117 lines
2.9 KiB
C#
117 lines
2.9 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 Entities.DTO;
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namespace Entities.Contracts
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{
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[Table("assignments")]
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public class Assignment
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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("title")]
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[StringLength(255)]
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public string Title { get; set; }
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[Column("description")]
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public string Description { get; set; }
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[Column("subject_area")]
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public SubjectAreaEnum SubjectArea { get; set; }
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[Required]
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[Column("exam_struct_id")]
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public Guid ExamStructId { get; set; }
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[Required]
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[Column("due_date")]
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public DateTime DueDate { get; set; }
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[Column("total_points")]
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public byte TotalQuestions { get; set; }
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[Column("score")]
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public float Score { get; set; }
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[Column("created_by")]
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public Guid CreatorId { get; set; }
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[Column("created_at")]
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public DateTime CreatedAt { get; set; }
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[Column("updated_at")]
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public DateTime UpdatedAt { get; set; } = DateTime.UtcNow;
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[Column("deleted")]
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public bool IsDeleted { get; set; } = false;
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// Navigation Properties
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[ForeignKey(nameof(CreatorId))]
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public User Creator { get; set; }
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public ICollection<AssignmentClass> AssignmentClasses { get; set; }
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[ForeignKey(nameof(ExamStructId))]
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public AssignmentQuestion ExamStruct { get; set; }
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public ICollection<AssignmentAttachment> AssignmentAttachments { get; set; }
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public ICollection<Submission> Submissions { get; set; }
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public Assignment()
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{
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Id = Guid.NewGuid();
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Submissions = new HashSet<Submission>();
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AssignmentClasses = new HashSet<AssignmentClass>();
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AssignmentAttachments = new HashSet<AssignmentAttachment>();
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}
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}
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public static class AssignmentExt
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{
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public static Submission ConvertToSubmission(this Assignment assignment, Guid studentId, Guid GraderId)
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{
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if (assignment == null) return new Submission();
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var submission = new Submission();
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submission.StudentId = studentId;
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submission.SubmissionTime = DateTime.Now;
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submission.Status = SubmissionStatus.Pending;
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submission.GraderId = GraderId;
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submission.AssignmentId = assignment.Id;
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ConvertExamSturctToSubmissionDetails(assignment.ExamStruct, studentId, submission.SubmissionDetails);
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return submission;
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}
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public static void ConvertExamSturctToSubmissionDetails(AssignmentQuestion examStruct, Guid studentId, ICollection<SubmissionDetail> submissions)
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{
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if (examStruct == null) return;
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submissions.Add(new SubmissionDetail
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{
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StudentId = studentId,
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AssignmentQuestionId = examStruct.Id,
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IsCorrect = true,
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CreatedAt = DateTime.Now,
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UpdatedAt = DateTime.Now,
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Status = SubmissionStatus.Pending,
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});
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examStruct.ChildrenAssignmentQuestion?.ToList().ForEach(s =>
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{
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ConvertExamSturctToSubmissionDetails(s, studentId, submissions);
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});
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}
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}
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}
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