metawebblog api 是一个博客标准,这样我们就可以通过实现这个标准来实现
我们自己的博客支持word2007,windows liver writer来写博客.
metablog的.net接口如下.
using System;
using System.Collections.Generic;
using System.Text;
using CookComputing.XmlRpc;
namespace blog
{
#region Structs
public struct BlogInfo
{
public string blogid;
public string url;
public string blogName;
}
public struct Category
{
public string categoryId;
public string categoryName;
}
[Serializable]
public struct CategoryInfo
{
public string description;
public string htmlUrl;
public string rssUrl;
public string title;
public string categoryid;
}
[XmlRpcMissingMapping(MappingAction.Ignore)]
public struct Enclosure
{
public int length;
public string type;
public string url;
}
[XmlRpcMissingMapping(MappingAction.Ignore)]
public struct Post
{
[XmlRpcMissingMapping(MappingAction.Error)]
[XmlRpcMember(Description = "Required when posting.")]
public DateTime dateCreated;
[XmlRpcMissingMapping(MappingAction.Error)]
[XmlRpcMember(Description = "Required when posting.")]
public string description;
[XmlRpcMissingMapping(MappingAction.Error)]
[XmlRpcMember(Description = "Required when posting.")]
public string title;
public string[] categories;
public Enclosure enclosure;
public string link;
public string permalink;
[XmlRpcMember(
Description = "Not required when posting. Depending on server may "
+ "be either string or integer. "
+ "Use Convert.ToInt32(postid) to treat as integer or "
+ "Convert.ToString(postid) to treat as string")]
public object postid;
public Source source;
public string userid;
//public string mt_excerpt;
}
[XmlRpcMissingMapping(MappingAction.Ignore)]
public struct Source
{
public string name;
public string url;
}
public struct UserInfo
{
public string userid;
public string firstname;
public string lastname;
public string nickname;
public string email;
public string url;
}
public struct MediaObjectUrl
{
public string url;
}
public struct MediaObject
{
public string name;
public string type;
public byte[] bits;
}
#endregion
public interface IMetaWeblog
{
#region MetaWeblog API
[XmlRpcMethod("metaWeblog.newPost",
Description = "Makes a new post to a designated blog using the "
+ "MetaWeblog API. Returns postid as a string.")]
string newPost(
string blogid,
string username,
string password,
Post post,
bool publish);
[XmlRpcMethod("metaWeblog.editPost", Description = "Updates and existing post to a designated blog "
+ "using the MetaWeblog API. Returns true if completed.")]
bool editPost(
string postid,
string username,
string password,
Post post,
bool publish);
[XmlRpcMethod("metaWeblog.getPost",
Description = "Retrieves an existing post using the MetaWeblog "
+ "API. Returns the MetaWeblog struct.")]
Post getPost(
string postid,
string username,
string password);
[XmlRpcMethod("metaWeblog.getCategories",
Description = "Retrieves a list of valid categories for a post "
+ "using the MetaWeblog API. Returns the MetaWeblog categories "
+ "struct collection.")]
CategoryInfo[] getCategories(
string blogid,
string username,
string password);
[XmlRpcMethod("metaWeblog.getRecentPosts",
Description = "Retrieves a list of the most recent existing post "
+ "using the MetaWeblog API. Returns the MetaWeblog struct collection.")]
Post[] getRecentPosts(
string blogid,
string username,
string password,
int numberOfPosts);
[XmlRpcMethod("metaWeblog.newMediaObject", Description = "Add a media object to a post using the metaWeblog API. Returns media url as a string.")]
MediaObjectUrl newMediaObject(string blogid, string username, string password, MediaObject mediaObject);
#endregion
#region BloggerAPI
[XmlRpcMethod("blogger.deletePost",
Description = "Deletes a post.")]
