95 lines
3.9 KiB
C#
95 lines
3.9 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Web;
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using WeiSha.Common;
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using Song.ServiceInterfaces;
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using VTemplate.Engine;
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namespace Song.Site.Mobile
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{
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/// <summary>
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/// 课程学习首页
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/// </summary>
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public class CoursePage : BasePage
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{
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//当前课程的id
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private int couid = WeiSha.Common.Request.QueryString["couid"].Int32 ?? 0;
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//是否购买当前课程
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bool isBuy = false;
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protected override void InitPageTemplate(HttpContext context)
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{
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Song.Entities.Course course = Business.Do<ICourse>().CourseSingle(couid);
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if (course == null) return;
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//记录当前学习的课程
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Extend.LoginState.Accounts.Course(course);
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#region 创建与学员的关联
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if (this.Account != null)
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{
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int accid = this.Account.Ac_ID;
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bool istudy = Business.Do<ICourse>().Study(couid,accid);
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}
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#endregion
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//是否免费，或是限时免费
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if (course.Cou_IsLimitFree)
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{
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DateTime freeEnd = course.Cou_FreeEnd.AddDays(1).Date;
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if (!(course.Cou_FreeStart <= DateTime.Now && freeEnd >= DateTime.Now))
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course.Cou_IsLimitFree = false;
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}
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this.Document.SetValue("course", course);
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//课程资源路径
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this.Document.SetValue("coupath", Upload.Get["Course"].Virtual);
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//学习该课程的总人数，包括已经过期的
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int studyCount = Business.Do<ICourse>().CourseStudentSum(course.Cou_ID, null);
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this.Document.Variables.SetValue("studyCount", studyCount);
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//是否学习当前课程
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if (this.Account != null)
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{
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//是否购买
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isBuy = Business.Do<ICourse>().StudyIsCourse(this.Account.Ac_ID, course.Cou_ID);
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//没有购买，但处于限时免费中
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if (!isBuy && course.Cou_IsLimitFree)
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{
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}
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this.Document.Variables.SetValue("isBuy", isBuy);
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//是否可以学习,如果是免费或已经选修便可以学习，否则当前课程允许试用且当前章节是免费的，也可以学习
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bool canStudy = isBuy || course.Cou_IsFree || course.Cou_IsLimitFree || course.Cou_IsTry;
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this.Document.Variables.SetValue("canStudy", canStudy);
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}
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//树形章节输出
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Song.Entities.Outline[] outlines = Business.Do<IOutline>().OutlineAll(course.Cou_ID, true);
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if (outlines.Length > 0)
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this.Document.Variables.SetValue("olTree", Business.Do<IOutline>().OutlineTree(outlines));
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//课程公告
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Tag guidTag = this.Document.GetChildTagById("guides");
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int guidCount = 0;
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if (guidTag != null)
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{
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string tm = guidTag.Attributes.GetValue("count", "10");
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int.TryParse(tm, out guidCount);
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}
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Song.Entities.Guide[] guides = Business.Do<IGuide>().GuideCount(0, course.Cou_ID, 0, guidCount);
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this.Document.Variables.SetValue("guides", guides);
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//购买课程的时间区间
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this.Document.RegisterGlobalFunction(this.getBuyInfo);
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}
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/// <summary>
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/// 获取课程的购买信息
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/// </summary>
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/// <param name="id"></param>
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/// <returns></returns>
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protected object getBuyInfo(object[] id)
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{
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int couid = 0;
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if (id.Length > 0 && id[0] is int)
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int.TryParse(id[0].ToString(), out couid);
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if (this.Account != null)
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{
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return Business.Do<ICourse>().StudentCourse(this.Account.Ac_ID, couid);
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}
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return null;
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}
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}
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} |