/// <summary>
/// Method saves the groups into the storage.
/// </summary>
/// <param name="key">Specifies a key to store.</param>
/// <param name="groups">Specifies a groups object.</param>
private static void SaveGroups(string key, Groups groups)
{
// If the groups is null, remove the entry.
if (groups == null)
{
RelayStorage.RemoveKey(key);
return;
}
List<string> groupItems = new List<string>();
foreach (Group group in groups)
{
groupItems.Add(
string.Format(
"{0}{1}{2}{3}{4}",
group.Name,
RelayStorage.ValueSeperator,
group.RegistrationId,
RelayStorage.ValueSeperator,
group.SecretKey));
}
string groupsValue = string.Join(RelayStorage.ObjectSeperator, groupItems.ToArray());
RelayStorage.SetValue(key, groupsValue);
}
/// <summary>
/// Method reads groups from storage.
/// </summary>
/// <param name="key">Specifies a key to read.</param>
/// <returns>A Groups object.</returns>
private static Groups ReadGroups(string key)
{
Groups groups = new Groups();
string value = RelayStorage.GetValue(key);
if (string.IsNullOrEmpty(value))
{
return groups;
}
string[] groupsItems = value.Split(
new string[] { RelayStorage.ObjectSeperator },
System.StringSplitOptions.RemoveEmptyEntries);
if (groupsItems == null || groupsItems.Length == 0)
{
return groups;
}
foreach (string item in groupsItems)
{
string[] groupItems = item.Split(
new string[] { RelayStorage.ValueSeperator },
System.StringSplitOptions.None);
if (groupItems == null || groupItems.Length != 3)
{
continue;
}
Group group = new Group()
{
Name = groupItems[0],
RegistrationId = groupItems[1],
SecretKey = groupItems[2]
};
groups.Add(group);
}
return groups;
}
/// <summary>
/// Method to read groups.
/// </summary>
/// <param name="groups">Specifies a groups object.</param>
public static void SaveGroups(Groups groups)
{
RelayStorage.SaveGroups(RelayStorage.CreatedGroupsKey, groups);
}