[return: XmlRpcReturnValue(Description = "Always returns true.")]
bool deletePost(
string appKey,
string postid,
string username,
string password,
[XmlRpcParameter(
Description = "Where applicable, this specifies whether the blog "
+ "should be republished after the post has been deleted.")]
bool publish);
[XmlRpcMethod("blogger.getUsersBlogs",
Description = "Returns information on all the blogs a given user "
+ "is a member.")]
BlogInfo[] getUsersBlogs(
string appKey,
string username,
string password);
[XmlRpcMethod("blogger.getUserInfo",
Description = "Returns information about the given user.")]
UserInfo getUserInfo(
string appKey,
string username,
string password);
#endregion
}
}
我们再实现这个接口:
using System;
using System.Collections.Generic;
using System.Text;
using System.Collections;
using System.Data;
using System.IO;
using individual;
using CookComputing.XmlRpc;
using article;
using System.Web;
namespace blog
{
public class MetaWeblog : XmlRpcService, IMetaWeblog
{
#region IMetaWeblog 成员
public string newPost(string blogid, string username, string password, Post post, bool publish)
{
if (!ValidateUser(username, password)) throw new XmlRpcFaultException(0, "用户不存在");
ArticleCategory cat = new ArticleCategory();
DataSet ds= cat.GetAllDSByBlogId(int.Parse(blogid));
DataTable dt = ds.Tables[0];
DataRowCollection drs = ds.Tables[0].Rows;
Article article = new Article();
ArticleModel model = new ArticleModel();
model.AddTime = DateTime.Now.ToString("yyyy-MM-dd hh:mm:ss");
model.BlogId = int.Parse(blogid);
model.Contents = post.description;
model.CanRemark = 1;
model.Subject = post.title;
model.State = (publish) ? 1 : 2;
if (post.categories.Length > 0)
{
string catName = post.categories[0];
DataRow[] aryDr = dt.Select("name='" + catName +"'");
model.CategoryId = int.Parse(aryDr[0]["categoryId"].ToString());
}
else
{
model.CategoryId = int.Parse(drs[0]["categoryId"].ToString());
}
article.Model = model;
long postId = article.Add();
if (postId > 0)
return postId.ToString();
else
throw new XmlRpcFaultException(0, "发表文章不成功");
}
public bool editPost(string postid, string username, string password, Post post, bool publish)
{
if (!ValidateUser(username, password)) throw new XmlRpcFaultException(0, "用户不存在");
try
{
Article article = new Article();
int articleId = int.Parse(postid);
ArticleModel model = (ArticleModel)article.GetById(articleId);
model.AddTime = DateTime.Now.ToString("yyyy-MM-dd hh:mm:ss");
model.Contents = post.description;
model.Subject = post.title;
model.State = (publish) ? 1 : 2;
if (post.categories.Length > 0)
{
ArticleCategory cat = new ArticleCategory();
DataSet ds = cat.GetAllDSByBlogId(model.BlogId);
DataTable dt = ds.Tables[0];
string catName = post.categories[0];
DataRow[] aryDr = dt.Select("name='" + catName +"'");
model.CategoryId = int.Parse(aryDr[0]["categoryId"].ToString());
}
article.Model = model;
article.Update();
return true;
}
catch (Exception ex)
{
throw new XmlRpcFaultException(0, "更新文章失败");
}
}
public Post getPost(string postid, string username, string password)
{
if (!ValidateUser(username, password)) throw new XmlRpcFaultException(0, "用户不存在");
Article article = new Article();
int articleId = int.Parse(postid);
ArticleModel model = (ArticleModel)article.GetById(articleId);
Post post = ConvertModelToPost(model);
return post;
}
public CategoryInfo[] getCategories(string blogid, string username, string password)
{
if (!ValidateUser(username, password)) throw new XmlRpcFaultException(0, "用户不存在");
ArticleCategory cat = new ArticleCategory();
