public static string AddFriend(int userId, string accessToken)
{
var api = new VKAPI(accessToken);
var queryIsMyfriend = new NameValueCollection();
queryIsMyfriend["user_ids"] = userId.ToString();
queryIsMyfriend["need_sign"] = "1";
var isMyfriend = api.ExecuteCommand(Constants.IS_MY_FRIEND, queryIsMyfriend);
var data = JsonConvert.DeserializeObject<RootJson>(isMyfriend);
if (data.response != null)
{
// check: this user isn't my friend yet
var response = data.response.FirstOrDefault();
if (response != null && response.friend_status == "0")
{
var queryString = new NameValueCollection();
queryString["user_id"] = userId.ToString();
queryString["text"] = Constants.ADDFRIEND_TEXT;
var addToFriends = api.ExecuteCommand(Constants.ADD_TO_MYFRIENDS, queryString);
return addToFriends;
}
}
return "-1";
}
private IEnumerable<int> GetFriends(string accessToken)
{
var friends = new List<int>();
var api = new VKAPI(accessToken);
string jsonString = api.ExecuteCommand(Constants.GET_FRIENDS, null);
var json = JObject.Parse(jsonString);
friends.AddRange(((JArray)json["response"]).Select(friend => (int)friend));
return friends;
}
private bool IsMember(int userId, string groupId, string accessToken)
{
var api = new VKAPI(accessToken);
var queryString = new NameValueCollection();
queryString["group_id"] = groupId;
queryString["user_id"] = userId.ToString();
string jsonString = api.ExecuteCommand(Constants.IS_MEMBER, queryString);
var json = JObject.Parse(jsonString);
return (bool)json["response"];
}
private void Invite(int userId, string groupId, string accessToken)
{
var api = new VKAPI(accessToken);
var queryString = new NameValueCollection();
queryString["group_id"] = groupId;
queryString["user_id"] = userId.ToString();
api.ExecuteCommand(Constants.INVITE_FRIEND, queryString);
}
private void GetInvitedUsers(string groupId, string accessToken)
{
var take = 1000;
var offset = 0;
var users = new List<int>();
var api = new VKAPI(accessToken);
var queryString = new NameValueCollection();
queryString["group_id"] = groupId;
queryString["count"] = "1";
string jsonString = api.ExecuteCommand(Constants.GET_INVITED_USERS, queryString);
var json = JObject.Parse(jsonString);
count = (int)json["response"][0];
while (offset <= count)
{
Thread.Sleep(500);
queryString["count"] = take.ToString();
queryString["offset"] = offset.ToString();
jsonString = api.ExecuteCommand(Constants.GET_INVITED_USERS, queryString);
json = JObject.Parse(jsonString);
for (int i = 1; i <= count; i++)
{
users.Add((int)json["response"][i]["uid"]);
}
offset = offset + take + 1;
}
_invitedUsers = users;
}
private List<int> GetGroupMembers(string groupId, string accessToken)
{
var take = 1000;
var offset = 0;
var items = new List<int>();
var api = new VKAPI(accessToken);
var queryString = new NameValueCollection();
queryString["group_id"] = groupId;
queryString["count"] = "1";
string jsonString = api.ExecuteCommand(Constants.GET_MEMBERS, queryString);
var json = JObject.Parse(jsonString);
count = (int)json["response"]["count"];
while (offset <= count)
{
Thread.Sleep(500);
queryString["count"] = take.ToString();
queryString["offset"] = offset.ToString();
jsonString = api.ExecuteCommand(Constants.GET_MEMBERS, queryString);
json = JObject.Parse(jsonString);
items.AddRange(((JArray)json["response"]["users"]).Select(item => (int)item));
offset = offset + take+1;
}
return items;
}
