+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
24 from io
import BytesIO
+
25 from json
import dumps, loads
+
26 from typing
import List
+
27 from zipfile
import ZipFile
+
+
+
+
+
+
+
+
+
36 import shapely.wkb
as wkblib
+
+
38 from fastapi
import File, HTTPException, UploadFile
+
39 from geoalchemy2.shape
import from_shape
+
40 from geojson
import dump
+
41 from loguru
import logger
as log
+
42 from osm_fieldwork
import basemapper
+
43 from osm_fieldwork.data_models
import data_models_path
+
44 from osm_fieldwork.filter_data
import FilterData
+
45 from osm_fieldwork.json2osm
import json2osm
+
46 from osm_fieldwork.OdkCentral
import OdkAppUser
+
47 from osm_fieldwork.xlsforms
import xlsforms_path
+
48 from osm_rawdata.postgres
import PostgresClient
+
49 from shapely
import wkt
+
50 from shapely.geometry
import (
+
+
+
+
+
+
+
+
58 from shapely.ops
import transform
+
59 from sqlalchemy
import and_, column, func, inspect, select, table, text
+
60 from sqlalchemy.dialects.postgresql
import insert
+
61 from sqlalchemy.orm
import Session
+
62 from sqlalchemy.sql
import text
+
+
64 from ..central
import central_crud
+
65 from ..config
import settings
+
66 from ..db
import database, db_models
+
67 from ..db.postgis_utils
import geometry_to_geojson, timestamp
+
68 from ..tasks
import tasks_crud
+
69 from ..users
import user_crud
+
70 from .
import project_schemas
+
+
72 QR_CODES_DIR =
"QR_codes/"
+
73 TASK_GEOJSON_DIR =
"geojson/"
+
74 TILESDIR =
"/opt/tiles"
+
+
+
+
+
+
+
+
82 db_objects: bool =
False,
+
83 hashtags: List[str] =
None,
+
+
+
+
87 filters.append(db_models.DbProject.author_id == user_id)
+
+
+
90 filters.append(db_models.DbProject.hashtags.op(
"&&")(hashtags))
+
+
+
+
94 db.query(db_models.DbProject)
+
95 .filter(and_(*filters))
+
96 .order_by(db_models.DbProject.id.desc())
+
+
+
+
+
+
+
+
104 db.query(db_models.DbProject)
+
105 .order_by(db_models.DbProject.id.desc())
+
+
+
+
+
+
+
112 return convert_to_app_projects(db_projects)
+
+
+
115 def get_project_summaries(
+
116 db: Session, user_id: int, skip: int = 0, limit: int = 100, hashtags: str =
None
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
133 db_projects = get_projects(db, user_id, skip, limit,
True, hashtags)
+
134 return convert_to_project_summaries(db_projects)
+
+
+
137 def get_project_by_id_w_all_tasks(db: Session, project_id: int):
+
+
139 db.query(db_models.DbProject)
+
140 .filter(db_models.DbProject.id == project_id)
+
+
+
+
144 return convert_to_app_project(db_project)
+
+
+
147 def get_project(db: Session, project_id: int):
+
+
149 db.query(db_models.DbProject)
+
150 .filter(db_models.DbProject.id == project_id)
+
+
+
+
+
+
156 def get_project_by_id(db: Session, project_id: int):
+
+
158 db.query(db_models.DbProject)
+
159 .filter(db_models.DbProject.id == project_id)
+
160 .order_by(db_models.DbProject.id)
+
+
+
163 return convert_to_app_project(db_project)
+
+
+
166 def get_project_info_by_id(db: Session, project_id: int):
+
+
168 db.query(db_models.DbProjectInfo)
+
169 .filter(db_models.DbProjectInfo.project_id == project_id)
+
170 .order_by(db_models.DbProjectInfo.project_id)
+
+
+
173 return convert_to_app_project_info(db_project_info)
+
+
+
176 def delete_project_by_id(db: Session, project_id: int):
+
+
+
179 db.query(db_models.DbProject)
+
180 .filter(db_models.DbProject.id == project_id)
+
181 .order_by(db_models.DbProject.id)
+
+
+
+
185 db.delete(db_project)
+
+
187 except Exception
as e:
+
+
189 raise HTTPException(e)
from e
+
190 return f
"Project {project_id} deleted"
+
+
+
193 def partial_update_project_info(
+
194 db: Session, project_metadata: project_schemas.ProjectUpdate, project_id
+
+
+
197 db_project = get_project_by_id(db, project_id)
+
+
+
+
+
202 status_code=428, detail=f
"Project with id {project_id} does not exist"
+
+
+
+
206 db_project_info = get_project_info_by_id(db, project_id)
+
+
+
209 if project_metadata.name:
+
210 db_project.project_name_prefix = project_metadata.name
+
211 db_project_info.name = project_metadata.name
+
212 if project_metadata.description:
+
213 db_project_info.description = project_metadata.description
+
214 if project_metadata.short_description:
+
215 db_project_info.short_description = project_metadata.short_description
+
+
+
218 db.refresh(db_project)
+
+
220 return convert_to_app_project(db_project)
+
+
+
223 def update_project_info(
+
224 db: Session, project_metadata: project_schemas.BETAProjectUpload, project_id
+
+
226 user = project_metadata.author
+
227 project_info_1 = project_metadata.project_info
+
+
+
+
231 raise HTTPException(
"No user passed in")
+
232 if not project_info_1:
+
233 raise HTTPException(
"No project info passed in")
+
+
+
236 db_user = user_crud.get_user(db, user.id)
+
+
+
239 status_code=400, detail=f
"User {user.username} does not exist"
+
+
+
+
243 db_project = get_project_by_id(db, project_id)
+
+
+
246 status_code=428, detail=f
"Project with id {project_id} does not exist"
+
+
+
+
250 project_info_1 = project_metadata.project_info
+
+
+
253 db_project.author = db_user
+
254 db_project.project_name_prefix = project_info_1.name
+
+
+
257 db_project_info = get_project_info_by_id(db, project_id)
+
+
+
260 db_project_info.name = project_info_1.name
+
261 db_project_info.short_description = project_info_1.short_description
+
262 db_project_info.description = project_info_1.description
+
+
+
265 db.refresh(db_project)
+
+
267 return convert_to_app_project(db_project)
+
+
+
270 def create_project_with_project_info(
+
271 db: Session, project_metadata: project_schemas.BETAProjectUpload, project_id
+
+
273 project_user = project_metadata.author
+
274 project_info_1 = project_metadata.project_info
+
275 xform_title = project_metadata.xform_title
+
276 odk_credentials = project_metadata.odk_central
+
277 hashtags = project_metadata.hashtags
+
278 organisation_id = project_metadata.organisation_id
+
+
+
+
282 raise HTTPException(
"No user passed in")
+
283 if not project_info_1:
+
284 raise HTTPException(
"No project info passed in")
+
+
+
287 "Creating project in FMTM database with vars: "
+
288 f
"project_user: {project_user} | "
+
289 f
"project_info_1: {project_info_1} | "
+
290 f
"xform_title: {xform_title} | "
+
291 f
"hashtags: {hashtags}| "
+
292 f
"organisation_id: {organisation_id}"
+
+
+
+
+
297 url = odk_credentials.odk_central_url
+
298 user = odk_credentials.odk_central_user
+
299 pw = odk_credentials.odk_central_password
+
+
+
302 log.debug(
"ODKCentral connection variables not set in function")
+
303 log.debug(
"Attempting extraction from environment variables")
+
304 url = settings.ODK_CENTRAL_URL
+
305 user = settings.ODK_CENTRAL_USER
+
306 pw = settings.ODK_CENTRAL_PASSWD
+
+
+
+
+
311 db_user = user_crud.get_user(db, project_user.id)
+
+
+
314 status_code=400, detail=f
"User {project_user.username} does not exist"
+
+
+
+
+
+
320 lambda hashtag: hashtag
if hashtag.startswith(
"#")
else f
"#{hashtag}",
+
+
+
+
+
+
+
+
328 db_project = db_models.DbProject(
+
+
+
331 project_name_prefix=project_info_1.name,
+
332 xform_title=xform_title,
+
+
334 odk_central_user=user,
+
335 odk_central_password=pw,
+
+
337 organisation_id=organisation_id,
+
+
+
+
+
+
+
344 db_project_info = db_models.DbProjectInfo(
+
+
346 name=project_info_1.name,
+
347 short_description=project_info_1.short_description,
+
348 description=project_info_1.description,
+
+
350 db.add(db_project_info)
+
+
+
353 db.refresh(db_project)
+
+
355 return convert_to_app_project(db_project)
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
373 ins = insert(forms).values(title=name, xls=xlsform, category=category)
+
374 sql = ins.on_conflict_do_update(
+
375 constraint=
"xlsforms_title_key",
+
376 set_=dict(title=name, xls=xlsform, category=category),
+
+
+
+
+
381 except Exception
as e:
+
382 raise HTTPException(status=400, detail={
"message": str(e)})
from e
+
+
+
385 def update_multi_polygon_project_boundary(
+
+
+
+
+
390 """This function receives the project_id and boundary as a parameter
+
391 and creates a task for each polygon in the database.
+
392 This function also creates a project outline from the multiple polygons received.
+
+
+
395 if isinstance(boundary, str):
+
396 boundary = json.loads(boundary)
+
+
+
399 db_project = get_project_by_id(db, project_id)
+
+
401 log.error(f
"Project {project_id} doesn't exist!")
