实验预约

src/Jiaowu.Api/Domain/Academic/ExperimentEntities.cs

@@ -0,0 +1,79 @@
+using Jiaowu.Api.Domain.Common;
+
+namespace Jiaowu.Api.Domain.Academic;
+
+public sealed class ExperimentProject : EntityBase
+{
+    public Guid TeachingTaskId { get; set; }
+    public TeachingTask? TeachingTask { get; set; }
+    public required string Code { get; set; }
+    public required string Name { get; set; }
+    public ExperimentArrangementMode ArrangementMode { get; set; }
+    public string? Description { get; set; }
+    public string? Requirements { get; set; }
+    public DateOnly StartDate { get; set; }
+    public DateOnly EndDate { get; set; }
+    public ExperimentProjectStatus Status { get; set; } =
+        ExperimentProjectStatus.Draft;
+    public DateTime? PublishedAt { get; set; }
+    public DateTime? ClosedAt { get; set; }
+    public ICollection<ExperimentSession> Sessions { get; set; } = [];
+    public ICollection<ExperimentBooking> Bookings { get; set; } = [];
+}
+
+public sealed class ExperimentSession : EntityBase
+{
+    public Guid ExperimentProjectId { get; set; }
+    public ExperimentProject? ExperimentProject { get; set; }
+    public Guid ClassroomId { get; set; }
+    public Classroom? Classroom { get; set; }
+    public DateOnly SessionDate { get; set; }
+    public int StartPeriod { get; set; }
+    public int PeriodCount { get; set; }
+    public int Capacity { get; set; }
+    public int ReservedCount { get; set; }
+    public string? Notes { get; set; }
+    public ExperimentSessionStatus Status { get; set; } =
+        ExperimentSessionStatus.Scheduled;
+    public DateTime? CancelledAt { get; set; }
+    public ICollection<ExperimentBooking> Bookings { get; set; } = [];
+}
+
+public sealed class ExperimentBooking : EntityBase
+{
+    public Guid ExperimentProjectId { get; set; }
+    public ExperimentProject? ExperimentProject { get; set; }
+    public Guid ExperimentSessionId { get; set; }
+    public ExperimentSession? ExperimentSession { get; set; }
+    public Guid StudentId { get; set; }
+    public Student? Student { get; set; }
+    public ExperimentBookingStatus Status { get; set; } =
+        ExperimentBookingStatus.Booked;
+    public DateTime BookedAt { get; set; } = DateTime.UtcNow;
+    public DateTime? CancelledAt { get; set; }
+}
+
+public enum ExperimentArrangementMode
+{
+    Centralized = 1,
+    SelfScheduled = 2
+}
+
+public enum ExperimentProjectStatus
+{
+    Draft = 1,
+    Published = 2,
+    Closed = 3
+}
+
+public enum ExperimentSessionStatus
+{
+    Scheduled = 1,
+    Cancelled = 2
+}
+
+public enum ExperimentBookingStatus
+{
+    Booked = 1,
+    Cancelled = 2
+}

src/Jiaowu.Api/Infrastructure/Persistence/AppDbContext.cs

@@ -44,6 +44,9 @@ public sealed class AppDbContext(DbContextOptions<AppDbContext> options)
         Set<SchedulePublishJob>();
     public DbSet<ClassroomReservation> ClassroomReservations =>
         Set<ClassroomReservation>();
+    public DbSet<ExperimentProject> ExperimentProjects => Set<ExperimentProject>();
+    public DbSet<ExperimentSession> ExperimentSessions => Set<ExperimentSession>();
+    public DbSet<ExperimentBooking> ExperimentBookings => Set<ExperimentBooking>();
     public DbSet<CourseSelectionRound> CourseSelectionRounds =>
         Set<CourseSelectionRound>();
     public DbSet<CourseSelectionRoundGrade> CourseSelectionRoundGrades =>
@@ -547,6 +550,64 @@ public sealed class AppDbContext(DbContextOptions<AppDbContext> options)
                 .OnDelete(DeleteBehavior.SetNull);
         });
 
+        builder.Entity<ExperimentProject>(entity =>
+        {
+            entity.Property(x => x.Code).HasMaxLength(40);
+            entity.Property(x => x.Name).HasMaxLength(120);
+            entity.Property(x => x.Description).HasMaxLength(1000);
+            entity.Property(x => x.Requirements).HasMaxLength(1000);
+            entity.HasIndex(x => new { x.TeachingTaskId, x.Code }).IsUnique();
+            entity.HasIndex(x => new { x.Status, x.StartDate, x.EndDate });
+            entity.HasOne(x => x.TeachingTask).WithMany()
+                .HasForeignKey(x => x.TeachingTaskId)
+                .OnDelete(DeleteBehavior.Restrict);
+        });
+
+        builder.Entity<ExperimentSession>(entity =>
+        {
+            entity.Property(x => x.Notes).HasMaxLength(500);
+            entity.HasIndex(x => new
+            {
+                x.ExperimentProjectId,
+                x.SessionDate,
+                x.StartPeriod
+            });
+            entity.HasIndex(x => new
+            {
+                x.ClassroomId,
+                x.SessionDate,
+                x.Status,
+                x.StartPeriod
+            });
+            entity.HasOne(x => x.ExperimentProject).WithMany(x => x.Sessions)
+                .HasForeignKey(x => x.ExperimentProjectId)
+                .OnDelete(DeleteBehavior.Cascade);
+            entity.HasOne(x => x.Classroom).WithMany()
+                .HasForeignKey(x => x.ClassroomId)
+                .OnDelete(DeleteBehavior.Restrict);
+        });
+
+        builder.Entity<ExperimentBooking>(entity =>
+        {
+            entity.HasIndex(x => new { x.ExperimentProjectId, x.StudentId })
+                .IsUnique();
+            entity.HasIndex(x => new
+            {
+                x.ExperimentSessionId,
+                x.Status,
+                x.BookedAt
+            });
+            entity.HasOne(x => x.ExperimentProject).WithMany(x => x.Bookings)
+                .HasForeignKey(x => x.ExperimentProjectId)
+                .OnDelete(DeleteBehavior.Cascade);
+            entity.HasOne(x => x.ExperimentSession).WithMany(x => x.Bookings)
+                .HasForeignKey(x => x.ExperimentSessionId)
+                .OnDelete(DeleteBehavior.Restrict);
+            entity.HasOne(x => x.Student).WithMany()
+                .HasForeignKey(x => x.StudentId)
+                .OnDelete(DeleteBehavior.Restrict);
+        });
+
         builder.Entity<CourseSelectionRound>(entity =>
         {
             entity.Property(x => x.Name).HasMaxLength(120);