public async Task <ImageResponse> GetImagesFromUrl(string url, CancellationToken cancellationToken)
{
ImageResponse imageResponse = null;
List <Image> images = new List <Image>();
try
{
using (var client = new WebClient())
{
string data = await client.DownloadStringTaskAsync(new Uri(url));
cancellationToken.ThrowIfCancellationRequested();
JObject token = JObject.Parse(data);
JObject paginationToken = JObject.FromObject(token.SelectToken("pagination"));
imageResponse = paginationToken.ToObject <ImageResponse>();
foreach (var tokenData in token.SelectToken("data"))
{
cancellationToken.ThrowIfCancellationRequested();
JObject jObject = JObject.FromObject(new { id = tokenData.SelectToken("id").Value <string>() });
JToken imageToken = tokenData.SelectToken("images").SelectToken("standard_resolution");
JObject imageObject = JObject.FromObject(imageToken);
JToken userDataToken = JObject.FromObject(tokenData.SelectToken("user"));
string fullName = userDataToken.SelectToken("full_name").Value <string>();
JObject userObject = JObject.FromObject(new
{
fullname = string.IsNullOrEmpty(fullName) ? userDataToken.SelectToken("username").Value <string>() : fullName,
username = userDataToken.SelectToken("username").Value <string>()
});
long created = tokenData.SelectToken("created_time").Value <long>();
var dt = new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc);
dt = dt.AddSeconds(created).ToLocalTime();
JObject dateObject = JObject.FromObject(new
{
createdtime = dt.Ticks
});
JObject profilepictureObject = JObject.FromObject(new { profilepictureobject = userDataToken.SelectToken("profile_picture").Value <string>() });
JObject avatarData = JObject.FromObject(new
{
profilepicturedata = await client.DownloadDataTaskAsync(new Uri(userDataToken.SelectToken("profile_picture").Value <string>()))
});
JObject dataObject = JObject.FromObject(new
{
data = await client.DownloadDataTaskAsync(new Uri(imageObject.SelectToken("url").Value <string>()))
});
jObject.Merge(imageObject);
jObject.Merge(dataObject);
jObject.Merge(userObject);
jObject.Merge(dateObject);
jObject.Merge(profilepictureObject);
jObject.Merge(avatarData);
images.Add(jObject.ToObject <Image>());
}
imageResponse.Images = images;
}
}
catch (OperationCanceledException ex)
{
//TODO запись в лог
EventLog.WriteEntry("InstagramService", ex.Message, EventLogEntryType.Warning);
return(default(ImageResponse));
}
return(imageResponse);
}
public async Task <ImageResponse> GetImagesByUserName(string userName, string minTagId, CancellationToken cancellationToken)
{
if (string.IsNullOrEmpty(userName))
{
return(await Task.FromResult <ImageResponse>(null));
}
string userSearchUrl = string.Format(@"https://api.instagram.com/v1/users/search?q={0}&client_id={1}", userName, cClientToken);
ImageResponse imageResponse = null;
List <Image> images = new List <Image>();
try
{
using (var client = new WebClient())
{
string userData = await client.DownloadStringTaskAsync(new Uri(userSearchUrl));
cancellationToken.ThrowIfCancellationRequested();
JObject dataToken = JObject.Parse(userData);
JToken child = dataToken.SelectToken("data").Children().FirstOrDefault();
if (child != null)
{
string dataRetrieveUrl = string.Format(@"https://api.instagram.com/v1/users/{0}/media/recent?client_id={1}{2}",
child.SelectToken("id").Value <string>(),
cClientToken,
string.IsNullOrEmpty(minTagId) ? string.Empty : string.Format("&min_tag_id={0}", minTagId));
return(await GetImagesFromUrl(dataRetrieveUrl, cancellationToken));
string data = await client.DownloadStringTaskAsync(new Uri(dataRetrieveUrl));
JObject token = JObject.Parse(data);
JObject paginationToken = JObject.FromObject(token.SelectToken("pagination"));
imageResponse = paginationToken.ToObject <ImageResponse>();
foreach (var tokenData in token.SelectToken("data"))
{
JObject jObject = JObject.FromObject(new { id = tokenData.SelectToken("id").Value <string>() });
JToken imageToken = tokenData.SelectToken("images").SelectToken("standard_resolution");
JObject imageObject = JObject.FromObject(imageToken);
JObject dataObject = JObject.FromObject(new
{
data = await client.DownloadDataTaskAsync(new Uri(imageObject.SelectToken("url").Value <string>()))
});
jObject.Merge(imageObject);
jObject.Merge(dataObject);
images.Add(jObject.ToObject <Image>());
}
imageResponse.Images = images;
return(imageResponse);
}
else
{
throw new InvalidOperationException("Пользователь не найден");
}
}
}
catch (Exception)
{
}
return(await Task.FromResult <ImageResponse>(null));
}
