/// <summary>
/// Creates a <see cref="University"/> instance in the database
/// </summary>
/// <param name="university">
/// The <see cref="University"/> instance to persist to the database
/// </param>
public void Create(University university)
{
using (var context = new DnugContext(this.connectionString))
{
context.Universities.Add(university);
context.SaveChanges();
}
}
/// <summary>
/// Creates a <see cref="University"/> instance in the database
/// </summary>
/// <param name="university">
/// The <see cref="University"/> instance to persist to the database
/// </param>
public void Create(University university)
{
using (var stream = new MemoryStream())
{
Serializer.Serialize(stream, university);
Task task = this.connection.Strings.Set(0, university.Id.ToString(), stream.GetBuffer());
task.Wait();
}
}
/// <summary>
/// Creates a <see cref="University"/> instance in the database
/// </summary>
/// <param name="university">
/// The <see cref="University"/> instance to persist to the database
/// </param>
public void Create(University university)
{
this.mongoCollection.Insert(university);
}
/// <summary>
/// Creates a <see cref="University"/> instance in the database
/// </summary>
/// <param name="university">
/// The <see cref="University"/> instance to persist to the database
/// </param>
public void Create(University university)
{
var universities = new DataTable("Univserities");
var faculties = new DataTable("Faculties");
var courses = new DataTable("Courses");
var students = new DataTable("Students");
var addresses = new DataTable("Addresses");
universities.Columns.Add("Id", typeof(Guid));
universities.Columns.Add("Name", typeof(string));
universities.Columns.Add("LocationId", typeof(Guid));
addresses.Columns.Add("Id", typeof(Guid));
addresses.Columns.Add("HouseNameOrNumber", typeof(string));
addresses.Columns.Add("Street", typeof(string));
addresses.Columns.Add("City", typeof(string));
addresses.Columns.Add("State", typeof(string));
addresses.Columns.Add("ZipCode", typeof(string));
faculties.Columns.Add("Id", typeof(Guid));
faculties.Columns.Add("Name", typeof(string));
faculties.Columns.Add("UniversityId", typeof(Guid));
faculties.Columns.Add("AddressId", typeof(Guid));
courses.Columns.Add("Id", typeof(Guid));
courses.Columns.Add("Code", typeof(string));
courses.Columns.Add("Description", typeof(string));
courses.Columns.Add("StartDate", typeof(DateTime));
courses.Columns.Add("EndDate", typeof(DateTime));
courses.Columns.Add("FacultyID", typeof(Guid));
students.Columns.Add("Id", typeof(Guid));
students.Columns.Add("StudentNumber", typeof(Guid));
students.Columns.Add("Forename", typeof(string));
students.Columns.Add("Surname", typeof(string));
students.Columns.Add("AddressId", typeof(Guid));
students.Columns.Add("DateOfBirth", typeof(DateTime));
students.Columns.Add("CourseId", typeof(Guid));
universities.Rows.Add(university.Id, university.Name, university.Location.Id);
addresses.Rows.Add(
university.Location.Id,
university.Location.HouseNameOrNumber,
university.Location.Street,
university.Location.City,
university.Location.State,
university.Location.ZipCode);
foreach (var faculty in university.Faculties)
{
faculties.Rows.Add(faculty.Id, faculty.Name, university.Id, faculty.Address.Id);
addresses.Rows.Add(
faculty.Address.Id,
faculty.Address.HouseNameOrNumber,
faculty.Address.Street,
faculty.Address.City,
faculty.Address.State,
faculty.Address.ZipCode);
foreach (var course in faculty.CoursesOffered)
{
courses.Rows.Add(
course.Id,
course.Code,
course.Description.Length > 100 ? course.Description.Substring(0, 100) : course.Description,
course.StartDate,
course.EndDate,
faculty.Id);
foreach (var student in course.RegisteredStudents)
{
students.Rows.Add(
student.Id,
student.StudentNumber,
student.Forename,
student.Surname,
student.Address.Id,
student.DateOfBirth,
course.Id);
addresses.Rows.Add(
