}).then(function(data) {
if (!data.access_token) {
callback(true);
}
var access_token = data.access_token,
user_id = data.user_id;
vk.setToken(access_token);
vk.callMethod('users.get', {
fields: 'photo_max'
}).then(function(usersArray) {
var userInfo = usersArray[0];
if (!userInfo) {
callback(true);
}
userInfo.id = user_id;
insertOnDuplicateUpdateUser(userInfo, { access_token: access_token }, function(err, user) {
if (err) {
callback(true);
}
getAndSaveFriends(user, function(err, user) {
if (err) {
callback(true);
}
debug.log('[Friends saved]', user);
generateAndSaveInternalToken(user, function(err, newToken) {
if (err) {
callback(true);
}
callback(false, newToken);
});
});
});
}).catch(onError);
}).catch(onError);
function getAndSaveFriends(user, callback) {
vk.callMethod('friends.get', {
order: 'hints',
v: '5.34'
}).then(function(res) {
var friends = res.items;
for (var el in friends) {
friends[el] = 'vk_' + friends[el];
}
user.friends = friends;
user.save(function(err) {
if (!err) {
debug.log('Friends has been received!');
callback(false, user);
} else {
debug.log('An error occurred in save user friends', err);
}
});
}).catch(function(err) {
callback(true);
});
}