basic automated import tagging

src/geo-backend/accounts.txt

@@ -0,0 +1,3 @@
+Test Accounts:
+
+admin:hei8iWae

src/geo-backend/daemon.py

@@ -1,4 +1,5 @@
 import logging
+import sys
 import threading
 import time
 
@@ -7,6 +8,7 @@ from geo_lib.daemon.workers.importer import import_worker
 from geo_lib.redis import flush_redis
 
 logging.basicConfig(level=logging.INFO)  # TODO: config level
+_logger = logging.getLogger("DAEMON")
 
 flush_redis()
 
@@ -15,6 +17,11 @@ Database.initialise(minconn=1, maxconn=100, host='h.postgres.nb', database='geob
 
 import_thread = threading.Thread(target=import_worker)
 import_thread.start()
+_logger.info('Started importer')
 
 while True:
-    time.sleep(3600)
+    try:
+        time.sleep(3600)
+    except KeyboardInterrupt:
+        # TODO: shut down workers
+        sys.exit(0)

src/geo-backend/data/models.py

@@ -5,7 +5,7 @@ from django.db import models
 class ImportQueue(models.Model):
     id = models.AutoField(primary_key=True)
     user = models.ForeignKey(get_user_model(), on_delete=models.CASCADE)
-    geojson = models.JSONField(default=dict)
+    geofeatures = models.JSONField(default=dict)
     original_filename = models.TextField()
     raw_kml = models.TextField()
     raw_kml_hash = models.CharField(max_length=64, unique=True)

src/geo-backend/data/views/import_item.py

@@ -70,21 +70,21 @@ def fetch_import_queue(request, id):
         if queue.user_id != request.user.id:
             return JsonResponse({'success': False, 'msg': 'not authorized to view this item', 'code': 403}, status=400)
         if len(queue.geojson):
-            return JsonResponse({'success': True, 'geojson': queue.geojson}, status=200)
-        return JsonResponse({'success': True, 'geojson': {}, 'msg': 'uploaded data still processing'}, status=200)
+            return JsonResponse({'success': True, 'geofeatures': queue.geojson}, status=200)
+        return JsonResponse({'success': True, 'geofeatures': {}, 'msg': 'uploaded data still processing'}, status=200)
     except ImportQueue.DoesNotExist:
         return JsonResponse({'success': False, 'msg': 'ID does not exist', 'code': 404}, status=400)
 
 
 @login_required_401
 def fetch_queued(request):
-    user_items = ImportQueue.objects.filter(user=request.user).values('id', 'geojson', 'original_filename', 'raw_kml_hash', 'data', 'timestamp')
+    user_items = ImportQueue.objects.filter(user=request.user).values('id', 'geofeatures', 'original_filename', 'raw_kml_hash', 'data', 'timestamp')
     data = json.loads(json.dumps(list(user_items), cls=DjangoJSONEncoder))
     for i, item in enumerate(data):
-        count = len(item['geojson'].get('features', []))
-        item['processing'] = len(item['geojson']) == 0
+        count = len(item['geofeatures'])
+        item['processing'] = len(item['geofeatures']) == 0
         item['feature_count'] = count
-        del item['geojson']
+        del item['geofeatures']
     return JsonResponse({'data': data})
 
 

src/geo-backend/dev.sh

@@ -0,0 +1,2 @@
+#!/bin/bash
+./manage.py runserver

src/geo-backend/geo_lib/daemon/workers/importer.py

@@ -8,12 +8,14 @@ from psycopg2.extras import RealDictCursor
 
 from geo_lib.daemon.database.connection import CursorFromConnectionFromPool
 from geo_lib.daemon.database.locking import DBLockManager
+from geo_lib.daemon.workers.workers_lib.importer.tagging import generate_auto_tags
 from geo_lib.logging.database import log_to_db, DatabaseLogLevel, DatabaseLogSource
 from geo_lib.spatial.kml import kml_to_geojson
 from geo_lib.time import get_time_ms
+from geo_lib.types.item import geojson_to_geofeature
 
-_SQL_GET_UNPROCESSED_ITEMS = "SELECT * FROM public.data_importqueue WHERE geojson = '{}' ORDER BY id ASC"
-_SQL_INSERT_PROCESSED_ITEM = "UPDATE public.data_importqueue SET geojson = %s WHERE id = %s"
+_SQL_GET_UNPROCESSED_ITEMS = "SELECT * FROM public.data_importqueue WHERE geofeatures = '{}' ORDER BY id ASC"
+_SQL_INSERT_PROCESSED_ITEM = "UPDATE public.data_importqueue SET geofeatures = %s WHERE id = %s"
 _SQL_DELETE_ITEM = "DELETE FROM public.data_importqueue WHERE id = %s"
 
