void CollectEntity(MooDB db, int oldID, int newID)
{
revisionOld = (from r in db.HomepageRevisions
where r.ID == oldID
select r).Single<HomepageRevision>();
revisionNew = (from r in db.HomepageRevisions
where r.ID == newID
select r).Single<HomepageRevision>();
if (revisionOld.ID > revisionNew.ID)
{
HomepageRevision tmp = revisionNew;
revisionNew = revisionOld;
revisionOld = tmp;
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (!Permission.Check("homepage.read", true)) return;
if (!Page.IsPostBack)
{
using (MooDB db = new MooDB())
{
if (Request["revision"] != null)
{
int revisionID = int.Parse(Request["revision"]);
revision = (from r in db.HomepageRevisions
where r.ID == revisionID
select r).SingleOrDefault<HomepageRevision>();
HomepageRevision latestRevision = (from r in db.HomepageRevisions
orderby r.ID descending
select r).First<HomepageRevision>();
isLatest = revision.ID == latestRevision.ID;
}
else
{
revision = (from r in db.HomepageRevisions
orderby r.ID descending
select r).First<HomepageRevision>();
isLatest = true;
}
if (revision == null)
{
PageUtil.Redirect(Resources.Moo.FoundNothing, "~/");
return;
}
if (!isLatest)
{
if (!Permission.Check("homepage.history.read", false)) return;
}
Page.DataBind();
}
}
}
protected void btnSubmit_Click(object sender, EventArgs e)
{
if (!Page.IsValid) return;
if (!Permission.Check("homepage.update", false)) return;
using (MooDB db = new MooDB())
{
User currentUser = ((SiteUser)User.Identity).GetDBUser(db);
HomepageRevision revision=new HomepageRevision()
{
Title = txtTitle.Text,
Content = txtContent.Text,
Reason = txtReason.Text,
CreatedBy = currentUser
};
db.HomepageRevisions.AddObject(revision);
db.SaveChanges();
Logger.Info(db, "更新主页，新版本为#" + revision.ID);
}
PageUtil.Redirect("更新成功", "~/");
}
/// <summary>
/// 用于向 HomepageRevisions EntitySet 添加新对象的方法，已弃用。请考虑改用关联的 ObjectSet<T> 属性的 .Add 方法。
/// </summary>
public void AddToHomepageRevisions(HomepageRevision homepageRevision)
{
base.AddObject("HomepageRevisions", homepageRevision);
}
/// <summary>
/// 创建新的 HomepageRevision 对象。
/// </summary>
/// <param name="id">ID 属性的初始值。</param>
/// <param name="title">Title 属性的初始值。</param>
/// <param name="content">Content 属性的初始值。</param>
/// <param name="reason">Reason 属性的初始值。</param>
public static HomepageRevision CreateHomepageRevision(global::System.Int32 id, global::System.String title, global::System.String content, global::System.String reason)
{
HomepageRevision homepageRevision = new HomepageRevision();
homepageRevision.ID = id;
homepageRevision.Title = title;
homepageRevision.Content = content;
homepageRevision.Reason = reason;
return homepageRevision;
}