珂珂的个人博客 - 一个程序猿的个人网站
FYJ.Blogs开发系列(四)-后台文章Controller
FYJ.Blogs开发系列(五)-前台基页Controller
FYJ.Blogs开发系列(六)-前台主页Controller
FYJ.Blogs开发系列(七)-前台文章Controller
using Blogs.Entity;
using Blogs.UI.Main.Models;
using FYJ.Common;
using FYJ.Web.NetPager;
using Microsoft.Practices.Unity;
using System;
using System.Collections.Generic;
using System.Data;
using System.IO;
using System.Linq;
using System.Text.RegularExpressions;
using System.Web.Mvc;
namespace Blogs.UI.Main.Controllers
{
public class ArticleController : BaseController
{
[Dependency]
public Blogs.IDAL.IComment CommentDal
{
get;
set;
}
[Dependency]
public Blogs.IDAL.IArticleView ArticleViewDal
{
get;
set;
}
private string articleID
{
get { return this.RouteData.Values["id"].ToString(); }
}
public ActionResult Index()
{
int articleID = Convert.ToInt32(this.articleID);
Entity.blog_view_article article = ArticleViewDal.GetEntities().Where(c => c.articleID == articleID).Select(c => new blog_view_article { isDisabled = c.isDisabled, articleIsDelete = c.articleIsDelete, themeName = c.themeName, linkScript = c.linkScript }).FirstOrDefault();
if (article == null)
{
return Content("文章不存在");
}
if (article.isDisabled.Value)
{
return Content("文章、分类或博客被禁用");
}
if (article.articleIsDelete)
{
return Content("文章被删除到回收站");
}
if ((!String.IsNullOrEmpty(article.articlePassword)) && (Session["Autharticle"] == null || !Session["Autharticle"].ToString().Contains(this.articleID)))
{
return new RedirectResult("/articlePassword?articleID=" + articleID + "&BackUrl=" + Server.UrlEncode(Request.Url.ToString()));
}
//是否启用静态页
bool isUseStaticHtml = (System.Configuration.ConfigurationManager.AppSettings["isUseStaticHtml"] == "true");
if (isUseStaticHtml)
{
string absPath = Request.Url.AbsolutePath.TrimStart('/');
//文章最后更新时间 不用上面的article对象 因为EF缓存
long articleUpdateDate = ArticleDal.GetArticleUpdateLong(this.articleID);
//如果目录不存在则创建
string foloderPath = Server.MapPath("~/App_Data/html/article/" + this.articleID.Substring(0, 1));
if (!Directory.Exists(foloderPath))
{
Directory.CreateDirectory(foloderPath);
}
string s = Directory.GetFiles(foloderPath, "*-" + absPath).FirstOrDefault();
string filePath = String.Empty;
if (s != null)
{
long updateDate = Convert.ToInt64(Regex.Match(Path.GetFileName(s), "(.*)-" + absPath).Groups[1].Value);
filePath = foloderPath + "/" + updateDate + "-" + absPath;
//默认刷新时间30 分钟
int refresh = 1800;
string staticHtmlRefreshTimeout = System.Configuration.ConfigurationManager.AppSettings["staticHtmlRefreshTimeout"];
if (!String.IsNullOrEmpty(staticHtmlRefreshTimeout))
{
refresh = Convert.ToInt32(staticHtmlRefreshTimeout);
}
//如果没有超过刷新时间 并且当前静态页时间大于等于文章最后更新时间 则从静态页读取
if (Convert.ToInt64(DateTime.Now.ToString("yyyyMMddHHmmss")) - updateDate < refresh
&& (updateDate >= articleUpdateDate))
{
ArticleDal.UpdateExtend(this.articleID, Request.UserHostAddress, this.CurrentUser == null ? null : this.CurrentUser.userID);
string content = System.IO.File.ReadAllText(filePath, System.Text.Encoding.UTF8);
return Content(content);
}
}
filePath = foloderPath + "/" + DateTime.Now.ToString("yyyyMMddHHmmss") + "-" + absPath;
//删除以前生成的文件
if (s != null)
{
System.IO.File.Delete(s);
}
BlogPageModel model = GetModel();
model.ThemeName = article.themeName;
model.linkScript = article.linkScript;
string html = Blogs.Common.ControllerHelper.RenderPartialViewToString(this, "~/Views/Blog/Themes/" + article.themeName + "/Show.cshtml", model);
TextWriter w = new StreamWriter(filePath, false, System.Text.Encoding.UTF8, 4096);
w.Write(html);
w.Close();
return Content(html);
}
else
{
BlogPageModel model = GetModel();
model.ThemeName = article.themeName;
