fengling-risk-control/Fengling.RiskControl.Domain/Aggregates/RiskAlerts/RiskAlert.cs

using NetCorePal.Extensions.Domain;

namespace Fengling.RiskControl.Domain.Aggregates.RiskAlerts;

public class RiskAlert : Entity<long>, IAggregateRoot
{
    public long MemberId { get; private set; }
    public string AlertType { get; private set; } = string.Empty;
    public string Description { get; private set; } = string.Empty;
    public RiskAlertPriority Priority { get; private set; }
    public RiskAlertStatus Status { get; private set; } = RiskAlertStatus.Pending;
    public string? ResolutionNotes { get; private set; }
    public long? AssignedTo { get; private set; }
    public DateTime CreatedAt { get; private set; } = DateTime.UtcNow;
    public DateTime? ResolvedAt { get; private set; }

    private RiskAlert() { }

    public static RiskAlert Create(long memberId, string alertType, string description,
        RiskAlertPriority priority = RiskAlertPriority.Medium)
    {
        return new RiskAlert
        {
            MemberId = memberId,
            AlertType = alertType,
            Description = description,
            Priority = priority,
            Status = RiskAlertStatus.Pending
        };
    }

    public void Resolve(string notes)
    {
        Status = RiskAlertStatus.Resolved;
        ResolutionNotes = notes;
        ResolvedAt = DateTime.UtcNow;
    }

    public void Dismiss(string notes)
    {
        Status = RiskAlertStatus.Dismissed;
        ResolutionNotes = notes;
        ResolvedAt = DateTime.UtcNow;
    }

    public void Escalate()
    {
        Priority = Priority == RiskAlertPriority.Critical 
            ? RiskAlertPriority.Critical 
            : Priority + 1;
        Status = RiskAlertStatus.Investigating;
    }

    public void AssignTo(long adminId)
    {
        AssignedTo = adminId;
        Status = RiskAlertStatus.Investigating;
    }
}