/// <summary>
/// 通过ID获取作品文件
/// </summary>
/// <param name="fileID">文件ID</param>
/// <returns></returns>
public WorksFile GetWorksFileByID(string fileID)
{
long lfileID = long.Parse(fileID);
WorksFile file = db.WorksFile.FirstOrDefault(w => w.WorksFileID == lfileID);
return(file);
}
/// <summary>
/// 添加作品文件
/// </summary>
/// <param name="worksFile"></param>
/// <returns></returns>
public long Create(WorksFile worksFile)
{
db.WorksFile.Add(worksFile);
db.SaveChanges();
long fileID = worksFile.WorksFileID;
return(fileID);
}
/// <summary>
/// 更新作品文件
/// </summary>
/// <param name="worksFile"></param>
public void Update(WorksFile worksFile)
{
WorksFile file1 = db.WorksFile.FirstOrDefault(w => w.WorksFileID == worksFile.WorksFileID);
file1.FileName = worksFile.FileName;
file1.FilePath = worksFile.FilePath;
file1.FileSize = worksFile.FileSize;
db.SaveChanges();
}
/// <summary>
/// 多媒体文件（包括音视频）的显示：播放窗口
/// </summary>
/// <param name="serviceWorks">数据服务层接口</param>
/// <param name="worksId">作品ID</param>
/// <param name="typeId"></param>
/// <returns></returns>
private void ShowMedias(IServiceWorks serviceWorks, long worksId, int typeId)
{
StringBuilder htmlContent = new StringBuilder();
List <VAWcfService.WorksFile> mediaFiles = serviceWorks.GetWorksFile(worksId.ToString(), typeId.ToString());
if (mediaFiles.Count > 0)
{
VAWcfService.WorksFile mediaFile = mediaFiles.OrderByDescending(wf => wf.WorksFileID).FirstOrDefault();//因为可能有多个文档重复上传，所以此处先处理成该作品最后一次上传的文档为作品文档。
VAWcfService.Works works = serviceWorks.GetWorksSubmitById(worksId.ToString());
string periodId = works.PeriodID.ToString();
Periods period = serviceWorks.GetPeriodsById(periodId).FirstOrDefault();
string siteUrl = "http://va.neu.edu.cn";
if (period != null)
{
string courseId = period.CourseID.ToString();
Course course = serviceWorks.GetCourseById(courseId).FirstOrDefault();
if (course != null)
{
siteUrl += course.Url;
}
}
if (mediaFile != null)
{
MediaDiv.Visible = true;
//string mediaHtml = "<iframe type='text/html' width='640' height='360'";
//mediaHtml += "src='"+ siteUrl + "/_layouts/15/videoembedplayer.aspx?site=" + mediaFile.FilePath + "title=1'></iframe>";
htmlContent.AppendLine("<div class='plist'>");
htmlContent.AppendLine("<a href='" + siteUrl + mediaFile.FilePath + "' name='" + mediaFile.FileName + "'");
htmlContent.AppendLine("<img class='listpic' src='images/start.jpg' alt='" + mediaFile.FileName + "' width='200' height='150'>");
string txtExtend = mediaFile.FileName.Substring(mediaFile.FileName.LastIndexOf(".", StringComparison.Ordinal) + 1).ToLower();
if (txtExtend == "mp3")
{
htmlContent.AppendLine("<span class='v_bq_hong'>讲解音频</span><span class='v_bg'></span>");
}
else
{
htmlContent.AppendLine("<span class='v_bq_lan'>讲解视频</span><span class='v_bg'></span>");
}
htmlContent.AppendLine("<span class='v_bq_vico'></span></a>");
htmlContent.AppendLine("<h2><a href='" + siteUrl + mediaFile.FilePath + "' name='" + mediaFile.FileName + "'>" + mediaFile.FileName + "</a></h2><p>" + mediaFile.Created + "</p>");
htmlContent.AppendLine("</div>");
}
//}
MediaList.InnerHtml = htmlContent.ToString();
}
else
{
MediaDiv.Visible = false;
}
//return htmlContent;
}
