Fix moving tasks between buckets

src/views/list/views/Kanban.vue

@@ -111,10 +111,11 @@
 					<draggable
 						v-model="bucket.tasks"
 						@start="() => drag = true"
-						@end="e => updateTaskPosition(k, e)"
+						@end="updateTaskPosition"
 						:group="{name: 'buckets', put: shouldAcceptDrop(bucket)}"
 						v-bind="dragOptions"
 						:disabled="!canWrite"
+						:data-bucket-index="k"
 					>
 						<transition-group type="transition" :name="!drag ? 'move-card': null">
 							<kanban-card
@@ -332,9 +333,14 @@ export default {
 					this.error(e)
 				})
 		},
-		updateTaskPosition(bucketIndex, e) {
+		updateTaskPosition(e) {
 			this.drag = false
 
+			// While we could just pass the bucket index in through the function call, this would not give us the 
+			// new bucket id when a task has been moved between buckets, only the new bucket. Using the data-bucket-id
+			// of the drop target works all the time.
+			const bucketIndex = parseInt(e.to.parentNode.dataset.bucketIndex)
+			
 			const newBucket = this.buckets[bucketIndex]
 			const task = newBucket.tasks[e.newIndex]
 			const taskBefore = newBucket.tasks[e.newIndex - 1] ?? null