public async void ScanHomePage(Recommender r)
{
await Windows.System.Launcher.LaunchUriAsync(new Uri(_home_page + r.Zhihu_URL_Token));
}
/// <summary>
/// 获取文章的推荐者
/// </summary>
/// <param name="story_id"></param>
/// <returns></returns>
public async Task<List<Recommender>> GetRecommenders(string story_id)
{
try
{
if (NetworkManager.Current.Network == 4)
{
List<Recommender> lr = await FileHelper.Current.ReadObjectAsync<List<Recommender>>(story_id + "_recommenders.json");
return lr;
}
else
{
string url = string.Format(ServiceURL.Recommenders, story_id);
JsonObject json = await GetJson(url);
if (json != null)
{
List<Recommender> list = new List<Recommender>();
string avatar = "", bio = "", id, name, zhihu_url_token = "";
JsonArray ja = null;
if (json.ContainsKey("items") && json["items"].GetArray().Count > 0)
{
ja = json["items"].GetArray()[0].GetObject()["recommenders"].GetArray();
}
else
{
ja = json["editors"].GetArray();
}
WriteableBitmap wb; string image_ext = "jpg"; string[] sitem = null;
foreach (var jv in ja)
{
json = jv.GetObject();
avatar = ""; bio = ""; zhihu_url_token = "";
if (json.ContainsKey("avatar"))
{
avatar = json["avatar"].GetString();
}
if (json.ContainsKey("bio"))
{
bio = json["bio"].GetString();
}
if (json.ContainsKey("zhihu_url_token"))
{
zhihu_url_token = json["zhihu_url_token"].GetString();
}
id = json["id"].GetNumber().ToString();
name = json["name"].GetString();
Recommender tmp = new Recommender { Avatar = avatar, Bio = bio, ID = id, Name = name, Zhihu_URL_Token = zhihu_url_token };
if (!await FileHelper.Current.CacheExist(tmp.ID + "_recommender_avatar." + image_ext)) //没有缓存
{
wb = await GetImage(tmp.Avatar);
if (!tmp.Avatar.Equals(""))
{
sitem = tmp.Avatar.Split('.');
image_ext = sitem[sitem.Count() - 1];
}
await FileHelper.Current.SaveImageAsync(wb, tmp.ID + "_recommender_avatar." + image_ext); //保存图片
}
if (!tmp.Avatar.Equals(""))
{
tmp.Avatar = _local_path + "\\images_cache\\" + tmp.ID + "_recommender_avatar." + image_ext; //图片路径重定向
}
list.Add(tmp);
}
await FileHelper.Current.WriteObjectAsync<List<Recommender>>(list, story_id + "_recommenders.json");
return list;
}
else
{
return null;
}
}
}
catch
{
return null;
}
}