/// <summary>
/// 递增发件量
/// </summary>
/// <returns>true:可以继续发件；false:发件已达到最大数量</returns>
public bool IncreaseSentCount(LiteDBManager liteDb, Setting globalSetting)
{
// 判断日期是否是今天，如果不是，则将当天发件数置 0
string date = DateTime.Now.ToString("yyyy-MM-dd");
if (date != settings.recordDate)
{
settings.recordDate = date;
settings.sentCountToday = 0;
}
settings.sentCountToday++;
settings.sendCountTotal++;
// 保存到数据库
liteDb.Update(this);
int maxEmails = settings.maxEmailsPerDay > 0 ? settings.maxEmailsPerDay : globalSetting.maxEmailsPerDay;
if (maxEmails < 1)
{
return(true);
}
return(settings.sendCountTotal <= maxEmails);
}
/// <summary>
/// 将发送内容转成图片
/// </summary>
/// <param name="sendItem"></param>
private async Task <bool> ConvertToImage(Setting setting, SendItem sendItem)
{
if (sendItem.sendItemType == SendItemType.dataUrl && setting.sendWithImageAndHtml && string.IsNullOrEmpty(sendItem.dataUrl))
{
// 从前端转存图片
ReceivedMessage message = await SendCallback.Insance.SendAsync(_userId, new Protocol.Response()
{
eventName = "sendingInfo",
command = "html2image",
result = sendItem,
});
if (message == null)
{
return(false);
}
// 将结果添加到sendItem中
var dataUrl = message.JObject.SelectToken("result");
if (dataUrl == null)
{
return(false);
}
dataUrl = dataUrl.Value <string>();
sendItem.dataUrl = $"<img src=\"{dataUrl}\">";
// 更新保存的数据
_liteDb.Update(sendItem);
}
return(true);
}
/// <summary>
/// 开始发送未发送成功的数据
/// </summary>
/// <param name="sendItemIds">传入需要重新发送的id</param>
/// <returns></returns>
public bool StartSending()
{
// 判断是否结束
if (!SendStatus.HasFlag(SendStatus.SendFinish))
{
return(false);
}
var allSendItems = _liteDb.Fetch <SendItem>(item => item.historyId == _currentHistoryGroupId);
var sendItems = allSendItems.FindAll(item => !item.isSent);
// 判断数量
if (sendItems.Count < 1)
{
// 发送完成的进度条
SendingProgressInfo = new SendingProgressInfo()
{
total = 1,
index = 1,
};
return(true);
}
else
{
// 更改进度
SendingProgressInfo = new SendingProgressInfo()
{
total = sendItems.Count,
index = 0,
};
}
// 判断是发送还是重发
if (allSendItems.Count == sendItems.Count)
{
SendStatus = SendStatus.Sending;
}
else
{
SendStatus = SendStatus.Resending;
}
// 更改数据库中的状态
var history = _liteDb.SingleById <HistoryGroup>(_currentHistoryGroupId);
if (history == null)
{
return(false);
}
history.sendStatus = SendStatus;
_liteDb.Update(history);
// 判断需要发送的数量
if (allSendItems.Count < 1)
{
history.sendStatus = SendStatus.SendFinish;
_liteDb.Update(history);
// 获取重发完成的信息
var sendingInfo = new SendingProgressInfo()
{
historyId = _currentHistoryGroupId,
index = 1,
total = 1,
};
SendingProgressInfo = sendingInfo;
return(false);
}
// 处理每条邮件
PreHandleSendItems(sendItems);
// 开始发件
SendItems(sendItems);
return(true);
}