From e0845b2363f58dd70d1ba5f57dff23760ccc42b4 Mon Sep 17 00:00:00 2001
From: ed <s@ocv.me>
Date: Tue, 23 Dec 2025 22:11:38 +0000
Subject: [PATCH] use vmaxb in the web-ui too;

also caches the volume usage to restore most of the performance lost in 511dc016152ddeb0caba1a745a20b1e7d8413014
---
 copyparty/authsrv.py |  3 +++
 copyparty/httpcli.py | 32 +++++++++++++++++++++++++-------
 2 files changed, 28 insertions(+), 7 deletions(-)

diff --git a/copyparty/authsrv.py b/copyparty/authsrv.py
index 2b096334..06507344 100644
--- a/copyparty/authsrv.py
+++ b/copyparty/authsrv.py
@@ -167,6 +167,9 @@ class Lim(object):
         self.vbmax = 0  # volume bytes max
         self.vnmax = 0  # volume max num files
 
+        self.c_vb_v = 0  # cache: volume bytes used (value)
+        self.c_vb_r = 0  # cache: volume bytes used (ref)
+
         self.smin = 0  # filesize min
         self.smax = 0  # filesize max
 
diff --git a/copyparty/httpcli.py b/copyparty/httpcli.py
index 43efd755..8f85cbbd 100644
--- a/copyparty/httpcli.py
+++ b/copyparty/httpcli.py
@@ -1834,13 +1834,18 @@ class HttpCli(object):
             bfree, btot, _ = get_df(vn.realpath, False)
             if btot:
                 if "vmaxb" in vn.flags:
-                    try:
-                        zi, _ = self.conn.hsrv.broker.ask(
-                            "up2k.get_volsizes", [vn.realpath]
-                        ).get()[0]
-                        bfree = min(bfree, max(0, vn.lim.vbmax - zi))
-                    except:
-                        pass
+                    if bfree == vn.lim.c_vb_r:
+                        bfree = min(bfree, max(0, vn.lim.vbmax - vn.lim.c_vb_v))
+                    else:
+                        try:
+                            zi, _ = self.conn.hsrv.broker.ask(
+                                "up2k.get_volsizes", [vn.realpath]
+                            ).get()[0]
+                            vn.lim.c_vb_v = zi
+                            vn.lim.c_vb_r = bfree
+                            bfree = min(bfree, max(0, vn.lim.vbmax - zi))
+                        except:
+                            pass
                 df = {
                     "quota-available-bytes": str(bfree),
                     "quota-used-bytes": str(btot - bfree),
@@ -6738,6 +6743,19 @@ class HttpCli(object):
         ):
             free, total, zs = get_df(abspath, False)
             if total:
+                if "vmaxb" in vn.flags:
+                    if free == vn.lim.c_vb_r:
+                        free = min(free, max(0, vn.lim.vbmax - vn.lim.c_vb_v))
+                    else:
+                        try:
+                            zi, _ = self.conn.hsrv.broker.ask(
+                                "up2k.get_volsizes", [vn.realpath]
+                            ).get()[0]
+                            vn.lim.c_vb_v = zi
+                            vn.lim.c_vb_r = free
+                            free = min(free, max(0, vn.lim.vbmax - zi))
+                        except:
+                            pass
                 h1 = humansize(free or 0)
                 h2 = humansize(total)
                 srv_info.append("{} free of {}".format(h1, h2))