public JsonResult Edit(Blog newModel)
{
newModel = UrlCommon.DecodeModel(newModel);
if (string.IsNullOrWhiteSpace(newModel.BlogId))
{
return(ResponseResult(-1, "要编辑的文章ID不正确（无法获取）"));
}
var model = blogApplication.FindById(newModel.BlogId);
IList <Tag> tags = null;
if (!string.IsNullOrWhiteSpace(Request["Tags"]))
{
//反序列化tag
tags = JavaScriptCommon.DeSerialize <IList <Tag> >(UrlCommon.Decode(Request["Tags"]));
}
else
{
return(ResponseResult(1, new { msg = "标签不允许为空" }));
}
//TODO 应该先对两个blog进行修改，如果发现是一样的就不修改blog了
string validateResult = blogApplication.ValidateAndCorrectSubmit(newModel, classifyApplication);
if (validateResult == null)
{
return(SaidCommon.Transaction(() =>
{
blogApplication.EditBlog(newModel, model, tags, tagApplication, blogTagsApplication);
if (blogTagsApplication.Commit())
{
// 清理 cache，因为前台读取的时候引用了 cache
if (CacheHelper.GetCache(model.BlogId) != null)
{
CacheHelper.RemoveAllCache(model.BlogId);
}
return ResponseResult(new { id = newModel.BlogId });
}
return ResponseResult(2, "修改Blog失败");
}));
}
else
{
return(ResponseResult(1, new { msg = validateResult }));
}
}
public JsonResult AddBlog(Blog model)
{
//if (string.IsNullOrWhiteSpace(model.ClassifyId))
// return ResponseResult(1, "没有填写分类信息");
//修正编码数据
model = UrlCommon.DecodeModel(model);
IList <Tag> tags = null;
if (!String.IsNullOrWhiteSpace(Request["Tags"]))
{
//反序列化tag
tags = JavaScriptCommon.DeSerialize <IList <Tag> >(UrlCommon.Decode(Request["Tags"]));
}
else
{
return(ResponseResult(1, new { msg = "标签不允许为空" }));
}
string validateResult = blogApplication.ValidateAndCorrectSubmit(model, classifyApplication);
if (validateResult == null)
{
return(SaidCommon.Transaction(() =>
{
blogApplication.AddBlog(model, tags, blogTagsApplication, tagApplication);
if (blogApplication.Commit())
{
return ResponseResult(new { id = model.BlogId });
}
return ResponseResult(2);
}));
}
else
{
return(ResponseResult(1, new { msg = validateResult }));
}
}
/// <summary>
/// 上传一个图片，保存并返回图片信息新生成的文件名
/// </summary>
/// <param name="file"></param>
/// <param name="filters"></param>
/// <param name="maxSize"></param>
/// <param name="dirPath"></param>
/// <returns></returns>
private Dictionary <string, string> Save(HttpPostedFileBase file, Array filters, int maxSize, string dirPath)
{
Dictionary <string, string> result = new Dictionary <string, string>();
dirPath = Server.MapPath(dirPath);
//FileCommon.ExistsCreate(dirPath);
if (file == null)
{
result.Add("code", "1");
result.Add("msg", "没有文件");
return(result);
}
if (file.InputStream == null || file.InputStream.Length > maxSize)
{
result.Add("code", "1");
result.Add("msg", "上传文件大小超过限制");
return(result);
}
//file.InputStream可以获取到System.io.Stream对象，由此可以对文件进行hash加密运算
string fileName = file.FileName,
fileExt = Path.GetExtension(fileName).ToLower();//扩展名
if (string.IsNullOrEmpty(fileExt) || Array.IndexOf(filters, fileExt.Substring(1).ToLower()) == -1)
{
result.Add("code", "1");
result.Add("msg", "上传文件扩展名是不允许的扩展名");
return(result);
}
string newFileName = string.Empty, //新生成的文件名
filePath = string.Empty;
if (string.IsNullOrEmpty(dirPath))
{
result.Add("code", "1");
result.Add("msg", "服务器异常");
return(result);
}
newFileName = FileCommon.CreateFileNameByTime() + fileExt;
filePath = dirPath + newFileName;
file.SaveAs(filePath);
//TODO 这里需要检测有没有什么异常
MusicInfo music = MusicCommon.GetFileInfo(filePath);
music.Size = file.ContentLength;
music.Type = fileExt.Substring(1);
//if (string.IsNullOrEmpty(music.Length))
//{
// //测试了10个左右的文件，发现木有音乐文件长度不存在的情况
// if (music.BitRate == 0)
// {
// result.Add("code", "2");
// result.Add("msg", "文件异常（无法读取到正确的文件信息）");
// return result;
// }
// else
// {
// //尝试转换
// //这里得到的是字节么？
// music.Length = (music.Size * 1024 / music.BitRate * 8).ToString(); //歌曲时长 = 文件大小（mb）/ 位率（KBPS） * 8
// System.Diagnostics.Debug.WriteLine(music.Length);
// }
//}
result.Add("code", "0");
result.Add("path", filePath);
result.Add("dir", dirPath);
result.Add("name", newFileName);
result.Add("data", JavaScriptCommon.Serialize(music));
return(result);
}
