public async Task <ActionResult <CourseDefinitionDTO> > PostCourseDefinition(CourseDefinitionDTO courseDefinition)
{
var year = await _context.AcademicYears.FirstAsync(y => y.Id == courseDefinition.Year);
if (year is null)
{
ModelState.AddModelError("year", "Invalid course year provided.");
return(BadRequest(ModelState));
}
var courseDef = courseMapper.MapDefinitionDTO(courseDefinition, year);
courseDef.Slug = slugService.TransformText(courseDef.Name);
var existingDef = await _context.CourseDefinitions.FirstOrDefaultAsync(c => c.Slug == courseDef.Slug);
if (!(existingDef is null))
{
ModelState.AddModelError("name", $"Failed to generate unique url slug. The generated slug ({courseDef.Slug}) is used by another course.");
return(BadRequest(ModelState));
}
_context.CourseDefinitions.Add(courseDef);
await _context.SaveChangesAsync();
await cache.ClearCoursesRefCacheAsync();
return(CreatedAtAction("GetCourseDefinition",
new { id = courseDef.Id },
courseMapper.MapDefinition(courseDef)
));
}
public CourseDefinition MapDefinitionDTO(CourseDefinitionDTO dto, AcademicYear year)
{
if (dto == null)
{
throw new ArgumentNullException(nameof(dto));
}
return(new CourseDefinition {
Id = dto.Id ?? Guid.Empty,
Year = year,
Semester = dto.Semester,
Name = dto.Name,
Acronym = dto.Acronym
});
}
public async Task <IActionResult> PutCourseDefinition(Guid id, CourseDefinitionDTO courseDefinition)
{
if (id != courseDefinition.Id)
{
return(BadRequest());
}
var year = await _context.AcademicYears.FirstAsync(y => y.Id == courseDefinition.Year);
if (year is null)
{
ModelState.AddModelError("year", "Invalid course year provided.");
return(BadRequest(ModelState));
}
var courseDef = courseMapper.MapDefinitionDTO(courseDefinition, year);
courseDef.Slug = slugService.TransformText(courseDef.Name);
var existingDef = await _context.CourseDefinitions.FirstOrDefaultAsync(c => c.Id != courseDef.Id && c.Slug == courseDef.Slug);
if (!(existingDef is null))
{
ModelState.AddModelError("name", $"Failed to generate unique url slug from the course name. The generated slug ({courseDef.Slug}) is used by another course.");
return(BadRequest(ModelState));
}
_context.Entry(courseDef).State = EntityState.Modified;
try {
await _context.SaveChangesAsync();
await cache.ClearCourseDefinitionCacheAsync(id);
} catch (DbUpdateConcurrencyException) {
if (!CourseDefinitionExists(id))
{
return(NotFound());
}
else
{
throw;
}
}
return(NoContent());
}
