/// <inheritdoc/>
public async Task <PagedResult <Sample> > GetSamplesAsync(Guid objectId, int attributeId, TimeFilter filter)
{
List <Sample> objectSamples = new List <Sample>();
// Perform a generic call using objects resource valid for Network Devices as well
var response = await GetPagedResultsAsync <JToken>("objects", ToDictionary(filter), objectId, "attributes", attributeId, "samples").ConfigureAwait(false);
// Read full attribute from url
foreach (JToken s in response.Items)
{
Sample sample = new Sample();
string unitsUrl = string.Empty;
try
{
if (Version < ApiVersion.v3)
{
sample.Timestamp = s["timestamp"].Value <DateTime>();
sample.IsReliable = s["isReliable"].Value <Boolean>();
sample.Value = s["value"]["value"].Value <double>();
unitsUrl = s["value"]["units"].Value <string>();
sample.Unit = ResourceManager.Localize(unitsUrl, _CultureInfo);
}
else
{
// Since Api v3 the schema has changed
sample.Timestamp = s["result"]["timestamp"].Value <DateTime>();
sample.IsReliable = s["result"]["isReliable"].Value <Boolean>();
sample.Value = s["result"]["value"]["value"]["value"].Value <double>();
sample.Unit = s["result"]["value"]["units"].Value <string>();
sample.Unit = ResourceManager.Localize(sample.Unit, _CultureInfo);
}
}
catch (ArgumentNullException e)
{
// Something went wrong on object parsing
throw new MetasysObjectException(e);
}
if (Version < ApiVersion.v3)
{
// On Api v2 and v1 there was the url endpoint of the enum instead of the fully qualified enumeration string
var unitId = unitsUrl.Split('/').Last();
// Read full url if not cached previously
if (!Units.ContainsKey(unitId))
{
var unit = await GetWithFullUrl(unitsUrl).ConfigureAwait(false);
Units.Add(unitId, unit["description"].Value <string>());
}
sample.Unit = Units[unitId];
}
objectSamples.Add(sample);
}
// Type the response as Sample List
return(new PagedResult <Sample>
{
Items = objectSamples,
CurrentPage = response.CurrentPage,
PageCount = response.PageCount,
PageSize = response.PageSize,
Total = response.Total
});
}
/// <inheritdoc/>
public PagedResult <Sample> GetSamples(Guid objectId, int attributeId, TimeFilter filter)
{
return(GetSamplesAsync(objectId, attributeId, filter).GetAwaiter().GetResult());
}