+
+
+
+
405 if boundary[
"type"] ==
"Feature":
+
406 polygons = [boundary]
+
+
408 polygons = boundary[
"features"]
+
409 log.debug(f
"Processing {len(polygons)} task geometries")
+
410 for polygon
in polygons:
+
+
412 if polygon[
"geometry"][
"type"] ==
"MultiPolygon":
+
413 log.debug(
"Converting MultiPolygon to Polygon")
+
414 polygon[
"geometry"][
"type"] =
"Polygon"
+
415 polygon[
"geometry"][
"coordinates"] = polygon[
"geometry"][
"coordinates"][
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
430 db_task = db_models.DbTask(
+
431 project_id=project_id,
+
432 outline=wkblib.dumps(shape(polygon[
"geometry"]), hex=
True),
+
433 project_task_index=1,
+
+
+
+
+
+
439 db_task.project_task_name = str(db_task.id)
+
+
441 "Created database task | "
+
442 f
"Project ID {project_id} | "
+
443 f
"Task ID {db_task.project_task_name}"
+
+
+
+
+
+
449 f
"""SELECT ST_AsText(ST_ConvexHull(ST_Collect(outline)))
+
+
451 WHERE project_id={project_id};"""
+
+
+
454 log.debug(
"Generating project outline from tasks")
+
455 result = db.execute(query)
+
456 data = result.fetchone()
+
+
458 update_project_location_info(db_project, data[0])
+
+
+
461 db.refresh(db_project)
+
462 log.debug(
"COMPLETE: creating project boundary, based on task boundaries")
+
+
+
465 except Exception
as e:
+
+
467 raise HTTPException(e)
from e
+
+
+
470 async
def preview_tasks(boundary: str, dimension: int):
+
471 """Preview tasks by returning a list of task objects."""
+
472 """Use a lambda function to remove the "z" dimension from each coordinate in the feature's geometry """
+
+
474 def remove_z_dimension(coord):
+
475 return coord.pop()
if len(coord) == 3
else None
+
+
477 """ Check if the boundary is a Feature or a FeatureCollection """
+
478 if boundary[
"type"] ==
"Feature":
+
479 features = [boundary]
+
480 elif boundary[
"type"] ==
"FeatureCollection":
+
481 features = boundary[
"features"]
+
482 elif boundary[
"type"] ==
"Polygon":
+
+
+
+
+
487 "geometry": boundary,
+
+
+
+
+
492 status_code=400, detail=f
"Invalid GeoJSON type: {boundary['type']}"
+
+
+
495 """ Apply the lambda function to each coordinate in its geometry ro remove the z-dimension - if it exists"""
+
+
497 for feature
in features:
+
498 list(map(remove_z_dimension, feature[
"geometry"][
"coordinates"][0]))
+
499 if feature[
"geometry"][
"type"] ==
"MultiPolygon":
+
500 multi_polygons.append(Polygon(feature[
"geometry"][
"coordinates"][0][0]))
+
+
502 """Update the boundary polyon on the database."""
+
+
504 boundary = multi_polygons[0]
+
505 for geom
in multi_polygons[1:]:
+
506 boundary = boundary.union(geom)
+
+
508 boundary = shape(features[0][
"geometry"])
+
+
510 minx, miny, maxx, maxy = boundary.bounds
+
+
+
513 value = dimension / 111139
+
+
515 nx = int((maxx - minx) / value)
+
516 ny = int((maxy - miny) / value)
+
+
+
519 xdiff = abs(maxx - minx)
+
520 ydiff = abs(maxy - miny)
+
+
522 gx, gy = np.linspace(minx, maxx, ny), np.linspace(miny, miny + xdiff, ny)
+
+
524 gx, gy = np.linspace(minx, minx + ydiff, nx), np.linspace(miny, maxy, nx)
+
+
+
+
528 for i
in range(len(gx) - 1):
+
529 for j
in range(len(gy) - 1):
+
+
+
+
+
534 [gx[i + 1], gy[j + 1]],
+
+
+
+
+
+
540 if boundary.intersection(poly):
+
541 feature = geojson.Feature(
+
542 geometry=boundary.intersection(poly), properties={
"id": str(id)}
+
+
+
+
546 geom = shape(feature[
"geometry"])
+
+
548 if geom.geom_type ==
"MultiPolygon":
+
+
550 polygons = geom.geoms
+
+
552 for x
in range(len(polygons)):
+
+
+
+
+
557 "geometry": mapping(polygons[x]),
+
+
559 grid.append(feature1)
+
+
+
+
563 collection = geojson.FeatureCollection(grid)
+
+
+
+
567 if len(collection[
"features"]) == 0:
+
568 boundary = mapping(boundary)
+
+
570 "type":
"FeatureCollection",
+
571 "features": [{
"type":
"Feature",
"geometry": boundary,
"properties": {}}],
+
+
+
+
+
+
+
578 def get_osm_extracts(boundary: str):
+
+
+
+
+
+
584 "join_or": {
"building": [],
"highway": [],
"waterway": []}
+
+
+
+
+
+
590 json_boundary = json.loads(boundary)
+
+
592 if json_boundary.get(
"features",
None)
is not None:
+
593 query[
"geometry"] = json_boundary
+
+
+
+
597 query[
"geometry"] = json_boundary
+
+
599 base_url = settings.UNDERPASS_API_URL
+
600 query_url = f
"{base_url}/snapshot/"
+
601 headers = {
"accept":
"application/json",
"Content-Type":
"application/json"}
+
+
603 result = requests.post(query_url, data=json.dumps(query), headers=headers)
+
+
605 if result.status_code == 200:
+
606 task_id = result.json()[
"task_id"]
+
+
+
+
610 task_url = f
"{base_url}/tasks/status/{task_id}"
+
+
+
613 result = requests.get(task_url, headers=headers)
+
614 if result.json()[
"status"] ==
"PENDING":
+
+
616 elif result.json()[
"status"] ==
"SUCCESS":
+
+
+
619 zip_url = result.json()[
"result"][
"download_url"]
+
+
621 result = requests.get(zip_url, headers=headers)
+
+
623 fp = BytesIO(result.content)
+
624 zfp = zipfile.ZipFile(fp,
"r")
+
625 zfp.extract(
"Export.geojson",
"/tmp/")
+
626 data = json.loads(zfp.read(
"Export.geojson"))
+
+
628 for feature
in data[
"features"]:
+
629 properties = feature[
"properties"]
+
630 tags = properties.pop(
"tags", {})
+
631 properties.update(tags)
+
+
+
+
+
636 async
def split_into_tasks(
+
637 db: Session, outline: str, no_of_buildings: int, has_data_extracts: bool
+
+
639 """Splits a project into tasks.
+
+
+
642 db (Session): A database session.
+
643 boundary (str): A GeoJSON string representing the boundary of the project to split into tasks.
+
644 no_of_buildings (int): The number of buildings to include in each task.
+
+
+
647 Any: A GeoJSON object containing the tasks for the specified project.
+
+
649 project_id = uuid.uuid4()
+
+
+
+
+
654 if outline[
"type"] ==
"FeatureCollection":
+
655 log.debug(
"Project boundary GeoJSON = FeatureCollection")
+
656 boundary_data.extend(feature[
"geometry"]
for feature
in outline[
"features"])
+
+
658 split_polygon_into_tasks(
+
659 db, project_id, data, no_of_buildings, has_data_extracts
+
+
661 for data
in boundary_data
+
+
+
664 for inner_list
in result:
+
+
666 all_results.extend(iter(inner_list))
+
+
668 elif outline[
"type"] ==
"GeometryCollection":
+
669 log.debug(
"Project boundary GeoJSON = GeometryCollection")
+
670 geometries = outline[
"geometries"]
+
671 boundary_data.extend(iter(geometries))
+
+
673 split_polygon_into_tasks(
+
674 db, project_id, data, no_of_buildings, has_data_extracts
+
+
676 for data
in boundary_data
+
+
678 for inner_list
in result:
+
+
680 all_results.extend(iter(inner_list))
+
+
682 elif outline[
"type"] ==
"Feature":
+
683 log.debug(
"Project boundary GeoJSON = Feature")
+
684 boundary_data = outline[
"geometry"]
+
685 result = split_polygon_into_tasks(
+
686 db, project_id, boundary_data, no_of_buildings, has_data_extracts
+
+
688 all_results.extend(iter(result))
+
+
690 elif outline[
"type"] ==
"Polygon":
+
691 log.debug(
"Project boundary GeoJSON = Polygon")
+
692 boundary_data = outline
+
693 result = split_polygon_into_tasks(
+
694 db, project_id, boundary_data, no_of_buildings, has_data_extracts
+
+
696 all_results.extend(result)
+
+
+
+
700 "Project boundary not one of: Polygon, Feature, GeometryCollection,"
+
701 " FeatureCollection. Task splitting failed."