model.linkScript = article.linkScript;
return View("~/Views/Blog/Themes/" + article.themeName + "/Show.cshtml", model);
}
}
protected new BlogPageModel GetModel()
{
BlogUser user = base.CurrentUser;
DataSet ds = ArticleDal.GetArticleByID(articleID, Request.UserHostAddress, user == null ? null : user.userID);
DataTable articleTable = ds.Tables[0];
ShowPageModel model = articleTable.DataTableToModel<ShowPageModel>()[0];
//更新最后打开时间
ArticleDal.UpdateLastOpenDatetime(articleID);
if (!articleTable.Rows[0]["articleHideContent"].IsNullOrEmptyOrDbNullOrWhiteSpace())
{
if (this.isReplyed())
{
model.articleHideContent = articleTable.Rows[0]["articleHideContent"].ToString();
}
else
{
model.articleHideContent = "本文有隐藏内容，需要登录回复后刷新方能查看";
}
}
if (Convert.ToBoolean(articleTable.Rows[0]["articleIsOriginal"]))
{
model.Shenming = "欢迎转载,但请以超链接的形式给出原文链接:<a href=\"" + Request.Url.ToString() + "\">" + Request.Url.ToString() + "</a>";
}
model.CommentStateCollection = ds.Tables[2].DataTableToModel<CommentTypeModel>();
model.CommentTagCollection = GetCommentTag(ds.Tables[3]);
model.CommentPagerHtml = GetCommentPager(1, Convert.ToInt32(ds.Tables[1].Rows[0][0]));
model.BeforeArticle = new ArticleModel();
model.AfterArticle = new ArticleModel();
if (ds.Tables[4].Rows.Count > 0)
{
model.BeforeArticle = ds.Tables[4].DataTableToModel<ArticleModel>()[0];
}
if (ds.Tables[5].Rows.Count > 0)
{
model.AfterArticle = ds.Tables[5].DataTableToModel<ArticleModel>()[0];
}
DataTable dt = ds.Tables[6];
int index = 0;
if (dt.Columns.Contains("tagUrls") && dt.Rows[index]["tagUrls"] != null)
{
string[] tagUrls = dt.Rows[index]["tagUrls"].ToString().Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
string[] tagDisplays = dt.Rows[index]["tagDisplays"].ToString().Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
List<TagModel> list = new List<TagModel>();
for (int i = 0; i < tagUrls.Length; i++)
{
TagModel tag = new TagModel { tagDisplay = tagDisplays[i], Url = tagUrls[i] };
list.Add(tag);
}
model.TagCollection = list;
}
BlogPageModel bm = base.GetModel();
model.Title = model.articleTitle + "-" + bm.BlogTitle;
#region 获取附件
if (ds.Tables[7].Rows.Count > 0)
{
Blogs.Entity.AttachmentLimit attachementlimit = (Blogs.Entity.AttachmentLimit)Enum.Parse(typeof(Blogs.Entity.AttachmentLimit), model.articleAttachmentLimit + "");
bool b1 = (attachementlimit & Blogs.Entity.AttachmentLimit.禁止未登录用户下载) == Blogs.Entity.AttachmentLimit.禁止未登录用户下载;
bool b2 = (attachementlimit & Blogs.Entity.AttachmentLimit.禁止未回复用户下载) == Blogs.Entity.AttachmentLimit.禁止未回复用户下载;
bool b3 = (attachementlimit & Blogs.Entity.AttachmentLimit.禁止下载) == Blogs.Entity.AttachmentLimit.禁止下载;
//未设置附件权限
if (model.articleAttachmentLimit == 0)
{
model.AttachmentCollection = ds.Tables[7].DataTableToModel<AttachmentModel>();
}
if (b1)
{
if (CurrentUser == null)
{
AttachmentModel at = new AttachmentModel { fileUrl = "", fileName = "请登录后查看附件" };
model.AttachmentCollection = new List<AttachmentModel> { at };
}
else
{
model.AttachmentCollection = ds.Tables[7].DataTableToModel<AttachmentModel>();
}
}
if (b2)
{
if (CurrentUser == null)
{
AttachmentModel at = new AttachmentModel { fileUrl = "", fileName = "请回复后查看附件" };
model.AttachmentCollection = new List<AttachmentModel> { at };
}
else
{
if (CommentDal.GetEntities().Where(c => c.userID == CurrentUser.userID && c.articleID == model.articleID).Count() > 0)
{
model.AttachmentCollection = ds.Tables[7].DataTableToModel<AttachmentModel>();
}
else
{
AttachmentModel at = new AttachmentModel { fileUrl = "", fileName = "请回复后查看附件" };
model.AttachmentCollection = new List<AttachmentModel> { at };
}
}
}
}
else
{
model.AttachmentCollection = new List<AttachmentModel>();
