public IEnumerable <ItemDTO> GetByCategory(string categName)
{
Category categ = _categoryDal.GetByName(categName);
List <ItemDTO> itemsDTO = new List <ItemDTO>();
foreach (var item in _itemDal.GetByFieldName("categoryid", categ.Id.ToString()))
{
ItemDTO itemDTO = _mapper.Map <Item, ItemDTO>(item);
itemsDTO.Add(itemDTO);
}
return(itemsDTO);
}
public CategoryDTO GetByName(string name)
{
Category categ = _categoryDal.GetByName(name);
CategoryDTO categDTO = _mapper.Map <Category, CategoryDTO>(categ);
return(categDTO);
}
/// <summary>
/// 添加或修改分类信息
/// <br/>
/// 清除分类缓存
/// </summary>
/// <param name="entity"></param>
/// <returns></returns>
public ReturnValue AddOrEdit(Category entity)
{
ReturnValue retValue = new ReturnValue();
if (string.IsNullOrEmpty(entity.Name))
{
retValue.IsExists = false;
retValue.Message = "分类名称";
return retValue;
}
if (string.IsNullOrEmpty(entity.Title))
{
retValue.IsExists = false;
retValue.Message = "分类显示名称";
return retValue;
}
using (CategoryDal dal = new CategoryDal())
{
Category old = dal.Get(entity.CategoryID);
if (old == null)//添加
{
old = dal.GetByName(entity.Name);
if (old != null)
{
retValue.IsExists = false;
retValue.Message = "分类已存在";
return retValue;
}
if (dal.Add(entity))
{
retValue.IsExists = true;
retValue.Message = "分类添加成功";
}
else
{
retValue.IsExists = false;
retValue.Message = "分类添加失败";
}
}
else
{
if (entity.Name != old.Name)
{
old = dal.GetByName(entity.Name);
if (old != null)
{
retValue.IsExists = false;
retValue.Message = "分类已存在";
return retValue;
}
}
if (dal.Modify(entity))
{
retValue.IsExists = true;
retValue.Message = "分类修改成功";
}
else
{
retValue.IsExists = false;
retValue.Message = "分类修改失败";
}
}
}
if (retValue.IsExists)
{
ClearCache();
}
return retValue;
}
/// <summary>
/// 根据分类名字获取分类信息
/// </summary>
/// <param name="categoryName"></param>
/// <returns></returns>
public Category GetName(string categoryName)
{
if (string.IsNullOrEmpty(categoryName))
{
return null;
}
Category entity = this.GetAllCache().Where(x => x.Name == categoryName).SingleOrDefault();
if (entity == null)
{
using (CategoryDal dal = new CategoryDal())
{
entity = dal.GetByName(categoryName);
}
}
return entity;
}