From a0a05560378e248d5d075fc4bde5028093b0d578 Mon Sep 17 00:00:00 2001
From: Manav Rathi <manav@mnvr.in>
Date: Fri, 27 Jun 2025 07:32:05 +0530
Subject: [PATCH] Conv

---
 .../photos/src/services/collectionService.ts  | 43 +++----------------
 .../new/photos/services/collection.ts         | 30 +++++++++++++
 web/packages/new/photos/services/file.ts      |  7 ++-
 3 files changed, 41 insertions(+), 39 deletions(-)

diff --git a/web/apps/photos/src/services/collectionService.ts b/web/apps/photos/src/services/collectionService.ts
index 6cbbf10b2d..def8eba9cb 100644
--- a/web/apps/photos/src/services/collectionService.ts
+++ b/web/apps/photos/src/services/collectionService.ts
@@ -7,6 +7,7 @@ import {
     addToFavorites,
     createUncategorizedCollection,
     moveFromCollection,
+    removeNonUserFilesFromCollection,
     savedUserFavoritesCollection,
 } from "ente-new/photos/services/collection";
 import type { CollectionSummary } from "ente-new/photos/services/collection-summary";
@@ -21,11 +22,8 @@ import {
 import HTTPService from "ente-shared/network/HTTPService";
 import { getData } from "ente-shared/storage/localStorage";
 import { getToken } from "ente-shared/storage/localStorage/helpers";
-import { batch } from "ente-utils/array";
 import { isValidMoveTarget } from "utils/collection";
 
-const REQUEST_BATCH_SIZE = 1000;
-
 export const addToFavorites1 = async (file: EnteFile) => {
     await addToFavorites([file]);
 };
@@ -55,7 +53,10 @@ export const removeFromCollection = async (
         }
 
         if (nonUserFiles.length > 0) {
-            await removeNonUserFiles(collectionID, nonUserFiles);
+            await removeNonUserFilesFromCollection(
+                collectionID,
+                nonUserFiles.map((f) => f.id),
+            );
         }
         if (userFiles.length > 0) {
             await removeUserFiles(collectionID, userFiles);
@@ -66,7 +67,7 @@ export const removeFromCollection = async (
     }
 };
 
-export const removeUserFiles = async (
+const removeUserFiles = async (
     sourceCollectionID: number,
     toRemoveFiles: EnteFile[],
 ) => {
@@ -131,38 +132,6 @@ export const removeUserFiles = async (
     }
 };
 
-export interface RemoveFromCollectionRequest {
-    collectionID: number;
-    fileIDs: number[];
-}
-
-export const removeNonUserFiles = async (
-    collectionID: number,
-    nonUserFiles: EnteFile[],
-) => {
-    try {
-        const fileIDs = nonUserFiles.map((f) => f.id);
-        const token = getToken();
-        const batchedFileIDs = batch(fileIDs, REQUEST_BATCH_SIZE);
-        for (const batch of batchedFileIDs) {
-            const request: RemoveFromCollectionRequest = {
-                collectionID,
-                fileIDs: batch,
-            };
-
-            await HTTPService.post(
-                await apiURL("/collections/v3/remove-files"),
-                request,
-                null,
-                { "X-Auth-Token": token },
-            );
-        }
-    } catch (e) {
-        log.error("remove non user files failed ", e);
-        throw e;
-    }
-};
-
 export const deleteCollection = async (
     collectionID: number,
     keepFiles: boolean,
diff --git a/web/packages/new/photos/services/collection.ts b/web/packages/new/photos/services/collection.ts
index 8d9afac292..98136e77e4 100644
--- a/web/packages/new/photos/services/collection.ts
+++ b/web/packages/new/photos/services/collection.ts
@@ -689,6 +689,36 @@ export const deleteFromTrash = async (fileIDs: number[]) =>
         ),
     );
 
+/**
+ * Remove the provided files (none of which are owned by the user) from the
+ * provided collection on remote.
+ *
+ * Only files which do not belong to the collection owner can be removed from
+ * the collection. If the collection owner wants to remove files owned by them,
+ * then their client should first move those files first to other collections
+ * owned by the collection owner.
+ *
+ * Remote only, does not modify local state.
+ *
+ * @param collectionID The ID of collection from which to remove the files.
+ *
+ * @param files A list of files which do not belong to the user, and which we
+ * the user wants to remove from the given collection.
+ */
+export const removeNonUserFilesFromCollection = async (
+    collectionID: number,
+    fileIDs: number[],
+) =>
+    batched(fileIDs, async (batchFileIDs) =>
+        ensureOk(
+            await fetch(await apiURL("/collections/v3/remove-files"), {
+                method: "POST",
+                headers: await authenticatedRequestHeaders(),
+                body: JSON.stringify({ collectionID, fileIDs: batchFileIDs }),
+            }),
+        ),
+    );
+
 /**
  * Rename a collection on remote.
  *
diff --git a/web/packages/new/photos/services/file.ts b/web/packages/new/photos/services/file.ts
index 77cfe7b9ae..b25e8c782c 100644
--- a/web/packages/new/photos/services/file.ts
+++ b/web/packages/new/photos/services/file.ts
@@ -40,8 +40,11 @@ const requestBatchSize = 1000;
  *
  * @param op The operation to perform on each batch.
  *
- * @returns An array of results, one from each batch operation. For details,
- * including behaviour on errors, see `Promise.all`.
+ * @returns A promise for an array of results, one from each batch operation. If
+ * any operations fails, then the promise rejects with the first failure reason.
+ *
+ * For more details see the documentation for the `Promise.all` primitive which
+ * this function uses.
  */
 export const batched = <T, U>(
     items: T[],