+
+
+
704 "type":
"FeatureCollection",
+
705 "features": all_results,
+
+
+
+
709 def split_polygon_into_tasks(
+
+
711 project_id: uuid.UUID,
+
+
713 no_of_buildings: int,
+
714 has_data_extracts: bool,
+
+
716 outline = shape(boundary_data)
+
717 db_task = db_models.DbProjectAOI(
+
718 project_id=project_id,
+
+
+
+
+
+
724 if not has_data_extracts:
+
725 data = get_osm_extracts(json.dumps(boundary_data))
+
+
+
728 for feature
in data[
"features"]:
+
729 feature_shape = shape(feature[
"geometry"])
+
730 wkb_element = from_shape(feature_shape, srid=4326)
+
731 if feature[
"properties"].get(
"building") ==
"yes":
+
732 db_feature = db_models.DbBuildings(
+
733 project_id=project_id, geom=wkb_element, tags=feature[
"properties"]
+
+
+
736 elif "highway" in feature[
"properties"]:
+
737 db_feature = db_models.DbOsmLines(
+
738 project_id=project_id, geom=wkb_element, tags=feature[
"properties"]
+
+
+
+
+
+
+
+
+
747 DELETE FROM ways_poly
+
748 WHERE NOT ST_Within(ST_Centroid(ways_poly.geom), (SELECT geom FROM project_aoi WHERE project_id = '{project_id}'));
+
+
+
751 result = db.execute(query)
+
+
+
+
755 with open(
"app/db/split_algorithm.sql",
"r")
as sql_file:
+
756 query = sql_file.read()
+
757 log.debug(f
"STARTED project {project_id} task splitting")
+
758 result = db.execute(text(query), params={
"num_buildings": no_of_buildings})
+
759 result = result.fetchall()
+
760 db.query(db_models.DbBuildings).delete()
+
761 db.query(db_models.DbOsmLines).delete()
+
762 db.query(db_models.DbProjectAOI).delete()
+
+
764 log.debug(f
"COMPLETE project {project_id} task splitting")
+
+
766 features = result[0][0][
"features"]
+
+
+
769 f
"Project {project_id}: no tasks returned from splitting algorithm. "
+
770 f
"Params: 'num_buildings': {no_of_buildings}"
+
+
+
+
774 log.debug(f
"Project {project_id} split into {len(features)} tasks")
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
850 def update_project_boundary(
+
851 db: Session, project_id: int, boundary: str, dimension: int
+
+
+
854 db_project = get_project_by_id(db, project_id)
+
+
856 log.error(f
"Project {project_id} doesn't exist!")
+
+
+
859 """Use a lambda function to remove the "z" dimension from each coordinate in the feature's geometry """
+
+
861 def remove_z_dimension(coord):
+
862 return coord.pop()
if len(coord) == 3
else None
+
+
864 """ Check if the boundary is a Feature or a FeatureCollection """
+
865 if boundary[
"type"] ==
"Feature":
+
866 features = [boundary]
+
867 elif boundary[
"type"] ==
"FeatureCollection":
+
868 features = boundary[
"features"]
+
869 elif boundary[
"type"] ==
"Polygon":
+
+
+
+
+
874 "geometry": boundary,
+
+
+
+
+
879 db.delete(db_project)
+
+
+
+
+
884 status_code=400, detail=f
"Invalid GeoJSON type: {boundary['type']}"
+
+
+
887 """ Apply the lambda function to each coordinate in its geometry """
+
+
889 for feature
in features:
+
890 list(map(remove_z_dimension, feature[
"geometry"][
"coordinates"][0]))
+
891 if feature[
"geometry"][
"type"] ==
"MultiPolygon":
+
892 multi_polygons.append(Polygon(feature[
"geometry"][
"coordinates"][0][0]))
+
+
894 """Update the boundary polyon on the database."""
+
+
896 outline = multi_polygons[0]
+
897 for geom
in multi_polygons[1:]:
+
898 outline = outline.union(geom)
+
+
900 outline = shape(features[0][
"geometry"])
+
+
902 update_project_location_info(db_project, outline.wkt)
+
+
+
905 db.refresh(db_project)
+
906 log.debug(
"Added project boundary!")
+
+
908 result = create_task_grid(db, project_id=project_id, delta=dimension)
+
+
+
911 db.query(db_models.DbFeatures).filter(
+
912 db_models.DbFeatures.project_id == project_id
+
+
+
+
916 db.query(db_models.DbTask).filter(
+
917 db_models.DbTask.project_id == project_id
+
+
+
+
921 for poly
in tasks[
"features"]:
+
+
923 task_name = str(poly[
"properties"][
"id"])
+
924 db_task = db_models.DbTask(
+
925 project_id=project_id,
+
926 project_task_name=task_name,
+
927 outline=wkblib.dumps(shape(poly[
"geometry"]), hex=
True),
+
+
+
+
931 project_task_index=1,
+
+
+
+
+
+
+
+
+
+
+
942 def update_project_with_zip(
+
+
+
945 project_name_prefix: str,
+
946 task_type_prefix: str,
+
947 uploaded_zip: UploadFile,
+
+
+
+
+
952 if uploaded_zip.content_type
not in [
+
+
954 "application/zip-compressed",
+
955 "application/x-zip-compressed",
+
+
+
+
959 detail=f
"File must be a zip. Uploaded file was {uploaded_zip.content_type}",
+
+
+
962 with ZipFile(io.BytesIO(uploaded_zip.file.read()),
"r")
as zip:
+
+
964 bad_file = zip.testzip()
+
+
+
967 status_code=400, detail=f
"Zip contained a bad file: {bad_file}"
+
+
+
+
971 listed_files = zip.namelist()
+
+
973 if QR_CODES_DIR
not in listed_files:
+
+
+
976 detail=f
"Zip must contain directory named {QR_CODES_DIR}",
+
+
+
979 if TASK_GEOJSON_DIR
not in listed_files:
+
+
+
982 detail=f
"Zip must contain directory named {TASK_GEOJSON_DIR}",
+
+
+
985 outline_filename = f
"{project_name_prefix}.geojson"
+
986 if outline_filename
not in listed_files:
+
+
+
989 detail=f
'Zip must contain file named "{outline_filename}" that contains a FeatureCollection outlining the project',
+
+
+
992 task_outlines_filename = f
"{project_name_prefix}_polygons.geojson"
+
993 if task_outlines_filename
not in listed_files:
+
+
+
996 detail=f
'Zip must contain file named "{task_outlines_filename}" that contains a FeatureCollection where each Feature outlines a task',
+
+
+
+
1000 db_project = get_project_by_id(db, project_id)
+
+
1002 raise HTTPException(
+
1003 status_code=428, detail=f
"Project with id {project_id} does not exist"
+
+
+
+
1007 db_project.project_name_prefix = project_name_prefix
+
1008 db_project.task_type_prefix = task_type_prefix
+
+
+
1011 outline_shape = get_outline_from_geojson_file_in_zip(
+
1012 zip, outline_filename, f
"Could not generate Shape from {outline_filename}"
+
+
1014 update_project_location_info(db_project, outline_shape.wkt)
+
+
+
1017 project_tasks_feature_collection = get_json_from_zip(
+
+
1019 task_outlines_filename,
+
1020 f
"Could not generate FeatureCollection from {task_outlines_filename}",
+
+
+
+
+
+
1026 db_project.total_tasks = len(project_tasks_feature_collection[
"features"])
+
1027 for feature
in project_tasks_feature_collection[
"features"]:
+
1028 task_name = feature[
"properties"][
"task"]
+
+
+
+
1032 f
"{project_name_prefix}_{task_type_prefix}__{task_name}.png"
+
+
1034 db_qr = get_dbqrcode_from_file(
+
+
1036 QR_CODES_DIR + qr_filename,
+
1037 f
"QRCode for task {task_name} does not exist. File should be in {qr_filename}",
+
+
+
+
+
1042 task_outline_shape = get_shape_from_json_str(
+
+
1044 f
"Could not create task outline for {task_name} using {feature}",
+
+
+
+
1048 task_geojson_filename = (
+
1049 f
"{project_name_prefix}_{task_type_prefix}__{task_name}.geojson"
+
+
1051 task_geojson = get_json_from_zip(
+
+
1053 TASK_GEOJSON_DIR + task_geojson_filename,
+
1054 f
"Geojson for task {task_name} does not exist",
+
+
+
+
+
+
1060 task = db_models.DbTask(
+
1061 project_id=project_id,
+
1062 project_task_index=feature[
"properties"][
"fid"],
+
1063 project_task_name=task_name,
+
+
1065 qr_code_id=db_qr.id,
+
1066 outline=task_outline_shape.wkt,
+
+
1068 initial_feature_count=len(task_geojson[
"features"]),
+
+
+
+
+
1073 task_count = task_count + 1
+
1074 db_project.last_updated = timestamp()
+
+
+
+
1078 db.refresh(db_project)
+
+
+
+
+
1083 except HTTPException
as e:
+
+
+
+
1087 except Exception
as e:
+
1088 raise HTTPException(
+
+
1090 detail=f
"{task_count} tasks were created before the following error was thrown: {e}, on feature: {feature}",
+
+
+
+
+
+
+
+
+
+
+
+
+
1103 """Read the list of XLSForms from the disk."""
+
+
1105 package_name =
"osm_fieldwork"
+
1106 for xls
in os.listdir(directory):
+
1107 if xls.endswith(
".xls")
or xls.endswith(
".xlsx"):
+
1108 file_name = xls.split(
".")[0]
+
1109 yaml_file_name = f
"data_models/{file_name}.yaml"
+
1110 if pkg_resources.resource_exists(package_name, yaml_file_name):
+
1111 xlsforms.append(xls)
+
+
+
+
1115 inspect(db_models.DbXForm)
+
+
1117 "xlsforms", column(
"title"), column(
"xls"), column(
"xml"), column(
"id")
+
+
+
+
+
1122 for xlsform
in xlsforms:
+
1123 infile = f
"{directory}/{xlsform}"
+
1124 if os.path.getsize(infile) <= 0:
+
1125 log.warning(f
"{infile} is empty!")
+
+
1127 xls = open(infile,
"rb")
+
1128 name = xlsform.split(
".")[0]
+
+
+
+
1132 ins = insert(forms).values(title=name, xls=data)
+
1133 sql = ins.on_conflict_do_update(
+
1134 constraint=
"xlsforms_title_key", set_=dict(title=name, xls=data)
+
+
+
+
+
+
+
+
1142 def get_odk_id_for_project(db: Session, project_id: int):
+
1143 """Get the odk project id for the fmtm project id."""
