添加项目文件。

2025-05-23 19:03:00 +08:00
parent 6fa7679fd3
commit d36fef2bbb
185 changed files with 13413 additions and 0 deletions
--- a/TechHelper.Server/Context/Configuration/AssignmentConfiguration.cs
+++ b/TechHelper.Server/Context/Configuration/AssignmentConfiguration.cs
@@ -0,0 +1,82 @@
+using Entities.Contracts;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace TechHelper.Context.Configuration
+{
+	public class AssignmentConfiguration : IEntityTypeConfiguration<Assignment>
+	{
+		public void Configure(EntityTypeBuilder<Assignment> builder)
+		{
+			builder.ToTable("assignments");
+
+			builder.HasKey(a => a.Id);
+
+			builder.Property(a => a.Id)
+				   .HasColumnName("id")
+				   .ValueGeneratedOnAdd();
+
+			builder.Property(a => a.Title)
+				   .IsRequired()         
+				   .HasColumnName("title") 
+				   .HasMaxLength(255);    
+
+			builder.Property(a => a.Description)
+				   .HasColumnName("description"); 
+
+			builder.Property(a => a.DueDate)
+				   .IsRequired()         
+				   .HasColumnName("due_date");
+
+			builder.Property(a => a.TotalPoints)
+				   .HasColumnName("total_points"); 
+
+			builder.Property(a => a.CreatedBy)
+				   .HasColumnName("created_by"); 
+
+			builder.Property(a => a.CreatedAt)
+				   .IsRequired()         
+				   .HasColumnName("created_at");
+
+			builder.Property(a => a.UpdatedAt)
+				   .IsRequired()         
+				   .HasColumnName("updated_at"); 
+
+			builder.Property(a => a.IsDeleted)
+				   .HasColumnName("deleted"); 
+
+			// 配置导航属性和关系
+
+			// 关系: Assignment (多) 到 User (一) - CreatedBy 外键
+			// 假设 User 实体有 Id 作为主键
+			// .WithMany() 表示 User 有多个 Assignment，但这里不指定 User 上的导航属性名称
+			// 如果 User 有一个名为 AssignmentsCreated 的导航属性，应写为 .WithMany(u => u.AssignmentsCreated)
+			builder.HasOne(a => a.Creator)
+				   .WithMany() // User 实体没有指向 Assignment 的导航属性 (或我们不知道)
+				   .HasForeignKey(a => a.CreatedBy)
+				   .IsRequired(); // CreatedBy 是必填的，对应 [Required] 在外键属性上
+
+			// 关系: Assignment (一) 到 AssignmentClass (多)
+			// 假设 AssignmentClass 实体包含一个名为 AssignmentId 的外键属性
+			builder.HasMany(a => a.AssignmentClasses)
+				   .WithOne(ac => ac.Assignment) // AssignmentClass 没有指向 Assignment 的导航属性 (或我们不知道)
+				   .HasForeignKey("AssignmentId") // 指定外键名称为 AssignmentId
+				   .OnDelete(DeleteBehavior.Cascade); // 如果 Assignment 被删除，关联的 AssignmentClass 也会被删除
+
+			// 关系: Assignment (一) 到 AssignmentAttachment (多)
+			// 假设 AssignmentAttachment 实体包含一个名为 AssignmentId 的外键属性
+			builder.HasMany(a => a.AssignmentAttachments)
+				   .WithOne(aa => aa.Assignment)
+				   .HasForeignKey("AssignmentId")
+				   .OnDelete(DeleteBehavior.Cascade);
+
+			// 关系: Assignment (一) 到 Submission (多)
+			// 假设 Submission 实体包含一个名为 AssignmentId 的外键属性
+			builder.HasMany(a => a.Submissions)
+				   .WithOne(s => s.Assignment)
+				   .HasForeignKey("AssignmentId")
+				   .OnDelete(DeleteBehavior.Cascade);
+		}
+	}
+}