public void T4_Find_inDataBase()
{
Course firstCourse = new Course("Biology", 101);
firstCourse.Save();
Course resultCourse = Course.Find(firstCourse.GetId());
Assert.Equal(firstCourse,resultCourse);
}
public void T2_ObjectandObject_returnEqual()
{
Course firstCourse = new Course("Biology", 101);
Course secondCourse = new Course("Biology", 101);
Assert.Equal(firstCourse, secondCourse);
}
public void T3_SaveInDatabase_True()
{
Course firstCourse = new Course("Biology", 101);
firstCourse.Save();
List<Course> newList = Course.GetAll();
List<Course> testCourse = new List<Course>{firstCourse};
Assert.Equal(testCourse, newList);
}
public void T5_AddStudentsToCourse()
{
Course firstCourse = new Course("Biology", 101);
Course secondCourse = new Course("Physics", 102);
firstCourse.Save();
secondCourse.Save();
DateTime fakeTime=new DateTime(2016,08,02);
Student testStudent = new Student("Steve", fakeTime);
testStudent.Save();
testStudent.AddCourses(firstCourse);
testStudent.AddCourses(secondCourse);
List<Course> temp = Course.GetAll();
List<Course> resultCourse = testStudent.GetCourses();
List<Course> testCourses=new List<Course>{firstCourse,secondCourse};
Assert.Equal(testCourses,temp);
}
public void T6_AddStudentTo_Course_True()
{
Course testCourse = new Course("Biology", 101);
testCourse.Save();
DateTime fakeTime=new DateTime(2016,08,02);
Student testStudent = new Student("Steve", fakeTime);
testStudent.Save();
Student testStudent2 = new Student("Mike", fakeTime);
testStudent2.Save();
testCourse.AddStudents(testStudent);
testCourse.AddStudents(testStudent2);
List<Student> allStudent= Student.GetAll();
List<Student> result = testCourse.GetStudents();
List<Student> testList = new List<Student>{testStudent,testStudent2};
Assert.Equal(testList, result);
}
public static Course Find(int id)
{
SqlConnection conn = DB.Connection();
conn.Open();
SqlCommand cmd = new SqlCommand("SELECT * FROM courses WHERE id = @NewId;",conn);
SqlParameter courseIdParameter = new SqlParameter();
courseIdParameter.ParameterName = "@NewId";
courseIdParameter.Value=id;
cmd.Parameters.Add(courseIdParameter);
SqlDataReader rdr = cmd.ExecuteReader();
int foundId=0;
string foundName=null;
int foundNumber=0;
while(rdr.Read())
{
foundId=rdr.GetInt32(0);
foundName=rdr.GetString(1);
foundNumber=rdr.GetInt32(2);
}
Course foundCourse = new Course(foundName,foundNumber,foundId);
if(rdr != null)
{
rdr.Close();
}
if(conn != null)
{
conn.Close();
}
return foundCourse;
}
public HomeModule()
{
Get["/"] = _ =>{
List<Student> allStudents = Student.GetAll();
List<Course> allCourses = Course.GetAll();
Dictionary<string,object> model = new Dictionary<string,object>{};
model.Add("student",allStudents);
model.Add("course",allCourses);
return View["index.cshtml",model];
};
Post["/add/new/student"]=_=>{
Student newStudent = new Student(Request.Form["new-name"], Request.Form["new-date"]);
newStudent.Save();
List<Student> allStudents = Student.GetAll();
List<Course> allCourses = Course.GetAll();
Dictionary<string,object> model = new Dictionary<string,object>{};
model.Add("student",allStudents);
model.Add("course",allCourses);
return View["index.cshtml",model];
};
Post["/add/new/course"]=_=>{
Course newCourse = new Course(Request.Form["course-name"], Request.Form["course-number"]);
newCourse.Save();
List<Student> allStudents = Student.GetAll();
List<Course> allCourses = Course.GetAll();
Dictionary<string,object> model = new Dictionary<string,object>{};
model.Add("student",allStudents);
model.Add("course",allCourses);
return View["index.cshtml",model];
};
}
public static List<Course> GetAll()
{
List<Course> allCourses = new List<Course>{};
SqlConnection conn = DB.Connection();
conn.Open();
SqlCommand cmd = new SqlCommand("SELECT * FROM courses;",conn);
SqlDataReader rdr = cmd.ExecuteReader();
int courseId=0;
string courseName=null;
int courseNumber=0;
while(rdr.Read())
{
courseId = rdr.GetInt32(0);
courseName=rdr.GetString(1);
courseNumber=rdr.GetInt32(2);
Course newCourse = new Course(courseName,courseNumber,courseId);
allCourses.Add(newCourse);
}
if( rdr!=null)
{
rdr.Close();
}
if(conn != null)
{
conn.Close();
}
return allCourses;
}
public List<Course> GetCourses()
{
SqlConnection conn = DB.Connection();
conn.Open();
SqlCommand cmd = new SqlCommand("SELECT courses.* FROM students JOIN students_courses ON (students.id=students_courses.student_id) JOIN courses ON (students_courses.id=courses.id) WHERE students.id=@StudentId;",conn);
SqlParameter studentIdParameter = new SqlParameter();
studentIdParameter.ParameterName="@StudentId";
studentIdParameter.Value=this.GetId();
cmd.Parameters.Add(studentIdParameter);
SqlDataReader rdr = cmd.ExecuteReader();
List<Course> foundCourses= new List<Course>{};
while(rdr.Read())
{
int courseId=rdr.GetInt32(0);
string courseName=rdr.GetString(1);
int courseNumber=rdr.GetInt32(2);
Course foundCourse = new Course(courseName,courseNumber,courseId);
foundCourses.Add(foundCourse);
}
if(rdr != null)
{
rdr.Close();
}
if(conn !=null)
{
conn.Close();
}
return foundCourses;
}
public void AddCourses(Course newCourse)
{
SqlConnection conn = DB.Connection();
conn.Open();
SqlCommand cmd = new SqlCommand("INSERT INTO students_courses (student_id, course_id) VALUES (@StudentId,@CourseId)",conn);
SqlParameter studentIdParameter = new SqlParameter();
studentIdParameter.ParameterName= "@StudentId";
studentIdParameter.Value= this.GetId();
SqlParameter courseIdParameter = new SqlParameter();
courseIdParameter.ParameterName= "@CourseId";
courseIdParameter.Value= newCourse.GetId();
cmd.Parameters.Add(studentIdParameter);
cmd.Parameters.Add(courseIdParameter);
cmd.ExecuteNonQuery();
if(conn != null)
{
conn.Close();
}
}