+
+
+
+
+
+
1149 where = f
"id={project_id}"
+
1150 sql = select(project).where(text(where))
+
+
1152 result = db.execute(sql)
+
+
+
1155 if result.rowcount != 1:
+
1156 log.warning(str(sql))
+
+
1158 project_info = result.first()
+
1159 return project_info.odkid
+
+
+
1162 def upload_custom_data_extracts(
+
+
+
+
1166 category: str =
"buildings",
+
+
1168 """Uploads custom data extracts to the database.
+
+
+
1171 db (Session): The database session object.
+
1172 project_id (int): The ID of the project.
+
1173 contents (str): The custom data extracts contents.
+
+
+
1176 bool: True if the upload is successful.
+
+
1178 project = get_project(db, project_id)
+
1179 log.debug(f
"Uploading custom data extract for project: {project}")
+
+
+
1182 raise HTTPException(status_code=404, detail=
"Project not found")
+
+
1184 project_geojson = db.query(func.ST_AsGeoJSON(project.outline)).scalar()
+
1185 log.debug(f
"Generated project geojson: {project_geojson}")
+
1186 json.loads(project_geojson)
+
+
1188 features_data = json.loads(contents)
+
+
+
+
+
+
+
+
+
+
+
+
+
+
1202 for feature
in features_data[
"features"]:
+
1203 feature_shape = shape(feature[
"geometry"])
+
1204 if isinstance(feature_shape, MultiPolygon):
+
1205 wkb_element = from_shape(
+
1206 Polygon(feature[
"geometry"][
"coordinates"][0][0]), srid=4326
+
+
1208 elif isinstance(feature_shape, MultiLineString):
+
1209 wkb_element = from_shape(
+
1210 LineString(feature[
"geometry"][
"coordinates"][0]), srid=4326
+
+
+
1213 wkb_element = from_shape(feature_shape, srid=4326)
+
+
+
1216 feature[
"properties"][
"title"] =
""
+
1217 properties = flatten_dict(feature[
"properties"])
+
+
1219 db_feature = db_models.DbFeatures(
+
1220 project_id=project_id,
+
1221 geometry=wkb_element,
+
1222 properties=properties,
+
1223 category_title=category,
+
+
+
+
+
+
+
+
1231 def flatten_dict(d, parent_key="", sep="_"):
+
1232 """Recursively flattens a nested dictionary into a single-level dictionary.
+
+
+
1235 d (dict): The input dictionary.
+
1236 parent_key (str): The parent key (used for recursion).
+
1237 sep (str): The separator character to use in flattened keys.
+
+
+
1240 dict: The flattened dictionary.
+
+
+
1243 for k, v
in d.items():
+
1244 new_key = f
"{parent_key}{sep}{k}" if parent_key
else k
+
1245 if isinstance(v, dict):
+
1246 items.update(flatten_dict(v, new_key, sep=sep))
+
+
+
+
+
+
1252 def generate_task_files(
+
+
+
+
+
+
1258 odk_credentials: project_schemas.ODKCentral,
+
+
1260 project_log = log.bind(task=
"create_project", project_id=project_id)
+
+
1262 project_log.info(f
"Generating files for task {task_id}")
+
1263 project = get_project(db, project_id)
+
1264 odk_id = project.odkid
+
1265 project_name = project.project_name_prefix
+
1266 category = project.xform_title
+
1267 name = f
"{project_name}_{category}_{task_id}"
+
+
+
1270 project_log.info(f
"Creating odkcentral app user for task {task_id}")
+
1271 appuser = central_crud.create_appuser(odk_id, name, odk_credentials)
+
+
+
+
1275 project_log.error(
"Couldn't create appuser for project")
+
+
+
+
1279 project_log.info(f
"Creating qr code for task {task_id}")
+
1280 create_qr = create_qrcode(
+
+
+
1283 appuser.json()[
"token"],
+
+
1285 odk_credentials.odk_central_url,
+
+
+
1288 task = tasks_crud.get_task(db, task_id)
+
1289 task.qr_code_id = create_qr[
"qr_code_id"]
+
+
+
+
+
1294 xform = f
"/tmp/{name}.xml"
+
1295 extracts = f
"/tmp/{name}.geojson"
+
+
+
1298 xform_id = f
"{name}".split(
"_")[2]
+
+
+
+
+
+
+
1305 SET task_id={task_id}
+
+
+
+
1309 WHERE project_id={project_id}
+
1310 AND ST_IsValid(geometry)
+
1311 AND ST_IsValid('{task.outline}'::Geometry)
+
1312 AND ST_Contains('{task.outline}'::Geometry, ST_Centroid(geometry))
+
+
+
+
1316 result = db.execute(query)
+
+
+
+
1320 f
"""SELECT jsonb_build_object(
+
1321 'type', 'FeatureCollection',
+
1322 'features', jsonb_agg(feature)
+
+
+
1325 SELECT jsonb_build_object(
+
+
+
1328 'geometry', ST_AsGeoJSON(geometry)::jsonb,
+
1329 'properties', properties
+
+
+
1332 WHERE project_id={project_id} and task_id={task_id}
+
+
+
+
1336 result = db.execute(query)
+
+
1338 features = result.fetchone()[0]
+
+
1340 upload_media =
False if features[
"features"]
is None else True
+
+
+
1343 with open(extracts,
"w")
as jsonfile:
+
1344 jsonfile.truncate(0)
+
1345 dump(features, jsonfile)
+
+
+
1348 f
"Generating xform for task: {task_id} "
+
1349 f
"using xform: {xform} | form_type: {form_type}"
+
+
1351 outfile = central_crud.generate_updated_xform(xlsform, xform, form_type)
+
+
+
1354 project_log.info(f
"Uploading media in {task_id}")
+
1355 result = central_crud.create_odk_xform(
+
1356 odk_id, task_id, outfile, odk_credentials,
False, upload_media
+
+
+
+
1360 project_log.info(f
"Updating role for app user in task {task_id}")
+
+
+
+
+
1365 url = odk_credentials.odk_central_url
+
1366 user = odk_credentials.odk_central_user
+
1367 pw = odk_credentials.odk_central_password
+
+
+
1370 log.debug(
"ODKCentral connection variables not set in function")
+
1371 log.debug(
"Attempting extraction from environment variables")
+
1372 url = settings.ODK_CENTRAL_URL
+
1373 user = settings.ODK_CENTRAL_USER
+
1374 pw = settings.ODK_CENTRAL_PASSWD
+
+
1376 odk_app = OdkAppUser(url, user, pw)
+
+
+
1379 projectId=odk_id, xform=xform_id, actorId=appuser.json()[
"id"]
+
+
1381 except Exception
as e:
+
+
+
1384 project.extract_completed_count += 1
+
+
+
+
+
+
+
1391 def generate_task_files_wrapper(project_id, task, xlsform, form_type, odk_credentials):
+
1392 for db
in database.get_db():
+
1393 generate_task_files(db, project_id, task, xlsform, form_type, odk_credentials)
+
+
+
1396 def generate_appuser_files(
+
+
+
1399 extract_polygon: bool,
+
+
1401 extracts_contents: str,
+
+
+
1404 background_task_id: uuid.UUID,
+
+
1406 """Generate the files for each appuser.
+
1407 QR code, new XForm, and the OSM data extract.
+
+
+
1410 - db: the database session
+
1411 - project_id: Project ID
+
1412 - extract_polygon: boolean to determine if we should extract the polygon
+
1413 - upload: the xls file to upload if we have a custom form
+
1414 - category: the category of the project
+
1415 - form_type: weather the form is xls, xlsx or xml
+
1416 - background_task_id: the task_id of the background task running this function.
