public IHttpActionResult AddMaterial(int id, MaterialModel material)
{
var course = this.data.Courses
.All()
.FirstOrDefault(c => c.Id == id);
if (course == null)
{
return BadRequest("Course not exist - invalid id");
}
if (!this.ModelState.IsValid)
{
return BadRequest(this.ModelState);
}
course.Materials.Add(new Material
{
Content = material.Content
});
this.data.Courses.SaveChanges();
return Ok(material);
}
public IHttpActionResult Change(MaterialModel materialModel)
{
if (!this.ModelState.IsValid)
{
return this.BadRequest(this.ModelState);
}
var material = this.StudentSystemData.Materials.Find(materialModel.MaterialId);
if (material == null)
{
return this.NotFound();
}
try
{
material.DownloadUrl = materialModel.DownloadUrl;
material.HomeworkId = materialModel.HomeworkId;
materialModel.Type = materialModel.Type;
this.StudentSystemData.SaveChanges();
}
catch (DbUpdateConcurrencyException)
{
if (!this.MaterialExists(materialModel.MaterialId))
{
return this.NotFound();
}
else
{
throw;
}
}
return this.StatusCode(HttpStatusCode.NoContent);
}