public static string GetPreviewSizePhotoURL(this VkNet.Model.Attachments.Photo self)
{
// Берём какое-нибудь среднее изображение из всех возможных размеров
var chunk = self.Sizes.Take(3);
return(chunk.Last() != null?chunk.Last().Url.ToString() : string.Empty);
}
public static string GetMaxSizePhotoURL(this VkNet.Model.Attachments.Photo self)
{
return(self.Sizes.Last() != null?self.Sizes.Last().Url.ToString() : string.Empty);
}
public void WallPost(long groupid, DateTime postDate, string hashtags, ContentForUploadInfo contentInfo, Poll poll, Location location)
{
List <VkNet.Model.Attachments.MediaAttachment> attList = new List <VkNet.Model.Attachments.MediaAttachment>();
// добавление опроса в аттач
var polls = _api.PollsCategory.Create(
new PollsCreateParams {
Question = poll.Question,
AddAnswers = poll.Answers,
OwnerId = -groupid
});
attList.Add(polls);
// загрузка картинки
if (contentInfo.IsPhoto())
{
var uploadServer = _api.Photo.GetWallUploadServer(groupid);
var wc = new WebClient();
var responseFile = Encoding.ASCII.GetString(wc.UploadFile(uploadServer.UploadUrl, contentInfo.FullName));
if (location != null)
{
var jsonResponseFile = JsonConvert.DeserializeObject <dynamic>(responseFile);
VkNet.Utils.VkParameters param = new VkNet.Utils.VkParameters
{
{ "group_id", groupid },
{ "photo", jsonResponseFile["photo"] },
{ "server", jsonResponseFile["server"] },
{ "hash", jsonResponseFile["hash"] },
{ "latitude", location.Latitude },
{ "longitude", location.Longitude },
};
var saveWallPhotoResponse = _api.Call("photos.saveWallPhoto", param);
var jsonSaveWallPhotoResponse = JsonConvert.DeserializeObject <dynamic>(saveWallPhotoResponse.RawJson)["response"][0];
VkNet.Model.Attachments.Photo photo = new VkNet.Model.Attachments.Photo()
{
Id = jsonSaveWallPhotoResponse["id"],
OwnerId = jsonSaveWallPhotoResponse["owner_id"],
AccessKey = jsonSaveWallPhotoResponse["access_key"]
};
List <PhotoSize> psLst = new List <PhotoSize>();
foreach (var photoSize in jsonSaveWallPhotoResponse["sizes"])
{
PhotoSize ps = new PhotoSize()
{
Type = _getPhotoSizeType(photoSize.type.ToString()),
Height = photoSize.height,
Url = photoSize.url,
Width = photoSize.width,
};
psLst.Add(ps);
}
photo.Sizes = new System.Collections.ObjectModel.ReadOnlyCollection <PhotoSize>(psLst);
photo.Latitude = location.Latitude;
photo.Longitude = location.Longitude;
attList.Add(photo);
}
else
{
System.Collections.ObjectModel.ReadOnlyCollection <VkNet.Model.Attachments.Photo> photos = _api.Photo.SaveWallPhoto(responseFile,
null,
(ulong)groupid);
foreach (var element in photos)
{
attList.Add(element);
}
}
}
// загрузка видео
if (contentInfo.IsVideo())
{
var video = _api.Video.Save(new VkNet.Model.RequestParams.VideoSaveParams
{
IsPrivate = false,
Repeat = false,
Description = hashtags,
Name = contentInfo.Name
});
var wc = new WebClient();
var responseFile = Encoding.ASCII.GetString(wc.UploadFile(video.UploadUrl, contentInfo.FullName));
attList.Add(video);
}
var postParams = new WallPostParams()
{
OwnerId = -groupid,
Message = hashtags,
PublishDate = postDate,
Attachments = attList
};
if (location != null)
{
postParams.Long = location.Longitude;
postParams.Lat = location.Latitude;
}
_api.Wall.Post(postParams);
}