+
+
+
1419 project_log = log.bind(task=
"create_project", project_id=project_id)
+
+
1421 project_log.info(f
"Starting generate_appuser_files for project {project_id}")
+
+
+
+
+
1426 column(
"project_name_prefix"),
+
1427 column(
"xform_title"),
+
+
1429 column(
"odk_central_url"),
+
1430 column(
"odk_central_user"),
+
1431 column(
"odk_central_password"),
+
+
+
+
1435 where = f
"id={project_id}"
+
+
1437 project.c.project_name_prefix,
+
1438 project.c.xform_title,
+
+
1440 project.c.odk_central_url,
+
1441 project.c.odk_central_user,
+
1442 project.c.odk_central_password,
+
1443 geoalchemy2.functions.ST_AsGeoJSON(project.c.outline).label(
"outline"),
+
1444 ).where(text(where))
+
1445 result = db.execute(sql)
+
+
+
1448 if result.rowcount != 1:
+
1449 log.warning(str(sql))
+
1450 if result.rowcount < 1:
+
1451 raise HTTPException(status_code=400, detail=
"Project not found")
+
+
1453 raise HTTPException(status_code=400, detail=
"Multiple projects found")
+
+
1455 one = result.first()
+
+
+
+
+
1460 "odk_central_url": one.odk_central_url,
+
1461 "odk_central_user": one.odk_central_user,
+
1462 "odk_central_password": one.odk_central_password,
+
+
+
1465 odk_credentials = project_schemas.ODKCentral(**odk_credentials)
+
+
1467 xform_title = one.xform_title
if one.xform_title
else None
+
+
1469 category = xform_title
+
+
1471 xlsform = f
"/tmp/{category}.{form_type}"
+
+
1473 with open(xlsform,
"wb")
as f:
+
+
+
1476 xlsform = f
"{xlsforms_path}/{xform_title}.xls"
+
+
+
1479 if extracts_contents
is not None:
+
1480 project_log.info(
"Uploading data extracts")
+
1481 upload_custom_data_extracts(db, project_id, extracts_contents)
+
+
+
+
1485 db.query(db_models.DbProject)
+
1486 .filter(db_models.DbProject.id == project_id)
+
+
+
1489 config_file_contents = project.form_config_file
+
+
1491 project_log.info(
"Extracting Data from OSM")
+
+
1493 config_path =
"/tmp/config.yaml"
+
1494 if config_file_contents:
+
1495 with open(config_path,
"w", encoding=
"utf-8")
as config_file_handle:
+
1496 config_file_handle.write(config_file_contents.decode(
"utf-8"))
+
+
1498 config_path = f
"{data_models_path}/{category}.yaml"
+
+
+
1501 pg = PostgresClient(
"underpass", config_path)
+
1502 outline = json.loads(one.outline)
+
1503 boundary = {
"type":
"Feature",
"properties": {},
"geometry": outline}
+
1504 data_extract = pg.execQuery(boundary)
+
1505 filter = FilterData(xlsform)
+
1506 filtered_data_extract = filter.cleanData(data_extract)
+
+
1508 updated_data_extract = {
"type":
"FeatureCollection",
"features": []}
+
+
+
1511 feature_mappings = []
+
+
1513 for feature
in filtered_data_extract[
"features"]:
+
+
1515 feature[
"properties"][
"title"] =
""
+
+
1517 feature_shape = shape(feature[
"geometry"])
+
+
+
1520 if extract_polygon
and (
+
1521 not shape(outline).contains(shape(feature_shape.centroid))
+
+
+
+
1525 wkb_element = from_shape(feature_shape, srid=4326)
+
+
1527 "project_id": project_id,
+
1528 "category_title": category,
+
1529 "geometry": wkb_element,
+
1530 "properties": feature[
"properties"],
+
+
1532 updated_data_extract[
"features"].append(feature)
+
1533 feature_mappings.append(feature_mapping)
+
+
1535 db.bulk_insert_mappings(db_models.DbFeatures, feature_mappings)
+
+
+
+
1539 tasks_list = tasks_crud.get_task_lists(db, project_id)
+
+
+
+
+
+
+
+
+
+
1549 for task
in tasks_list:
+
+
1551 generate_task_files(
+
+
+
+
+
+
+
+
1559 except Exception
as e:
+
+
+
+
1563 update_background_task_status_in_database(
+
1564 db, background_task_id, 4
+
+
+
1567 except Exception
as e:
+
+
+
+
1571 update_background_task_status_in_database(
+
1572 db, background_task_id, 2, str(e)
+
+
+
+
+
+
+
+
+
1581 odk_central_url: str =
None,
+
+
+
1584 log.debug(f
"Generating base64 encoded QR settings for token: {token}")
+
1585 qrcode_data = central_crud.create_qrcode(
+
1586 odk_id, token, project_name, odk_central_url
+
+
+
1589 log.debug(
"Generating QR code from base64 settings")
+
1590 qrcode = segno.make(qrcode_data, micro=
False)
+
+
1592 log.debug(
"Saving to buffer and decoding")
+
1593 buffer = io.BytesIO()
+
1594 qrcode.save(buffer, kind=
"png", scale=5)
+
1595 qrcode_binary = buffer.getvalue()
+
+
1597 log.debug(f
"Writing QR code to database for token {token}")
+
1598 qrdb = db_models.DbQrCode(image=qrcode_binary)
+
+
+
1601 codes = table(
"qr_code", column(
"id"))
+
1602 sql = select(sqlalchemy.func.count(codes.c.id))
+
1603 result = db.execute(sql)
+
1604 rows = result.fetchone()[0]
+
1605 return {
"data": qrcode,
"id": rows + 1,
"qr_code_id": qrdb.id}
+
+
+
1608 def get_project_geometry(db: Session, project_id: int):
+
1609 """Retrieves the geometry of a project.
+
+
+
1612 db (Session): The database session.
+
1613 project_id (int): The ID of the project.
+
+
+
1616 str: A geojson of the project outline.
+
+
1618 projects = table(
"projects", column(
"outline"), column(
"id"))
+
1619 where = f
"projects.id={project_id}"
+
1620 sql = select(geoalchemy2.functions.ST_AsGeoJSON(projects.c.outline)).where(
+
+
+
1623 result = db.execute(sql)
+
+
1625 if result.rowcount != 1:
+
1626 log.warning(str(sql))
+
+
1628 row = eval(result.first()[0])
+
1629 return json.dumps(row)
+
+
+
1632 def get_task_geometry(db: Session, project_id: int):
+
1633 """Retrieves the geometry of tasks associated with a project.
+
+
+
1636 db (Session): The database session.
+
1637 project_id (int): The ID of the project.
+
+
+
1640 str: A geojson of the task boundaries
+
+
1642 tasks = table(
"tasks", column(
"outline"), column(
"project_id"), column(
"id"))
+
1643 where = f
"project_id={project_id}"
+
1644 sql = select(geoalchemy2.functions.ST_AsGeoJSON(tasks.c.outline)).where(text(where))
+
1645 result = db.execute(sql)
+
+
+
+
1649 geometry = json.loads(row[0])
+
1650 feature = {
"type":
"Feature",
"geometry": geometry,
"properties": {}}
+
1651 features.append(feature)
+
+
1653 feature_collection = {
"type":
"FeatureCollection",
"features": features}
+
1654 return json.dumps(feature_collection)
+
+
+
1657 async
def get_project_features_geojson(db: Session, project_id: int):
+
+
+
1660 f
"""SELECT jsonb_build_object(
+
1661 'type', 'FeatureCollection',
+
1662 'features', jsonb_agg(feature)
+
+
+
1665 SELECT jsonb_build_object(
+
+
+
1668 'geometry', ST_AsGeoJSON(geometry)::jsonb,
+
1669 'properties', properties
+
+
+
1672 WHERE project_id={project_id}
+
+
+
+
+
1677 result = db.execute(query)
+
1678 features = result.fetchone()[0]
+
+
+
+
1682 def create_task_grid(db: Session, project_id: int, delta: int):
+
+
+
1685 projects = table(
"projects", column(
"outline"), column(
"id"))
+
1686 where = f
"projects.id={project_id}"
+
1687 sql = select(geoalchemy2.functions.ST_AsGeoJSON(projects.c.outline)).where(
+
+
+
1690 result = db.execute(sql)
+
+
1692 if result.rowcount != 1:
+
1693 log.warning(str(sql))
+
+
1695 data = result.fetchall()
+
1696 boundary = shape(loads(data[0][0]))
+
1697 minx, miny, maxx, maxy = boundary.bounds
+
+
+
1700 value = delta / 111139
+
+
1702 nx = int((maxx - minx) / value)
+
1703 ny = int((maxy - miny) / value)
+
+
+
+
+
+
1709 gx, gy = np.linspace(minx, maxx, ny), np.linspace(miny, miny + xdiff, ny)
+
+
1711 gx, gy = np.linspace(minx, minx + ydiff, nx), np.linspace(miny, maxy, nx)
+
+
+
+
+
1716 for i
in range(len(gx) - 1):
+
1717 for j
in range(len(gy) - 1):
+
+
+
+
+
1722 [gx[i + 1], gy[j + 1]],
+
+
+
+
+
+
1728 if boundary.intersection(poly):
+
1729 feature = geojson.Feature(
+
1730 geometry=boundary.intersection(poly), properties={
"id": str(id)}
+
+
+
1733 geom = shape(feature[
"geometry"])
+
+
1735 if geom.geom_type ==
"MultiPolygon":
+
+
1737 polygons = geom.geoms
+
+
1739 for x
in range(len(polygons)):
+
+
+
+
+
1744 "properties": {
"id": str(id)},
