feat: enhance permissions and validation in activity, trail, and visit views; add unique constraint to CollectionInvite model

backend/server/adventures/migrations/0060_alter_collectioninvite_unique_together.py

@@ -0,0 +1,19 @@
+# Generated by Django 5.2.2 on 2025-08-07 16:00
+
+from django.conf import settings
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('adventures', '0059_alter_activity_options'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.AlterUniqueTogether(
+            name='collectioninvite',
+            unique_together={('collection', 'invited_user')},
+        ),
+    ]

backend/server/adventures/models.py

@@ -267,8 +267,16 @@ class CollectionInvite(models.Model):
     def __str__(self):
         return f"Invite for {self.invited_user.username} to {self.collection.name}"
     
+    def clean(self):
+        if self.collection.user == self.invited_user:
+            raise ValidationError("You cannot invite yourself to your own collection.")
+        # dont allow if the user is already shared with the collection
+        if self.invited_user in self.collection.shared_with.all():
+            raise ValidationError("This user is already shared with the collection.")
+    
     class Meta:
         verbose_name = "Collection Invite"
+        unique_together = ('collection', 'invited_user')
 
 class Collection(models.Model):
     #id = models.AutoField(primary_key=True)

backend/server/adventures/views/activity_view.py

@@ -39,12 +39,12 @@ class ActivityViewSet(viewsets.ModelViewSet):
         Set the user when creating an activity.
         """
         visit = serializer.validated_data.get('visit')
-        location = visit.location if visit else None
+        location = visit.location
 
         if location and not IsOwnerOrSharedWithFullAccess().has_object_permission(self.request, self, location):
             raise PermissionDenied("You do not have permission to add an activity to this location.")
 
-        serializer.save(user=self.request.user)
+        serializer.save(user=location.user)
 
     def perform_update(self, serializer):
         instance = serializer.instance

backend/server/adventures/views/trail_view.py

@@ -21,7 +21,7 @@ class TrailViewSet(viewsets.ModelViewSet):
         user = self.request.user
         
         if not user or not user.is_authenticated:
-            return Trail.objects.none()
+            raise PermissionDenied("You must be authenticated to view trails.")
 
         # Build the filter for accessible locations
         location_filter = Q(location__user=user)  # User owns the location
@@ -37,13 +37,14 @@ class TrailViewSet(viewsets.ModelViewSet):
     def perform_create(self, serializer):
         location = serializer.validated_data.get('location')
 
-        # Optional: import this if not in the same file
-        # from adventures.permissions import IsOwnerOrSharedWithFullAccess
-
         if not IsOwnerOrSharedWithFullAccess().has_object_permission(self.request, self, location):
             raise PermissionDenied("You do not have permission to add a trail to this location.")
 
-        serializer.save(user=self.request.user)
+        # dont allow a user who does not own the location to attach a wanderer trail
+        if location.user != self.request.user and serializer.validated_data.get('wanderer_id'):
+            raise PermissionDenied("You cannot attach a wanderer trail to a location you do not own.")
+
+        serializer.save(user=location.user)
 
     def perform_update(self, serializer):
         instance = serializer.instance

backend/server/adventures/views/visit_view.py

@@ -21,7 +21,7 @@ class VisitViewSet(viewsets.ModelViewSet):
         user = self.request.user
         
         if not user or not user.is_authenticated:
-            return Visit.objects.none()
+            raise PermissionDenied("You must be authenticated to view visits.")
         
         # Build the filter for accessible locations
         location_filter = Q(location__user=user)  # User owns the location

backend/server/integrations/views/wanderer_view.py

@@ -36,6 +36,9 @@ class WandererIntegrationViewSet(viewsets.ViewSet):
         if WandererIntegration.objects.filter(user=request.user).exists():
             raise ValidationError("Wanderer integration already exists. Use UPDATE instead.")
         
+        if not request.user.is_authenticated:
+            raise ValidationError("You must be authenticated to create a Wanderer integration.")
+
         server_url = request.data.get("server_url")
         username = request.data.get("username")
         password = request.data.get("password")
@@ -66,6 +69,12 @@ class WandererIntegrationViewSet(viewsets.ViewSet):
 
     def update(self, request, pk=None):
         inst = self._get_obj()
+
+        if not inst:
+            raise NotFound("Wanderer integration not found.")
+        if not self.request.user.is_authenticated:
+            raise ValidationError("You must be authenticated to update the integration.")
+
         changed = False
         for field in ("server_url", "username"):
             if field in request.data and getattr(inst, field) != request.data[field]:
@@ -94,6 +103,12 @@ class WandererIntegrationViewSet(viewsets.ViewSet):
     @action(detail=False, methods=["post"])
     def disable(self, request):
         inst = self._get_obj()
+
+        if not inst:
+            raise NotFound("Wanderer integration not found.")
+        if not self.request.user.is_authenticated:
+            raise ValidationError("You must be authenticated to disable the integration.")
+
         inst.delete()
         return Response(status=status.HTTP_204_NO_CONTENT)
 
