private async Task UpdatePointsOfInterest(OsmChange changes)
{
var deleteTasks = new List <Task>();
var relevantTagsDictionary = _tagsHelper.GetAllTags();
foreach (var poiToRemove in changes.Delete)
{
var task = _elasticSearchGateway.DeletePointOfInterestById(poiToRemove.Id.ToString(), poiToRemove.Type.ToString().ToLower());
deleteTasks.Add(task);
}
await Task.WhenAll(deleteTasks);
var updateTasks = new List <Task <ICompleteOsmGeo> >();
foreach (var poiToUpdate in changes.Modify
.Concat(changes.Create)
.Where(o => IsRelevantPointOfInterest(o, relevantTagsDictionary)))
{
var task = _osmGateway.GetElement(poiToUpdate.Id.ToString(), poiToUpdate.Type.ToString().ToLower());
updateTasks.Add(task);
}
var allElemets = await Task.WhenAll(updateTasks);
var osmNamesDictionary = allElemets.GroupBy(e => e.Tags.GetName()).ToDictionary(g => g.Key, g => g.ToList());
var geoJsonNamesDictionary = _osmGeoJsonPreprocessorExecutor.Preprocess(osmNamesDictionary);
await _elasticSearchGateway.UpdatePointsOfInterestData(geoJsonNamesDictionary.Values.SelectMany(v => v).ToList());
}
private async Task <Feature> UpdateElasticSearch(ICompleteOsmGeo osm, string name)
{
var feature = ConvertOsmToFeature(osm, name);
if (feature == null)
{
return(null);
}
var featureFromDb = await _elasticSearchGateway.GetPointOfInterestById(feature.Attributes[FeatureAttributes.ID].ToString(), Sources.OSM);
if (featureFromDb != null)
{
foreach (var attributeKey in featureFromDb.Attributes.GetNames().Where(n => n.StartsWith(FeatureAttributes.POI_PREFIX)))
{
if (!feature.Attributes.GetNames().Any(n => n == attributeKey))
{
feature.Attributes.AddOrUpdate(attributeKey, featureFromDb.Attributes[attributeKey]);
}
}
if (feature.Geometry.OgcGeometryType == OgcGeometryType.Point &&
featureFromDb.Geometry.OgcGeometryType != OgcGeometryType.Point)
{
feature.Geometry = featureFromDb.Geometry;
}
}
await _elasticSearchGateway.UpdatePointsOfInterestData(new List <Feature> {
feature
});
foreach (var language in Languages.Array)
{
var title = feature.Attributes.GetWikipediaTitle(language);
if (string.IsNullOrWhiteSpace(title))
{
continue;
}
var pageFetaure = await _wikipediaGateway.GetByPageTitle(title, language);
if (pageFetaure == null)
{
continue;
}
await _elasticSearchGateway.DeletePointOfInterestById(pageFetaure.Attributes[FeatureAttributes.ID].ToString(), Sources.WIKIPEDIA);
}
return(feature);
}
