/// <summary>
/// 创建多媒体网址
/// </summary>
/// <param name="ParsedMedia">多媒体网址实体</param>
/// <returns>Url别名</returns>
public string Create(ParsedMedia ParsedMedia)
{
ShortUrlService shortUrlService = new ShortUrlService();
string alias = shortUrlService.Create(ParsedMedia.Url);
ParsedMedia.Alias = alias;
EventBus <ParsedMedia> .Instance().OnBefore(ParsedMedia, new CommonEventArgs(EventOperationType.Instance().Create()));
string description = HtmlUtility.StripHtml(ParsedMedia.Description, true, false).Trim();
if (description.Length > 500)
{
ParsedMedia.Description = description.Substring(0, 500) + "…";
}
else
{
ParsedMedia.Description = description;
}
object result = ParsedMediaRepository.Insert(ParsedMedia);
if ((bool)result)
{
EventBus <ParsedMedia> .Instance().OnAfter(ParsedMedia, new CommonEventArgs(EventOperationType.Instance().Create()));
}
return(alias);
}
/// <summary>
/// 解析内容中的多媒体内容
/// </summary>
/// <param name="body">待解析的内容</param>
/// <param name="TagGenerate">url生成对应标签的方法</param>
public string ResolveBodyForHtmlDetail(string body, Func <string, ParsedMedia, string> TagGenerate)
{
if (string.IsNullOrEmpty(body))
{
return(body);
}
Regex rg = new Regex(@"(\<img(.[^\<]*)?(alt=""(?<alias>[a-zA-Z0-9]*)"")(.[^\<]*)?\>)", RegexOptions.Multiline | RegexOptions.Singleline);
MatchCollection matches = rg.Matches(body);
if (matches != null)
{
string alias = string.Empty, preAlias = string.Empty, imgHtml = string.Empty, shortUrl = string.Empty;
ParsedMedia parsedMedia = null;
ShortUrlService shortUrlService = new ShortUrlService();
string urlDomain = ShortUrlService.GetUrlDomain();
foreach (Match m in matches)
{
if (m.Groups["alias"] == null || string.IsNullOrEmpty(m.Groups["alias"].Value))
{
continue;
}
alias = m.Groups["alias"].Value;
if (!string.IsNullOrEmpty(alias) && !alias.Equals(preAlias, StringComparison.CurrentCultureIgnoreCase))
{
preAlias = alias;
}
else
{
continue;
}
imgHtml = m.Value;
if (alias.Length == 6)
{
ShortUrlEntity entity = null;
shortUrl = shortUrlService.GetShortUrl(alias, out entity, urlDomain);
if (entity != null)
{
parsedMedia = Get(alias);
if (parsedMedia == null)
{
continue;
}
}
else
{
continue;
}
}
body = body.Replace(imgHtml, TagGenerate(shortUrl, parsedMedia));
}
}
return(body);
}
/// <summary>
/// 解析内容中的AtUser用户展示展示
/// </summary>
/// <param name="body">待解析的内容</param>
/// <param name="associateId">关联项Id</param>
/// <param name="userId">关联项作者Id</param>
/// <param name="UrlGenerate">url生成对应标签的方法</param>
public string ResolveBodyForDetail(string body, long associateId, long userId, Func <string, long, long, ParsedMedia, string> UrlGenerate)
{
if (string.IsNullOrEmpty(body) || !body.Contains("http://"))
{
return(body);
}
Regex rg = new Regex(regexRule, RegexOptions.Multiline | RegexOptions.Singleline);
MatchCollection matches = rg.Matches(body);
if (matches != null)
{
string strUrl = string.Empty, preUrl = string.Empty, shortUrl = string.Empty;
string urlDomain = ShortUrlService.GetUrlDomain().Substring(7);
ParsedMedia parsedMedia = null;
ShortUrlService shortUrlService = new ShortUrlService();
foreach (Match m in matches)
{
if (string.IsNullOrEmpty(m.Value))
{
continue;
}
strUrl = m.Value;
if (string.IsNullOrEmpty(strUrl) || strUrl.Equals(preUrl, StringComparison.CurrentCultureIgnoreCase))
{
continue;
}
preUrl = strUrl;
if (strUrl.StartsWith(urlDomain))
{
string temalias = strUrl.Substring(strUrl.LastIndexOf('/') + 1);
if (temalias.Length != 6)
{
continue;
}
parsedMedia = Get(temalias);
if (parsedMedia == null)
{
continue;
}
shortUrl = shortUrlService.GetShortUrl(temalias, "http://" + urlDomain);
}
else if (strUrl.Length == 6)
{
ShortUrlEntity entity = null;
shortUrl = shortUrlService.GetShortUrl(strUrl, out entity, "http://" + urlDomain);
if (entity == null)
{
continue;
}
parsedMedia = Get(strUrl);
if (parsedMedia == null)
{
parsedMedia = ParsedMedia.New();
parsedMedia.MediaType = MediaType.Other;
parsedMedia.Alias = entity.Alias;
parsedMedia.Url = entity.Url;
}
}
else
{
continue;
}
body = body.Replace("http://" + strUrl, UrlGenerate(shortUrl, associateId, userId, parsedMedia));
}
}
return(body);
}
/// <summary>
/// 解析内容用于创建AtUser
/// </summary>
/// <param name="body">待解析的内容</param>