+
1745 "geometry": mapping(polygons[x]),
+
+
1747 grid.append(feature1)
+
+
+
1750 grid.append(feature)
+
+
1752 collection = geojson.FeatureCollection(grid)
+
+
+
1755 out = dumps(collection)
+
+
+
+
1759 result = json.loads(out)
+
1760 if len(result[
"features"]) == 0:
+
1761 geom = loads(data[0][0])
+
+
1763 "type":
"FeatureCollection",
+
+
+
+
+
1768 "properties": {
"id": project_id},
+
+
+
+
1772 out = json.dumps(out)
+
+
+
1775 except Exception
as e:
+
+
+
+
1779 def get_json_from_zip(zip, filename: str, error_detail: str):
+
+
1781 with zip.open(filename)
as file:
+
+
1783 return json.loads(data)
+
1784 except Exception
as e:
+
1785 raise HTTPException(status_code=400, detail=f
"{error_detail} ----- Error: {e}")
+
+
+
1788 def get_outline_from_geojson_file_in_zip(
+
1789 zip, filename: str, error_detail: str, feature_index: int = 0
+
+
+
1792 with zip.open(filename)
as file:
+
+
1794 json_dump = json.loads(data)
+
1795 check_crs(json_dump)
+
1796 feature_collection = geojson.FeatureCollection(json_dump)
+
1797 feature = feature_collection[
"features"][feature_index]
+
1798 geom = feature[
"geometry"]
+
1799 shape_from_geom = shape(geom)
+
1800 return shape_from_geom
+
1801 except Exception
as e:
+
+
1803 raise HTTPException(
+
+
1805 detail=f
"{error_detail} ----- Error: {e} ----",
+
+
+
+
1809 def get_shape_from_json_str(feature: str, error_detail: str):
+
+
1811 geom = feature[
"geometry"]
+
+
1813 except Exception
as e:
+
+
1815 raise HTTPException(
+
+
1817 detail=f
"{error_detail} ----- Error: {e} ---- Json: {feature}",
+
+
+
+
1821 def get_dbqrcode_from_file(zip, qr_filename: str, error_detail: str):
+
+
1823 with zip.open(qr_filename)
as qr_file:
+
1824 binary_qrcode = qr_file.read()
+
+
1826 return db_models.DbQrCode(
+
1827 filename=qr_filename,
+
1828 image=binary_qrcode,
+
+
+
1831 raise HTTPException(
+
1832 status_code=400, detail=f
"{qr_filename} is an empty file"
+
+
1834 except Exception
as e:
+
+
1836 raise HTTPException(
+
1837 status_code=400, detail=f
"{error_detail} ----- Error: {e}"
+
+
+
+
+
+
+
+
+
+
+
1848 def convert_to_app_project(db_project: db_models.DbProject):
+
+
1850 log.debug(
"Converting db project to app project")
+
1851 app_project: project_schemas.Project = db_project
+
+
1853 if db_project.outline:
+
1854 log.debug(
"Converting project outline to geojson")
+
1855 app_project.outline_geojson = geometry_to_geojson(
+
1856 db_project.outline, {
"id": db_project.id}, db_project.id
+
+
+
1859 app_project.project_tasks = tasks_crud.convert_to_app_tasks(db_project.tasks)
+
+
+
+
1863 log.debug(
"convert_to_app_project called, but no project provided")
+
+
+
+
1867 def convert_to_app_project_info(db_project_info: db_models.DbProjectInfo):
+
+
1869 app_project_info: project_schemas.ProjectInfo = db_project_info
+
1870 return app_project_info
+
+
+
+
+
1875 def convert_to_app_projects(db_projects: List[db_models.DbProject]):
+
1876 if db_projects
and len(db_projects) > 0:
+
+
1878 for project
in db_projects:
+
+
1880 app_projects.append(convert_to_app_project(project))
+
1881 app_projects_without_nones = [i
for i
in app_projects
if i
is not None]
+
1882 return app_projects_without_nones
+
+
+
+
+
1887 def convert_to_project_summary(db_project: db_models.DbProject):
+
+
1889 summary: project_schemas.ProjectSummary = db_project
+
+
1891 if db_project.project_info
and len(db_project.project_info) > 0:
+
1892 default_project_info = next(
+
1893 (x
for x
in db_project.project_info),
+
+
+
+
1897 summary.location_str = db_project.location_str
+
1898 summary.title = default_project_info.name
+
1899 summary.description = default_project_info.short_description
+
+
1901 summary.num_contributors = (
+
1902 db_project.tasks_mapped + db_project.tasks_validated
+
+
1904 summary.organisation_logo = (
+
1905 db_project.organisation.logo
if db_project.organisation
else None
+
+
+
+
+
+
+
+
1913 def convert_to_project_summaries(db_projects: List[db_models.DbProject]):
+
1914 if db_projects
and len(db_projects) > 0:
+
1915 project_summaries = []
+
1916 for project
in db_projects:
+
+
1918 project_summaries.append(convert_to_project_summary(project))
+
1919 app_projects_without_nones = [i
for i
in project_summaries
if i
is not None]
+
1920 return app_projects_without_nones
+
+
+
+
+
1925 def convert_to_project_feature(db_project_feature: db_models.DbFeatures):
+
1926 if db_project_feature:
+
1927 app_project_feature: project_schemas.Feature = db_project_feature
+
+
1929 if db_project_feature.geometry:
+
1930 app_project_feature.geometry = geometry_to_geojson(
+
1931 db_project_feature.geometry,
+
1932 db_project_feature.properties,
+
1933 db_project_feature.id,
+
+
+
1936 return app_project_feature
+
+
+
+
+
1941 def convert_to_project_features(db_project_features: List[db_models.DbFeatures]):
+
1942 if db_project_features
and len(db_project_features) > 0:
+
1943 app_project_features = []
+
1944 for project_feature
in db_project_features:
+
+
1946 app_project_features.append(convert_to_project_feature(project_feature))
+
1947 return app_project_features
+
+
+
+
+
1952 def get_project_features(db: Session, project_id: int, task_id: int =
None):
+
+
+
1955 db.query(db_models.DbFeatures)
+
1956 .filter(db_models.DbFeatures.project_id == project_id)
+
1957 .filter(db_models.DbFeatures.task_id == task_id)
+
+
+
+
+
1962 db.query(db_models.DbFeatures)
+
1963 .filter(db_models.DbFeatures.project_id == project_id)
+
+
+
1966 return convert_to_project_features(features)
+
+
+
1969 async
def get_extract_completion_count(project_id: int, db: Session):
+
+
1971 db.query(db_models.DbProject)
+
1972 .filter(db_models.DbProject.id == project_id)
+
+
+
1975 return project.extract_completed_count
+
+
+
1978 async
def get_background_task_status(task_id: uuid.UUID, db: Session):
+
1979 """Get the status of a background task."""
+
+
1981 db.query(db_models.BackgroundTasks)
+
1982 .filter(db_models.BackgroundTasks.id == str(task_id))
+
+
+
1985 return task.status, task.message
+
+
+
1988 async
def insert_background_task_into_database(
+
1989 db: Session, task_id: uuid.UUID, name: str =
None, project_id=
None
+
+
1991 """Inserts a new task into the database
+
+
1993 db: database session
+
1994 task_id: uuid of the task
+
1995 name: name of the task.
+
+
1997 task = db_models.BackgroundTasks(
+
1998 id=str(task_id), name=name, status=1, project_id=project_id
+
+
+
+
+
+
+
+
+
+
2008 def update_background_task_status_in_database(
+
2009 db: Session, task_id: uuid.UUID, status: int, message: str =
None
+
+
2011 """Updates the status of a task in the database
+
+
2013 db: database session
+
2014 task_id: uuid of the task
+
2015 status: status of the task.
+
+
2017 db.query(db_models.BackgroundTasks).filter(
+
2018 db_models.BackgroundTasks.id == str(task_id)
+
+
+
2021 db_models.BackgroundTasks.status: status,
+
2022 db_models.BackgroundTasks.message: message,
+
+
+
+
+
+
+
+
2030 def add_features_into_database(
+
+
+
2033 background_task_id: uuid.UUID,
+
+
+
2036 """Inserts a new task into the database
+
+
2038 db: database session
+
2039 project_id: id of the project
+
2040 features: features to be added.
+
+
+
+
+
2045 project_id = uuid.uuid4()
+
2046 if feature_type ==
"buildings":
+
2047 for feature
in features[
"features"]:
+
+
2049 feature_geometry = feature[
"geometry"]
+
2050 feature_shape = shape(feature_geometry)
+
+
2052 wkb_element = from_shape(feature_shape, srid=4326)
+
2053 building_obj = db_models.DbBuildings(
+
2054 project_id=project_id,
+
+
2056 tags=feature[
"properties"],
+
+
2058 db.add(building_obj)
+
+
+
+
+
+
+
+
2066 update_background_task_status_in_database(
+
2067 db, background_task_id, 4
+
+
+
2070 elif feature_type ==
"lines":
+
