public StoryCommentViewModel(string story_id, StoryExtra extra)
{
_story_id = story_id;
_se = extra;
Update();
}
/// <summary>
/// 获取文章额外信息
/// </summary>
/// <param name="story_id"></param>
/// <returns></returns>
public async Task<StoryExtra> GetStoryExtra(string story_id)
{
try
{
if (NetworkManager.Current.Network == 4)
{
StoryExtra se = await FileHelper.Current.ReadObjectAsync<StoryExtra>(story_id + "_story_extra.json");
return se;
}
else
{
string url = string.Format(ServiceURL.StoryExtra, story_id);
JsonObject json = await GetJson(url);
if (json != null)
{
string comments = json["comments"].GetNumber().ToString();
string long_comments = json["long_comments"].GetNumber().ToString();
string short_comments = json["short_comments"].GetNumber().ToString();
string popularity = json["popularity"].GetNumber().ToString();
bool favorite = DataShareManager.Current.FavoriteList.Contains(story_id) ? true : false;
StoryExtra tmp = new StoryExtra { Comments = comments, LongComments = long_comments, Polularity = popularity, ShortComments = short_comments, Favorite = favorite };
await FileHelper.Current.WriteObjectAsync<StoryExtra>(tmp, story_id + "_story_extra.json");
return tmp;
}
else
{
return null;
}
}
}
catch
{
return null;
}
}
public async void Update()
{
IsLoading = true;
var t1 = _api.GetStoryContent(_story_id);
var t2 = _api.GetStoryExtra(_story_id);
StoryContent sc = await t1;
StoryExtra se = await t2;
if (sc != null)
{
ID = sc.ID;
Title = sc.Title;
Image = sc.Image;
ImageSource = sc.Image_Source;
RecommenderAvatars = sc.RecommnderAvatars;
ShareUrl = sc.Share_URL;
string css = "<style>"
+ "html{-ms-content-zooming:none;font-family:微软雅黑;}"
+ ".author{font-weight:bold;} .bio{color:gray;}"
+ "body{padding:20px;word-break:break-all;} p{margin:30px auto;} a{color:skyblue;} .content img{width:95%;}"
+ "body{line-height:150%;}"
+ "</style>"; //基础css
string ex_mark = "<base target='_blank'/>";
string css2 = ""; //主题css
string css3 = ""; //字体css
string js = ""; //图片加载脚本
string body = "";
if (DataShareManager.Current.APPTheme == Windows.UI.Xaml.ElementTheme.Dark) //夜间主题
{
css2 = "<style>"
+ "body{background-color:black !important;color:gray !important;}"
+ "</style>";
}
else
{
css2 = "";
}
if (DataShareManager.Current.BigFont) //大字号
{
css3 = "<style>body{font-size:52px;} h1{font-size:62px;} h2{font-size:58px;} h3{font-size:52px;} h4,h5,h6{font-size:48px;}</style>";
}
else
{
css3 = "<style>body{font-size:44px;} h1{font-size:55px;} h2{font-size:50px;} h3{font-size:45px;} h4,h5,h6{font-size:40px;}</style>";
}
if (DataShareManager.Current.NOImagesMode) //无图模式
{
if (NetworkManager.Current.Network != 3) //非wifi
{
body = Regex.Replace(sc.Body, @"<img.*?src=(['""]?)(?<url>[^'"" ]+)(?=\1)[^>]*>", (m) =>
{
if (m.Value.Contains("avatar"))
{
return m.Value;
}
else
{
Match match = Regex.Match(m.Value.ToString(), @"<img\b[^<>]*?\bsrc[\s\t\r\n]*=[\s\t\r\n]*[""']?[\s\t\r\n]*(?<imgUrl>[^\s\t\r\n""'<>]*)[^<>]*?/?[\s\t\r\n]*>");
if (match.Success)
{
return @"<img src=""ms-appx-web:///Assets/default_image.png"" onclick=""click2loadimage(this,'" + match.Groups["imgUrl"].Value + @"');""/>";
}
else
{
return m.Value;
}
}
}, RegexOptions.IgnoreCase); //替换所有img标签 为本地图片
js = "<script>" //点击加载图片
+ "function click2loadimage(obj,source)"
+ "{"
+ "obj.setAttribute('src','ms-appx-web:///Assets/default_image_loading.png');"
+ "obj.setAttribute('src',source);"
+ "}"
+ "</script>";
}
else
{
body = sc.Body;
}
}
else
{
body = sc.Body;
}
// <link rel='stylesheet' type='text/css' href='" + sc.CSS + "'/> 官方css文件不好控制 所以没有使用
//合并
BodyHtml = "<html><head>" + ex_mark + css + css2 + css3 + js + "</head>" + "<body>" + body + "</body></html>"; //附加css
}
if (se != null)
{
Comments = se.Comments;
Popularities = se.Polularity;
Favorite = se.Favorite;
_se = se;
}
IsLoading = false;
}