/// <summary>
/// 上传答案图片
/// 因为ajaxfileupload限制，这里不能返回json，所以特殊处理返回string
/// </summary>
/// <param name="zyId"></param>
/// <returns></returns>
public string UploadAnswerImage(long zyId)
{
dto_AjaxJsonResult <string> r = new dto_AjaxJsonResult <string>();
int id = IdNamingHelper.Decrypt(IdNamingHelper.IdTypeEnum.Zy, zyId);
dto_Zy zy = B_ZyRedis.GetZy(id);
//试用作业验证
if (zy.UserId == 0)
{
r.code = AjaxResultCodeEnum.Error;
r.message = "试用作业仅用于数据展示，不允许进行操作！<br/>注册成为正式用户后即可体验所有功能！";
r.data = "";
return(JsonConvert.SerializeObject(r));
}
#region 访问权限验证
dto_AjaxJsonResult <dto_Zy> r1 = AccessJudge(UserId, zy);
if (r1.code == AjaxResultCodeEnum.Error)
{
r.code = AjaxResultCodeEnum.Error;
r.message = r1.message;
r.data = "";
return(JsonConvert.SerializeObject(r));
}
#endregion
//作业提交验证
T_Answer ans = B_Answer.GetAnswer(id, UserId);
if (ans != null && ans.Submited)
{
r.code = AjaxResultCodeEnum.Error;
r.message = "作业已提交，不能再上传答案图片！";
r.data = "";
return(JsonConvert.SerializeObject(r));
}
//上传
HttpFileCollection files = System.Web.HttpContext.Current.Request.Files;
r = ZyImgUploader.Upload(files);
bool isok = false;
if (r.code == AjaxResultCodeEnum.Success)
{
//入库
if (ans == null)
{
T_Answer AnsAdd = new T_Answer()
{
ZyId = zy.Id,
ZyType = zy.Type,
StudentId = UserId,
Submited = false,
CreateDate = DateTime.Now,
AnswerJson = "",
AnswerImg = r.data,
Ip = ClientUtil.Ip,
IMEI = ClientUtil.IMEI,
MobileBrand = ClientUtil.MobileBrand,
SystemType = Request.Browser.Platform.ToString(),
Browser = Request.Browser.Browser.ToString()
};
isok = B_Answer.InsertZyAnswer(AnsAdd);
}
else
{
isok = B_Answer.AddZyImg(zy.Id, UserId, r.data);
}
}
if (!isok)
{
r.code = AjaxResultCodeEnum.Error;
r.message = "入库失败！";
r.data = "";
return(JsonConvert.SerializeObject(r));
}
r.data = Util.GetAppSetting("UploadUrlPrefix") + "/" + r.data;
return(JsonConvert.SerializeObject(r));
}
/// <summary>
/// 提交答案
/// 仍然做各种状态判断
/// </summary>
/// <param name="zyId"></param>
/// <param name="questions"></param>
/// <param name="answers"></param>
/// <returns></returns>
public JsonResult SubmitAnswer(long zyId, string questions, string answers)
{
dto_AjaxJsonResult <string> r = new dto_AjaxJsonResult <string>();
int id = IdNamingHelper.Decrypt(IdNamingHelper.IdTypeEnum.Zy, zyId);
dto_Zy zy = B_ZyRedis.GetZy(id);
//试用作业验证
if (zy.UserId == 0)
{
r.code = AjaxResultCodeEnum.Error;
r.message = "试用作业仅用于数据展示，不允许进行操作！<br/>注册成为正式用户后即可体验所有功能！";
r.data = "";
return(Json(r));
}
#region 访问权限验证
dto_AjaxJsonResult <dto_Zy> r1 = AccessJudge(UserId, zy);
if (r1.code == AjaxResultCodeEnum.Error)
{
r.code = AjaxResultCodeEnum.Error;
r.message = r1.message;
r.data = "";
return(Json(r));
}
#endregion
//作业提交验证
T_Answer ans = B_Answer.GetAnswer(id, UserId);
if (ans != null && ans.Submited)
{
r.code = AjaxResultCodeEnum.Error;
r.message = "作业已提交，不能重复提交！";
r.data = "";
return(Json(r));
}
//todo submit
List <string> submitQlist = questions.Split(',').ToList();
List <string> submitAlist = string.IsNullOrEmpty(answers) ? new List <string>() : answers.Split(',').ToList();
if (submitQlist.Count != submitAlist.Count)
{
r.code = AjaxResultCodeEnum.Error;
r.message = "试题信息有误，提交失败！";
r.data = "";
return(Json(r));
}
string qjson = B_ZyRedis.GetQdbZyQuesJson(id);
List <dto_ZyQuestion> ql = JsonConvert.DeserializeObject <List <dto_ZyQuestion> >(qjson);
List <dto_UserAnswer> al = new List <dto_UserAnswer>();
ql.ForEach(a => {
string CAnswer = "";
if (Const.OBJECTIVE_QUES_TYPES.Contains(a.PTypeId))
{
if (a.QId == a.PQId)
{
CAnswer = B_QuesRedis.GetQuestion(zy.CourseId, a.QId).quesanswer;
}
else
{
CAnswer = B_QuesRedis.GetQuestion(zy.CourseId, a.PQId).Children.Find(b => b.id == a.QId).quesanswer;
}
}
int i = submitQlist.IndexOf(IdNamingHelper.Encrypt(IdNamingHelper.IdTypeEnum.Ques, a.QId).ToString());
al.Add(new dto_UserAnswer()
{
QId = a.QId, PTypeId = a.PTypeId, Score = a.Score, Answer = (i == -1 ? "" : submitAlist[i]), CAnswer = CAnswer, Point = 0
});
});
bool isok = false;
T_Answer answer = new T_Answer()
{
ZyId = id,
ZyType = zy.Type,
StudentId = UserId,
Submited = true,
CreateDate = DateTime.Now,
AnswerJson = JsonConvert.SerializeObject(al),
AnswerImg = "",
Ip = ClientUtil.Ip,
IMEI = ClientUtil.IMEI,
MobileBrand = ClientUtil.MobileBrand,
SystemType = Request.Browser.Platform.ToString(),
Browser = Request.Browser.Browser.ToString()
};
if (ans != null)
{
isok = B_Answer.UpdateAnswerJson(id, UserId, answer.AnswerJson);
}
else
{
isok = B_Answer.InsertZyAnswer(answer);
}
if (isok)
{
//写统计表
B_Analyze.GenerateAnalyze(answer);
r.code = AjaxResultCodeEnum.Success;
r.message = "";
r.data = "";
return(Json(r));
}
else
{
r.code = AjaxResultCodeEnum.Error;
r.message = "提交入库失败！";
r.data = "";
return(Json(r));
}
}