private List <Post> GetPosts(VkWallParametersModel model)
{
var posts = new List <Post>();
var count = model.InnerStep;
if (model.InnerStep > 100)
{
count = 100;
}
// получить список всех постов на стене сообщества
for (var cycleNumber = 0; cycleNumber < model.CyclesCount; cycleNumber++)
{
try
{
var requestString = _vkUrlService.GetWallPosts(cycleNumber * count, count, model.GroupId, AccessToken);
var postsJson = _vkBaseService.GetJsonFromResponse(_vkWallRequestService.Request(requestString));
var currentIteration = JsonConvert.DeserializeObject <List <Post> >(postsJson);
posts.AddRange(currentIteration);
}
catch (Exception exception)
{
Logger.Error("Error in GetPosts: {0}", exception.Message);
}
}
return(posts);
}
private IEnumerable <XDocument> GetPosts(VkWallParametersModel model)
{
var posts = new List <XDocument>();
var count = model.InnerStep;
if (model.InnerStep > 100)
{
count = 100;
}
// получить список всех постов на стене сообщества
for (var cycleNumber = 0; cycleNumber < model.CyclesCount; cycleNumber++)
{
try
{
var currentIteration = RequestService.GetWallPosts(cycleNumber * count, count, model.GroupId, AccessToken);
posts.Add(currentIteration);
}
catch (Exception exception)
{
Logger.Error("Error in GetPosts: {0}", exception.Message);
}
}
return(posts);
}
private IEnumerable <string> GetAllGroupUsers(VkWallParametersModel model)
{
var users = new List <string>();
var userCounts = GetAllGroupUsersCount(model.GroupId);
var cyclesCount = userCounts / 1000 + 1;
// получить список всех постов на стене сообщества
for (var cycleNumber = 0; cycleNumber < cyclesCount; cycleNumber++)
{
var tryAgain = true;
while (tryAgain)
{
try
{
var currentIteration = RequestService.GetGroupUsers(cycleNumber * 1000, 1000, model.GroupId, AccessToken);
var usersList =
currentIteration.Document.Element("response")
.Element("users")
.Elements("uid")
.Select(element => element.Value);
users.AddRange(usersList);
tryAgain = false;
Thread.Sleep(1000);
}
catch (Exception exception)
{
Logger.Error("Error in GetAllGroupUsers: {0}", exception.Message);
}
}
}
return(users);
}
private IEnumerable <string> GetExcludeUserList(string groupId, DateTime startDate)
{
var maxCount = GetPostsCount(groupId);
var cc = (decimal)maxCount / 100;
var allPostsParametersModel = new VkWallParametersModel()
{
InnerStep = 100,
OuterStep = 0,
GroupId = groupId,
CyclesCount = (int)Math.Ceiling((double)cc)
};
var allPostsXDoc = GetPosts(allPostsParametersModel); //все посты
var allRawPosts = GetRawPostsFromXml(allPostsXDoc);
var allActiveUsers = GetAlreadyActiveUsers(allRawPosts, startDate, groupId).Distinct().ToList();
return(allActiveUsers);
}
private VkWallParametersModel PrepareParameters(string groupId, DateTime startDate, DateTime endDate)
{
var needToParseCount = (endDate - startDate).Days * 4;
var parametersModel = new VkWallParametersModel
{
// Внутренний шаг для поиска постов, параметр count
InnerStep = 100,
// Внешний шаг для пропуска ненужных постов, параметр offset
OuterStep = (DateTime.Now - endDate).Days,
GroupId = groupId,
CyclesCount = 1
};
if (needToParseCount > 100)
{
var cc = (decimal)needToParseCount / 100;
parametersModel.CyclesCount = (int)Math.Ceiling((double)cc) * 3;
}
return(parametersModel);
}
