update: backtrack

server/main.py

@@ -3,6 +3,7 @@ from http.server import HTTPServer, BaseHTTPRequestHandler
 from consts import SSL_CERT_PATH, SSL_KEY_PATH, HOST, PORT
 from map.get_measurements import get_all_markers
 from map.add_lake import cut_map
+from map.process_lake import fetch_divided_map
 from APIs.get_weather import get_weather
 from map.input_new_data import input_new_Lidar_data
 import ssl
@@ -40,7 +41,9 @@ class IceHTTP(BaseHTTPRequestHandler):
             get_all_markers(self, self.cursor, 'mjosa')  # Get all markers
             # NB: temporary hardcoded waterBodyName
         elif self.path == '/get_relation':
-            cut_map(self, 'Mjosa')  # NB temp hardcoded value
+            fetch_divided_map(self, 'Mjosa')  # NB temp hardcoded value
+        elif self.path == '/divide_new_relation':
+            cut_map(self, 'Mjosa')
 
     def do_POST(self):
         if self.path == '/get_weather_data':

server/map/process_lake.py

+import geopandas as gpd
+from shapely.geometry import Polygon, LineString, MultiLineString
+from shapely.ops import linemerge, unary_union, polygonize
+import matplotlib.pyplot as plt
+import random
+import math
+import json
+import os
+
+
+# Writes contents of a map json file to the response
+def fetch_divided_map(self, file_name):
+    self.send_response(200)
+    self.send_header("Content-type", "application/json")
+    self.end_headers()
+
+    # Extract contents from JSON file
+    with open("server/lake_relations/" + file_name + "_div.json", "r") as file:
+        data = file.read()
+
+    # Write contents of the JSON file to response
+    self.wfile.write(data.encode('utf-8'))
+
+
+# Returns a list of [(sub_div_id, sub_div_center)]
+def get_ids_and_centers(file_name):  # NB buggy
+    # Expected format: [(id, [x,y]), (id, [x,y])]
+    geo_data = gpd.read_file("server/lake_relations/" + file_name + "_div.json")
+    subdivisions = []
+    for index, row in geo_data.iterrows():
+        sub_div_id = row['sub_div_id']
+        sub_div_center = row['sub_div_center']
+
+        print("sub_div_id: ", sub_div_id)
+
+        subdivision = {
+            'sub_div_id': sub_div_id,
+            'sub_div_center': sub_div_center
+        }
+        subdivisions.append(subdivision)
+    return subdivisions
+