From 53d5ca14617d0c76d980fd7a28855540fc71248d Mon Sep 17 00:00:00 2001
From: William Oldham <wegg7250@gmail.com>
Date: Wed, 6 Dec 2023 19:43:37 +0000
Subject: [PATCH] Add updatedAt saving into progress imports

---
 src/routes/users/progress.ts | 20 +++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)

diff --git a/src/routes/users/progress.ts b/src/routes/users/progress.ts
index 7575248..2a5b6ec 100644
--- a/src/routes/users/progress.ts
+++ b/src/routes/users/progress.ts
@@ -18,6 +18,7 @@ const progressItemSchema = z.object({
   episodeId: z.string().optional(),
   seasonNumber: z.number().optional(),
   episodeNumber: z.number().optional(),
+  updatedAt: z.string().datetime({ offset: true }).optional(),
 });
 
 export const userProgressRouter = makeRouter((app) => {
@@ -59,7 +60,7 @@ export const userProgressRouter = makeRouter((app) => {
         duration: body.duration,
         watched: body.watched,
         meta: body.meta,
-        updatedAt: new Date(),
+        updatedAt: defaultAndCoerceDateTime(body.updatedAt),
       });
 
       await em.persistAndFlush(progressItem);
@@ -100,7 +101,9 @@ export const userProgressRouter = makeRouter((app) => {
         if (newItemIndex > -1) {
           const newItem = newItems[newItemIndex];
           if (existingItem.watched < newItem.watched) {
-            existingItem.updatedAt = new Date();
+            existingItem.updatedAt = defaultAndCoerceDateTime(
+              newItem.updatedAt,
+            );
             existingItem.watched = newItem.watched;
           }
           itemsUpserted.push(existingItem);
@@ -123,7 +126,7 @@ export const userProgressRouter = makeRouter((app) => {
           tmdbId: newItem.tmdbId,
           userId: params.uid,
           watched: newItem.watched,
-          updatedAt: new Date(),
+          updatedAt: defaultAndCoerceDateTime(newItem.updatedAt),
         });
       }
 
@@ -207,3 +210,14 @@ export const userProgressRouter = makeRouter((app) => {
     }),
   );
 });
+
+// 1st August 2021 - movie-web epoch
+const minEpoch = 1627776000000;
+
+function defaultAndCoerceDateTime(dateTime: string | undefined) {
+  const epoch = dateTime ? new Date(dateTime).getTime() : Date.now();
+
+  const clampedEpoch = Math.max(minEpoch, Math.min(epoch, Date.now()));
+
+  return new Date(clampedEpoch);
+}