/// <summary>
/// New course module allocation
/// </summary>
/// <param name="courseId"></param>
/// <param name="moduleId"></param>
/// <returns></returns>
public int AddModuleToCourse(int courseId, int moduleId)
{
//course module id generated
var courseModuleId = CourseModuleIdGeneration();
//as long as id passed in for generation valid object created and added to database
if (courseId != 0 && moduleId != 0 && moduleId != 0)
{
//new course module object created
var courseModule = new CourseModule
{
CourseModuleId = courseModuleId,
Course = courseId,
Module = moduleId
};
//course module added to database
_dBase.CourseModules.Add(courseModule);
_dBase.SaveChanges();
//course module id returned
return courseModuleId;
}
//course module allocation failed 0 returned
return 0;
}
/// <summary>
/// addition of module to course
/// </summary>
/// <param name="modules"></param>
/// <param name="courseId"></param>
/// <returns></returns>
public bool AddModulesToCourse(List<Module> modules, int courseId)
{
if (modules.Count != 0 && courseId != 0)
{ // modules selceted from database to create new course module records
var allocatedCourseModules = _dBase.CourseModules.Where(x => x.Course == courseId);
//Removal of current course modules
foreach (var cm in allocatedCourseModules)
{
_dBase.CourseModules.Remove(cm);
}
//new course modules generated
foreach (var m in modules)
{
//new course module idcreated
var courseModuleId = CourseModuleIdGeneration();
var courseModule = new CourseModule
{
Course = courseId,
Module = m.ModuleId,
CourseModuleId = courseModuleId
};
_dBase.CourseModules.Add(courseModule);
_dBase.SaveChanges();
}
return true;
}
return false;
}