/// <summary>
/// Returns the list of <see cref="Leds"/> which are member of the <see cref="Group"/> having the specified <see cref="Group.Id"/>.
/// The methods throws a <see cref="ResourceNotFoundException"/> if the underlying <see cref="Group"/> does not exist.
/// </summary>
/// <param name="id"><see cref="Group.Id"/></param>
/// <returns><see cref="GroupLeds"/> containing the <see cref="Leds"/> being member of the <see cref="Group"/></returns>
public GroupLeds GetGroupLeds(int id)
{
IGroupDataSet gds = _groupStorage.GetGroup(id);
if (gds != null)
{
GroupLeds gLeds = new GroupLeds();
gLeds.GroupId = gds.Id;
foreach (string ledId in gds.Leds)
{
ILedDataSet lds = _ledStorage.GetLed(ledId);
if (lds != null)
{
Led led = new Led();
led.ControllerId = lds.ControllerId;
led.LedNumber = lds.LedNumber;
led.RgbValue = lds.RgbValue;
gLeds.Leds.Add(led);
}
}
return(gLeds);
}
else
{
throw new ResourceNotFoundException(ResourceNotFoundException.MSG_GROUP_NOT_FOUND.Replace("{VALUE}", id + ""));
}
}
/// <summary>
/// Initializes this <see cref="FileBasedGroupStorage"/> and reads all <see cref="GroupDataSetJson"/> from the home directory as well as the current <see cref="IdCounter"/>.
/// </summary>
/// <param name="homeDirectory"></param>
public void Initialize(string homeDirectory)
{
_homeDirectory = homeDirectory;
if (!Directory.Exists(homeDirectory))
{
Directory.CreateDirectory(homeDirectory);
File.WriteAllText(_homeDirectory + "ID.config", 0 + "");
}
_groups = new List <IGroupDataSet>();
//load all groups
foreach (string file in Directory.EnumerateFiles(_homeDirectory, "*.json"))
{
string json = File.ReadAllText(file);
IGroupDataSet gds = JsonSerializer.DeserializeJson <GroupDataSetJson>(json);
if (gds != null)
{
_groups.Add(gds);
}
}
//load ID counter
string id = File.ReadAllText(_homeDirectory + "ID.config");
_idCounter = Int32.Parse(id);
}
public void ClearLeds(int id)
{
IGroupDataSet gds = GetGroup(id);
if (gds == null)
{
throw new Exception("Group not found");
}
else
{
gds.Leds.Clear();
SaveToDisk(gds);
}
}
public void SetName(int id, string name)
{
IGroupDataSet gds = GetGroup(id);
if (gds == null)
{
throw new Exception("Group not found");
}
else
{
gds.Name = name;
SaveToDisk(gds);
}
}
/// <summary>
/// Returns the <see cref="Group"/> having the passed <see cref="Group.Id"/>.
/// The methods throws a <see cref="ResourceNotFoundException"/> if the requested <see cref="Group"/> does not exist.
/// </summary>
/// <param name="id"><see cref="Group.Id"/></param>
/// <returns>the <see cref="Group"/> having the passed ID</returns>
public Group GetGroup(int id)
{
IGroupDataSet gds = _groupStorage.GetGroup(id);
if (gds != null)
{
Group group = new Group();
group.Id = gds.Id;
group.Name = gds.Name;
return(group);
}
else
{
throw new ResourceNotFoundException(ResourceNotFoundException.MSG_GROUP_NOT_FOUND.Replace("{VALUE}", id + ""));
}
}
public void SetLeds(int id, IList <string> ledIds)
{
IGroupDataSet gds = GetGroup(id);
if (gds == null)
{
throw new Exception("Group not found");
}
else
{
gds.Leds.Clear();
foreach (string ledId in ledIds)
{
gds.Leds.Add(ledId);
}
SaveToDisk(gds);
}
}
/// Sets the color of all <see cref="Leds"/> being member of the <see cref="Group"/> having the specified <see cref="Group.Id"/>.
/// The methods throws a <see cref="ResourceNotFoundException"/> if the underlying <see cref="Group"/> does not exist.
/// </summary>
/// <param name="id"></param>
/// <param name="rgbValue"></param>
public void SetColorOfGroup(int id, string rgbValue)
{
IGroupDataSet gds = _groupStorage.GetGroup(id);
if (gds != null)
{
foreach (string ledId in gds.Leds)
{
if (_ledStorage.HasLed(ledId))
{
_ledStorage.SetColor(ledId, rgbValue);
}
}
}
else
{
throw new ResourceNotFoundException(ResourceNotFoundException.MSG_GROUP_NOT_FOUND.Replace("{VALUE}", id + ""));
}
}
public void RemoveLed(int id, string ledId)
{
IGroupDataSet gds = GetGroup(id);
if (gds == null)
{
throw new Exception("Group not found");
}
else
{
for (int i = 0; i < gds.Leds.Count; i++)
{
if (gds.Leds[i].CompareTo(ledId) == 0)
{
gds.Leds.RemoveAt(i);
SaveToDisk(gds);
return;
}
}
}
}
public void AddLed(int id, string ledId)
{
IGroupDataSet gds = GetGroup(id);
if (gds == null)
{
throw new Exception("Group not found");
}
else
{
foreach (string lId in gds.Leds)
{
if (ledId.CompareTo(lId) == 0)
{
throw new Exception("LED with ID: " + ledId + " is already member of the group with ID: " + id);
}
}
gds.Leds.Add(ledId);
SaveToDisk(gds);
}
}
/// <summary>
/// Deletes the <see cref="IGroupDataSet"/> from disk.
/// </summary>
/// <param name="data"></param>
private void RemoveFromDisk(IGroupDataSet data)
{
File.Delete(_homeDirectory + data.Id + ".json");
}
/// <summary>
/// Saves the passed <see cref="IGroupDataSet"/> to disk.
/// </summary>
/// <param name="data"></param>
private void SaveToDisk(IGroupDataSet data)
{
File.WriteAllText(_homeDirectory + data.Id + ".json", JsonSerializer.SerializeJson((GroupDataSetJson)data));
}
