Enhance Adventure model and serializers with visited status logic and toast notifications for marking visits

frontend/src/lib/components/LocationDropdown.svelte

@@ -55,7 +55,7 @@
 	}
 
 	$: if (triggerMarkVisted && willBeMarkedVisited) {
-		markVisited();
+		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;
 	}
 
@@ -102,6 +102,17 @@
 		}
 	}
 
+	function displaySuccessToast() {
+		if (reverseGeocodePlace) {
+			if (reverseGeocodePlace.region) {
+				addToast('success', `Visit to ${reverseGeocodePlace.region} marked`);
+			}
+			if (reverseGeocodePlace.city) {
+				addToast('success', `Visit to ${reverseGeocodePlace.city} marked`);
+			}
+		}
+	}
+
 	async function markVisited() {
 		console.log(reverseGeocodePlace);
 		if (reverseGeocodePlace) {

frontend/src/lib/types.ts

@@ -45,6 +45,9 @@ export type Adventure = {
 	category: Category | null;
 	attachments: Attachment[];
 	user?: User | null;
+	city?: string | null;
+	region?: string | null;
+	country?: string | null;
 };
 
 export type AdditionalAdventure = Adventure & {