Enhance geocoding functionality with host resolution and improved error handling; update AdventureModal for loading state management; refine LocationDropdown toast display logic; adjust world travel page for better documentation link visibility.

backend/server/adventures/geocoding.py

@@ -1,4 +1,6 @@
 import requests
+import time
+import socket
 from worldtravel.models import Region, City, VisitedRegion, VisitedCity
 
 def extractIsoCode(user, data):
@@ -56,16 +58,38 @@ def extractIsoCode(user, data):
             return {"region_id": iso_code, "region": region.name, "country": region.country.name, "country_id": region.country.country_code, "region_visited": region_visited, "display_name": display_name, "city": city.name if city else None, "city_id": city.id if city else None, "city_visited": city_visited, 'location_name': location_name}
         return {"error": "No region found"}
 
+def is_host_resolvable(hostname: str) -> bool:
+    try:
+        socket.gethostbyname(hostname)
+        return True
+    except socket.error:
+        return False  # silently fail
+
 def reverse_geocode(lat, lon, user):
-    """
-    Reverse geocode the given latitude and longitude using Nominatim API.
-    Returns a dictionary containing the region name, country name, and ISO code if found.
-    """
     url = f"https://nominatim.openstreetmap.org/reverse?format=jsonv2&lat={lat}&lon={lon}"
     headers = {'User-Agent': 'AdventureLog Server'}
-    response = requests.get(url, headers=headers)
+    connect_timeout = 1  # instead of 0.3
+    read_timeout = 5     # instead of 2
+
+
+    if not is_host_resolvable("nominatim.openstreetmap.org"):
+        return {"error": "DNS resolution failed"}
+
+    start = time.time()
     try:
+        response = requests.get(url, headers=headers, timeout=(connect_timeout, read_timeout))
+        response.raise_for_status()
         data = response.json()
-    except requests.exceptions.JSONDecodeError:
-        return {"error": "Invalid response from geocoding service"}
+        elapsed = time.time() - start
         return extractIsoCode(user, data)
+
+    except requests.exceptions.ConnectionError as e:
+        return {"error": "Could not connect to geocoding service"}
+    except requests.exceptions.Timeout as e:
+        return {"error": "Geocoding service timed out"}
+    except requests.exceptions.HTTPError as e:
+        return {"error": f"HTTP error from geocoding service: {e}"}
+    except requests.exceptions.JSONDecodeError as e:
+        return {"error": "Invalid response from geocoding service"}
+    except Exception as e:
+        return {"error": f"Unexpected geocoding error: {str(e)}"}

backend/server/adventures/serializers.py

@@ -167,7 +167,6 @@ class AdventureSerializer(CustomModelSerializer):
         if category_data:
             category = self.get_or_create_category(category_data)
             instance.category = category
-        instance.save()
 
         if has_visits:
             current_visits = instance.visits.all()

frontend/src/lib/components/AdventureModal.svelte

@@ -177,6 +177,8 @@
 	let wikiImageError: string = '';
 	let triggerMarkVisted: boolean = false;
 
+	let isLoading: boolean = false;
+
 	images = adventure.images || [];
 	$: {
 		if (!adventure.rating) {
@@ -414,6 +416,7 @@
 	async function handleSubmit(event: Event) {
 		event.preventDefault();
 		triggerMarkVisted = true;
+		isLoading = true;
 
 		// if category icon is empty, set it to the default icon
 		if (adventure.category?.icon == '' || adventure.category?.icon == null) {
@@ -477,6 +480,7 @@
 			}
 		}
 		imageSearch = adventure.name;
+		isLoading = false;
 	}
 </script>
 
@@ -669,7 +673,14 @@
 								</div>
 							{/if}
 							<div class="flex flex-row gap-2">
-								<button type="submit" class="btn btn-primary">{$t('adventures.save_next')}</button>
+								{#if !isLoading}
+									<button type="submit" class="btn btn-primary">{$t('adventures.save_next')}</button
+									>
+								{:else}
+									<button type="button" class="btn btn-primary"
+										><span class="loading loading-spinner loading-md"></span></button
+									>
+								{/if}
 								<button type="button" class="btn" on:click={close}>{$t('about.close')}</button>
 							</div>
 						</div>

frontend/src/lib/components/LocationDropdown.svelte

@@ -55,7 +55,7 @@
 	}
 
 	$: if (triggerMarkVisted && willBeMarkedVisited) {
-		displaySuccessToast(); // since the server will trigger the geocode automatically, we just need to show the toast and let the server handle the rest. It's kinda a placebo effect...
+		displaySuccessToast(); // since the server will trigger the geocode automatically, we just need to show the toast and let the server handle the rest. It's kinda a placebo effect
 		triggerMarkVisted = false;
 	}
 

frontend/src/routes/worldtravel/+page.svelte

@@ -165,6 +165,8 @@
 {#if filteredCountries.length === 0}
 	<p class="text-center font-bold text-2xl mt-12">{$t('worldtravel.no_countries_found')}</p>
 
+	<!-- If there are no allCountries then likely the download country command has not run on the server -->
+	{#if allCountries.length === 0}
 		<div class="text-center mt-4">
 			<a
 				class="link link-primary"
@@ -173,6 +175,7 @@
 			>
 		</div>
 	{/if}
+{/if}
 
 <svelte:head>
 	<title>Countries | World Travel</title>