/// <param name="videoAlias">视频Url别名</param>
/// <param name="audioAlias">音乐Url别名</param>
public string ResolveBodyForEdit(string body, out string videoAlias, out string audioAlias)
{
videoAlias = audioAlias = string.Empty;
if (string.IsNullOrEmpty(body) || !body.Contains("http://"))
{
return(body);
}
string newBody = body, strUrl = string.Empty, strPreUrl = string.Empty;
string urlDomain = ShortUrlService.GetUrlDomain();
urlDomain = urlDomain.Substring(7);
Dictionary <string, string> urls = new Dictionary <string, string>();
ShortUrlService shortUrlService = new ShortUrlService();
ParsedMedia parsedMedia = null;
Regex rg = new Regex(regexRule, RegexOptions.Multiline | RegexOptions.Singleline);
MatchCollection matches = rg.Matches(body);
if (matches != null)
{
foreach (Match m in matches)
{
if (string.IsNullOrEmpty(m.Value))
{
continue;
}
strUrl = m.Value;
if (!string.IsNullOrEmpty(strUrl) && !strUrl.Equals(strPreUrl, StringComparison.CurrentCultureIgnoreCase))
{
strPreUrl = strUrl;
}
else
{
continue;
}
if (strUrl.StartsWith(urlDomain) || strUrl.Length == 6)
{
string temalias = strUrl.Length == 6 ? strUrl : strUrl.Substring(urlDomain.Length + 1);
if (temalias.Length == 6)
{
parsedMedia = Get(temalias);
if (strUrl.Contains(urlDomain))
{
urls[temalias] = strUrl;
}
}
else
{
temalias = shortUrlService.Create("http://" + strUrl);
if (string.IsNullOrEmpty(temalias))
{
continue;
}
urls[temalias] = strUrl;
}
}
if (parsedMedia == null)
{
continue;
}
if (parsedMedia.MediaType == MediaType.Video)
{
if (string.IsNullOrEmpty(videoAlias))
{
videoAlias = parsedMedia.Alias;
}
}
else if (parsedMedia.MediaType == MediaType.Audio)
{
if (string.IsNullOrEmpty(audioAlias))
{
audioAlias = parsedMedia.Alias;
}
}
}
if (urls.Count() > 0)
{
foreach (var url in urls)
{
body = body.Replace("http://" + url.Value, "http://" + url.Key + " ");
}
}
}
return(body);
}
/// <summary>
/// 生成多媒体内容标签
/// </summary>
/// <param name="shrotUrl">短网址</param>
/// <param name="parsedMedia">多媒体连接实体</param>
private string ParsedMediaTagGenerateForMobile(string shrotUrl, ParsedMedia parsedMedia)
{
if (parsedMedia == null)
return string.Empty;
if (parsedMedia.MediaType == MediaType.Audio)
{
string musicHtml = "<p><a href=\"{1}\" ntype='mediaPlay'>点击播放音乐</a></p>";
ShortUrlEntity shortUrlEntity = new ShortUrlService().Get(parsedMedia.Alias);
return string.Format(musicHtml, SiteUrls.FullUrl(SiteUrls.Instance()._MusicDetail(parsedMedia.Alias)), shortUrlEntity == null ? null : shortUrlEntity.Url);
}
else if (parsedMedia.MediaType == MediaType.Video)
{
string videoHtml = "<p><a href=\"{1}\" ntype=\"mediaPlay\">{1}<img src=\"{2}\"></a></p>";
ShortUrlEntity shortUrlEntity = new ShortUrlService().Get(parsedMedia.Alias);
return string.Format(videoHtml, SiteUrls.FullUrl(SiteUrls.Instance()._VideoDetail(parsedMedia.Alias)), shortUrlEntity == null ? null : shortUrlEntity.Url, parsedMedia.ThumbnailUrl);
}
return string.Empty;
}
/// <summary>
/// 网址解析器
/// </summary>
/// <param name="url"></param>
/// <param name="mediaType"></param>
/// <returns></returns>
public ActionResult ParseMedia(MediaType mediaType, string url = null)
{
if (UserContext.CurrentUser == null)
return Json(new { errorMessage = "您没有登录" }, JsonRequestBehavior.AllowGet);
if (string.IsNullOrEmpty(url))
return Json(new { errorMessage = "url不能为空" }, JsonRequestBehavior.AllowGet);
if (!Utility.IsAllowableReferrer(Request))
return Json(new { errorMessage = "站点不支持跨域访问" }, JsonRequestBehavior.AllowGet);
List<string> keys = GetUrlParserKeys(mediaType);
string key = keys.FirstOrDefault(n => url.ToLower().Contains(n.ToLower()));
//若已经在短网址中存在，则直接返回结果
ShortUrlService shortUrlService = new ShortUrlService();
bool urlExists = false;
string alias = shortUrlService.GetUrlAlias(url, out urlExists);
//string alias = IdGenerator.Next().ToString();
ParsedMediaService parsedMediaService = new ParsedMediaService();
ParsedMedia entity = parsedMediaService.Get(alias);
if (entity != null)
return Json(entity, JsonRequestBehavior.AllowGet);
if (string.IsNullOrEmpty(key))
return View("~/Plugins/MediaParsers/" + mediaType.ToString() + "/Default.cshtml");
return View("~/Plugins/MediaParsers/" + mediaType.ToString() + "/" + key + ".cshtml");
}