/// <summary>
/// 保存品牌
/// </summary>
/// <returns></returns>
public async Task <ReturnResult> SaveAsync(BrandParameter parameter)
{
var result = new ReturnResult();
var brand = Mapper.Map <Brand>(parameter);
//验证品牌名是否为空
brand.Name = brand.Name?.Trim();
if (string.IsNullOrEmpty(brand.Name))
{
result.IsSuccess = false;
result.Message = "品牌名称不能为空";
return(result);
}
//新增品牌
if (brand.Id <= 0)
{
//验证品牌名是否重复
var tmpBrand = await context.Brands.FirstOrDefaultAsync(c => c.Name == brand.Name && c.IsDel == false);
if (tmpBrand != null)
{
result.IsSuccess = false;
result.Message = "品牌名称不能重复";
return(result);
}
//设置时间
if (brand.CreateTime == DateTime.MinValue)
{
brand.CreateTime = DateTime.Now;
}
//创建品牌
await context.Brands.AddAsync(brand);
await context.SaveChangesAsync();
result.Id = brand.Id;
}
//编辑品牌
else
{
//验证品牌是否存在
var oldBrand = await context.Brands.FirstOrDefaultAsync(c => c.Id == brand.Id);
if (oldBrand == null || oldBrand.IsDel)
{
result.IsSuccess = false;
result.Message = "该品牌已被删除";
return(result);
}
//验证品牌名是否重复
var tmpBrand = await context.Brands.FirstOrDefaultAsync(c => c.Name == brand.Name && !c.IsDel);
if (tmpBrand != null && tmpBrand.Id != tmpBrand.Id)
{
result.IsSuccess = false;
result.Message = "品牌名称不能重复";
return(result);
}
//更新品牌
oldBrand.Name = brand.Name;
await context.SaveChangesAsync();
}
return(result);
}
/// <summary>
/// 保存品牌
/// </summary>
/// <param name="parameter"></param>
/// <returns></returns>
public async Task <IActionResult> Save(BrandParameter parameter)
{
var result = await brandManager.SaveAsync(parameter);
return(Json(result));
}
