public static VkWallEntry FromJson(JToken json)
{
if (json == null)
{
throw new ArgumentException("Json can not be null.");
}
var result = new VkWallEntry();
result.Id = json["id"].Value <double>();
if (json["text"] != null)
{
result.Text = WebUtility.HtmlDecode(json["text"].Value <string>());
result.Text = result.Text.Replace("<br>", Environment.NewLine);
}
if (json["from_id"] != null)
{
result.SourceId = json["from_id"].Value <long>();
}
if (json["date"] != null)
{
result.Date = DateTimeExtensions.UnixTimeStampToDateTime(json["date"].Value <long>());
}
if (json["attachments"] != null)
{
result.Attachments = VkAttachment.FromJson(json["attachments"]);
}
if (json["copy_history"] != null)
{
result.CopyHistory = new List <VkWallEntry>();
foreach (var p in json["copy_history"])
{
try
{
var post = VkWallEntry.FromJson(p);
if (post != null)
{
result.CopyHistory.Add(post);
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
}
}
return(result);
}
public static VkWallEntry FromJson(JToken json)
{
if (json == null)
throw new ArgumentException("Json can not be null.");
var result = new VkWallEntry();
result.Id = json["id"].Value<double>();
if (json["text"] != null)
{
result.Text = WebUtility.HtmlDecode(json["text"].Value<string>());
result.Text = result.Text.Replace("<br>", Environment.NewLine);
}
if (json["from_id"] != null)
result.SourceId = json["from_id"].Value<long>();
if (json["date"] != null)
result.Date = DateTimeExtensions.UnixTimeStampToDateTime(json["date"].Value<long>());
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<VkWallEntry>();
foreach (var p in json["copy_history"])
{
try
{
var post = VkWallEntry.FromJson(p);
if (post != null)
result.CopyHistory.Add(post);
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
}
}
return result;
}
public async Task <VkItemsResponse <VkWallEntry> > Get(long ownerId, string filter, int count = 0, int offset = 0)
{
if (_vkontakte.AccessToken == null || string.IsNullOrEmpty(_vkontakte.AccessToken.Token) || _vkontakte.AccessToken.HasExpired)
{
throw new Exception("Access token is not valid.");
}
var parameters = new Dictionary <string, string>();
if (ownerId != 0)
{
parameters.Add("owner_id", ownerId.ToString());
}
if (!string.IsNullOrEmpty(filter))
{
parameters.Add("filter", filter);
}
if (count > 0)
{
parameters.Add("count", count.ToString());
}
if (offset > 0)
{
parameters.Add("offset", offset.ToString());
}
parameters.Add("extended", "1");
_vkontakte.SignMethod(parameters);
var response = await new VkRequest(new Uri(VkConst.MethodBase + "wall.get"), parameters).Execute();
VkErrorProcessor.ProcessError(response);
if (response.SelectToken("response.items") != null)
{
var result = new VkItemsResponse <VkWallEntry>();
result.Items = (from p in response["response"]["items"] where p.HasValues select VkWallEntry.FromJson(p)).ToList();
result.TotalCount = response["response"]["count"].Value <int>();
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));
}
}
return(result);
}
return(null);
}
