All: Conflict notes will now populate a new field conflict_parent with the id of the conflict note.

packages/lib/JoplinDatabase.ts

@@ -343,7 +343,7 @@ export default class JoplinDatabase extends Database {
 		// must be set in the synchronizer too.
 
 		// Note: v16 and v17 don't do anything. They were used to debug an issue.
-		const existingDatabaseVersions = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38];
+		const existingDatabaseVersions = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39];
 
 		let currentVersionIndex = existingDatabaseVersions.indexOf(fromVersion);
 
@@ -888,6 +888,10 @@ export default class JoplinDatabase extends Database {
 						GROUP BY tags.id`);
 			}
 
+			if (targetVersion == 39) {
+				queries.push('ALTER TABLE `notes` ADD COLUMN conflict_original_id TEXT NOT NULL DEFAULT ""');
+			}
+
 			const updateVersionQuery = { sql: 'UPDATE version SET version = ?', params: [targetVersion] };
 
 			queries.push(updateVersionQuery);

packages/lib/Synchronizer.ts

@@ -610,10 +610,7 @@ export default class Synchronizer {
 							// ------------------------------------------------------------------------------
 
 							if (mustHandleConflict) {
-								const conflictedNote = Object.assign({}, local);
-								delete conflictedNote.id;
-								conflictedNote.is_conflict = 1;
-								await Note.save(conflictedNote, { autoTimestamp: false, changeSource: ItemChange.SOURCE_SYNC });
+								await Note.createConflictNote(local, ItemChange.SOURCE_SYNC);
 							}
 						} else if (action == 'resourceConflict') {
 							// ------------------------------------------------------------------------------

packages/lib/models/Note.test.ts

@@ -6,6 +6,7 @@ import { sortedIds, createNTestNotes, setupDatabaseAndSynchronizer, switchClient
 import Folder from './Folder';
 import Note from './Note';
 import Tag from './Tag';
+import ItemChange from './ItemChange';
 const ArrayUtils = require('../ArrayUtils.js');
 
 async function allItems() {
@@ -344,4 +345,44 @@ describe('models_Note', function() {
 		expect(sortedNotes3[4].id).toBe(note2.id);
 	}));
 
+	it('should create a conflict note', async () => {
+		const folder = await Folder.save({ title: 'Source Folder' });
+		const origNote = await Note.save({ title: 'note', parent_id: folder.id });
+		const conflictedNote = await Note.createConflictNote(origNote, ItemChange.SOURCE_SYNC);
+
+		expect(conflictedNote.is_conflict).toBe(1);
+		expect(conflictedNote.conflict_original_id).toBe(origNote.id);
+		expect(conflictedNote.parent_id).toBe(folder.id);
+	});
+
+	it('should copy conflicted note to target folder and cancel conflict', (async () => {
+		const srcfolder = await Folder.save({ title: 'Source Folder' });
+		const targetfolder = await Folder.save({ title: 'Target Folder' });
+
+		const note1 = await Note.save({ title: 'note', parent_id: srcfolder.id });
+		const conflictedNote = await Note.createConflictNote(note1, ItemChange.SOURCE_SYNC);
+
+		const note2 = await Note.copyToFolder(conflictedNote.id, targetfolder.id);
+
+		expect(note2.id === conflictedNote.id).toBe(false);
+		expect(note2.title).toBe(conflictedNote.title);
+		expect(note2.is_conflict).toBe(0);
+		expect(note2.conflict_original_id).toBe('');
+		expect(note2.parent_id).toBe(targetfolder.id);
+	}));
+
+	it('should move conflicted note to target folder and cancel conflict', (async () => {
+		const srcFolder = await Folder.save({ title: 'Source Folder' });
+		const targetFolder = await Folder.save({ title: 'Target Folder' });
+		const note1 = await Note.save({ title: 'note', parent_id: srcFolder.id });
+
+		const conflictedNote = await Note.createConflictNote(note1, ItemChange.SOURCE_SYNC);
+
+		const movedNote = await Note.moveToFolder(conflictedNote.id, targetFolder.id);
+
+		expect(movedNote.parent_id).toBe(targetFolder.id);
+		expect(movedNote.is_conflict).toBe(0);
+		expect(movedNote.conflict_original_id).toBe('');
+	}));
+
 });

packages/lib/models/Note.ts

@@ -523,6 +523,7 @@ export default class Note extends BaseItem {
 			changes: {
 				parent_id: folderId,
 				is_conflict: 0, // Also reset the conflict flag in case we're moving the note out of the conflict folder
+				conflict_original_id: '', // Reset parent id as well.
 			},
 		});
 	}
@@ -537,6 +538,7 @@ export default class Note extends BaseItem {
 			id: noteId,
 			parent_id: folderId,
 			is_conflict: 0,
+			conflict_original_id: '',
 			updated_time: time.unixMs(),
 		};
 
@@ -911,4 +913,12 @@ export default class Note extends BaseItem {
 		return new Intl.Collator(undefined, { numeric: true, sensitivity: 'base' });
 	}
 
+
+	static async createConflictNote(sourceNote: NoteEntity, changeSource: number): Promise<NoteEntity> {
+		const conflictNote = Object.assign({}, sourceNote);
+		delete conflictNote.id;
+		conflictNote.is_conflict = 1;
+		conflictNote.conflict_original_id = sourceNote.id;
+		return await Note.save(conflictNote, { autoTimestamp: false, changeSource: changeSource });
+	}
 }

packages/lib/services/database/types.ts

@@ -98,6 +98,7 @@ export interface NoteEntity {
   "created_time"?: number 
   "updated_time"?: number 
   "is_conflict"?: number 
+  "conflict_original_id"?: string
   "latitude"?: number 
   "longitude"?: number 
   "altitude"?: number 

packages/lib/services/synchronizer/Synchronizer.conflicts.test.ts

@@ -44,9 +44,10 @@ describe('Synchronizer.conflicts', function() {
 		// the conflicted and original note must be the same in every way, to make sure no data has been lost.
 		const conflictedNote = conflictedNotes[0];
 		expect(conflictedNote.id == note2conf.id).toBe(false);
+		expect(conflictedNote.conflict_original_id).toBe(note2conf.id);
 		for (const n in conflictedNote) {
 			if (!conflictedNote.hasOwnProperty(n)) continue;
-			if (n == 'id' || n == 'is_conflict') continue;
+			if (n == 'id' || n == 'is_conflict' || n == 'conflict_original_id') continue;
 			expect(conflictedNote[n]).toBe(note2conf[n]);
 		}
 

packages/server/src/utils/testing/testUtils.ts

@@ -477,6 +477,7 @@ encryption_applied: 0
 markup_language: 1
 is_shared: 1
 share_id: ${note.share_id || ''}
+conflict_original_id: 
 type_: 1`;
 }