fix(ExternalSharing): Handle template share from external sources

The new sharing flow requires or implies that users should edit share before creating.
External sources should not created the share IF we would upon sharing details tab on first request.

Signed-off-by: fenn-cs <fenn25.fn@gmail.com>

Author: nfebe

apps/files_sharing/src/mixins/ShareDetails.js

@@ -9,13 +9,14 @@ export default {
 			// TODO : Better name/interface for handler required
 			// For example `externalAppCreateShareHook` with proper documentation
 			if (shareRequestObject.handler) {
+				const handlerInput = {}
 				if (this.suggestions) {
-					shareRequestObject.suggestions = this.suggestions
-					shareRequestObject.fileInfo = this.fileInfo
-					shareRequestObject.query = this.query
+					handlerInput.suggestions = this.suggestions
+					handlerInput.fileInfo = this.fileInfo
+					handlerInput.query = this.query
 				}
-				share = await shareRequestObject.handler(shareRequestObject)
-				share = new Share(share)
+				const externalShareRequestObject = await shareRequestObject.handler(handlerInput)
+				share = this.mapShareRequestToShareObject(externalShareRequestObject)
 			} else {
 				share = this.mapShareRequestToShareObject(shareRequestObject)
 			}

apps/files_sharing/src/views/SharingDetailsTab.vue

@@ -227,6 +227,8 @@ import ShareRequests from '../mixins/ShareRequests.js'
 import ShareTypes from '../mixins/ShareTypes.js'
 import SharesMixin from '../mixins/SharesMixin.js'
 
+import { subscribe } from '@nextcloud/event-bus'
+
 import {
 	ATOMIC_PERMISSIONS,
 	BUNDLED_PERMISSIONS,
@@ -652,6 +654,7 @@ export default {
 
 	mounted() {
 		this.$refs.quickPermissions?.querySelector('input:checked')?.focus()
+		subscribe('files_sharing:external:add-share', this.handleExistingShareFromExternalSource)
 	},
 
 	methods: {
@@ -913,6 +916,9 @@ export default {
 				return null // Or a default icon component if needed
 			}
 		},
+		handleExistingShareFromExternalSource(share) {
+			logger.info('Existing share from external source/app', { share })
+		},
 	},
 }
 </script>