/// <summary>
/// Deserializes the query options from a <see cref="GeoQueryMsg" /> if any options
/// are present.
/// </summary>
/// <param name="queryMsg">The source message.</param>
/// <returns>The deserialized options or <c>null</c> if none are present.</returns>
internal static GeoQueryOptions Load(GeoQueryMsg queryMsg)
{
string queryType = queryMsg._Get("QueryType", (string)null);
GeoQueryOptions options;
switch (queryType)
{
case EntityQueryKey:
options = new GeoEntityQueryOptions();
break;
case HeatmapQueryKey:
options = new GeoHeatmapQueryOptions();
break;
default:
return(null);
}
options.LoadFrom(queryMsg);
return(options);
}
/// <summary>
/// Generates a <see cref="GeoQueryMsg" /> from the instance.
/// </summary>
/// <returns>The query message.</returns>
internal GeoQueryMsg ToMessage()
{
var queryMsg = new GeoQueryMsg();
var options = Options;
if (options == null)
{
options = new GeoEntityQueryOptions();
}
options.Save(queryMsg);
if (EntityFilters != null)
{
for (int i = 0; i < EntityFilters.Length; i++)
{
queryMsg[string.Format("EntityFilter[{0}]", i)] = EntityFilters[i];
}
}
if (GroupFilters != null)
{
for (int i = 0; i < GroupFilters.Length; i++)
{
queryMsg[string.Format("GroupFilter[{0}]", i)] = GroupFilters[i];
}
}
if (Region != null)
{
queryMsg["Region"] = Region.ToString();
}
if (MinTimeUtc.HasValue)
{
queryMsg._Set("MinTimeUtc", MinTimeUtc.Value);
}
if (MaxTimeUtc.HasValue)
{
queryMsg._Set("MaxTimeUtc", MaxTimeUtc.Value);
}
return(queryMsg);
}
