Make map download less misleading

dkroutingtool/src/py/server.py

@@ -154,8 +154,7 @@ def download(session_id: str=''):
 
 @app.get('/request_map/')
 def request_map(minlat, minlon, maxlat, maxlon):  
-    stateful_info['bounding_box'] = [minlat, minlon, maxlat, maxlon]
-
+
     request_template = f'''
     [out:xml]
     [bbox:{minlon},{minlat}, {maxlon}, {maxlat}];
@@ -171,6 +170,7 @@ def request_map(minlat, minlon, maxlat, maxlon):
         opened.write(r.text)
     os.environ['osm_filename'] = 'ui_map'
     temporary_build_profiles()
+    stateful_info['bounding_box'] = [minlat, minlon, maxlat, maxlon]
     return {'message': 'Done'}
 
 
@@ -220,4 +220,4 @@ def temporary_build_profiles(osmpbf=False):
 
 
 if __name__ == '__main__':
-    uvicorn.run(app, host='0.0.0.0', port=5001)
+    uvicorn.run(app, host='0.0.0.0', port=5001)

dkroutingtool/src/py/ui/dashboard.py

@@ -572,6 +572,11 @@ def main():
 
             if bound_check(tuple(bounding_box), old_bounding_box):
                 st.write(':heavy_check_mark: The currently available map covers the desired area, no need to redownload it unless you edited OSM since the last download')
+            elif area < 0.2 and 'alreadydownloaded' not in st.session_state:
+                st.session_state['alreadydownloaded'] = True
+                with st.spinner("Downloading the road network. Please wait..."):
+                    request_map(bounding_box)
+                st.rerun()
             else:
                 st.error(f"It would be recommended to download the area as you have locations in your input data outside the currently downloaded area. The size is {round(area,2)} in Cartesian square units, be mindful that values above 0.2 may lead to the download taking many minutes")
 
@@ -744,4 +749,4 @@ def update_data():
 
 
 if __name__ == '__main__':
-    main()
+    main()