| | | 1 | | using Syki.Back.Domain.Students; |
| | | 2 | | |
| | | 3 | | namespace Syki.Back.Features.Students.EnrollStudentInCourseOffering; |
| | | 4 | | |
| | 0 | 5 | | public class EnrollStudentInCourseOfferingService(SykiDbContext ctx) : ISykiService |
| | | 6 | | { |
| | | 7 | | public async Task<OneOf<EnrollStudentInCourseOfferingOut, SykiError>> Enroll(int studentId, EnrollStudentInCourseOff |
| | | 8 | | { |
| | 0 | 9 | | var institutionId = ctx.RequestUser.InstitutionId; |
| | | 10 | | |
| | 0 | 11 | | var student = await ctx.Students.FirstOrDefaultAsync(s => s.Id == studentId && s.InstitutionId == institutionId) |
| | 0 | 12 | | if (student == null) return StudentNotFound.I; |
| | | 13 | | |
| | 0 | 14 | | var offering = await ctx.CourseOfferings.FirstOrDefaultAsync(o => o.Id == data.CourseOfferingId && o.Institution |
| | 0 | 15 | | if (offering == null) return CourseOfferingNotFound.I; |
| | | 16 | | |
| | 0 | 17 | | var alreadyEnrolled = await ctx.StudentCourseEnrollments |
| | 0 | 18 | | .AnyAsync(e => e.StudentId == studentId && e.CourseOfferingId == data.CourseOfferingId); |
| | 0 | 19 | | if (alreadyEnrolled) return StudentAlreadyEnrolledInCourseOffering.I; |
| | | 20 | | |
| | 0 | 21 | | var enrollment = new StudentCourseEnrollment(studentId, data.CourseOfferingId); |
| | 0 | 22 | | ctx.Add(enrollment); |
| | 0 | 23 | | await ctx.SaveChangesAsync(); |
| | | 24 | | |
| | 0 | 25 | | return new EnrollStudentInCourseOfferingOut { Id = enrollment.Id }; |
| | 0 | 26 | | } |
| | | 27 | | } |