Reduced need for routing by limiting to a radius of 7 miles

crawler/exploration.ipynb

@@ -1656,40 +1656,53 @@
    "cell_type": "markdown",
    "id": "87ead853-8a71-4de9-98d1-f4f2673a5592",
    "metadata": {},
+   "source": []
+  },
+  {
+   "cell_type": "markdown",
+   "id": "98f8e950-2a3b-4856-aa62-3bc758e2fd42",
+   "metadata": {},
    "source": [
-    "x"
+    "# Find out the proper radius we want to use"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "id": "862e9e52-53fa-4bf9-8e31-7847481d45be",
-   "metadata": {},
-   "outputs": [],
-   "source": []
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "e284aefd-c280-4d82-935c-969b022b6bbc",
-   "metadata": {},
-   "outputs": [],
-   "source": []
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 50,
    "id": "04bb61d5-cba7-4739-9568-b00342c1b636",
    "metadata": {},
-   "outputs": [],
-   "source": []
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Filtered listings from 32271 to 15804\n"
+     ]
+    }
+   ],
+   "source": [
+    "from data_access import Listing\n",
+    "from geopy.distance import geodesic\n",
+    "\n",
+    "listings = Listing.get_all_listings()\n",
+    "BROCK_STREET_LAT_LONG = 51.52570434674584, -0.13956495005056113\n",
+    "\n",
+    "# reduce listings to everything within 7 miles\n",
+    "filtered_listings = []\n",
+    "for listing in listings:\n",
+    "    miles = geodesic(BROCK_STREET_LAT_LONG, (listing.latitude, listing.longitude)).miles\n",
+    "    if miles <= 7:\n",
+    "        filtered_listings.append(listing)\n",
+    "\n",
+    "print(f\"Filtered listings from {len(listings)} to {len(filtered_listings)}\")"
+   ]
   },
   {
    "cell_type": "markdown",
    "id": "a73fba2d-afeb-4194-8421-eff8e84a14e9",
    "metadata": {},
    "source": [
-    "# Typeahead"
+    "# Typeahead / fetch all boroughs"
    ]
   },
   {