什么是供应商的停用状态管理系统?全面指南

// 供应商状态管理实体类
public class SupplierStatusManagement
{
    public int Id { get; set; }
    
    // 供应商基本信息
    public string SupplierCode { get; set; }
    public string SupplierName { get; set; }
    public SupplierStatus Status { get; set; }
    
    // 停用相关信息
    public DateTime? DeactivationDate { get; set; }
    public string DeactivationReason { get; set; }
    public string DeactivatedBy { get; set; }
    
    // 审计信息
    public DateTime CreatedDate { get; set; }
    public string CreatedBy { get; set; }
    public DateTime? ModifiedDate { get; set; }
    public string ModifiedBy { get; set; }
}

// 供应商状态枚举
public enum SupplierStatus
{
    Active = 1,        // 活跃
    Warning = 2,       // 警告
    Restricted = 3,    // 受限
    Deactivated = 4    // 已停用
}

// 供应商停用服务类
public class SupplierDeactivationService
{
    private readonly SupplierManagementContext _context;
    
    public SupplierDeactivationService(SupplierManagementContext context)
    {
        _context = context;
    }
    
    // 停用供应商方法
    public async Task DeactivateSupplierAsync(string supplierCode, 
        string reason, string operatorName)
    {
        var supplier = await _context.Suppliers
            .FirstOrDefaultAsync(s => s.Code == supplierCode);
            
        if (supplier == null)
            return false;
            
        // 执行停用逻辑
        supplier.Status = SupplierStatus.Deactivated;
        supplier.DeactivationDate = DateTime.Now;
        supplier.DeactivationReason = reason;
        supplier.DeactivatedBy = operatorName;
        supplier.ModifiedDate = DateTime.Now;
        supplier.ModifiedBy = operatorName;
        
        // 保存更改
        await _context.SaveChangesAsync();
        
        // 记录审计日志
        await LogDeactivationAsync(supplierCode, reason, operatorName);
        
        return true;
    }
    
    private async Task LogDeactivationAsync(string supplierCode, 
        string reason, string operatorName)
    {
        var auditLog = new SupplierAuditLog
        {
            SupplierCode = supplierCode,
            Action = "Deactivation",
            Description = $"供应商停用：{reason}",
            Operator = operatorName,
            OperationTime = DateTime.Now
        };
        
        await _context.AuditLogs.AddAsync(auditLog);
        await _context.SaveChangesAsync();
    }
}