public async Task <VkNewsResponse> Get(string sourceIds = null, string filters = null, int count = 0, string startFrom = null)
{
var parameters = new Dictionary <string, string>();
if (!string.IsNullOrEmpty(sourceIds))
{
parameters.Add("source_ids", sourceIds);
}
if (!string.IsNullOrEmpty(filters))
{
parameters.Add("filters", filters);
}
if (count > 0)
{
parameters.Add("count", count.ToString());
}
if (!string.IsNullOrEmpty(startFrom))
{
parameters.Add("start_from", startFrom);
}
_vkontakte.SignMethod(parameters);
var response = await VkRequest.GetAsync(VkConst.MethodBase + "newsfeed.get", parameters);
if (response.SelectToken("response.items") != null)
{
var result = new VkNewsResponse((from n in response["response"]["items"] select VkNewsEntry.FromJson(n)).ToList());
if (response["response"]["profiles"] != null)
{
var users = (from n in response["response"]["profiles"] select VkProfile.FromJson(n)).ToList();
foreach (var entry in result.Items)
{
entry.Author = users.FirstOrDefault(u => u.Id == entry.SourceId);
}
}
if (response["response"]["groups"] != null)
{
var groups = (from n in response["response"]["groups"] select VkGroup.FromJson(n)).ToList();
foreach (var entry in result.Items.Where(e => e.Author == null))
{
entry.Author = groups.FirstOrDefault(g => g.Id == Math.Abs(entry.SourceId));
}
}
if (response["response"]["next_from"] != null)
{
result.NextFrom = response["response"]["next_from"].Value <string>();
}
return(result);
}
return(null);
}
public static VkNewsEntry FromJson(JToken json)
{
if (json == null)
{
throw new ArgumentException("Json can not be null.");
}
var result = new VkNewsEntry();
if (json["post_id"] != null)
{
result.Id = json["post_id"].Value <long>();
}
if (json["type"] != null)
{
result.Type = json["type"].Value <string>();
}
if (json["source_id"] != null)
{
result.SourceId = json["source_id"].Value <long>();
}
if (json["date"] != null)
{
result.Date = DateTimeExtensions.UnixTimeStampToDateTime(json["date"].Value <long>());
}
if (json["text"] != null)
{
result.Text = WebUtility.HtmlDecode(json["text"].Value <string>());
result.Text = result.Text.Replace("<br>", Environment.NewLine);
}
if (json["attachments"] != null)
{
result.Attachments = new List <VkAttachment>();
foreach (var a in json["attachments"])
{
switch (a["type"].Value <string>())
{
case "audio":
result.Attachments.Add(VkAudioAttachment.FromJson(a["audio"]));
break;
case "photo":
result.Attachments.Add(VkPhotoAttachment.FromJson(a["photo"]));
break;
}
}
}
if (json["copy_history"] != null)
{
result.CopyHistory = new List <VkNewsEntry>();
foreach (var p in json["copy_history"])
{
var post = VkNewsEntry.FromJson(p);
if (post != null)
{
result.CopyHistory.Add(post);
}
}
}
if (json["comments"] != null)
{
result.CommentsCount = json["comments"]["count"].Value <long>();
result.CanWriteComment = json["comments"]["can_post"].Value <int>() == 1;
}
return(result);
}
