public async Task UpdateCourseDesignAsync(CourseDesignViewModel model)
{
await UpdateAsync(model.CourseDesign);
var courseSeminars = await _context.CourseSeminars.ToListAsync();
model.CheckList.ForEach(async item =>
{
var existingEntry = courseSeminars
.FirstOrDefault(x => x.CourseDesignId == model.CourseDesign.CourseDesignId &&
x.SeminarId == item.Id);
if (!item.IsSelected && existingEntry != null)
{
await RemoveAsync(existingEntry);
}
if (item.IsSelected && existingEntry == null)
{
CourseSeminar cs = new CourseSeminar()
{
CourseDesignId = model.CourseDesign.CourseDesignId,
SeminarId = item.Id
};
_context.Add(cs);
}
});
await _context.SaveChangesAsync();
}
public async Task AddCourseDesignAsync(CourseDesignViewModel model)
{
await AddAsync(model.CourseDesign);
foreach (var item in model.CheckList)
{
if (item.IsSelected)
{
CourseSeminar cs = new CourseSeminar()
{
CourseDesignId = model.CourseDesign.CourseDesignId,
SeminarId = item.Id
};
_context.Add(cs);
}
}
await _context.SaveChangesAsync();
}
