// -DtoQuery
public async Task <CourseDto> CreateCourseAsync(CourseDto courseDto, string username)
{
OnCreate(courseDto, username);
var entity = CourseDto.AsCourseFunc(courseDto);
ToEntity(ref entity, courseDto);
//entity.InsertUser = entity.LastActivityUser = username;
//entity.InsertDateTime = entity.LastActivityDateTime = DateTime.UtcNow;
entity.AddTracker(username);
_context.Courses.Add(entity);
OnBeforeCreate(entity, username);
try
{
await _context.SaveChangesAsync();
}
catch (Exception ex)
{
// _context.Entry(entity).State = EntityState.Detached;
throw new Exception("Add error", ex);
}
finally
{
// _context.Entry(entity).State = EntityState.Detached;
}
OnAfterCreate(entity, username);
// courseDto = CourseDto.AsCourseDtoFunc(entity);
courseDto = await GetCourseDtoAsync(entity.Id, CourseDto.IncludeNavigations());
return(courseDto);
}
public async Task <ActionResult <IEnumerable <CourseDto> > > GetCourses(string searchText = null
, string codeText = null
, string titleText = null
, double?unitText = null
/*, int pageNumber=1, int pageSize=7*/)
{
// var courses = _context.Courses.Select(CourseDto.AsCourseDto);
List <Expression <Func <CourseDto, bool> > > filters = null;
if (String.IsNullOrEmpty(searchText) &&
String.IsNullOrEmpty(codeText) &&
String.IsNullOrEmpty(titleText) &&
unitText == null
)
{
// return null;
}
else
{
filters = new List <Expression <Func <CourseDto, bool> > >();
if (!String.IsNullOrEmpty(searchText))
{
if (searchText.CompareTo("*") != 0 && searchText.CompareTo("%") != 0)
{
filters.Add(x => x.Id.ToString().Contains(searchText));
}
}
if (!String.IsNullOrEmpty(codeText))
{
filters.Add(x => x.Code == codeText);
}
if (!String.IsNullOrEmpty(titleText))
{
filters.Add(x => x.Title == titleText);
}
if (unitText != null)
{
filters.Add(x => x.Unit == unitText);
}
}
//sort
//return courses.OrderBy(o => o.Id).Skip(((pageNumber - 1) * pageSize)).Take(pageSize);
// OnSelectQuery(ref courses);
// return await courses.ToListAsync();
if (filters == null)
{
return(await courseService.GetCourseDtoesAsync(CourseDto.IncludeNavigations()));
}
else
{
return(await courseService.GetCourseDtoesAsync(CourseDto.IncludeNavigations(), filters.ToArray()));
}
}
public async Task <ActionResult <CourseDto> > GetCourse(int id)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
var course = await courseService.GetCourseDtoAsync(id, CourseDto.IncludeNavigations());
if (course == null)
{
return(NotFound());
}
return(course);
}
public async Task <bool> UpdateCourseAsync(CourseDto courseDto, string username /*, String[] includeNavigations, params Expression<Func<Course, bool>>[] filters*/)
{
OnUpdate(courseDto, username);
// Get Course
var entity = EntityQuery(_context, CourseDto.IncludeNavigations())
.FirstOrDefault(x => x.Id == courseDto.Id);
if (entity != null)
{
entity = CourseDto.ToCourseFunc(entity, courseDto);
ToEntity(ref entity, courseDto);
//entity.UpdateUser = entity.LastActivityUser = username;
//entity.UpdateDateTime = entity.LastActivityDateTime = DateTime.UtcNow;
entity.EditTracker(username);
OnBeforeUpdate(entity, username);
try
{
await _context.SaveChangesAsync();
}
catch (Exception ex)
{
// _context.Entry(entity).State = EntityState.Detached;
throw new Exception("Update error", ex);
}
finally
{
// _context.Entry(entity).State = EntityState.Detached;
}
OnAfterUpdate(entity, username);
}
else
{
return(false);
}
return(true);
}
