public async Task <IList <OpisenseOpcConfiguration> > Read(Func <string, Task> onError = null)
{
try
{
var result = new List <OpisenseOpcConfiguration>();
var records = await ReadCsv();
foreach (var recordsByOpcServer in records.GroupBy(r => r.OpcServer))
{
var config = new OpisenseOpcConfiguration(recordsByOpcServer.Key.Trim());
foreach (var recordsByGroupName in recordsByOpcServer.GroupBy(r => r.GroupName))
{
var readCycle = TimeSpan.FromMinutes(Math.Max(recordsByGroupName.Min(r => r.ReadCycleMinutes), FastestReadCycle));
var group = new OpisenseOpcItemGroup(recordsByGroupName.Key.Trim(), readCycle);
var items = recordsByGroupName.Where(r => !string.IsNullOrWhiteSpace(r.TagName)).ToList();
if (items.Any())
{
config.OpisenseOpcItemGroups.Add(group);
group.OpisenseOpcItems.AddRange(items.Select(i => new OpisenseOpcItem {
OpcItemName = i.TagName.Trim(), VariableId = i.VariableId
}));
}
}
result.Add(config);
}
return(result);
}
catch (Exception ex)
{
onError?.Invoke(ex.Message);
return(new List <OpisenseOpcConfiguration>());
}
}
public async Task <bool> ValidateConfig(OpisenseOpcConfiguration config, Func <string, Task> onError)
{
if (config is null)
{
await ThrowOrReport(new Exception("The configuration is null"), onError);
return(false);
}
if (string.IsNullOrEmpty(config.OpcServerUrl))
{
await ThrowOrReport(new Exception("The server is null"), onError);
return(false);
}
if (config.OpisenseOpcItemGroups == null || !config.OpisenseOpcItemGroups.Any())
{
await ThrowOrReport(new Exception("There is no group to read"), onError);
return(false);
}
if (config.OpisenseOpcItemGroups.Any(g => string.IsNullOrWhiteSpace(g.GroupName)))
{
await ThrowOrReport(new Exception("At least one group name is empty"), onError);
return(false);
}
foreach (var invalidPollingCycle in config.OpisenseOpcItemGroups.Where(g => g.PollingCycle <= TimeSpan.Zero))
{
await ThrowOrReport(new Exception($"The polling cycle {invalidPollingCycle.PollingCycle:g} of group '{invalidPollingCycle.GroupName}' is invalid (<= 0)"), onError);
return(false);
}
foreach (var configOpisenseOpcItemGroup in config.OpisenseOpcItemGroups)
{
if (configOpisenseOpcItemGroup.OpisenseOpcItems.Any(i => string.IsNullOrWhiteSpace(i.OpcItemName)))
{
await ThrowOrReport(new Exception($"At least one item name is empty in group '{configOpisenseOpcItemGroup.GroupName}'"), onError);
return(false);
}
}
return(true);
}
