From 5b6b2ccef8834eef64c40fb75786ee9479254b2c Mon Sep 17 00:00:00 2001
From: Zichao Lin <earthjasonlin@163.com>
Date: Sun, 5 Jul 2026 22:15:40 +0800
Subject: [PATCH] fix: clear arrival_time and disable field when status is sent

---
 app/routers/web.py               |  2 +-
 app/templates/postcard_form.html | 23 ++++++++++++++++-------
 2 files changed, 17 insertions(+), 8 deletions(-)

diff --git a/app/routers/web.py b/app/routers/web.py
index df5520b..389ff2f 100644
--- a/app/routers/web.py
+++ b/app/routers/web.py
@@ -354,7 +354,7 @@ def postcard_update(
     pc.recipient_name = recipient_name or None
     pc.country = country or None
     pc.send_time = _parse_dt(send_time)
-    pc.arrival_time = _parse_dt(arrival_time)
+    pc.arrival_time = None if status == "sent" else _parse_dt(arrival_time)
     pc.sender_name = sender_name or None
     pc.receive_time = _parse_dt(receive_time)
     db.commit()
diff --git a/app/templates/postcard_form.html b/app/templates/postcard_form.html
index 94d9cc8..de51a0e 100644
--- a/app/templates/postcard_form.html
+++ b/app/templates/postcard_form.html
@@ -57,23 +57,32 @@ function toggleFields() {
         country.required = false;
         sendTime.required = false;
         arrival.required = false;
+        arrival.disabled = false;
         sender.required = true;
         receive.required = true;
+    } else if (s === 'sent') {
+        sd.style.display = '';
+        rc.style.display = 'none';
+        recipient.required = true;
+        country.required = true;
+        sendTime.required = true;
+        arrival.required = false;
+        arrival.disabled = true;
+        arrival.value = '';
+        labelArrival.textContent = '到达时间';
+        sender.required = false;
+        receive.required = false;
     } else {
         sd.style.display = '';
         rc.style.display = 'none';
         recipient.required = true;
         country.required = true;
         sendTime.required = true;
+        arrival.disabled = false;
+        arrival.required = true;
+        labelArrival.textContent = '到达时间 *';
         sender.required = false;
         receive.required = false;
-        if (s === 'delivered') {
-            arrival.required = true;
-            labelArrival.textContent = '到达时间 *';
-        } else {
-            arrival.required = false;
-            labelArrival.textContent = '到达时间';
-        }
     }
 }
 toggleFields();