static async Task GetData(string datasetId)
{
var client = new Knoema.Client(host, clientId, clientSecret);
Console.WriteLine("Getting dataset metadata...");
var dataset = await client.GetDataset(datasetId);
Console.WriteLine("Dataset has {0} dimensions: {1}.",
dataset.Dimensions.Count(), string.Join(", ", dataset.Dimensions.Select(x => x.Name).ToArray()));
var stub = new List <PivotRequestItem>();
foreach (var dim in dataset.Dimensions)
{
Console.WriteLine(string.Format("Getting \"{0}\" dataset dimension details...", dim.Name));
var dimension = await client.GetDatasetDimension(dataset.Id, dim.Id);
Console.WriteLine(string.Format("Dimension \"{0}\" has {1} members: {2}.",
dimension.Name, dimension.Items.Count(), string.Join(", ", dimension.Items.Select(x => x.Name.ToString()).ToArray())));
stub.Add(new PivotRequestItem()
{
DimensionId = dimension.Id,
Members = dimension.Items.Where(x => x.HasData).Select(x => x.Key).Take(10).Cast <object>().ToList()
});
}
var header = new PivotRequestItem()
{
DimensionId = "Time"
};
for (var i = 1990; i < 2010; i++)
{
header.Members.Add(i);
}
Console.WriteLine("Getting dataset data...");
var result = await client.GetData(new PivotRequest()
{
Dataset = datasetId,
Frequencies = new List <string>()
{
"A"
},
Stub = stub,
Header = new List <PivotRequestItem>()
{
header
}
});
result.Tuples.Take(10).ToList().ForEach(x =>
Console.WriteLine(string.Join(", ", x.Select(y => y.Key + ":" + y.Value).ToList()))
);
Console.WriteLine(string.Format("{0} rows of data have been received.", result.Tuples.Count));
}
public PivotRequest GetRequest()
{
var request = new PivotRequest();
request.Dataset = _dataset.Id;
if (_frequencies != null)
{
request.Frequencies = _frequencies.ToList();
}
var timeItem = new PivotRequestItem {
DimensionId = "Time"
};
if (string.IsNullOrEmpty(TimeRange))
{
timeItem.UiMode = "allData";
timeItem.Members = null;
}
else
{
timeItem.UiMode = "range";
timeItem.Members.Add(TimeRange);
}
request.Header.Add(timeItem);
foreach (var dimPair in _dimensions)
{
var dimId = dimPair.Key;
var dimKeys = dimPair.Value;
if (dimKeys == null || dimKeys.Count == 0)
{
continue;
}
var dimMeta = _client.GetDatasetDimension(_dataset.Id, dimId).GetAwaiter().GetResult();
object idVal;
string keyVal;
foreach (var member in dimMeta.Items)
{
if (member.Fields != null && member.Fields.TryGetValue("id", out idVal) && idVal != null && dimKeys.ContainsKey(idVal.ToString()))
{
keyVal = idVal.ToString();
}
else if (dimKeys.ContainsKey(member.Name))
{
keyVal = member.Name;
}
else if (dimKeys.ContainsKey(member.Key.ToString()))
{
keyVal = member.Key.ToString();
}
else
{
keyVal = null;
}
if (!string.IsNullOrEmpty(keyVal))
{
dimKeys[keyVal] = member.Key;
}
}
PivotRequestItem dimItem = null;
foreach (var memberKey in dimKeys.Values)
{
if (memberKey != 0)
{
if (dimItem == null)
{
dimItem = new PivotRequestItem {
DimensionId = dimId
};
request.Stub.Add(dimItem);
}
dimItem.Members.Add(memberKey);
}
}
}
return(request);
}
static void Main(string[] args)
{
var client = new Knoema.Client(
ConfigurationManager.AppSettings["host"], ConfigurationManager.AppSettings["clientId"], ConfigurationManager.AppSettings["appSecret"]);
Console.WriteLine("Getting dataset metadata...");
client.GetDataset("gquvbhe").ContinueWith(d =>
{
Console.WriteLine("Dataset has {0} dimensions: {1}.", d.Result.Dimensions.Count(), string.Join(", ", d.Result.Dimensions.Select(x => x.Name).ToArray()));
var stub = new List <PivotRequestItem>();
foreach (var dim in d.Result.Dimensions)
{
Console.WriteLine(string.Format("Getting \"{0}\" dataset dimension details...", dim.Name));
client.GetDatasetDimension(d.Result.Id, dim.Id).ContinueWith(t =>
{
Console.WriteLine(string.Format("Dimension \"{0}\" has {1} members: {2}.",
t.Result.Name, t.Result.Items.Count(), string.Join(", ", t.Result.Items.Select(x => x.Name.ToString()).ToArray())));
stub.Add(new PivotRequestItem()
{
DimensionId = t.Result.Id,
Members = t.Result.Items.Where(x => x.HasData).Select(x => x.Key).Take(10).Cast <object>().ToList()
});
}).Wait();
}
var header = new PivotRequestItem()
{
DimensionId = "Time"
};
for (var i = 1990; i < 2010; i++)
{
header.Members.Add(i);
}
Console.WriteLine("Getting dataset data...");
var pivotRequest = new PivotRequest()
{
Dataset = "gquvbhe",
Frequencies = new List <string>()
{
"A"
},
Stub = stub,
Header = new List <PivotRequestItem>()
{
header
}
};
client.GetData(pivotRequest).ContinueWith(t =>
{
t.Result.Tuples.Take(10).ToList().ForEach(x =>
Console.WriteLine(string.Join(", ", x.Select(y => y.Key + ":" + y.Value).ToList()))
);
Console.WriteLine(string.Format("{0} rows of data have been received.", t.Result.Tuples.Count));
Console.WriteLine("Press any key to exit.");
Console.ReadKey();
}).Wait();
}).Wait();
}
