| | | 1 | | namespace Syki.Back.Features.Academic.GetCampi; |
| | | 2 | | |
| | 8 | 3 | | public class GetCampiService(SykiDbContext ctx) : IAcademicService |
| | | 4 | | { |
| | | 5 | | public async Task<GetCampiOut> Get() |
| | | 6 | | { |
| | 8 | 7 | | var campi = await ctx.Campi.AsNoTracking() |
| | 8 | 8 | | .Where(c => c.InstitutionId == ctx.InstitutionId) |
| | 8 | 9 | | .OrderBy(c => c.Name) |
| | 8 | 10 | | .ToListAsync(); |
| | | 11 | | |
| | 8 | 12 | | FormattableString sql = $@" |
| | 8 | 13 | | SELECT |
| | 8 | 14 | | c.id AS id, |
| | 8 | 15 | | count(DISTINCT s.id) AS students, |
| | 8 | 16 | | count(DISTINCT tc.syki_teacher_id) AS teachers |
| | 8 | 17 | | FROM |
| | 8 | 18 | | syki.campi c |
| | 8 | 19 | | LEFT JOIN |
| | 8 | 20 | | syki.teachers__campi tc ON tc.campus_id = c.id |
| | 8 | 21 | | LEFT JOIN |
| | 8 | 22 | | syki.course_offerings co ON co.campus_id = c.id |
| | 8 | 23 | | LEFT JOIN |
| | 8 | 24 | | syki.students s ON s.course_offering_id = co.id |
| | 8 | 25 | | WHERE |
| | 8 | 26 | | c.institution_id = {ctx.InstitutionId} |
| | 8 | 27 | | GROUP BY |
| | 8 | 28 | | c.id |
| | 8 | 29 | | "; |
| | 8 | 30 | | var totals = await ctx.Database.SqlQuery<CampusEnrollmentDto>(sql).ToListAsync(); |
| | | 31 | | |
| | 8 | 32 | | var items = campi.ConvertAll(x => |
| | 8 | 33 | | { |
| | 18 | 34 | | var students = totals.FirstOrDefault(t => t.Id == x.Id)?.Students ?? 0; |
| | 18 | 35 | | var teachers = totals.FirstOrDefault(t => t.Id == x.Id)?.Teachers ?? 0; |
| | 8 | 36 | | return x.ToGetCampiItemOut(students, teachers); |
| | 8 | 37 | | }); |
| | | 38 | | |
| | 8 | 39 | | return new GetCampiOut() { Total = items.Count, Items = items }; |
| | 8 | 40 | | } |
| | | 41 | | |
| | | 42 | | private class CampusEnrollmentDto |
| | | 43 | | { |
| | 20 | 44 | | public Guid Id { get; set; } |
| | 8 | 45 | | public int Students { get; set; } |
| | 8 | 46 | | public int Teachers { get; set; } |
| | | 47 | | } |
| | | 48 | | } |