Base_Article Clone(Base_Article article)
{
Base_Article newArt = new Base_Article
{
Abstract = article.Abstract,
Author = article.Author,
Exts = article.Exts.Select(ext => Clone(ext)).ToList(),
Clicks = article.Clicks,
CreateTime = article.CreateTime,
EditorId = article.EditorId,
EditTime = article.EditTime,
Id = article.Id,
Keywords = article.Keywords,
State = article.State,
Targets = article.Targets.Select(tar => Clone(tar)).ToList(),
Title = article.Title,
UrlTitle = article.UrlTitle
};
if (article.ArticleText != null)
{
newArt.ArticleText = new Base_ArticleText
{
Id = article.ArticleText.Id,
Text = article.ArticleText.Text,
};
}
return(newArt);
}
/// <summary>
/// 根据栏目ID新建一篇文章，并建立和栏目对应的文章标签
/// </summary>
/// <param name="catId">栏目ID</param>
/// <returns>新文章对象</returns>e
public Base_CatalogArticle CreateByCatalog(int catId)
{
Base_Article art = new Base_Article()
{
CreateTime = DateTime.Now,
EditTime = DateTime.Now,
};
Base_CatalogArticle ca = new Base_CatalogArticle
{
CatalogId = catId,
Article = art
};
//保持文件的扩展属性和文件夹的保持一致
foreach (Base_CatalogExt ext in SiteManager.Catalog.GetAllExts(catId))
{
art.Exts.Add(new Base_ArticleExt
{
Article = art,
CatlogExtId = ext.Id,
Value = ext.DefaultValue
});
}
return(ca);
}
/// <summary>
/// 判断某文章的UrlTitle（对Url友好的标题）是否在本栏目内是重复的
/// </summary>
/// <param name="catId"></param>
/// <param name="article"></param>
/// <returns></returns>
public bool IsUrlTitleExists(int catId, Base_Article article)
{
var urlTitles = article.Id == 0 ? GetAllInCatalog(catId).Where(art => !string.IsNullOrEmpty(art.Article.UrlTitle)).Select(art => art.Article.UrlTitle)
: GetAllInCatalog(catId).Where(art => (!string.IsNullOrEmpty(art.Article.UrlTitle) && (art.Id != article.Id))).Select(art => art.Article.UrlTitle);
return(urlTitles.Contains(article.UrlTitle));
}
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>
/// 获取某文章所属的静态栏目，它决定了文章的类型,它可能是某个文章栏目的上级栏目
/// </summary>
/// <param name="art"></param>
/// <returns></returns>
public Base_Catalog GetStaticCatalog(Base_Article art)
{
using (var article = SiteManager.Get <ArticleManager>())
{
var catIds = article.GetQuery().Where(ca => ca.ArticleId == art.Id)
.Select(ca => ca.CatalogId);
foreach (var catId in catIds)
{
var cat = GetStaticParent(catId);
if (cat != null)
{
return(cat);
}
}
}
return(null);
}
public static object GetExt(this Base_Article article, int catExtId)
{
var catExt = SiteManager.Catalog.GetExtById(catExtId);
return(GetExt(article, catExt));
}
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);
}
public static object SetExt(this Base_Article article, int catExtId, object value)
{
var catExt = SiteManager.Catalog.GetExtById(catExtId);
return(SetExt(article, catExt, value));
}