/// <summary>
/// 返回状态结果
/// </summary>
/// <param name="status"></param>
/// <param name="sc"></param>
/// <param name="ex">如果报错，记录错误信息</param>
/// <returns></returns>
private string getBackJson(int status, Song.Entities.Student_Course sc, Exception ex)
{
string json = "{";
json += "'status':'" + status + "',";
json += "'couid':'" + couid + "',";
//当前学员的剩余钱数
Song.Entities.Accounts st = Extend.LoginState.Accounts.CurrentUser;
json += "'money':'" + (st != null ? st.Ac_Money : -1) + "',";
//返回不为空
if (sc != null)
{
json += "'startTime':'" + WeiSha.Common.Server.getTime(sc.Stc_StartTime) + "',";
json += "'endTime':'" + WeiSha.Common.Server.getTime(sc.Stc_EndTime) + "',";
}
if (ex != null)
{
//写入错误日志，并返回所在路径
string path = WeiSha.Common.Log.Error("Course", ex);
json += "'logfile':'" + path + "',";
json += "'errinfo':'" + ex.Message + "',";
}
json += "'return_url':'" + return_url + "'";
return(json + "}");
}
/// <summary>
/// 试用课程
/// </summary>
private void Try(Song.Entities.Course course, Song.Entities.Accounts st)
{
//如果不可以试用
if (!course.Cou_IsFree && !course.Cou_IsTry)
{
//当课程不可以试用，直接退出
Context.Response.Write(getBackJson(7, null, null));
return;
}
else
{
try
{
Song.Entities.Student_Course sc = Business.Do <ICourse>().Tryout(st.Ac_ID, couid);
Extend.LoginState.Accounts.Course(course);
Context.Response.Write(getBackJson(0, sc, null));
return;
}
catch (Exception ex)
{
Context.Response.Write(getBackJson(6, null, ex));
return;
}
}
}
/// <summary>
/// 免费购买
/// </summary>
/// <param name="course"></param>
/// <param name="st"></param>
private void FreeBuy(Song.Entities.Course course, Song.Entities.Accounts st)
{
//如果不是免费课程
if (!course.Cou_IsFree)
{
//当课程不是免费的，直接退出
Context.Response.Write(getBackJson(7, null, null));
return;
}
else
{
try
{
//生成学员与课程的关联
Song.Entities.Student_Course sc = Business.Do <ICourse>().FreeStudy(st.Ac_ID, couid);
Extend.LoginState.Accounts.Course(course);
Context.Response.Write(getBackJson(0, sc, null));
return;
}
catch (Exception ex)
{
Context.Response.Write(getBackJson(6, null, ex));
return;
}
}
}
/// <summary>
/// 返回状态结果
/// </summary>
/// <param name="status"></param>
/// <param name="sc"></param>
/// <returns></returns>
private string getBackJson(int status, Song.Entities.Student_Course sc)
{
string json = "{";
json += "'status':'" + status + "',";
json += "'couid':'" + couid + "',";
//当前学员的剩余钱数
Song.Entities.Accounts st = Extend.LoginState.Accounts.CurrentUser;
json += "'money':'" + (st != null ? st.Ac_Money : -1) + "',";
if (sc != null)
{
json += "'startTime':'" + new WeiSha.Common.Param.Method.ConvertToAnyValue(sc.Stc_StartTime.ToString()).JavascriptTime + "',";
json += "'endTime':'" + new WeiSha.Common.Param.Method.ConvertToAnyValue(sc.Stc_EndTime.ToString()).JavascriptTime + "',";
}
json += "'return_url':'" + return_url + "'";
return(json + "}");
}
/// <summary>
/// 购买
/// </summary>
/// <param name="course"></param>
/// <param name="st"></param>
private void Buy(Song.Entities.Course course, Song.Entities.Accounts st)
{
//取图片验证码
string imgCode = WeiSha.Common.Request.Cookies["buycode"].ParaValue;
