From 71981541068ab684bb7b75e192cd7171aa0ae657 Mon Sep 17 00:00:00 2001
From: evgeny <evgeny@adaptto.ru>
Date: Tue, 22 Sep 2026 21:59:59 +0300
Subject: [PATCH] =?UTF-8?q?chatgui:=20=D0=BA=D0=BB=D0=B8=D0=BA=20=D0=BF?=
 =?UTF-8?q?=D0=BE=20=D0=BC=D0=B5=D0=B4=D0=B8=D0=B0=20=D1=81=20=D0=BE=D1=82?=
 =?UTF-8?q?=D1=81=D1=83=D1=82=D1=81=D1=82=D0=B2=D1=83=D1=8E=D1=89=D0=B8?=
 =?UTF-8?q?=D0=BC=20=D1=84=D0=B0=D0=B9=D0=BB=D0=BE=D0=BC=20=E2=80=94=20?=
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 =?UTF-8?q?=D0=BA=D0=B8=20=D0=B8=20=D0=BF=D0=B5=D1=80=D0=B5=D0=BA=D0=B0?=
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---
 src/chat/chat_msg.c                   |  4 ++++
 tools/chatgui/src/messagedelegate.cpp | 19 +++++++++++--------
 2 files changed, 15 insertions(+), 8 deletions(-)

diff --git a/src/chat/chat_msg.c b/src/chat/chat_msg.c
index 6bb93a7c..e445757c 100644
--- a/src/chat/chat_msg.c
+++ b/src/chat/chat_msg.c
@@ -970,6 +970,10 @@ void chat_core_attachment_download(struct UTUN_INSTANCE* inst, const char* chann
     uint8_t author_sig[64]; memcpy(author_sig, sig_blob, 64);
     sqlite3_finalize(st);
 
+    /* сбрасываем пометку «файл есть»: файл мог быть вычищен кешем, а local_attrs ещё "fl".
+       по завершении md_download_done_cb снова запишет st=fl (успех) или st=er (ошибка). */
+    chat_core_update_local_attrs(inst, channel_id, (uint64_t)db_ts, author_sig, "{}");
+
     DEBUG_INFO(DEBUG_CATEGORY_GENERAL, "%s: manual download ch=%s id=%lld ct=%s file=%s",
                CC_ID, channel_id, (long long)msg_id, content_type, base_filename);
     md_start_download(inst, body, bi, channel_id, base_filename, (uint64_t)db_ts, author_sig, (uint64_t)author_node_id, msg_id, content_type);
diff --git a/tools/chatgui/src/messagedelegate.cpp b/tools/chatgui/src/messagedelegate.cpp
index 10e306a8..f7131cc2 100644
--- a/tools/chatgui/src/messagedelegate.cpp
+++ b/tools/chatgui/src/messagedelegate.cpp
@@ -92,7 +92,7 @@ bool MessageDelegate::editorEvent(QEvent *event, QAbstractItemModel *model,
                 m_videoOpenCb(fp);
                 return true;
             }
-            return false;
+            /* файл пропал (вычистка кеша/удаление) — перекачиваем ниже */
         }
         if (dlState == 1) return false; /* скачивается */
 
@@ -119,7 +119,7 @@ bool MessageDelegate::editorEvent(QEvent *event, QAbstractItemModel *model,
                 m_imageOpenCb(fp);
                 return true;
             }
-            return false;
+            /* файл пропал (вычистка кеша/удаление) — перекачиваем ниже */
         }
         if (dlState == 1) return false; /* скачивается */
 
@@ -142,11 +142,13 @@ bool MessageDelegate::editorEvent(QEvent *event, QAbstractItemModel *model,
 
         if (dlState == 2) {  /* downloaded: open file */
             QString fp = index.data(MsgVoiceFileRole).toString();
-            if (!fp.isEmpty() && QFile::exists(fp))
+            if (!fp.isEmpty() && QFile::exists(fp)) {
                 QDesktopServices::openUrl(QUrl::fromLocalFile(fp));
-            return true;
+                return true;
+            }
+            /* файл пропал (вычистка кеша/удаление) — перекачиваем ниже */
         }
-        if (dlState != 0) return false; /* downloading — no action */
+        if (dlState == 1) return false; /* downloading — no action */
 
         if (chId.isEmpty() || msgId <= 0) return false;
         struct attachment_dl_req* req = (struct attachment_dl_req*)
@@ -178,8 +180,9 @@ bool MessageDelegate::editorEvent(QEvent *event, QAbstractItemModel *model,
               (int)onPlayBtn, (int)onWaveform, qPrintable(filePath), QFile::exists(filePath),
               dlState, (long long)msgId);
 
-    /* not downloaded: start download (play will start on completion) */
-    if (filePath.isEmpty() && dlState != 1) {
+    /* not downloaded (or file evicted): start download (play will start on completion) */
+    bool fileMissing = filePath.isEmpty() || !QFile::exists(filePath);
+    if (fileMissing && dlState != 1) {
         if (chId.isEmpty() || msgId <= 0) return false;
         struct attachment_dl_req* req = (struct attachment_dl_req*)
             u_malloc(sizeof(struct attachment_dl_req));
@@ -193,7 +196,7 @@ bool MessageDelegate::editorEvent(QEvent *event, QAbstractItemModel *model,
         return true;
     }
 
-    if (filePath.isEmpty()) return false;
+    if (fileMissing) return false;
     GUI_DEBUG("editorEvent voice click: filePath=%s exists=%d wave=%d",
               qPrintable(filePath), QFile::exists(filePath), (int)onWaveform);
     if (filePath.isEmpty()) return false;