public static object GetExt(this Base_Article article, Base_CatalogExt catExt)
{
if (catExt == null)
{
return(null);
}
var artExt = article.Exts.FirstOrDefault(ext => ext.CatlogExtId == catExt.Id);
if (artExt == null)
{
return(null);
}
switch ((ExtDataType)catExt.DataType)
{
case ExtDataType.Currency:
return(CommOp.ToDecimalNull(artExt.Value));
case ExtDataType.DateAndTime:
case ExtDataType.Date:
return(CommOp.ToDateTimeNull(artExt.Value));
case ExtDataType.SingleNumber:
return(CommOp.ToIntNull(artExt.Value));
case ExtDataType.Bool:
return(CommOp.ToBool(artExt.Value));
default:
return(artExt.Value);
}
}
/// <summary>
/// 获取文章的某个标签值，返回根据该文章的标签属性定义的数据类型
/// </summary>
/// <param name="article"></param>
/// <param name="name"></param>
/// <returns></returns>
public object GetExt(Base_CatalogArticle article, string name)
{
Base_CatalogExt catExt = null;
if (article != null)
{
catExt = SiteManager.Catalog.GetAllExts(article.CatalogId)
.FirstOrDefault(ext => ext.Name.Equals(name, StringComparison.OrdinalIgnoreCase));
}
if (catExt == null)
{
return(null);
}
var artExt = article.Article.Exts.FirstOrDefault(ext => ext.CatlogExtId == catExt.Id);
if (artExt == null)
{
return(null);
}
switch ((ExtDataType)catExt.DataType)
{
case ExtDataType.Currency:
return(CommOp.ToDecimalNull(artExt.Value));
case ExtDataType.DateAndTime:
case ExtDataType.Date:
return(CommOp.ToDateTimeNull(artExt.Value));
case ExtDataType.SingleNumber:
return(CommOp.ToLongNull(artExt.Value));
case ExtDataType.Bool:
return(CommOp.ToBool(artExt.Value));
default:
return(artExt.Value);
}
}
/// <summary>
/// 设置文章的某个标签值
/// </summary>
/// <param name="article"></param>
/// <param name="name"></param>
/// <param name="value"></param>
/// <returns></returns>
public void SetExt(Base_CatalogArticle article, string name, object value)
{
var catExt = SiteManager.Catalog.GetAllExts(article.CatalogId)
.FirstOrDefault(ext => ext.Name.Equals(name, StringComparison.OrdinalIgnoreCase));
if (catExt == null)
{
return;
}
var artExt = article.Article.Exts.First(ext => ext.CatlogExtId == catExt.Id);
if (artExt == null)
{
return;
}
switch ((ExtDataType)catExt.DataType)
{
case ExtDataType.Currency:
value = CommOp.ToDecimalNull(value);
break;
case ExtDataType.DateAndTime:
case ExtDataType.Date:
value = CommOp.ToDateTimeNull(artExt.Value);
break;
case ExtDataType.SingleNumber:
value = CommOp.ToLongNull(value);
break;
case ExtDataType.Bool:
value = CommOp.ToBool(value);
break;
}
artExt.Value = value.ToString();
}
public static object SetExt(this Base_Article article, Base_CatalogExt catExt, object value)
{
if (catExt == null)
{
return(null);
}
var artExt = article.Exts.FirstOrDefault(ext => ext.CatlogExtId == catExt.Id);
if (artExt == null)
{
artExt = new Base_ArticleExt
{
CatlogExtId = catExt.Id,
};
article.Exts.Add(artExt);
}
;
string strValue = null;
switch ((ExtDataType)catExt.DataType)
{
case ExtDataType.Currency:
Decimal?dec = CommOp.ToDecimalNull(value);
if (dec != null)
{
strValue = dec.Value.ToString();
}
break;
case ExtDataType.FloatNumber:
double?flt = CommOp.ToDoubleNull(value);
if (flt != null)
{
strValue = flt.Value.ToString();
}
break;
case ExtDataType.DateAndTime:
case ExtDataType.Date:
DateTime?dt = CommOp.ToDateTimeNull(value);
if (dt != null)
{
strValue = dt.Value.ToString("yyyy-MM-dd HH:mm:ss");
}
break;
case ExtDataType.SingleNumber:
long?lng = CommOp.ToLongNull(value);
if (lng != null)
{
strValue = lng.Value.ToString();
}
break;
case ExtDataType.Bool:
value = CommOp.ToBool(value);
strValue = value.ToString();
break;
default:
strValue = CommOp.ToStr(value);
if (strValue.IsEmpty())
{
strValue = null;
}
break;
}
artExt.Value = strValue;
return(value);
}
