/// <summary>
/// 获取TOP 50推荐列表
/// </summary>
/// <returns></returns>
public async Task <ConcurrentQueue <string> > getRallist()
{
string rall;
ConcurrentQueue <string> queue = new ConcurrentQueue <string>();
HttpUtil top50 = new HttpUtil(RALL_URL, HttpUtil.Contype.JSON);
rall = await top50.GetDataAsync();
if (!rall.Equals("ERROR"))
{
dynamic o = JObject.Parse(rall);
JArray arr = o.contents;
foreach (JToken j in arr)
{
queue.Enqueue(j["illust_id"].ToString());
}
}
else
{
string title = "获取插画队列时发生错误";
string content = " ";
ToastManagement tm = new ToastManagement(title, content, ToastManagement.ErrorMessage);
tm.ToastPush(60);
}
return(queue);
}
/// <summary>
/// 使用PixivCS API进行插画下载
/// </summary>
/// <param name="img"></param>
/// <returns>是否成功下载插画</returns>
public async Task <bool> downloadImgV2(ImageInfo img)
{
try
{
using (Stream resStream = await(await new PixivAppAPI(baseAPI).RequestCall("GET",
img.imgUrl, new Dictionary <string, string>()
{
{ "Referer", "https://app-api.pixiv.net/" }
})).
Content.ReadAsStreamAsync())
{
StorageFile file = await ApplicationData.Current.LocalFolder.CreateFileAsync(img.imgId, CreationCollisionOption.OpenIfExists);
using (Stream writer = await file.OpenStreamForWriteAsync())
{
await resStream.CopyToAsync(writer);
return(true);
}
}
}
catch (Exception)
{
//使UI线程调用lambda表达式内的方法
/*await MainPage.mp.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, async () =>
* {
* //UI code here
* MessageDialog dialog = new MessageDialog("");
* dialog.Content = "获取插画时发生未知错误";
* await dialog.ShowAsync();
* });*/
string title = "下载插画时发生未知错误";
string content = " ";
ToastManagement tm = new ToastManagement(title, content, ToastManagement.ErrorMessage);
tm.ToastPush(60);
return(false);
}
}
/// <summary>
/// 使用PixivCS API的选择方法
/// </summary>
/// <returns></returns>
public async Task <ImageInfo> SelectArtWorkV2()
{
await ListUpdateV2();
ImageInfo img = null;
if (likeV2 != null && likeV2.Count != 0)
{
while (true)
{
likeV2.TryDequeue(out img);
if (img != null && img.WHratio >= 1.33 && !img.isR18)
{
if (!await pixiv.downloadImgV2(img)) //当获取插画失败时返回null
{
img = null;
}
break;
}
}
}
else
{
//使UI线程调用lambda表达式内的方法
/*await MainPage.mp.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, async () =>
* {
* //UI code here
* MessageDialog dialog = new MessageDialog("更新推荐列表失败");
* await dialog.ShowAsync();
* });*/
string title = "获取pixiv推荐列表失败";
string content = " ";
ToastManagement tm = new ToastManagement(title, content, ToastManagement.ErrorMessage);
tm.ToastPush(60);
}
return(img);
}
/// <summary>
/// 插画下载方法
/// </summary>
/// <param name="userid">插画作者ID</param>
/// <param name="imgid">插画ID</param>
/// <returns>插画存储地址</returns>
public async Task <string> ImageDownloadAsync(string imgid)
{
//应访问一次插画展示页使pixiv记录一次浏览数以尊重他人成果
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(referrer);
request.Method = "GET";
request.Accept = contype[(int)dataType];
request.Headers["Cookie"] = cookie;
request.Headers["Referer"] = "https://www.pixiv.net/discovery";
await request.GetResponseAsync();
//正式开始获取插画原图
request = (HttpWebRequest)WebRequest.Create(url);
request.Method = "GET";
request.Accept = contype[(int)dataType];
request.Headers["Cookie"] = cookie;
request.Headers["Referer"] = referrer;
try
{
//判断文件夹中是否已存在该插画，若存在则直接返回该插画
if (await ApplicationData.Current.LocalFolder.TryGetItemAsync(imgid + ".jpg") != null)
{
return(imgid);
}
else
{
HttpWebResponse response = (HttpWebResponse)await request.GetResponseAsync();
if (response.StatusCode == HttpStatusCode.OK)
{
using (Stream res = response.GetResponseStream())
{
StorageFile file = await ApplicationData.Current.LocalFolder.CreateFileAsync(imgid + ".jpg", CreationCollisionOption.ReplaceExisting);
using (Stream writer = await file.OpenStreamForWriteAsync())
{
await res.CopyToAsync(writer);
return(imgid);
}
}
}
else
{
string title = "获取插画时连接失败";
string content = "尝试从pixiv下载插画时连接超时，请检查网络连接";
ToastManagement tm = new ToastManagement(title, content, ToastManagement.ErrorMessage);
tm.ToastPush(60);
return("ERROR");
}
}
}
catch (Exception)
{
string title = "获取插画时连接中断";
string content = "在从pixiv服务器下载插画时连接中断，请检查网络连接";
ToastManagement tm = new ToastManagement(title, content, ToastManagement.ErrorMessage);
tm.ToastPush(60);
return("ERROR");
}
}
/// <summary>
/// 使用Web模拟登录的选择方式
/// </summary>
/// <returns></returns>
public async Task <ImageInfo> SelectArtWorkV1()
{
if (pixiv.token == null || pixiv.token.Equals(""))
{
if (c.token.Equals(""))
{
if (!await pixiv.getToken(c.cookie)) //getToken不成功，返回null
{
return(null);
}
else //getToken成功，将token写入配置文件
{
c.cookie = pixiv.cookie;
c.token = pixiv.token;
}
}
else //配置文件中已有token，直接调用(可能出现token过期情况)
{
pixiv.cookie = c.cookie;
pixiv.token = c.token;
}
}
await ListUpdateV1();
ImageInfo img = null;
if (like != null && like.Count != 0)
{
while (true)
{
string id = "";
if (like.TryDequeue(out id))
{
img = await pixiv.getImageInfo(id);
}
if (img != null && img.WHratio >= 1.33 && !img.isR18)
{
if (!await pixiv.downloadImg(img)) //当获取插画失败时返回null
{
img = null;
}
break;
}
}
}
else
{
//使UI线程调用lambda表达式内的方法
/*await MainPage.mp.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, async () =>
* {
* //UI code here
* MessageDialog dialog = new MessageDialog("更新推荐列表失败");
* await dialog.ShowAsync();
* });*/
string title = "获取pixiv推荐列表失败";
string content = "请检查网络连接，并尝试清理cookie与token";
ToastManagement tm = new ToastManagement(title, content, ToastManagement.ErrorMessage);
tm.ToastPush(60);
}
return(img);
}