public async Task <ApiResult> CreateCourseAsync(TrainingCourseDTO courseDTO)
{
var result = default(ApiResult);
var course = await courses.GetEntityByConditionAsync(x => x.Title.Equals(courseDTO.Title));
if (course != null)
{
var message = "Course creation has failed";
var loggerMessage = $"Course with title {courseDTO.Title} already exists";
var errors = new string[] { loggerMessage };
result = ApiResult.GetErrorResult(ApiResultStatus.BadRequest, loggerMessage, message, errors);
}
else
{
var image = courseDTO.Cover;
if (image.Contains("share/img/courses"))
{
courseDTO.Cover = imageWorker.CutImageToName(image);
}
course = mapperWrapper.MapEntity(courseDTO);
await courses.CreateAsync(course);
result = ApiResult.GetOkResult(ApiResultStatus.Ok, "Course created");
}
return(result);
}
public async Task <ApiResult> DeleteAsync(int courseId, int userId)
{
var result = default(ApiResult);
var message = "Unsabscribe has failed";
var errors = new string[] { $"{message}. Contact administrator, please" };
var loggerMessage = $"{message}. CourseId = {courseId}, UserId = {userId}";
var courseJobs = await courseJobUser.GetEntitiesByCondition(x => x.CourseId.Equals(courseId) && x.UserId.Equals(userId))
.ToArrayAsync();
if (!courseJobs.Any())
{
result = ApiResult.GetErrorResult(ApiResultStatus.BadRequest, loggerMessage, message, errors);
}
else
{
var removeJobResult = false;
foreach (var courseJob in courseJobs)
{
removeJobResult = backgroundJobClient.Delete(courseJob.JobId);
if (removeJobResult)
{
await courseJobUser.DeleteAsync(courseJob);
}
else
{
result = ApiResult.GetErrorResult(ApiResultStatus.BadRequest, loggerMessage, message, errors);
return(result);
}
}
var userCourse = await usersCourses.GetEntityByConditionAsync(x => x.SystemUserId.Equals(userId) && x.TrainingCourseId.Equals(courseId));
await usersCourses.DeleteAsync(userCourse);
result = ApiResult.GetOkResult(ApiResultStatus.Ok);
}
return(result);
}