better sync operations for folders

manifest.json

@@ -1,8 +1,8 @@
 {
   "id": "remotely-save",
   "name": "Remotely Save",
-  "version": "0.3.2",
+  "version": "0.3.3",
-  "minAppVersion": "0.12.15",
+  "minAppVersion": "0.13.21",
   "description": "Yet another unofficial plugin allowing users to synchronize notes between local device and the cloud service.",
   "author": "fyears",
   "authorUrl": "https://github.com/fyears",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "remotely-save",
-  "version": "0.3.2",
+  "version": "0.3.3",
   "description": "This is yet another sync plugin for Obsidian app.",
   "scripts": {
     "dev2": "node esbuild.config.mjs",
@@ -70,7 +70,7 @@
     "loglevel": "^1.8.0",
     "mime-types": "^2.1.33",
     "nanoid": "^3.1.30",
-    "obsidian": "^0.12.0",
+    "obsidian": "^0.13.26",
     "path-browserify": "^1.0.1",
     "process": "^0.11.10",
     "qrcode": "^1.5.0",

src/baseTypes.ts

@@ -113,3 +113,5 @@ export interface FileOrFolderMixedState {
   syncDone?: "done";
   remoteEncryptedKey?: string;
 }
+
+export const API_VER_STAT_FOLDER = "0.13.27";

src/main.ts

@@ -199,6 +199,7 @@ export default class RemotelySavePlugin extends Plugin {
         origMetadataOnRemote.deletions,
         localHistory,
         client.serviceType,
+        this.app.vault,
         this.settings.password
       );
       log.info(plan.mixedStates); // for debugging

src/sync.ts

@@ -1,9 +1,16 @@
-import { TAbstractFile, TFile, TFolder, Vault } from "obsidian";
+import {
-import type {
+  TAbstractFile,
+  TFile,
+  TFolder,
+  Vault,
+  requireApiVersion,
+} from "obsidian";
+import {
   RemoteItem,
   SUPPORTED_SERVICES_TYPE,
   DecisionType,
   FileOrFolderMixedState,
+  API_VER_STAT_FOLDER,
 } from "./baseTypes";
 import {
   decryptBase32ToString,
@@ -505,9 +512,10 @@ const assignOperationToFileInplace = (
   throw Error(`no decision for ${JSON.stringify(r)}`);
 };
 
-const assignOperationToFolderInplace = (
+const assignOperationToFolderInplace = async (
   origRecord: FileOrFolderMixedState,
   keptFolder: Set<string>,
+  vault: Vault,
   password: string = ""
 ) => {
   let r = origRecord;
@@ -523,10 +531,42 @@ const assignOperationToFolderInplace = (
 
     if (r.deltimeLocal !== undefined || r.deltimeRemote !== undefined) {
       // it has some deletion "commands"
-      if (
+
-        r.deltimeLocal !== undefined &&
+      const deltimeLocal = r.deltimeLocal !== undefined ? r.deltimeLocal : -1;
-        r.deltimeLocal >= (r.deltimeRemote !== undefined ? r.deltimeRemote : -1)
+      const deltimeRemote =
-      ) {
+        r.deltimeRemote !== undefined ? r.deltimeRemote : -1;
+
+      // if it was created after deletion, we should keep it as is
+      if (requireApiVersion(API_VER_STAT_FOLDER)) {
+        if (r.existLocal) {
+          try {
+            const { ctime, mtime } = await vault.adapter.stat(r.key);
+            const cmtime = Math.max(ctime, mtime);
+            if (
+              cmtime > 0 &&
+              cmtime >= deltimeLocal &&
+              cmtime >= deltimeRemote
+            ) {
+              keptFolder.add(getParentFolder(r.key));
+              if (r.existLocal && r.existRemote) {
+                r.decision = "skipFolder";
+                r.decisionBranch = 14;
+              } else if (r.existLocal || r.existRemote) {
+                r.decision = "createFolder";
+                r.decisionBranch = 15;
+              } else {
+                throw Error(
+                  `Error: Folder ${r.key} doesn't exist locally and remotely but is marked must be kept. Abort.`
+                );
+              }
+            }
+          } catch (error) {
+            // pass
+          }
+        }
+      }
+
+      if (deltimeLocal > 0 && deltimeLocal > deltimeRemote) {
         r.decision = "uploadLocalDelHistToRemoteFolder";
         r.decisionBranch = 8;
       } else {
@@ -585,6 +625,7 @@ export const getSyncPlan = async (
   remoteDeleteHistory: DeletionOnRemote[],
   localDeleteHistory: FileFolderHistoryRecord[],
   remoteType: SUPPORTED_SERVICES_TYPE,
+  vault: Vault,
   password: string = ""
 ) => {
   const mixedStates = await ensembleMixedStates(
@@ -609,7 +650,7 @@ export const getSyncPlan = async (
       // decide some folders
       // because the keys are sorted by length
       // so all the children must have been shown up before in the iteration
-      assignOperationToFolderInplace(val, keptFolder, password);
+      await assignOperationToFolderInplace(val, keptFolder, vault, password);
     } else {
       // get all operations of files
       // and at the same time get some helper info for folders

versions.json

@@ -1,3 +1,4 @@
 {
-  "0.3.2": "0.12.15"
+  "0.3.2": "0.12.15",
+  "0.3.3": "0.13.21"
 }