/// <summary>
/// Разобрать из json.
/// </summary>
/// <param name="response">Ответ сервера.</param>
/// <returns></returns>
public static WallGetObject FromJson(VkResponse response)
{
WallGetObject wallGetObject;
if (response.ContainsKey("items"))
{
wallGetObject = new WallGetObject
{
WallPosts = response["items"].ToReadOnlyCollectionOf <Post>(r => r),
Profiles = response["profiles"].ToReadOnlyCollectionOf <User>(r => r),
Groups = response["groups"].ToReadOnlyCollectionOf <Group>(r => r),
TotalCount = response["count"] ?? 1UL
};
}
else
{
wallGetObject = new WallGetObject
{
WallPosts = response.ToReadOnlyCollectionOf <Post>(r => r)
};
wallGetObject.TotalCount = (ulong)wallGetObject.WallPosts.Count;
}
return(wallGetObject);
}
/// <summary>
/// Разобрать из json.
/// </summary>
/// <param name="response">Ответ сервера.</param>
/// <returns></returns>
internal static WallGetObject FromJson(VkResponse response)
{
WallGetObject wallGetObject;
if (response.ContainsKey("items"))
{
wallGetObject = new WallGetObject
{
WallPosts = response["items"].ToReadOnlyCollectionOf <Post>(r => r),
Profiles = response["profiles"].ToReadOnlyCollectionOf <User>(r => r),
Groups = response["groups"].ToReadOnlyCollectionOf <Group>(r => r)
};
if (response["count"] != null)
{
wallGetObject.TotalCount = response["count"];
}
else
{
wallGetObject.TotalCount = 1;
}
}
else
{
wallGetObject = new WallGetObject
{
WallPosts = response.ToReadOnlyCollectionOf <Post>(r => r)
};
}
return(wallGetObject);
}
/// <summary>
/// Разобрать из json.
/// </summary>
/// <param name="response">Ответ сервера.</param>
/// <returns></returns>
internal static WallGetObject FromJson(VkResponse response)
{
var wallGetObject = new WallGetObject
{
TotalCount = response["count"],
WallPosts = response["items"].ToReadOnlyCollectionOf <Post>(r => r),
Profiles = response["profiles"].ToReadOnlyCollectionOf <User>(r => r),
Groups = response["groups"].ToReadOnlyCollectionOf <Group>(r => r)
};
return(wallGetObject);
}
/// <summary>
/// Разобрать из json.
/// </summary>
/// <param name="response">Ответ сервера.</param>
/// <returns></returns>
internal static WallGetObject FromJson(VkResponse response)
{
WallGetObject wallGetObject;
if (response.ContainsKey("items"))
{
wallGetObject = new WallGetObject
{
TotalCount = response["count"],
WallPosts = response["items"].ToReadOnlyCollectionOf<Post>(r => r),
Profiles = response["profiles"].ToReadOnlyCollectionOf<User>(r => r),
Groups = response["groups"].ToReadOnlyCollectionOf<Group>(r => r)
};
}
else
{
wallGetObject = new WallGetObject
{
WallPosts = response.ToReadOnlyCollectionOf<Post>(r => r)
};
}
return wallGetObject;
}
public static Task<List<Post>> FilterPostsAsync(WallGetObject wall, WallLoadParametrs p, long thresholdId = long.MaxValue)
{
return Task.Run(() => { return FilterPosts(wall, p, thresholdId); });
}
/// <summary>
/// Выделить из полученных записей те, что удовлетворяют условиям
/// </summary>
/// <param name="wall">Стена с записями</param>
/// <param name="thresholdId">Верхняя граница, до которой записи уже были загружены</param>
/// <param name="lastDateToLoad">Дата и время, до которого нужно выбрать посты</param>
/// <param name="lastPostToLoad">Последний пост, который нужно выбрать</param>
/// <returns></returns>
public static List<Post> FilterPosts(WallGetObject wall, WallLoadParametrs p, long thresholdId = long.MaxValue)
{
var posts = wall.WallPosts;
if (posts.Count > 0)
{
int startIndex = 0;
int endIndex = posts.Count - 1;
if (posts[0].IsPinned.Value)
startIndex++;
while (startIndex <= endIndex && posts[startIndex].Id >= thresholdId)
startIndex++;
if (p.LastDateToLoad.HasValue)
while (endIndex >= startIndex && posts[endIndex].Date < p.LastDateToLoad.Value)
endIndex--;
if (p.LastPostToLoad > 0)
while (endIndex >= startIndex && posts[endIndex].Id < p.LastPostToLoad)
endIndex--;
if (startIndex <= endIndex)
return posts.Skip(startIndex).Take(endIndex - startIndex + 1).ToList();
}
return new List<Post>();
}
