public ActionResult addCourse(string courseName,
string courseDesc,
string courseCategory,
string startTime,
string endTime,
long noOfStudents)
{
int valid = 1;
var Jcon = new JsonContainer();
var objCourseHelper = new CourseHelper();
var courseDetails = new Course
{
userId = long.Parse(Session["userId"].ToString()),
courseName = string.Empty,
startTime = string.Empty,
endTime = string.Empty
};
try
{
var dtCourse = objCourseHelper.SearchCourse(courseDetails);
courseDetails.courseName = courseName;
courseDetails.courseDescription = courseDesc;
courseDetails.courseCategory = courseCategory;
courseDetails.startTime = startTime;
courseDetails.endTime = endTime;
courseDetails.numberOfStudent = noOfStudents;
if (dtCourse.Rows.Count <= 0)
objCourseHelper.InsertCourse(courseDetails);
else
{
var isValid = true;
var dummyStartTime = DateTime.Parse(startTime);
var dummyEndTime = DateTime.Parse(endTime);
//check condition for valid timing
foreach(DataRow row in dtCourse.Rows)
{
var rowStartTime = DateTime.Parse(row["startTime"].ToString());
var rowEndTime = DateTime.Parse(row["endTime"].ToString());
if (dummyStartTime < rowStartTime && dummyEndTime > rowEndTime)
isValid = false;
else if (dummyStartTime > rowStartTime && dummyStartTime < rowEndTime)
isValid = false;
else if (dummyEndTime > rowStartTime && dummyEndTime < rowEndTime)
isValid = false;
if (!isValid)
{
Jcon.Result = -1;
return Json(Jcon);
}
}
if (isValid)
objCourseHelper.InsertCourse(courseDetails);
}
}
catch (Exception ex)
{
valid = 0;
}
Jcon.Result = valid;
return Json(Jcon);
}
public ActionResult loadCourses(string courseName)
{
var Jcon = new JsonContainer();
var objCourseHelper = new CourseHelper();
var courseDetails = new Course
{
userId = 0,
courseName = string.Empty,
startTime = string.Empty,
endTime = string.Empty
};
var dtCourse = objCourseHelper.SearchCourse(courseDetails);
List<Course> courseList = new List<Course>();
foreach (DataRow dr in dtCourse.Rows)
{
Course course = new Course { courseName = dr["courseName"].ToString() };
courseList.Add(course);
}
Jcon.Result = courseList.Distinct().OrderBy(x => x.courseName).ToList();
return Json(Jcon);
}
public ActionResult searchResults(string courseName, string courseTiming)
{
string startTime = string.Empty, endTime = string.Empty;
courseName = string.IsNullOrEmpty(courseName) ? "-SELECT-" : courseName;
courseTiming = string.IsNullOrEmpty(courseTiming) ? "-SELECT-" : courseTiming;
if (courseName.ToUpper() == "-SELECT-")
courseName = string.Empty;
if (courseTiming.ToUpper() == "-SELECT-")
courseTiming = string.Empty;
else
{
var substrings = courseTiming.Split('-');
startTime = substrings[0].Trim(' ');
endTime = substrings[1].Trim(' ');
}
var Jcon = new JsonContainer();
var objCourseHelper = new CourseHelper();
var courseDetails = new Course
{
userId = 0,
courseName = courseName,
startTime = startTime,
endTime = endTime
};
var dtCourse = objCourseHelper.SearchCourse(courseDetails);
List<Course> courseList = new List<Course>();
foreach (DataRow dr in dtCourse.Rows)
{
var course = new Course
{
courseName = dr["courseName"].ToString(),
courseDescription = dr["courseDescription"].ToString(),
courseCategory = dr["courseCategory"].ToString(),
startTime = dr["startTime"].ToString(),
endTime = dr["endTime"].ToString(),
numberOfStudent = long.Parse(dr["numberOfStudent"].ToString()),
instructorName = dr["instructorName"].ToString()
};
courseList.Add(course);
}
Jcon.Result = courseList.Distinct().OrderBy(x => x.courseName).ToList();
return Json(Jcon);
}