/// <summary>
/// 获取用户二维码推广活动二维码图片地址
/// </summary>
/// <param name="webApplicationId">微信关联程序Id</param>
/// <param name="openId">微信用户OpenId</param>
/// <returns></returns>
public string GetQRCodePromotionActivityImageUrl(Guid webApplicationId, string openId)
{
if (this.IValidatorTool.IsEmpty(openId))
{
throw new BaseException("openId不能为空");
}
if (webApplicationId == Guid.Empty)
{
throw new BaseException("weiXinApplicationId不能为空");
}
var weiXinQRCodeAccount = this.FirstOrDefault(
Where.Create()
.Eq("WebApplicationId", webApplicationId)
.Eq("OpenId", openId)
);
if (weiXinQRCodeAccount == null)
{
return(string.Empty);
}
var resultData = string.Empty;
WeiXinQRCodeDto weiXinQRCode = null;
if (weiXinQRCodeAccount.QRCodeId.HasValue)
{
var weiXinQRCodeResult = this.ServiceContext.IWeiXinQRCodeService.FindById(weiXinQRCodeAccount.QRCodeId.Value);
if (weiXinQRCodeResult != null)
{
weiXinQRCode = weiXinQRCodeResult;
}
}
if (weiXinQRCode != null && weiXinQRCode.IsExpire == false)
{
resultData = _WeiXinAPIContext.IQRCodeAPI.GetWeiXinQRCodeImageUrl(weiXinQRCode.Ticket);
}
return(resultData);
}
public string CreateOrGetQRCodePromotionActivityImageUrl(Guid webApplicationId, string openId)
{
if (this.IValidatorTool.IsEmpty(openId))
{
throw new BaseException("openId不能为空");
}
if (webApplicationId == Guid.Empty)
{
throw new BaseException("weiXinApplicationId不能为空");
}
var weiXinQRCodeAccount = this.CreateOrGetAccount(webApplicationId, openId);
var resultData = this.GetQRCodePromotionActivityImageUrl(webApplicationId, openId);
if (!string.IsNullOrEmpty(resultData))
{
return(resultData);
}
WeiXinQRCodeDto weiXinQRCode = null;
if (weiXinQRCodeAccount.QRCodeId.HasValue)
{
var weiXinQRCodeResult = this.ServiceContext.IWeiXinQRCodeService.FindById(weiXinQRCodeAccount.QRCodeId.Value);
if (weiXinQRCodeResult != null)
{
weiXinQRCode = weiXinQRCodeResult;
}
}
var accessToken = this.ServiceContext.ICWXWeiXinApplicationService.GetAccessToken(webApplicationId);
var config = this.ServiceContext.IWeiXinQRCodePromotionActivityConfigService.CreateOrGet(webApplicationId);
if (config == null)
{
throw new BaseException(string.Format("ID({0})微信关联程序配置数据读取失败", webApplicationId));
}
var sceneId = (int)this.ServiceContext.IComMaxIdService.CreateNext(webApplicationId);
var createTemporaryQRCodePostDataDtoResult = _WeiXinAPIContext
.IQRCodeAPI.CreateTemporaryQRCodePostDataDto(accessToken, config.NewTemporaryQRCodeImageExpireInSeconds, sceneId);
var getQRCodeTicketResult = _WeiXinAPIContext.IQRCodeAPI.GetQRCodeTicket(accessToken, createTemporaryQRCodePostDataDtoResult);
resultData = _WeiXinAPIContext.IQRCodeAPI.GetWeiXinQRCodeImageUrl(getQRCodeTicketResult);
var isNewWeiXinQRCode = false;
if (weiXinQRCode == null)
{
isNewWeiXinQRCode = true;
weiXinQRCode = new WeiXinQRCodeDto()
{
ID = Guid.NewGuid()
};
}
weiXinQRCode.ActionName = config.QRCodeActionName;
weiXinQRCode.ExpireSeconds = config.IsTemporary ? config.NewTemporaryQRCodeImageExpireInSeconds : -1;
weiXinQRCode.Ticket = getQRCodeTicketResult.ticket;
weiXinQRCode.ID = Guid.NewGuid();
weiXinQRCode.CreatedDate = DateTime.Now;
weiXinQRCode.QRCodeUrl = getQRCodeTicketResult.url;
weiXinQRCode.SceneId = sceneId;
weiXinQRCode.SceneStr = null;
weiXinQRCode.WebApplicationId = webApplicationId;
this.ServiceContext.IWeiXinQRCodeService.InsertOrUpdate(weiXinQRCode);
weiXinQRCodeAccount.QRCodeId = weiXinQRCode.ID;
if (isNewWeiXinQRCode)
{
this.Update(weiXinQRCodeAccount);
}
return(resultData);
}
