Everything works now lets goo

SecureSharing.Data/Data/FileModel.cs

-namespace SecureSharing.Data.Data;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Diagnostics.CodeAnalysis;
+
+namespace SecureSharing.Data.Data;
 
 public class FileModel
 {
     public int Id { get; set; }
     public string Name { get; set; }
+    [NotNull]
+    [ForeignKey("MessageId")]
+    public int MessageId { get; set; }
 }

SecureSharing.Data/Migrations/20220929105349_Init.Designer.cs → SecureSharing.Data/Migrations/20221003065352_Init.Designer.cs

 namespace SecureSharing.Data.Migrations
 {
     [DbContext(typeof(AppDbContext))]
-    [Migration("20220929105349_Init")]
+    [Migration("20221003065352_Init")]
     partial class Init
     {
         protected override void BuildTargetModel(ModelBuilder modelBuilder)
 
                     SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
 
-                    b.Property<int?>("MessageId")
+                    b.Property<int>("MessageId")
                         .HasColumnType("int");
 
                     b.Property<string>("Name")
                 {
                     b.HasOne("SecureSharing.Data.Data.Message", null)
                         .WithMany("FileNames")
-                        .HasForeignKey("MessageId");
+                        .HasForeignKey("MessageId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
                 });
 
             modelBuilder.Entity("SecureSharing.Data.Data.Message", b =>

SecureSharing.Data/Migrations/20220929105349_Init.cs → SecureSharing.Data/Migrations/20221003065352_Init.cs

                     Id = table.Column<int>(type: "int", nullable: false)
                         .Annotation("SqlServer:Identity", "1, 1"),
                     Name = table.Column<string>(type: "nvarchar(max)", nullable: true),
-                    MessageId = table.Column<int>(type: "int", nullable: true)
+                    MessageId = table.Column<int>(type: "int", nullable: false)
                 },
                 constraints: table =>
                 {

SecureSharing.Data/Migrations/AppDbContextModelSnapshot.cs

 
                     SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
 
-                    b.Property<int?>("MessageId")
+                    b.Property<int>("MessageId")
                         .HasColumnType("int");
 
                     b.Property<string>("Name")
                 {
                     b.HasOne("SecureSharing.Data.Data.Message", null)
                         .WithMany("FileNames")
-                        .HasForeignKey("MessageId");
+                        .HasForeignKey("MessageId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
                 });
 
             modelBuilder.Entity("SecureSharing.Data.Data.Message", b =>

SecureSharing.Data/SecureSharing.Data.csproj

     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="AutoMapper" Version="11.0.1"/>
-        <PackageReference Include="Microsoft.AspNetCore.Authentication.Google" Version="6.0.9"/>
-        <PackageReference Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" Version="6.0.9"/>
-        <PackageReference Include="Microsoft.EntityFrameworkCore" Version="6.0.9"/>
-        <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="6.0.9"/>
+        <PackageReference Include="AutoMapper" Version="11.0.1" />
+        <PackageReference Include="Microsoft.AspNetCore.Authentication.Google" Version="6.0.9" />
+        <PackageReference Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" Version="6.0.9" />
+        <PackageReference Include="Microsoft.EntityFrameworkCore" Version="6.0.9" />
+        <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="6.0.9" />
         <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="6.0.9">
             <PrivateAssets>all</PrivateAssets>
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
-        <PackageReference Include="Microsoft.Extensions.Configuration" Version="6.0.1"/>
-        <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="6.0.0"/>
-    </ItemGroup>
-
-    <ItemGroup>
-        <Folder Include="Migrations"/>
+        <PackageReference Include="Microsoft.Extensions.Configuration" Version="6.0.1" />
+        <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="6.0.0" />
     </ItemGroup>
 
 </Project>

SecureSharing/Program.cs

 services.AddScoped<MessageDeletionJob>();
 services.AddSingleton(new JobMetadata(
     typeof(MessageDeletionJob),
-    "0 0 01 * * ?"));
+    "0 10 09 * * ?"));
 
 services.AddHostedService<JobsService>();