/// <summary>
/// <para>发送之前必须调用该方法，构造发送标题、内容，读取接收者列表等操作</para>
/// <para>使用Title, Content, Receivers属性就可以获得发送需要的完整信息</para>
/// </summary>
/// <param name="session"></param>
/// <returns>待发送数量</returns>
public int ReadyToSend()
{
this._title = "";
this._content = "";
//接收者
IList <NotificationSubscriber> subscribers = NotificationSubscriber.GetList(this._session, this.CatID);
foreach (NotificationSubscriber subscriber in subscribers)
{
NotificationReceiver receiver = NotificationReceiver.Retrieve(this._session, this.NotifyID, subscriber.UserID);
if (receiver == null)
{
//当前订阅者是否已经添加到接收者列表中了？
receiver = new NotificationReceiver(this.NotifyID, subscriber.UserID, subscriber.UserName, subscriber.PostCode);
receiver.Create(this._session);
}
}
//获取接收者列表
this._receiver = NotificationReceiver.ToSendList(this._session, this.NotifyID);
if (this._receiver.Count <= 0)
{
return(0);
}
//参数
this._param = new Dictionary <string, object>();
IList <NotificationParam> paramList = this._session.CreateEntityQuery <NotificationParam>()
.Where(Exp.Eq("NotifyID", this.NotifyID) & Exp.Eq("ParentID", 0))
.List <NotificationParam>();
foreach (NotificationParam p in paramList)
{
this._param.Add(p.ParamName, this.BuildParam(p));
}
NotificationCategory category = Notification.GetCategory(this._session, this.CatID);
//消息标题（对于邮件消息）
if (category.Type == NotificationType.Mail && !string.IsNullOrEmpty(category.TitleTemplate) && category.TitleTemplate.Trim().Length > 0)
{
StringTemplate st = new StringTemplate(category.TitleTemplate);
SetAttribute(st, this._param);
this._title = st.ToString();
}
//消息内容
if (!System.IO.File.Exists(category.TemplateFile))
{
log.ErrorFormat("category {0}: template file {1} not exists", category.CatID, category.TemplateFile);
return(this._receiver.Count);
}
string templateContent = null;
using (System.IO.StreamReader reader = new System.IO.StreamReader(category.TemplateFile, System.Text.Encoding.UTF8))
{
templateContent = reader.ReadToEnd();
}
if (string.IsNullOrEmpty(templateContent) || templateContent.Length <= 0)
{
return(this._receiver.Count);
}
StringTemplate stContent = new StringTemplate(templateContent);
SetAttribute(stContent, this._param);
this._content = stContent.ToString();
return(this._receiver.Count);
}