project_search_service.py 文件源码

def get_projects_geojson(search_bbox_dto: ProjectSearchBBoxDTO) -> geojson.FeatureCollection:
        """  search for projects meeting criteria provided return as a geojson feature collection"""

        # make a polygon from provided bounding box
        polygon = ProjectSearchService._make_4326_polygon_from_bbox(search_bbox_dto.bbox, search_bbox_dto.input_srid)

        # validate the bbox area is less than or equal to the max area allowed to prevent
        # abuse of the api or performance issues from large requests
        if not ProjectSearchService.validate_bbox_area(polygon):
            raise BBoxTooBigError('Requested bounding box is too large')

        # get projects intersecting the polygon for created by the author_id
        intersecting_projects = ProjectSearchService._get_intersecting_projects(polygon, search_bbox_dto.project_author)

        # allow an empty feature collection to be returned if no intersecting features found, since this is primarily
        # for returning data to show on a map
        features = []
        for project in intersecting_projects:
            try:
                localDTO = ProjectInfo.get_dto_for_locale(project.id, search_bbox_dto.preferred_locale,
                                                          project.default_locale)
            except Exception as e:
                pass

            properties = {
                "projectId": project.id,
                "projectStatus": ProjectStatus(project.status).name,
                "projectName": localDTO.name
            }
            feature = geojson.Feature(geometry=geojson.loads(project.geometry), properties=properties)
            features.append(feature)

        return geojson.FeatureCollection(features)