int blogId=int.Parse(blogid);
DataSet ds= cat.GetAllDSByBlogId(blogId);
DataRowCollection drs = ds.Tables[0].Rows;
ArrayList al = new ArrayList(drs.Count);
foreach (DataRow dr in drs)
{
CategoryInfo catInfo = new CategoryInfo();
catInfo.categoryid = dr["CategoryId"].ToString();
catInfo.title = dr["name"].ToString();
catInfo.description = "";
catInfo.htmlUrl = "";
catInfo.rssUrl = "";
al.Add(catInfo);
}
return al.ToArray(typeof(CategoryInfo)) as CategoryInfo[];
}
public Post[] getRecentPosts(string blogid, string username, string password, int numberOfPosts)
{
if (!ValidateUser(username, password)) throw new XmlRpcFaultException(0, "用户不存在");
int blogId=int.Parse(blogid);
Article article = new Article();
DataSet ds= article.GetAllByBlogId(blogId, 1, numberOfPosts).PageDataSet;
DataRowCollection drs=ds.Tables[0].Rows;
ArrayList al = new ArrayList(drs.Count);
foreach (DataRow dr in drs)
{
Post post = new Post();
post.postid = dr["articleId"].ToString();
post.title = dr["subject"].ToString();
post.description = dr["Contents"].ToString();
post.categories = new string[] { dr["CategoryId"].ToString()};
al.Add(post);
}
return (Post[])al.ToArray(typeof(Post));
}
//实现文件上传
public MediaObjectUrl newMediaObject(string blogid, string username, string password, MediaObject mediaObject)
{
if (!ValidateUser(username, password)) throw new XmlRpcFaultException(0, "用户不存在");
Blog blog = new Blog();
BlogModel model = (BlogModel)blog.GetById(int.Parse(blogid));
string filename = HttpContext.Current.Server.MapPath("/data/" + model.UserId + "/" + mediaObject.name);
if (!Directory.Exists(Path.GetDirectoryName(filename)))
Directory.CreateDirectory(Path.GetDirectoryName(filename));
File.WriteAllBytes(filename, mediaObject.bits);
MediaObjectUrl mediaObjectUrl = new MediaObjectUrl();
mediaObjectUrl.url = "http://博客地址/data/" + model.UserId + "/" + mediaObject.name;
return mediaObjectUrl;
}
public bool deletePost(string appKey, string postid, string username, string password, bool publish)
{
if (!ValidateUser(username, password)) throw new XmlRpcFaultException(0, "用户不存在");
Article article = new Article();
article.Delete(int.Parse(postid));
return true;
}
public BlogInfo[] getUsersBlogs(string appKey, string username, string password)
{
if (!ValidateUser(username, password)) throw new XmlRpcFaultException(0, "用户不存在");
Blog blog = new Blog();
BlogModel model =(BlogModel) blog.GetByNickname(username);
BlogInfo bloginfo = new BlogInfo();
bloginfo.blogid = model.BlogId.ToString();
bloginfo.blogName = username;
bloginfo.url = http://博客地址/ + username;
return new BlogInfo[] { bloginfo };
}
public UserInfo getUserInfo(string appKey, string username, string password)
{
if(!ValidateUser(username,password)) throw new XmlRpcFaultException(0, "用户不存在");
Individual indi = new Individual();
IndividualModel model= indi.GetByNickName(username);
UserInfo userInfo = new UserInfo();
userInfo.nickname = model.Nickname;
userInfo.email = model.Account;
userInfo.userid = model.UserId.ToString();
return userInfo;
}
private Post ConvertModelToPost(ArticleModel model)
{
Post post = new Post();
post.postid = model.ArticleId.ToString();
post.title = model.Subject;
post.description = model.Contents;
post.categories = new string[] { model.CategoryId.ToString() };
return post;
}
private bool ValidateUser(string username, string password)
{
try
{
bool isLogin = Individual.LoginNickname(username, password);
return isLogin;
}
catch (Exception ex)
{
return false;
}
}
#endregion
}
}
这样就实现了博客支持客户端写作了
