/// <summary>
/// Get followers list by username asynchronously
/// </summary>
/// <param name="username">Username</param>
/// <param name="paginationParameters">Pagination parameters: next id and max amount of pages to load</param>
/// <param name="searchQuery">Search string to locate specific followers</param>
/// <returns>
/// <see cref="InstaUserShortList" />
/// </returns>
public async Task <IResult <InstaUserShortList> > GetUserFollowersAsync(string username,
PaginationParameters paginationParameters, string searchQuery)
{
UserAuthValidator.Validate(_userAuthValidate);
var followers = new InstaUserShortList();
try
{
var user = await GetUserAsync(username);
var userFollowersUri =
UriCreator.GetUserFollowersUri(user.Value.Pk, _user.RankToken, searchQuery,
paginationParameters.NextId);
var followersResponse = await GetUserListByUriAsync(userFollowersUri);
if (!followersResponse.Succeeded)
{
return(Result.Fail(followersResponse.Info, (InstaUserShortList)null));
}
followers.AddRange(
followersResponse.Value.Items?.Select(ConvertersFabric.Instance.GetUserShortConverter)
.Select(converter => converter.Convert()));
followers.NextId = followersResponse.Value.NextMaxId;
var pagesLoaded = 1;
while (!string.IsNullOrEmpty(followersResponse.Value.NextMaxId) &&
pagesLoaded < paginationParameters.MaximumPagesToLoad)
{
var nextFollowersUri =
UriCreator.GetUserFollowersUri(user.Value.Pk, _user.RankToken, searchQuery,
followersResponse.Value.NextMaxId);
followersResponse = await GetUserListByUriAsync(nextFollowersUri);
if (!followersResponse.Succeeded)
{
return(Result.Fail(followersResponse.Info, followers));
}
followers.AddRange(
followersResponse.Value.Items?.Select(ConvertersFabric.Instance.GetUserShortConverter)
.Select(converter => converter.Convert()));
pagesLoaded++;
followers.NextId = followersResponse.Value.NextMaxId;
}
return(Result.Success(followers));
}
catch (Exception exception)
{
_logger?.LogException(exception);
return(Result.Fail(exception, followers));
}
}
public async Task <IResult <InstaUserShortList> > GetUserFollowingAsync(string username,
PaginationParameters paginationParameters)
{
var following = new InstaUserShortList();
try
{
var user = await GetUserAsync(username);
var uri = UriCreator.GetUserFollowingUri(user.Value.Pk, _user.RankToken, paginationParameters.NextId);
var userListResponse = await GetUserListByUriAsync(uri);
if (!userListResponse.Succeeded)
{
Result.Fail(userListResponse.Info, following);
}
following.AddRange(
userListResponse.Value.Items.Select(ConvertersFabric.Instance.GetUserShortConverter)
.Select(converter => converter.Convert()));
following.NextId = userListResponse.Value.NextMaxId;
var pages = 1;
while (!string.IsNullOrEmpty(following.NextId) &&
pages < paginationParameters.MaximumPagesToLoad)
{
var nextUri =
UriCreator.GetUserFollowingUri(user.Value.Pk, _user.RankToken,
userListResponse.Value.NextMaxId);
userListResponse = await GetUserListByUriAsync(nextUri);
if (!userListResponse.Succeeded)
{
return(Result.Success($"Not all pages were downloaded: {userListResponse.Info.Message}",
following));
}
following.AddRange(
userListResponse.Value.Items.Select(ConvertersFabric.Instance.GetUserShortConverter)
.Select(converter => converter.Convert()));
pages++;
following.NextId = userListResponse.Value.NextMaxId;
}
return(Result.Success(following));
}
catch (Exception exception)
{
_logger?.LogException(exception);
return(Result.Fail(exception, following));
}
}
