Files
the-living-world/src/TheLivingWorld.Osm/OsmServiceCollectionExtensions.cs
T

30 lines
1.2 KiB
C#

using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using TheLivingWorld.Osm.Import;
using TheLivingWorld.Osm.Overpass;
namespace TheLivingWorld.Osm;
public static class OsmServiceCollectionExtensions
{
/// <summary>
/// Registers the OpenStreetMap import pipeline. The returned builder is the Overpass HTTP client, which
/// callers usually need to adjust: Overpass queries run for minutes and do not fit default HTTP policies.
/// </summary>
public static IHttpClientBuilder AddOsmImport(this IServiceCollection services, IConfiguration configuration)
{
services.AddOptions<OsmOptions>()
.Bind(configuration.GetSection(OsmOptions.SectionName));
services.AddSingleton<OsmWorldBuilder>();
services.AddSingleton<OsmWorldGenerator>();
return services.AddHttpClient<OverpassClient>(OverpassClient.HttpClientName, static (provider, client) =>
{
var options = provider.GetRequiredService<Microsoft.Extensions.Options.IOptions<OsmOptions>>().Value;
client.Timeout = TimeSpan.FromSeconds(options.RequestTimeoutSeconds);
client.DefaultRequestHeaders.UserAgent.ParseAdd(options.UserAgent);
});
}
}