@@ -101,6 +116,9 @@ class WandererIntegrationViewSet(viewsets.ViewSet):
     def refresh(self, request):
         inst = self._get_obj()
 
+        if not self.request.user.is_authenticated:
+            raise ValidationError("You must be authenticated to refresh the integration.")
+
         password = request.data.get("password")
         try:
             session = get_valid_session(inst, password_for_reauth=password)
@@ -117,6 +135,9 @@ class WandererIntegrationViewSet(viewsets.ViewSet):
     def trails(self, request):
         inst = self._get_obj()
 
+        if not self.request.user.is_authenticated:
+            raise ValidationError("You must be authenticated to access trails.")
+        
         # Check if we need to prompt for password
         password = request.query_params.get("password")  # Allow password via query param if needed
         

backend/server/integrations/wanderer_services.py

@@ -79,6 +79,9 @@ def get_valid_session(integration: WandererIntegration, password_for_reauth: str
     now = django_timezone.now()
     session = requests.Session()
 
+    if not integration:
+        raise IntegrationError("No Wanderer integration found.")
+    
     # Check if we have a valid token
     if integration.token and integration.token_expiry and integration.token_expiry > now:
         logger.debug("Using existing valid token")

frontend/src/lib/components/NewLocationModal.svelte

@@ -252,6 +252,7 @@
 			<LocationDetails
 				currentUser={user}
 				initialLocation={location}
+				{collection}
 				bind:editingLocation={location}
 				on:back={() => {
 					steps[1].selected = false;
@@ -281,6 +282,7 @@
 				bind:images={location.images}
 				bind:attachments={location.attachments}
 				bind:trails={location.trails}
+				userIsOwner={user?.uuid === location.user?.uuid}
 				on:back={() => {
 					steps[2].selected = false;
 					steps[1].selected = true;

frontend/src/lib/components/locations/LocationDetails.svelte

@@ -61,6 +61,7 @@
 		longitude: number | null;
 		location: string;
 		tags: string[];
+		collections?: string[];
 	} = {
 		name: '',
 		category: null,
@@ -71,7 +72,8 @@
 		latitude: null,
 		longitude: null,
 		location: '',
-		tags: []
+		tags: [],
+		collections: []
 	};
 
 	let user: User | null = null;
@@ -84,6 +86,7 @@
 	export let initialLocation: any = null;
 	export let currentUser: any = null;
 	export let editingLocation: any = null;
+	export let collection: Collection | null = null;
 
 	$: user = currentUser;
 	$: locationToEdit = editingLocation;
@@ -317,6 +320,9 @@
 		if (location.longitude !== null && typeof location.longitude === 'number') {
 			location.longitude = parseFloat(location.longitude.toFixed(6));
 		}
+		if (collection && collection.id) {
+			location.collections = [collection.id];
+		}
 
 		// either a post or a patch depending on whether we're editing or creating
 		if (locationToEdit && locationToEdit.id) {

frontend/src/lib/components/locations/LocationMedia.svelte

@@ -1,5 +1,5 @@
 <script lang="ts">
-	import type { Attachment, ContentImage, Trail, WandererTrail } from '$lib/types';
+	import type { Attachment, ContentImage, Trail, User, WandererTrail } from '$lib/types';
 	import { createEventDispatcher, onMount } from 'svelte';
 	import { t } from 'svelte-i18n';
 	import { deserialize } from '$app/forms';
@@ -37,7 +37,7 @@
 	export let trails: Trail[] = [];
 	export let itemId: string = '';
 	export let measurementSystem: 'metric' | 'imperial' = 'metric';
-
+	export let userIsOwner: boolean = false;
 	// Component state
 	let fileInput: HTMLInputElement;
 	let attachmentFileInput: HTMLInputElement;
@@ -1014,15 +1014,17 @@
 							<PlusIcon class="w-4 h-4" />
 							Add Trail
 						</button>
-						<button
+						{#if userIsOwner}
-							class="btn btn-accent btn-sm gap-2"
+							<button
-							on:click={() => {
+								class="btn btn-accent btn-sm gap-2"
-								doShowWandererForm();
+								on:click={() => {
-							}}
+									doShowWandererForm();
-						>
+								}}
-							<PlusIcon class="w-4 h-4" />
+							>
-							Add Wanderer Trail
+								<PlusIcon class="w-4 h-4" />
-						</button>
+								Add Wanderer Trail
+							</button>
+						{/if}
 					</div>
 				</div>