}
#endregion
if (model.articleIsOriginal)
{
model.Shenming = "本文为原创,欢迎转载,请注明出处和原文链接:" + model.articleUrl;
}
bm.SingleArticle = model;
return bm;
}
private void RenderAttachment()
{
string str = "";
var model = ArticleDal.GetEntities().Where(c => c.articleID == Convert.ToInt32(this.articleID)).FirstOrDefault();
if (model != null)
{
if (model.articleAttachmentLimit == 0 || this.isReplyed())
{
IDictionary<string, string> dic = new Dictionary<string, string>();
dic.Add("userID", "8dc2885cd7bb44aa9344557dbc0c1630");
dic.Add("ak", "afbf3d192908477d9e24b3e351bc4ebe");
dic.Add("action", "getFileUrl");
dic.Add("objectTag", "attachment");
dic.Add("objectID", this.articleID);
string par = "";
string sign = FYJ.Common.HttpHelper.Sign(dic, "493d453149f943e0b515f068e2d029d6", out par, "sign");
string url = "http://my.fyj.me/service/file.action?" + par + "&sign=" + sign;
string json = FYJ.Common.HttpHelper.DoGet(url);
DataTable dt = FYJ.Common.JsonHelper.JsonToDataTable(json);
if (dt != null && dt.Rows.Count > 0)
{
foreach (DataRow dr in dt.Rows)
{
str += "<p><a href='" + dr["fileUrl"] + "' target='_blank'>" + dr["fileName"] + "</a></p>";
}
}
}
else if (model.articleAttachmentLimit == 1)
{
str = "本文有附件，需要回复后刷新方能查看";
}
}
Response.Write(str);
Response.End();
}
//显示评论分页 分页大小10
private string GetCommentPager(int page, int total)
{
Pager pager = new Pager()
{
RecordCount = total,
PageSize = 10,
MaxShowPageSize = 10,
PageIndex = page,
ShowSpanText = true,
EnableUrlRewriting = true,
UrlRewritePattern = "javascript:commentPage({0})",
FirstPageText = "<<",
LastPageText = ">>",
PrePageText = "<",
NextPageText = ">",
ClassName = "pagination",
CurrentPageButtonCss = "current"
};
string str = pager.ToString();
return str;
}
//获取回复标签
private IEnumerable<CommentTagModel> GetCommentTag(DataTable dt)
{
dt.Columns.Add("backgroundColor");
String[] colors = new string[] { "#910048", "#B7005B", "#D20069", "#F7007B", "#FF158A", "#FF3C9D", "#FF5BAD", "#FF80BF", "#FF9DCE", "#FFC1E0" };
DataTable table = dt.Clone();
List<String> tagList = new List<string>();
int index = 0;
for (int i = 0; i < dt.Rows.Count && index < 10; i++)
{
if (!tagList.Contains(dt.Rows[i]["commentText"].ToString()))
{
DataRow newRow = table.NewRow();
newRow["commentID"] = dt.Rows[i]["commentID"];
newRow["commentText"] = dt.Rows[i]["commentText"];
newRow["supportCount"] = dt.Rows[i]["supportCount"];
newRow["backgroundColor"] = colors[index];
tagList.Add(dt.Rows[i]["commentText"].ToString()); //为了去掉重复
index++;
table.Rows.Add(newRow);
}
}
if (table.Rows.Count > 0)
{
return table.DataTableToModel<CommentTagModel>();
}
else
{
return new List<CommentTagModel>();
}
}
//是否所有者
private bool isOwner(string articleUserID)
{
BlogUser user = base.CurrentUser;
if (user != null)
{
String userID = user.userID;
if (userID == articleUserID)
{
return true;
}
}
return false;
}
/// <summary>
/// 是否已经回复 如果是本文章作者 直接视为已回复
/// </summary>
/// <param name="articleUserID"></param>
/// <returns></returns>
private bool isReplyed()
{
BlogUser user = base.CurrentUser;
if (user != null)
{
string articleUserID = GetarticleUserID();
if (isOwner(articleUserID))
{
return true;
}
String userID = user.userID;
int articleID = Convert.ToInt32(this.articleID);
if (CommentDal.GetEntities().Where(c => c.userID == userID && c.articleID == articleID).Count() > 0)
{
return true;
}
}
return false;
}
/// <summary>
/// 获取文章作者用户ID
/// </summary>
/// <returns></returns>
private string GetarticleUserID()
{
int articleID = Convert.ToInt32(this.articleID);
return ArticleDal.GetEntities().Where(c => c.articleID == articleID).Select(c => c.blog_tb_blog.userID).FirstOrDefault();
}
}
}