2071 for feature
in features[
"features"]:
+
+
2073 feature_geometry = feature[
"geometry"]
+
2074 feature_shape = shape(feature_geometry)
+
2075 feature[
"properties"][
"highway"] =
"yes"
+
+
2077 wkb_element = from_shape(feature_shape, srid=4326)
+
2078 db_feature = db_models.DbOsmLines(
+
2079 project_id=project_id,
+
+
2081 tags=feature[
"properties"],
+
+
+
+
+
+
+
+
+
+
+
2092 update_background_task_status_in_database(
+
2093 db, background_task_id, 4
+
+
+
+
2097 except Exception
as e:
+
+
+
+
2101 update_background_task_status_in_database(
+
2102 db, background_task_id, 2, str(e)
+
+
+
+
2106 async
def update_project_form(
+
2107 db: Session, project_id: int, form_type: str, form: UploadFile = File(
None)
+
+
2109 project = get_project(db, project_id)
+
2110 category = project.xform_title
+
2111 project_title = project.project_name_prefix
+
2112 odk_id = project.odkid
+
+
+
2115 odk_credentials = project_schemas.ODKCentral(
+
2116 odk_central_url=project.odk_central_url,
+
2117 odk_central_user=project.odk_central_user,
+
2118 odk_central_password=project.odk_central_password,
+
+
+
+
2122 xlsform = f
"/tmp/custom_form.{form_type}"
+
2123 contents = await form.read()
+
2124 with open(xlsform,
"wb")
as f:
+
+
+
2127 xlsform = f
"{xlsforms_path}/{category}.xls"
+
+
2129 db.query(db_models.DbFeatures).filter(
+
2130 db_models.DbFeatures.project_id == project_id
+
+
+
+
+
2135 pg = PostgresClient(
"underpass")
+
+
2137 f
"/tmp/{project_title}_{category}.geojson"
+
+
+
2140 extract_polygon =
True if project.data_extract_type ==
"polygon" else False
+
+
2142 project = table(
"projects", column(
"outline"))
+
+
+
+
2146 geoalchemy2.functions.ST_AsGeoJSON(project.c.outline).label(
"outline"),
+
2147 ).where(text(f
"id={project_id}"))
+
2148 result = db.execute(sql)
+
2149 project_outline = result.first()
+
+
2151 final_outline = json.loads(project_outline.outline)
+
+
2153 outline_geojson = pg.getFeatures(
+
2154 boundary=final_outline,
+
+
2156 polygon=extract_polygon,
+
2157 xlsfile=f
"{category}.xls",
+
+
+
+
2161 updated_outline_geojson = {
"type":
"FeatureCollection",
"features": []}
+
+
+
2164 feature_mappings = []
+
+
2166 for feature
in outline_geojson[
"features"]:
+
+
2168 feature[
"properties"][
"title"] =
""
+
+
2170 feature_shape = shape(feature[
"geometry"])
+
+
+
+
+
+
2176 wkb_element = from_shape(feature_shape, srid=4326)
+
+
2178 "project_id": project_id,
+
2179 "category_title": category,
+
2180 "geometry": wkb_element,
+
2181 "properties": feature[
"properties"],
+
+
2183 updated_outline_geojson[
"features"].append(feature)
+
2184 feature_mappings.append(feature_mapping)
+
+
+
2187 db_feature = db_models.DbFeatures(
+
2188 project_id=project_id,
+
2189 category_title=category,
+
2190 geometry=wkb_element,
+
2191 properties=feature[
"properties"],
+
+
+
+
+
2196 tasks_list = tasks_crud.get_task_lists(db, project_id)
+
+
2198 for task
in tasks_list:
+
2199 task_obj = tasks_crud.get_task(db, task)
+
+
+
+
+
+
+
+
+
+
+
+
2211 WHERE project_id={project_id} and ST_Intersects(geometry, '{task_obj.outline}'::Geometry)
+
+
+
+
+
2216 result = db.execute(query)
+
+
+
+
2220 f
"""SELECT jsonb_build_object(
+
2221 'type', 'FeatureCollection',
+
2222 'features', jsonb_agg(feature)
+
+
+
2225 SELECT jsonb_build_object(
+
+
+
2228 'geometry', ST_AsGeoJSON(geometry)::jsonb,
+
2229 'properties', properties
+
+
+
2232 WHERE project_id={project_id} and task_id={task}
+
+
+
+
2236 result = db.execute(query)
+
2237 features = result.fetchone()[0]
+
+
2239 xform = f
"/tmp/{project_title}_{category}_{task}.xml"
+
2240 extracts = f
"/tmp/{project_title}_{category}_{task}.geojson"
+
+
+
2243 with open(extracts,
"w")
as jsonfile:
+
2244 jsonfile.truncate(0)
+
2245 dump(features, jsonfile)
+
+
2247 outfile = central_crud.generate_updated_xform(xlsform, xform, form_type)
+
+
+
2250 result = central_crud.create_odk_xform(
+
2251 odk_id, task, xform, odk_credentials,
True,
True,
False
+
+
+
+
+
+
2257 async
def update_odk_credentials(
+
2258 project_instance: project_schemas.BETAProjectUpload,
+
2259 odk_central_cred: project_schemas.ODKCentral,
+
+
+
+
2263 project_instance.odkid = odkid
+
2264 project_instance.odk_central_url = odk_central_cred.odk_central_url
+
2265 project_instance.odk_central_user = odk_central_cred.odk_central_user
+
2266 project_instance.odk_central_password = odk_central_cred.odk_central_password
+
+
+
2269 db.refresh(project_instance)
+
+
+
2272 async
def get_extracted_data_from_db(db: Session, project_id: int, outfile: str):
+
2273 """Get the geojson of those features for this project."""
+
+
2275 f
"""SELECT jsonb_build_object(
+
2276 'type', 'FeatureCollection',
+
2277 'features', jsonb_agg(feature)
+
+
+
2280 SELECT jsonb_build_object(
+
+
+
2283 'geometry', ST_AsGeoJSON(geometry)::jsonb,
+
2284 'properties', properties
+
+
+
2287 WHERE project_id={project_id}
+
+
+
+
2291 result = db.execute(query)
+
2292 features = result.fetchone()[0]
+
+
+
2295 with open(outfile,
"w")
as jsonfile:
+
2296 jsonfile.truncate(0)
+
2297 dump(features, jsonfile)
+
+
+
2300 def get_project_tiles(
+
+
+
+
2304 background_task_id: uuid.UUID,
+
+
2306 """Get the tiles for a project."""
+
2307 zooms = [12, 13, 14, 15, 16, 17, 18, 19]
+
+
2309 tiles_path_id = uuid.uuid4()
+
2310 tiles_dir = f
"{TILESDIR}/{tiles_path_id}"
+
2311 base = f
"{tiles_dir}/{source}tiles"
+
2312 outfile = f
"{tiles_dir}/{project_id}_{source}tiles.mbtiles"
+
+
2314 if not os.path.exists(base):
+
+
+
2317 tile_path_instance = db_models.DbTilesPath(
+
2318 project_id=project_id,
+
2319 background_task_id=str(background_task_id),
+
+
+
+
+
+
+
2326 db.add(tile_path_instance)
+
+
+
+
+
2331 f
"""SELECT jsonb_build_object(
+
2332 'type', 'FeatureCollection',
+
2333 'features', jsonb_agg(feature)
+
+
+
2336 SELECT jsonb_build_object(
+
+
+
2339 'geometry', ST_AsGeoJSON(outline)::jsonb
+
+
+
2342 WHERE id={project_id}
+
+
+
+
2346 result = db.execute(query)
+
2347 features = result.fetchone()[0]
+
+
+
2350 boundary_file = f
"/tmp/{project_id}_boundary.geojson"
+
+
+
2353 with open(boundary_file,
"w")
as jsonfile:
+
2354 jsonfile.truncate(0)
+
2355 dump(features, jsonfile)
+
+
2357 basemap = basemapper.BaseMapper(boundary_file, base, source,
False)
+
2358 outf = basemapper.DataFile(outfile, basemap.getFormat())
+
2359 suffix = os.path.splitext(outfile)[1]
+
2360 if suffix ==
".mbtiles":
+
2361 outf.addBounds(basemap.bbox)
+
+
2363 basemap.getTiles(level)
+
+
+
2366 outf.writeTiles(basemap.tiles, base)
+
+
2368 log.info(
"Only downloading tiles to %s!" % base)
+
+
2370 tile_path_instance.status = 4
+
+
+
+
2374 update_background_task_status_in_database(
+
2375 db, background_task_id, 4
+
+
+
2378 log.info(f
"Tiles generation process completed for project id {project_id}")
+
+
2380 except Exception
as e:
+
2381 log.error(f
"Tiles generation process failed for project id {project_id}")
+
+
+
2384 tile_path_instance.status = 2
+
+
+
+
2388 update_background_task_status_in_database(
+
2389 db, background_task_id, 2, str(e)
+
+
+
+
2393 async
def get_mbtiles_list(db: Session, project_id: int):
+
+
+
+
2397 db_models.DbTilesPath.id,
+
2398 db_models.DbTilesPath.project_id,
+
2399 db_models.DbTilesPath.status,
+
2400 db_models.DbTilesPath.tile_source,
+
+
2402 .filter(db_models.DbTilesPath.project_id == str(project_id))
+
+
+
+
2406 processed_tiles_list = [
+
+
+
2409 "project_id": x.project_id,
+
2410 "status": x.status.name,
+
2411 "tile_source": x.tile_source,
+
+
+
+
+
2416 return processed_tiles_list
+
+
2418 except Exception
as e:
+
2419 raise HTTPException(status_code=400, detail=str(e))
+
+
+
2422 async
def convert_geojson_to_osm(geojson_file: str):
+
2423 """Convert a GeoJSON file to OSM format."""
