protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
while (!stoppingToken.IsCancellationRequested)
{
try
{
var latest = await OctopusStoreService.ReadLastPriceEntryAsync();
await ProcessNewerValues(latest, stoppingToken);
}
catch (Exception ex) when(!stoppingToken.IsCancellationRequested)
{
Logger.LogWarning(ex, "Error in price service: {Exception}", ex.Message);
}
await Task.Delay(TimeSpan.FromHours(1), stoppingToken);
}
}
private async Task ProcessNewerValues(OctopusPriceEntry?latest, CancellationToken ct)
{
Instant requestTime;
IReadOnlyList <OctopusConsumptionEntry> consumptionEntries;
if (latest == null)
{
var flux = $@"
from(bucket: ""{Bucket}"")
|> range(start: -12mo)
|> filter(fn: (r) => r._measurement == ""Consumption"")
|> pivot(
rowKey:[""_time""],
columnKey: [""_field""],
valueColumn: ""_value""
)";
consumptionEntries = await OctopusStoreService.QueryAsync <OctopusConsumptionEntry>(flux);
if (consumptionEntries.Count == 0)
{
requestTime = Instant.FromUtc(2020, 1, 1, 0, 0);
}
else
{
requestTime = consumptionEntries[0].Time.Plus(Duration.FromMinutes(30));
}
}
else
{
requestTime = latest.Time.Plus(Duration.FromMinutes(30));
var flux = $@"
from(bucket: ""{Bucket}"")
|> range(start: {requestTime})
|> filter(fn: (r) => r._measurement == ""Consumption"")
|> pivot(
rowKey:[""_time""],
columnKey: [""_field""],
valueColumn: ""_value""
)";
consumptionEntries = await OctopusStoreService.QueryAsync <OctopusConsumptionEntry>(flux);
}
if (consumptionEntries.Count > 0)
{
var tariffEntries = await QueryTarrifEntries(requestTime);
Logger.LogInformation("Got {Count} tariff entries from {First} to {Last} - requested = {Request}", tariffEntries.Count, tariffEntries[0], tariffEntries[^ 1], requestTime);
public OctopusTariffService(ILogger<OctopusTariffService> logger, OctopusService octopusService, OctopusStoreService octopusStoreService)
{
Logger = logger;
OctopusService = octopusService;
OctopusStoreService = octopusStoreService;
}
public OctopusPriceService(ILogger <OctopusPriceService> logger, OctopusStoreService octopusStoreService, IOptions <InfluxDbService.Config> influxConfigOptions)
{
Logger = logger;
OctopusStoreService = octopusStoreService;
Bucket = influxConfigOptions.Value.Bucket;
}
public OctopusConsumptionService(ILogger <OctopusConsumptionService> logger, OctopusService octopusService, OctopusStoreService octopusStoreService)
{
Logger = logger;
OctopusService = octopusService;
OctopusStoreService = octopusStoreService;
}