 _logger = logging.getLogger("DAEMON").getChild("IMPORTER")
@@ -39,8 +41,12 @@ def import_worker():
         for item in queue:
             start = get_time_ms()
             success = False
+            geofetures = []
             try:
                 geojson_data, messages = kml_to_geojson(item['raw_kml'])
+                geofetures = geojson_to_geofeature(geojson_data)
+                for feature in geofetures:
+                    feature.tags = generate_auto_tags(feature)
                 success = True
             except Exception as e:
                 err_name = e.__class__.__name__
@@ -51,15 +57,15 @@ def import_worker():
                 log_to_db(msg, level=DatabaseLogLevel.ERROR, user_id=item['user_id'], source=DatabaseLogSource.IMPORT)
                 traceback.print_exc()
                 with CursorFromConnectionFromPool(cursor_factory=RealDictCursor) as cursor:
+                    # TODO: log error
                     cursor.execute(_SQL_DELETE_ITEM, (item['id'],))
             if success:
                 with CursorFromConnectionFromPool(cursor_factory=RealDictCursor) as cursor:
-                    cursor.execute(_SQL_INSERT_PROCESSED_ITEM, (json.dumps(geojson_data, sort_keys=True), item['id']))
+                    data = json.dumps([json.loads(x.model_dump_json()) for x in geofetures])
+                    cursor.execute(_SQL_INSERT_PROCESSED_ITEM, (data, item['id']))
                 _logger.info(f'IMPORT: processed #{item["id"]} in {round((get_time_ms() - start) / 1000, 2)} seconds -- {worker_id}')
             lock_manager.unlock_row('data_importqueue', item['id'])
 
         if not len(queue):
             # Only sleep if there were no items last time we checked.
             time.sleep(5)
-
-# def _process_item_data(item)

src/geo-backend/geo_lib/daemon/workers/workers_lib/importer/tagging.py

@@ -0,0 +1,13 @@
+from datetime import datetime
+from typing import List
+
+from geo_lib.types.item import GeoFeature
+
+
+def generate_auto_tags(feature: GeoFeature) -> List[str]:
+    tags = []
+    tags.append(f'type:{feature.geometry.type.value}')
+    now = datetime.now()
+    tags.append(f'year:{now.year}')
+    tags.append(f'month:{now.strftime("%B")}')
+    return [str(x) for x in tags]

src/geo-backend/geo_lib/types/geojson.py

@@ -1,9 +1,10 @@
-from typing import Optional
+from typing import Optional, List
 
-from pydantic import BaseModel
+from pydantic import BaseModel, Field
 
 
 class GeojsonRawProperty(BaseModel):
-    # Whitelist these properties.
+    # A class to whitelist these properties.
     name: str
     description: Optional[str] = None
+    feature_tags: List[str] = Field(default_factory=list)

src/geo-backend/geo_lib/types/item.py

@@ -0,0 +1,44 @@
+from enum import Enum
+from typing import Tuple, Optional, List
+
+from pydantic import Field, BaseModel
+
+
+class GeoFeatureType(Enum):
+    POINT = 'Point'
+    LINESTRING = 'LineString'
+    POLYGON = 'Polygon'
+
+
+class GeoFeatureGeomoetry(BaseModel):
+    type: GeoFeatureType
+    coordinates: List[float] | List[List[float]] | List[List[List[float]]]
+
+
+class GeoFeature(BaseModel):
+    """
+    A thing that's shown on the map.
+    Can be a point, linestring, or polygon.
+    """
+    name: str
+    id: int  # From the database
+    type: GeoFeatureType
+    description: Optional[str] = None
+    tags: List[str] = Field(default_factory=list)
+    geometry: GeoFeatureGeomoetry
+
+
+def geojson_to_geofeature(geojson: dict) -> List[GeoFeature]:
+    result = []
+    for item in geojson['features']:
+        result.append(
+            GeoFeature(
+                name=item['properties']['title'],
+                id=-1,  # This will be updated after it's added to the main data store.
+                type=GeoFeatureType(item['geometry']['type']),
+                description=item['properties']['description'],
+                tags=item['properties']['feature_tags'],
+                geometry=GeoFeatureGeomoetry(**item['geometry'])
+            )
+        )
+    return result

src/geo-backend/users/views/register.py

@@ -1,5 +1,5 @@
 from django.contrib.auth import login
-from django.shortcuts import render
+from django.shortcuts import render, redirect
 
 from users.forms import CustomUserCreationForm
 
@@ -15,3 +15,6 @@ def register(request):
         if form.is_valid():
             user = form.save()
             login(request, user)
+            return redirect('/account/login/')
+        else:
+            return render(request, "users/register.html", {"form": form})  # return the form with errors