/// <summary>
/// 预览消息
/// <para>toWxName和toOpenId同时赋值时，以toWxName优先</para>
/// </summary>
/// <param name="message">消息实体</param>
/// <param name="toOpenId">接收消息用户对应该公众号的openid，也可以使用toWxName，以实现对微信号的预览</param>
/// <param name="toWxName">接收消息用户的微信号</param>
/// <returns></returns>
public static PushMessageReturnValue PreviewMessage(PushMessage.Base message, string toOpenId, string toWxName)
{
string json = PushMessageBuilder.BuildPreviewJson(message, toOpenId, toWxName);
string url = ServiceUrl.PreviewMessage + "?access_token=" + AccessToken.Value;
return(HttpHelper.Post <PushMessageReturnValue>(url, json));
}
/// <summary>
/// 根据OpenID列表群发【订阅号不可用，服务号认证后可用】
/// </summary>
/// <param name="message">消息实体</param>
/// <param name="openIdList">填写图文消息的接收者，一串OpenID列表，OpenID最少2个，最多10000个</param>
/// <returns></returns>
public static PushMessageReturnValue PushMessageByOpenID(PushMessage.Base message, List <string> openIdList)
{
string json = PushMessageBuilder.BuildPushJsonByOpenID(message, openIdList);
string url = ServiceUrl.PushMessageByOpenID + "?access_token=" + AccessToken.Value;
return(HttpHelper.Post <PushMessageReturnValue>(url, json));
}
//private static Client Create()
//{
// Client client = new Client();
// client.WebClient.Encoding = Encoding.UTF8;
// client.WebClient.CachePolicy = new System.Net.Cache.RequestCachePolicy(System.Net.Cache.RequestCacheLevel.NoCacheNoStore);
// return client;
//}
#endregion
/// <summary>
/// 根据分组进行群发【订阅号与服务号认证后均可用】
/// </summary>
/// <param name="message">消息实体</param>
/// <param name="groupId">群发到的分组的group_id，参加用户管理中用户分组接口，若is_to_all值为true，可不填写group_id</param>
/// <param name="isToAll">用于设定是否向全部用户发送，值为true或false，选择true该消息群发给所有用户，选择false可根据group_id发送给指定群组的用户</param>
/// <returns></returns>
public static PushMessageReturnValue PushMessageByGroupID(PushMessage.Base message, string groupId, bool isToAll)
{
string json = PushMessageBuilder.BuildPushJsonByGroupID(message, groupId, isToAll);
string url = ServiceUrl.PushMessageByGroupID + "?access_token=" + AccessToken.Value;
return(HttpHelper.Post <PushMessageReturnValue>(url, json));
}
/// <summary>
/// 构建根据OpenID群发消息的Json内容
/// </summary>
/// <param name="message"></param>
/// <param name="openIdList"></param>
/// <returns></returns>
public static string BuildPushJsonByOpenID(PushMessage.Base message, List <string> openIdList)
{
Dictionary <string, object> dic = new Dictionary <string, object>();
dic.Add("touser", openIdList);
dic.Add(message.MsgType, message.GetData());
dic.Add("msgtype", message.MsgType);
return(JsonConvert.SerializeObject(dic));
}
/// <summary>
/// 构建根据群组ID群发消息的Json内容
/// </summary>
/// <param name="message"></param>
/// <param name="groupId"></param>
/// <param name="isToAll"></param>
/// <returns></returns>
public static string BuildPushJsonByGroupID(PushMessage.Base message, string groupId, bool isToAll)
{
Dictionary <string, object> dic = new Dictionary <string, object>();
dic.Add("filter", new { is_to_all = isToAll, group_id = groupId });
dic.Add(message.MsgType, message.GetData());
dic.Add("msgtype", message.MsgType);
return(JsonConvert.SerializeObject(dic));
}
/// <summary>
/// 构建预览消息的Json内容
/// </summary>
/// <param name="message"></param>
/// <param name="toOpenId">接收消息用户对应该公众号的openid，也可以使用toWxName，以实现对微信号的预览</param>
/// <param name="toWxName">接收消息用户的微信号</param>
/// <returns></returns>
public static string BuildPreviewJson(PushMessage.Base message, string toOpenId, string toWxName)
{
Dictionary <string, object> dic = new Dictionary <string, object>();
if (!string.IsNullOrWhiteSpace(toWxName))
{
dic.Add("towxname", toWxName);
}
string msgType = message.MsgType == "video" ? "mpvideo" : message.MsgType;
dic.Add("touser", toOpenId);
dic.Add(msgType, message.GetData());
dic.Add("msgtype", msgType);
return(JsonConvert.SerializeObject(dic));
}
