private IEnumerable <mwc.Incumbent> GetIncumbentsFromTable(string tableName, string partitionKey, IncumbentType incumbentType)
{
// Todo: this is a temporary method provided until the backend supports retriving incumbents of type "tv_us"
Microsoft.WhiteSpaces.AzureTableAccess.AzureTableOperation azureTableOperations = new Microsoft.WhiteSpaces.AzureTableAccess.AzureTableOperation();
string tableQuery = TableQuery.GenerateFilterCondition("PartitionKey", QueryComparisons.Equal, partitionKey);
if (incumbentType != IncumbentType.None)
{
tableQuery = TableQuery.CombineFilters(tableQuery, TableOperators.And, TableQuery.GenerateFilterConditionForInt("Type", QueryComparisons.Equal, (int)incumbentType));
}
IEnumerable <mwc.Incumbent> tvEngDataList = azureTableOperations.GetAllEntities <CDBSTvEngData>(tableName, tableQuery)
.Select(cdbsTvEndData =>
{
List <Position> contourPoints = WhitespacesManager.GetContourPointsSpaceSeperator(cdbsTvEndData.Contour);
mwc.Incumbent incumbent = new mwc.Incumbent(
cdbsTvEndData.CallSign,
cdbsTvEndData.Channel,
contourPoints,
null,
incumbentType,
null,
new Location(cdbsTvEndData.Latitude, cdbsTvEndData.Longitude));
return(incumbent);
});
return(tvEngDataList);
}
public List <mwc.Incumbent> GetIncumbents(string incumbentType, string regionName, IEnumerable <int> channels)
{
Check.IsNotEmptyOrWhiteSpace(incumbentType, "incumbentType");
Check.IsNotEmptyOrWhiteSpace(regionName, "regionName");
IncumbentType enumType = (IncumbentType)Enum.Parse(typeof(IncumbentType), incumbentType, true);
// Todo: This is temporary code until backend supports returning TV_US via the GetIncumbents call.
if (enumType == IncumbentType.TV_US || enumType == IncumbentType.MVPD || enumType == IncumbentType.TV_TRANSLATOR)
{
return(this.GetIncumbentsFromTable(channels, enumType));
}
mwc.IRequestParameters requestParams = this.GetRequestParams(
req =>
{
req.RegionName = regionName;
req.Params = new Parameters
{
IncumbentType = incumbentType
};
});
object[] rawIncumbents = this.whitespacesClient.GetIncumbents(requestParams).IncumbentList;
return(WhitespacesManager.ParseRawIncumbents(enumType, rawIncumbents, channels));
}
private static List <mwc.Incumbent> ParseRawIncumbents(IncumbentType incumbentType, object[] rawIncumbents, IEnumerable <int> channels)
{
dynamic incumbentList = null;
List <mwc.Incumbent> incumbents = new List <mwc.Incumbent>();
if (rawIncumbents != null)
{
switch (incumbentType)
{
case IncumbentType.MVPD:
incumbentList = WhitespacesManager.GetDeserializedIncumbents <MVPDRegistration>(rawIncumbents);
break;
case IncumbentType.LPAux:
case IncumbentType.UnlicensedLPAux:
incumbentList = WhitespacesManager.GetDeserializedIncumbents <LPAuxRegistration>(rawIncumbents);
break;
case IncumbentType.TBAS:
incumbentList = WhitespacesManager.GetDeserializedIncumbents <TempBASRegistration>(rawIncumbents);
break;
case IncumbentType.TV_US:
// TODO: Logic to de-serialize TV_US incumbents type. [Need to wait until back-end supports this]
break;
}
if (incumbentList != null)
{
foreach (object incumbent in incumbentList)
{
mwc.Incumbent incumbentModel = WhitespacesManager.GetIncumbent(incumbent, incumbentType);
incumbents.Add(incumbentModel);
}
}
if (channels != null)
{
IEnumerable <mwc.Incumbent> filteredIncumbents = WhitespacesManager.FilterIncumbentsByChannel(incumbents, channels);
incumbents = filteredIncumbents != null?filteredIncumbents.ToList() : incumbents;
}
}
return(incumbents);
}
public List <mwc.Incumbent> GetIncumbents(string incumbentType, double latitude, double longitude, string regionName, IEnumerable <int> channels)
{
Check.IsNotEmptyOrWhiteSpace(incumbentType, "incumbentType");
Check.IsNotEmptyOrWhiteSpace(regionName, "regionName");
IncumbentType enumType = (IncumbentType)Enum.Parse(typeof(IncumbentType), incumbentType, true);
// Todo: This is temporary code until backend supports returning TV_US via the GetIncumbents call.
if (enumType == IncumbentType.TV_US || enumType == IncumbentType.TV_TRANSLATOR || enumType == IncumbentType.MVPD)
{
return(this.GetIncumbentsFromTable(channels, enumType, latitude, longitude));
}
// [Note:] As of now, it doesn't make any sense passing latitude and longitude values to filter the incumbents
// based on the search region, but if it is enabled in back-end in future we can use following request.
mwc.IRequestParameters requestParams = this.GetRequestParams(
req =>
{
req.RegionName = regionName;
req.Params = new Parameters
{
IncumbentType = incumbentType,
Location = new GeoLocation
{
Point = new Ellipse
{
Center = new Point
{
Latitude = latitude.ToString(),
Longitude = longitude.ToString()
}
}
}
};
});
object[] rawIncumbents = this.whitespacesClient.GetIncumbents(requestParams).IncumbentList;
return(WhitespacesManager.ParseRawIncumbents(enumType, rawIncumbents, channels));
}
