89 lines
3.9 KiB
C#
89 lines
3.9 KiB
C#
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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.Entities;
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using Song.ServiceInterfaces;
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using VTemplate.Engine;
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using System.Data;
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namespace Song.Site.Mobile
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{
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/// <summary>
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/// 章节学习的界面，用于视频、图文资料学习
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/// </summary>
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public class CourseStudy : BasePage
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{
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//课程ID，章节id
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protected int couid = WeiSha.Common.Request.QueryString["couid"].Int32 ?? 0;
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protected int olid = WeiSha.Common.Request.QueryString["olid"].Int32 ?? 0;
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//是否选学的当前课程，是否购买
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bool isStudy = false, isBuy = false;
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protected override void InitPageTemplate(HttpContext context)
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{
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//当前课程
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Song.Entities.Course course = Business.Do<ICourse>().CourseSingle(couid);
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if (course == null || !course.Cou_IsUse) return;
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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.Variables.SetValue("course", course);
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//是否学习当前课程，如果没有学习且课程处于免费，则创建关联
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if (this.Account != null)
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{
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isStudy = Business.Do<ICourse>().Study(course.Cou_ID, this.Account.Ac_ID);
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isBuy = course.Cou_IsFree || course.Cou_IsLimitFree ? true : Business.Do<ICourse>().IsBuy(course.Cou_ID, this.Account.Ac_ID);
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}
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this.Document.Variables.SetValue("isStudy", isStudy);
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this.Document.Variables.SetValue("isBuy", isBuy);
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//记录学员当前学习的课程
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if (isStudy) Extend.LoginState.Accounts.Course(course);
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//当前章节
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Song.Entities.Outline ol = olid < 1 ?
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Business.Do<IOutline>().OutlineFirst(couid, true)
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: Business.Do<IOutline>().OutlineSingle(olid);
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if (ol != null) olid = ol.Ol_ID;
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this.Document.Variables.SetValue("outline", ol);
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this.Document.Variables.SetValue("olid", olid.ToString());
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//入写章节id的cookie，当播放视频时会判断此处
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Response.Cookies.Add(new HttpCookie("olid", olid.ToString()));
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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 = false;
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if (ol != null)
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{
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canStudy = isBuy || (isStudy && ol.Ol_IsUse && ol.Ol_IsFinish && ol.Ol_IsFree && course.Cou_IsTry);
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}
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else
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{
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canStudy = isBuy || isStudy;
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}
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this.Document.Variables.SetValue("canStudy", canStudy);
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#region 章节输出
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// 当前课程的所有章节
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Song.Entities.Outline[] outlines = Business.Do<IOutline>().OutlineAll(couid, true);
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this.Document.Variables.SetValue("outlines", outlines);
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//树形章节输出
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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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#endregion
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//附件
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if (ol != null)
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{
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List<Song.Entities.Accessory> access = Business.Do<IAccessory>().GetAll(ol.Ol_UID, "Course");
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if (access.Count > 0)
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{
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foreach (Accessory ac in access)
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ac.As_FileName = Upload.Get["Course"].Virtual + ac.As_FileName;
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this.Document.Variables.SetValue("access", access);
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}
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}
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}
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}
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}
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