public IActionResult UpsertCourseForAuthor(Guid authorId,
Guid courseId,
CourseForUpsertDto courseUpsertDto)
{
if (!this._repos.AuthorExists(authorId))
{
return(NotFound());
}
var courseEntity = this._repos.GetCourse(authorId, courseId);
if (courseEntity == null)
{
var course = this._mapper.Map <Course>(courseUpsertDto);
course.Id = courseId;
this._repos.AddCourse(authorId, course);
this._repos.Save();
var courseDto = this._mapper.Map <CourseDto>(course);
return(CreatedAtRoute("GetCourse", new { authorId, courseId = courseDto.Id }, courseDto));
}
// map the entity to a CourseForUpsertDto
// apply the updated field values to that dto
// map the CourseForUpsertDto back to an entity.
// Scheme: courseUpsertDto<CourseForUpsertDto> -> courseEntity<Course> -> Set dto parameters
// -> returns to courseEntity<Course> with new parameters
this._mapper.Map(courseUpsertDto, courseEntity);
// This decorated method. Can be work without him.
// There not have code implementation.
this._repos.UpdateCourse(courseEntity);
// Saves changes entity to db without using repository method, because we have reference for him
this._repos.Save();
return(NoContent());
}
public IActionResult PatchCourseForAuthor(Guid authorId,
Guid courseId,
JsonPatchDocument <CourseForUpsertDto> patchDocument)
{
/*
* For example what we need to send (in postman we use Text format):
* Headers :
* - Content-Type: application/json-patch+json
* - Accept: application/json
* [
* {
* "op": "replace", // "add", "copy", "remove", "move"
* "path": "/title",
* "value": "Title from patch"
* }
* ]
*/
if (!this._repos.AuthorExists(authorId))
{
return(NotFound());
}
var courseEntity = this._repos.GetCourse(authorId, courseId);
if (courseEntity == null)
{
/*
* For request parameters example:
* [
* {
* "op": "add", // replace
* "path": "/title",
* "value": "Title from patch"
* },
* {
* "op": "add", // replace
* "path": "/description",
* "value": "Description from patch"
* }
* ]
*/
var courseForUpsertDto = new CourseForUpsertDto();
patchDocument.ApplyTo(courseForUpsertDto, ModelState);
if (!TryValidateModel(courseForUpsertDto))
{
return(ValidationProblem(ModelState));
}
var course = this._mapper.Map <Course>(courseForUpsertDto);
course.Id = courseId;
this._repos.AddCourse(authorId, course);
this._repos.Save();
var courseDto = this._mapper.Map <CourseDto>(course);
return(CreatedAtRoute("GetCourse", new { authorId, courseId = courseDto.Id }, courseDto));
}
var courseUpsertDto = this._mapper.Map <CourseForUpsertDto>(courseEntity);
// + Newtonsoft package.
// Changes courseUpsertDto field.
patchDocument.ApplyTo(courseUpsertDto, ModelState);
if (!TryValidateModel(courseUpsertDto))
{
return(ValidationProblem(ModelState));
}
this._mapper.Map(courseUpsertDto, courseEntity);
this._repos.UpdateCourse(courseEntity);
this._repos.Save();
return(NoContent());
}