//验证码不正确
if (veriCode != imgCode)
{
Context.Response.Write(getBackJson(2, null, null));
return;
}
//价格项
Song.Entities.CoursePrice price = Business.Do <ICourse>().PriceSingle(cpid);
if (price == null)
{
Context.Response.Write(getBackJson(3, null, null));
return;
}
//余额是否充足
decimal money = st.Ac_Money; //资金余额
int coupon = st.Ac_Coupon; //卡券余额
int mprice = price.CP_Price; //价格，所需现金
int cprice = price.CP_Coupon; //价格，可以用来抵扣的卡券
bool tm = money >= mprice || (money >= (mprice - cprice) && (coupon >= cprice));
if (!tm)
{
Context.Response.Write(getBackJson(5, null, null));
return;
}
//WeiSha.Common.Log.Write
//开始实现购买
try
{
Song.Entities.Student_Course sc = Business.Do <ICourse>().Buy(st.Ac_ID, couid, price);
Extend.LoginState.Accounts.Course(course);
Context.Response.Write(getBackJson(0, sc, null));
return;
}
catch (Exception ex)
{
Context.Response.Write(getBackJson(6, null, ex));
return;
}
}
/// <summary>
/// 生成json
/// </summary>
protected string _toJosn(List <Song.Entities.Course> courses, string action, int stid)
{
string tm = "{\"sum\":" + courses.Count + ",\"action\":\"" + action + "\",\"object\":[";
for (int i = 0; i < courses.Count; i++)
{
Song.Entities.Course c = courses[i];
c.Cou_LogoSmall = Upload.Get["Course"].Virtual + c.Cou_LogoSmall;
c.Cou_Logo = Upload.Get["Course"].Virtual + c.Cou_Logo;
//是否免费，或是限时免费
if (c.Cou_IsLimitFree)
{
DateTime freeEnd = c.Cou_FreeEnd.AddDays(1).Date;
if (!(c.Cou_FreeStart <= DateTime.Now && freeEnd >= DateTime.Now))
{
c.Cou_IsLimitFree = false;
}
}
c.Cou_Intro = c.Cou_Target = c.Cou_Content = "";
c.Cou_Name = c.Cou_Name.Replace("\"", """);
//增加输出项
Dictionary <string, object> addParas = new Dictionary <string, object>();
addParas.Add("olcount", Business.Do <IOutline>().OutlineOfCount(c.Cou_ID, -1, true)); //当前课程里的章节数
addParas.Add("quscount", Business.Do <IQuestions>().QuesOfCount(c.Org_ID, c.Sbj_ID, c.Cou_ID, -1, 0, true)); //当前课程的试题
//获取课程的购买信息
Song.Entities.Student_Course sc = Business.Do <ICourse>().StudyCourse(stid, c.Cou_ID);
if (sc != null)
{
addParas.Add("starttime", sc.Stc_StartTime);
addParas.Add("endtime", sc.Stc_EndTime);
}
tm += "" + c.ToJson(null, null, addParas);
if (i < courses.Count - 1)
{
tm += ",";
}
}
tm += "]}";
return(tm);
}
/// <summary>
/// 免费购买
/// </summary>
/// <param name="course"></param>
/// <param name="st"></param>
private void FreeBuy(Song.Entities.Course course, Song.Entities.Accounts st)
{
//如果不是免费课程
if (!course.Cou_IsFree)
{
//当课程不是免费的，直接退出
Context.Response.Write(getBackJson(7, null, null));
return;
}
else
{
//生成学员与课程的关联
Song.Entities.Student_Course sc = Business.Do <ICourse>().StudyCourse(st.Ac_ID, couid);
if (sc == null)
{
sc = new Entities.Student_Course();
}
sc.Cou_ID = couid;
sc.Ac_ID = st.Ac_ID;
sc.Stc_StartTime = DateTime.Now;
sc.Stc_EndTime = DateTime.Now.AddYears(101);
sc.Stc_IsFree = true;
sc.Stc_IsTry = false;
try
{
Business.Do <ICourse>().Buy(sc);
Extend.LoginState.Accounts.Course(course);
Context.Response.Write(getBackJson(0, sc, null));
return;
}
catch (Exception ex)
{
Context.Response.Write(getBackJson(6, null, ex));
return;
}
}
}