+
2424 return json2osm(geojson_file)
+
+
+
2427 def generate_appuser_files_for_janakpur(
+
+
+
+
2431 building_extracts_contents: str,
+
2432 road_extracts_contents: str,
+
+
+
2435 background_task_id: uuid.UUID,
+
+
2437 project_log = log.bind(task=
"create_project", project_id=project_id)
+
+
2439 project_log.info(f
"Starting generate_appuser_files for project {project_id}")
+
+
+
+
+
2444 column(
"project_name_prefix"),
+
2445 column(
"xform_title"),
+
+
+
2448 column(
"odk_central_url"),
+
2449 column(
"odk_central_user"),
+
2450 column(
"odk_central_password"),
+
+
+
+
2454 where = f
"id={project_id}"
+
+
2456 project.c.project_name_prefix,
+
2457 project.c.xform_title,
+
+
+
2460 project.c.odk_central_url,
+
2461 project.c.odk_central_user,
+
2462 project.c.odk_central_password,
+
2463 geoalchemy2.functions.ST_AsGeoJSON(project.c.outline).label(
"outline"),
+
2464 ).where(text(where))
+
2465 result = db.execute(sql)
+
+
+
2468 if result.rowcount != 1:
+
2469 log.warning(str(sql))
+
2470 if result.rowcount < 1:
+
2471 raise HTTPException(status_code=400, detail=
"Project not found")
+
+
2473 raise HTTPException(status_code=400, detail=
"Multiple projects found")
+
+
2475 one = result.first()
+
+
+
2478 prefix = one.project_name_prefix
+
+
+
+
2482 "odk_central_url": one.odk_central_url,
+
2483 "odk_central_user": one.odk_central_user,
+
2484 "odk_central_password": one.odk_central_password,
+
+
+
2487 odk_credentials = project_schemas.ODKCentral(**odk_credentials)
+
+
2489 xform_title = one.xform_title
if one.xform_title
else None
+
+
+
2492 xlsform = f
"/tmp/custom_form.{form_type}"
+
+
2494 with open(xlsform,
"wb")
as f:
+
+
+
2497 xlsform = f
"{xlsforms_path}/{xform_title}.xls"
+
+
2499 category = xform_title
+
+
+
+
2503 if building_extracts_contents
is not None:
+
2504 project_log.info(
"Uploading data extracts")
+
2505 upload_custom_data_extracts(db, project_id, building_extracts_contents)
+
+
2507 if road_extracts_contents
is not None:
+
2508 project_log.info(
"Uploading roads data")
+
2509 upload_custom_data_extracts(
+
2510 db, project_id, road_extracts_contents,
"highways"
+
+
+
+
+
2515 tasks_list = tasks_crud.get_task_lists(db, project_id)
+
+
2517 project_name = prefix
+
+
2519 project_obj = get_project(db, project_id)
+
+
2521 for task_id
in tasks_list:
+
+
2523 name = f
"{project_name}_{category}_{task_id}"
+
+
2525 appuser = central_crud.create_appuser(odk_id, name, odk_credentials)
+
+
+
+
2529 project_log.error(
"Couldn't create appuser for project")
+
+
+
+
2533 project_log.info(f
"Creating qr code for task_id {task_id}")
+
2534 create_qr = create_qrcode(
+
+
+
2537 appuser.json()[
"token"],
+
+
2539 odk_credentials.odk_central_url,
+
+
+
2542 task = tasks_crud.get_task(db, task_id)
+
2543 task.qr_code_id = create_qr[
"qr_code_id"]
+
+
+
+
+
2548 xform = f
"/tmp/{name}.xml"
+
+
2550 buildings_extracts = (
+
2551 f
"/tmp/buildings_{name}.geojson"
+
+
+
2554 f
"/tmp/roads_{name}.geojson"
+
+
+
+
2558 xform_id = f
"{name}".split(
"_")[2]
+
+
+
+
+
+
+
2565 SET task_id={task_id}
+
+
+
+
2569 WHERE project_id={project_id}
+
2570 AND ST_IsValid(geometry)
+
2571 AND ST_IsValid('{task.outline}'::Geometry)
+
2572 AND ST_Contains('{task.outline}'::Geometry, ST_Centroid(geometry))
+
+
+
2575 result = db.execute(query)
+
+
+
2578 buildings_query = text(
+
2579 f
"""SELECT jsonb_build_object(
+
2580 'type', 'FeatureCollection',
+
2581 'features', jsonb_agg(feature)
+
+
+
2584 SELECT jsonb_build_object(
+
+
+
2587 'geometry', ST_AsGeoJSON(geometry)::jsonb,
+
2588 'properties', properties
+
+
+
2591 WHERE project_id={project_id} and task_id={task_id} and category_title='buildings'
+
+
+
2594 result = db.execute(buildings_query)
+
2595 features = result.fetchone()[0]
+
+
2597 highway_query = text(
+
2598 f
"""SELECT jsonb_build_object(
+
2599 'type', 'FeatureCollection',
+
2600 'features', jsonb_agg(feature)
+
+
+
2603 SELECT jsonb_build_object(
+
+
+
2606 'geometry', ST_AsGeoJSON(geometry)::jsonb,
+
2607 'properties', properties
+
+
+
2610 WHERE project_id={project_id} and category_title='highways'
+
+
+
2613 highway_result = db.execute(highway_query)
+
2614 highway_features = highway_result.fetchone()[0]
+
+
+
+
+
+
2620 with open(buildings_extracts,
"w")
as jsonfile:
+
2621 jsonfile.truncate(0)
+
2622 dump(features, jsonfile)
+
+
+
2625 with open(roads_extracts,
"w")
as jsonfile:
+
2626 jsonfile.truncate(0)
+
2627 dump(highway_features, jsonfile)
+
+
2629 project_log.info(f
"Generating xform for task {task_id}")
+
2630 outfile = central_crud.generate_updated_xform_for_janakpur(
+
2631 xlsform, xform, form_type
+
+
+
+
2635 project_log.info(f
"Uploading media in {task_id}")
+
2636 result = central_crud.create_odk_xform_for_janakpur(
+
2637 odk_id, task, outfile, odk_credentials,
False, upload_media
+
+
+
2640 project_log.info(f
"Updating role for app user in task {task_id}")
+
+
+
+
+
2645 url = odk_credentials.odk_central_url
+
2646 user = odk_credentials.odk_central_user
+
2647 pw = odk_credentials.odk_central_password
+
+
+
2650 log.debug(
"ODKCentral connection variables not set in function")
+
2651 log.debug(
"Attempting extraction from environment variables")
+
2652 url = settings.ODK_CENTRAL_URL
+
2653 user = settings.ODK_CENTRAL_USER
+
2654 pw = settings.ODK_CENTRAL_PASSWD
+
+
2656 odk_app = OdkAppUser(url, user, pw)
+
+
+
2659 projectId=odk_id, xform=xform_id, actorId=appuser.json()[
"id"]
+
+
+
2662 except Exception
as e:
+
+
+
2665 project_obj.extract_completed_count += 1
+
+
2667 db.refresh(project_obj)
+
+
+
2670 update_background_task_status_in_database(
+
2671 db, background_task_id, 4
+
+
+
+
2675 def get_address_from_lat_lon(latitude, longitude):
+
2676 """Get address using Nominatim, using lat,lon."""
+
2677 base_url =
"https://nominatim.openstreetmap.org/reverse"
+
+
+
+
+
+
+
+
2685 headers = {
"Accept-Language":
"en"}
+
+
2687 response = requests.get(base_url, params=params, headers=headers)
+
2688 data = response.json()
+
2689 address = data[
"address"][
"country"]
+
+
2691 if response.status_code == 200:
+
2692 if "city" in data[
"address"]:
+
2693 city = data[
"address"][
"city"]
+
2694 address = f
"{city}" +
"," + address
+
+
+
2697 return "Address not found."
+
+
+
2700 def update_project_location_info(
+
2701 db_project: sqlalchemy.orm.declarative_base, project_boundary: str
+
+
2703 """Update project boundary, centroid, address.
+
+
+
2706 db_project(sqlalchemy.orm.declarative_base): The project database record.
+
2707 project_boundary(str): WKT string geometry.
+
+
2709 db_project.outline = project_boundary
+
2710 centroid = (wkt.loads(project_boundary)).centroid.wkt
+
2711 db_project.centroid = centroid
+
2712 geometry = wkt.loads(centroid)
+
2713 longitude, latitude = geometry.x, geometry.y
+
2714 address = get_address_from_lat_lon(latitude, longitude)
+
2715 db_project.location_str = address
if address
is not None else ""
+
+
+
2718 def convert_geojson_to_epsg4326(input_geojson):
+
2719 source_crs = pyproj.CRS(
+
2720 input_geojson.get(
"crs", {}).get(
"properties", {}).get(
"name",
"EPSG:4326")
+
+
2722 transformer = pyproj.Transformer.from_crs(source_crs,
"EPSG:4326", always_xy=
True)
+
+
+
2725 transformed_features = []
+
2726 for feature
in input_geojson.get(
"features", []):
+
2727 geom = shape(feature.get(
"geometry", {}))
+
2728 transformed_geom = transform(transformer.transform, geom)
+
2729 transformed_feature = {
+
+
2731 "geometry": transformed_geom.__geo_interface__,
+
2732 "properties": feature.get(
"properties", {}),
+
+
2734 transformed_features.append(transformed_feature)
+
+
+
2737 output_geojson = {
"type":
"FeatureCollection",
"features": transformed_features}
+
+
2739 return output_geojson
+
+
+
2742 def check_crs(input_geojson: dict):
+
2743 log.debug(
"validating coordinate reference system")
+
+
2745 def is_valid_crs(crs_name):
+
+
2747 "urn:ogc:def:crs:OGC:1.3:CRS84",
+
2748 "urn:ogc:def:crs:EPSG::4326",
+
+
+
2751 return crs_name
in valid_crs_list
+
+
2753 def is_valid_coordinate(coord):
+
2754 return -180 <= coord[0] <= 180
and -90 <= coord[1] <= 90
+
+
2756 error_message =
"ERROR: Unsupported coordinate system, it is recommended to use a GeoJSON file in WGS84(EPSG 4326) standard."
+
2757 if "crs" in input_geojson:
+
2758 crs = input_geojson[
"crs"][
"properties"][
"name"]
+
2759 if not is_valid_crs(crs):
+
2760 log.error(error_message)
+
2761 raise HTTPException(status_code=400, detail=error_message)
+
+
+
2764 if input_geojson[
"type"] ==
"FeatureCollection":
+
2765 coordinates = input_geojson[
"features"][0][
"geometry"][
"coordinates"]
+
2766 elif input_geojson[
"type"] ==
"Feature":
+
2767 coordinates = input_geojson[
"geometry"][
"coordinates"]
+
+
2769 input_geojson[
"features"][0][
"geometry"][
"type"]
+
2770 if input_geojson[
"type"] ==
"FeatureCollection"
+
2771 else input_geojson[
"geometry"][
"type"]
+
+
+
2774 if geometry_type ==
"MultiPolygon":
+
2775 first_coordinate = coordinates[0][0][
+
+
+
+
2779 first_coordinate = coordinates[0][0]
+
+
2781 if not is_valid_coordinate(first_coordinate):
+
2782 log.error(error_message)
+
2783 raise HTTPException(status_code=400, detail=error_message)
+
First off, We are really glad you're reading this, because we need volunteer developers to help improve the Field Mapping Tasking Manager (FMTM)! 
Thank you¶