public async Task SendNewOrderMsgAsync(Order order)
{
var business = await GetAsync <Business>(order.BusinessId.Value);
if (string.IsNullOrEmpty(business.NewOrderTemplateId))
{
return;
}
var msg = new WxEventMessage
{
template_id = business.NewOrderTemplateId
};
var productName = string.Empty;
foreach (var item in order.Products)
{
productName += item.Name + " *" + (double)item.Quantity + "、";
}
productName = productName.Remove(productName.Length - 1);
var keyword5 = (order.Status == OrderStatus.Distribution || order.Status == OrderStatus.DistributorReceipt) ? "待配送" : "已付款";
msg.data = new
{
first = new { value = $"流水号： #{order.Identifier} ￥{order.Price}" },
keyword1 = new { value = productName },
keyword2 = new { value = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") },
keyword3 = new { value = order.ReceiverAddress },
keyword4 = new { value = " " + order.GetUserCall() + " " + order.Phone },
keyword5 = new { value = keyword5, color = "#ff0000" },
remark = new { value = order.Remark }
};
var users = await Context.WxListenUsers.Where(a => a.BusinessId == order.BusinessId.Value).ToListAsync();
if (users == null || users.Count == 0)
{
return;
}
var token = await GetTokenAsync(business.WeChatAppId, business.WeChatSecret);
foreach (var item in users)
{
msg.touser = item.openid;
var result = await WxHelper.SendEventMessageAsync(msg, token);
var ret = JsonConvert.DeserializeObject <WxMessageReturn>(result);
if (ret.errcode != 0)
{
Log.Info($"公众号模版通知消息失败：[消息_{JsonConvert.SerializeObject(msg)}，结果_{result}]");
await WechatHandlerErrorAsync(ret, msg);
}
}
}
/// <summary>
/// 公众号消息发送错误处理
/// </summary>
/// <param name="ret"></param>
/// <param name="msg"></param>
/// <returns></returns>
private async Task WechatHandlerErrorAsync(WxMessageReturn ret, WxEventMessage msg)
{
if (ret.errcode == 43004)
{
// 用户已取消关注，则删除该用户
var openId = msg.touser;
var users = await Context.WxListenUsers.Where(a => a.openid == openId).ToListAsync();
if (users.Count > 0)
{
Context.RemoveRange(users);
await Context.SaveChangesAsync();
}
}
}
/// <summary>
/// 发送订单通知
/// </summary>
public static async Task <string> SendEventMessageAsync(WxEventMessage msg)
{
var token = await GetTokenAsync(WeChatAppId, WeChatSecret);
var url = $"https://api.weixin.qq.com/cgi-bin/message/template/send?access_token={token}";
using (var client = new HttpClient())
{
var p = new StringContent(JsonConvert.SerializeObject(msg));
p.Headers.ContentType = new MediaTypeHeaderValue("application/json");
var result = await client.PostAsync(url, p);
var content = await result.Content.ReadAsStringAsync();
return(content);
}
}
public async Task SendRefundMsgAsync(Order order)
{
var business = await GetAsync <Business>(order.BusinessId.Value);
if (string.IsNullOrEmpty(business.RefundTemplateId))
{
return;
}
List <WxListenUser> users = await Context.WxListenUsers.Where(a => a.BusinessId == business.ID).ToListAsync();
if (users == null || users.Count == 0)
{
return;
}
var msg = new WxEventMessage
{
template_id = business.RefundTemplateId,
data = new
{
first = new { value = $"退款订单编号-{order.OrderCode}" },
keyword1 = new { value = "￥" + order.Price.Value, color = "#ff0000" },
keyword2 = new { value = order.RefundReason, color = "#ff0000" },
keyword3 = new { value = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") },
keyword4 = new { value = "线上" },
keyword5 = new { value = $"{order.ReceiverName} - {order.Phone}" },
remark = new { value = "请尽快进入简单猫后台，订单管理 -> 实时订单 页处理。" }
}
};
var token = await GetTokenAsync(business.WeChatAppId, business.WeChatSecret);
foreach (var item in users)
{
msg.touser = item.openid;
var result = await WxHelper.SendEventMessageAsync(msg, token);
var ret = JsonConvert.DeserializeObject <WxMessageReturn>(result);
if (ret.errcode != 0)
{
Log.Info($"退款模版通知消息失败：[消息_{JsonConvert.SerializeObject(msg)}，结果_{result}]");
}
}
}
/// <summary>
/// 发送订单通知
/// </summary>
/// <param name="msg">消息内容</param>
/// <param name="token">公众号访问token</param>
/// <returns></returns>
public static async Task <string> SendEventMessageAsync(WxEventMessage msg, string token)
{
var url = $"https://api.weixin.qq.com/cgi-bin/message/template/send?access_token={token}";
return(await RequestAsync(url, msg));
}