80 lines
1.8 KiB
C#
80 lines
1.8 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel.DataAnnotations.Schema;
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using System.ComponentModel.DataAnnotations;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using Microsoft.EntityFrameworkCore;
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namespace Entities.Contracts
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{
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[Table("submissions")]
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public class Submission
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{
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[Key]
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[Column("id")]
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public Guid Id { get; set; }
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[Required]
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[Column("assignment_id")]
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[ForeignKey("Assignment")]
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public Guid AssignmentId { get; set; }
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[Required]
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[Column("student_id")]
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[ForeignKey("Student")]
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public Guid StudentId { get; set; }
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[Required]
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[Column("attempt_number")]
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public Guid AttemptNumber { get; set; }
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[Column("submission_time")]
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public DateTime SubmissionTime { get; set; }
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[Column("overall_grade")]
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public float? OverallGrade { get; set; }
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[Column("overall_feedback")]
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public string OverallFeedback { get; set; }
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[Column("graded_by")]
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[ForeignKey("Grader")]
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public Guid? GradedBy { get; set; }
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[Column("graded_at")]
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public DateTime? GradedAt { get; set; }
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[Column("deleted")]
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public bool IsDeleted { get; set; }
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[Required]
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[Column("status")]
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public SubmissionStatus Status { get; set; }
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// Navigation Properties
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public Assignment Assignment { get; set; }
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public User Student { get; set; }
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public User Grader { get; set; }
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public ICollection<SubmissionDetail> SubmissionDetails { get; set; }
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public Submission()
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{
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Id = Guid.NewGuid();
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SubmissionDetails = new HashSet<SubmissionDetail>();
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}
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}
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public enum SubmissionStatus
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{
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Pending, // 待提交/未开始
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Submitted, // 已提交
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Graded, // 已批改
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Resubmission, // 待重新提交 (如果允许)
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Late, // 迟交
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Draft, // 草稿
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// ... 添加你需要的其他状态
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}
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}
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