Initial import

backend/src/MinAttest.Domain/Entities/Attest.cs

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+namespace MinAttest.Domain.Entities;
+
+public class Attest
+{
+    public Guid Id { get; set; }
+    public Guid PersonId { get; set; }
+    public Person Person { get; set; } = null!;
+
+    public Guid? EmployerId { get; set; }
+    public Employer? Employer { get; set; }
+
+    public string Title { get; set; } = string.Empty;
+    public DateOnly From { get; set; }
+    public DateOnly To { get; set; }
+    public string? Summary { get; set; }
+
+    public string BlobPath { get; set; } = string.Empty;
+    public string? BlobHash { get; set; }
+
+    // Temporary in-DB storage (to be replaced by Azure Blob)
+    public byte[]? Content { get; set; }
+    public string? ContentType { get; set; }
+    public long? ContentLength { get; set; }
+
+    public AttestStatus Status { get; set; } = AttestStatus.Unverified;
+    public DateTimeOffset IssuedAt { get; set; } = DateTimeOffset.UtcNow;
+    public string? IssuedBy { get; set; }
+
+    public ICollection<ShareLink> ShareLinks { get; set; } = [];
+}

backend/src/MinAttest.Domain/Entities/AuditLog.cs

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+namespace MinAttest.Domain.Entities;
+
+public class AuditLog
+{
+    public Guid Id { get; set; }
+    public ActorType ActorType { get; set; }
+    public Guid? ActorId { get; set; }
+    public string Action { get; set; } = string.Empty;
+    public string TargetType { get; set; } = string.Empty;
+    public Guid TargetId { get; set; }
+    public DateTimeOffset Timestamp { get; set; } = DateTimeOffset.UtcNow;
+    public string? Ip { get; set; }
+}

backend/src/MinAttest.Domain/Entities/Employer.cs

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+namespace MinAttest.Domain.Entities;
+
+public class Employer
+{
+    public Guid Id { get; set; }
+    public string OrgNumber { get; set; } = string.Empty;
+    public string Name { get; set; } = string.Empty;
+
+    public ICollection<Attest> Attests { get; set; } = [];
+    public ICollection<EmployerUser> Users { get; set; } = [];
+}

backend/src/MinAttest.Domain/Entities/EmployerUser.cs

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+namespace MinAttest.Domain.Entities;
+
+public class EmployerUser
+{
+    public Guid Id { get; set; }
+    public Guid EmployerId { get; set; }
+    public Employer Employer { get; set; } = null!;
+
+    // Entra ID object id of the user
+    public string ExternalObjectId { get; set; } = string.Empty;
+
+    public string Email { get; set; } = string.Empty;
+    public string? Name { get; set; }
+
+    public EmployerUserRole Role { get; set; } = EmployerUserRole.Issuer;
+}
+

backend/src/MinAttest.Domain/Entities/Enums.cs

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+namespace MinAttest.Domain.Entities;
+
+public enum AttestStatus
+{
+    Issued = 1,
+    Unverified = 2,
+    Revoked = 3
+}
+
+public enum ActorType
+{
+    Person = 1,
+    Employer = 2,
+    Verifier = 3
+}
+
+public enum EmployerUserRole
+{
+    Issuer = 1,
+    Admin = 2
+}

backend/src/MinAttest.Domain/Entities/Person.cs

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+namespace MinAttest.Domain.Entities;
+
+public class Person
+{
+    public Guid Id { get; set; }
+    public string NationalIdHash { get; set; } = null!;
+    public string? NationalIdEncrypted { get; set; }
+    public string? Email { get; set; }
+    public string? Phone { get; set; }
+
+    public ICollection<Attest> Attests { get; set; } = [];
+}

backend/src/MinAttest.Domain/Entities/ShareLink.cs

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+namespace MinAttest.Domain.Entities;
+
+public class ShareLink
+{
+    public Guid Id { get; set; }
+    public Guid AttestId { get; set; }
+    public Attest Attest { get; set; } = null!;
+
+    public string Code { get; set; } = string.Empty;
+    public DateTimeOffset ExpiresAt { get; set; }
+    public DateTimeOffset? RevokedAt { get; set; }
+    public bool OneTime { get; set; }
+}

backend/src/MinAttest.Domain/MinAttest.Domain.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net9.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+</Project>