLinks = peopleSourcePathLinks;
//List<BindingPathLink<object>> peopleTargetPathLinks = new List<BindingPathLink<object>>();
//peopleTargetPathLinks.Add(new BindingPathLink<object>("TheCollection"));
//peopleBinding.TargetPathLinks = peopleTargetPathLinks;
//peopleBinding.Bind();
//UniversityClass universityClass = new UniversityClass();
//sourcePeople.TheCollection = universityClass.People;
#endregion value binding type testing
#region Map Collection Tests
UniversityClass theUniversityClass = new UniversityClass();
DHierarchyItemsControl dHierarchyItemsControl = new DHierarchyItemsControl();
OneWayCollectionValueBindingWithPath itemsSourceBinding = new OneWayCollectionValueBindingWithPath
{
SourceObj = dHierarchyItemsControl,
TargetObj = dHierarchyItemsControl,
IsOneWayCollectionBinding = true
};
List<BindingPathLink<object>> dataContextSourcePathLinks = new List<BindingPathLink<object>>();
dataContextSourcePathLinks.Add(new BindingPathLink<object>("DataContext"));
dataContextSourcePathLinks.Add(new BindingPathLink<object>("People"));
itemsSourceBinding.SourcePathLinks = dataContextSourcePathLinks;
List<BindingPathLink<object>> itemsSourceTargetPathLinks = new List<BindingPathLink<object>>();
itemsSourceTargetPathLinks.Add(new BindingPathLink<object>("ItemsSource"));
itemsSourceBinding.TargetPathLinks = itemsSourceTargetPathLinks;
itemsSourceBinding.Bind();
dHierarchyItemsControl.DataContext = theUniversityClass;
#endregion Map Collection Tests
int i = 0;
}