student.Address.Id,
student.Address.HouseNameOrNumber,
student.Address.Street,
student.Address.City,
student.Address.State,
student.Address.ZipCode);
}
}
}
using (var connection = new SqlConnection(this.connectionString))
using (var command = new SqlCommand("CreateUniversity", connection))
{
connection.Open();
command.CommandType = CommandType.StoredProcedure;
command.Parameters.Add(new SqlParameter("@Universities", universities));
command.Parameters.Add(new SqlParameter("@Faculties", faculties));
command.Parameters.Add(new SqlParameter("@Courses", courses));
command.Parameters.Add(new SqlParameter("@Students", students));
command.Parameters.Add(new SqlParameter("@Addresses", addresses));
command.ExecuteNonQuery();
}
}
/// <summary>
/// Retrieves an instance of <see cref="University"/> for the given id
/// </summary>
/// <param name="id">
/// The id of the <see cref="University"/> to load
/// </param>
/// <returns>
/// A <see cref="University"/> instance matching the requested id
/// </returns>
public University Retrieve(Guid id)
{
using (var connection = new SqlConnection(this.connectionString))
using (var command = new SqlCommand("RetrieveUniversity", connection))
{
connection.Open();
command.CommandType = CommandType.StoredProcedure;
command.Parameters.Add(new SqlParameter("@Id", id));
var adapter = new SqlDataAdapter(command);
var dataset = new DataSet();
adapter.Fill(dataset);
DataTable universityDataTable = dataset.Tables[0];
DataTable facultiesDataTable = dataset.Tables[1];
DataTable coursesDataTable = dataset.Tables[2];
DataTable studentsDataTable = dataset.Tables[3];
var university = new University
{
Id = universityDataTable.Rows[0].Field<Guid>("Id"),
Name = universityDataTable.Rows[0].Field<string>("Name"),
Location = new Address
{
Id = universityDataTable.Rows[0].Field<Guid>("AddressId"),
HouseNameOrNumber = universityDataTable.Rows[0].Field<string>("HouseNameOrNumber"),
Street = universityDataTable.Rows[0].Field<string>("Street"),
City = universityDataTable.Rows[0].Field<string>("City"),
State = universityDataTable.Rows[0].Field<string>("State"),
ZipCode = universityDataTable.Rows[0].Field<string>("ZipCode")
},
Faculties = new List<Faculty>()
};
foreach (DataRow facultyRow in facultiesDataTable.Rows.Cast<DataRow>())
{
var faculty = new Faculty
{
Id = facultyRow.Field<Guid>("Id"),
Name = facultyRow.Field<string>("Name"),
Address = new Address
{
Id = facultyRow.Field<Guid>("AddressId"),
HouseNameOrNumber = facultyRow.Field<string>("HouseNameOrNumber"),
Street = facultyRow.Field<string>("Street"),
City = facultyRow.Field<string>("City"),
State = facultyRow.Field<string>("State"),
ZipCode = facultyRow.Field<string>("ZipCode")
},
CoursesOffered = new List<Course>()
};
foreach (DataRow courseRow in coursesDataTable.Rows.Cast<DataRow>())
{
var course = new Course
{
Id = courseRow.Field<Guid>("Id"),
Code = courseRow.Field<int>("Code"),
Description = courseRow.Field<string>("Description"),
StartDate = courseRow.Field<DateTime>("StartDate"),
EndDate = courseRow.Field<DateTime>("EndDate"),
RegisteredStudents = new List<Student>()
};
foreach (DataRow studentRow in studentsDataTable.Rows.Cast<DataRow>())
{
var student = new Student
{
Id = studentRow.Field<Guid>("Id"),
StudentNumber = studentRow.Field<Guid>("StudentNumber"),
Forename = studentRow.Field<string>("Forename"),
Surname = studentRow.Field<string>("Surname"),
DateOfBirth = studentRow.Field<DateTime>("DateOfBirth"),
Address = new Address
{
Id = studentRow.Field<Guid>("AddressId"),
HouseNameOrNumber = studentRow.Field<string>("HouseNameOrNumber"),
Street = studentRow.Field<string>("Street"),
City = studentRow.Field<string>("City"),
State = studentRow.Field<string>("State"),
ZipCode = studentRow.Field<string>("ZipCode")
}
};
course.RegisteredStudents.Add(student);
}
faculty.CoursesOffered.Add(course);
}
university.Faculties.Add(faculty);
}
return university;
}
}
