From 758aba0f7aa69150721c3d186f464b058b0c2832 Mon Sep 17 00:00:00 2001
From: NotAShelf <raf@notashelf.dev>
Date: Tue, 3 Feb 2026 22:28:54 +0300
Subject: [PATCH] migrations: handle incramental/queued scans more gracefully

Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: I13ef3c7b03f3833e90a7bfcdb03ac0136a6a6964
---
 migrations/postgres/V10__incremental_scan.sql | 19 +++++++++++++++++++
 migrations/sqlite/V10__incremental_scan.sql   | 19 +++++++++++++++++++
 2 files changed, 38 insertions(+)
 create mode 100644 migrations/postgres/V10__incremental_scan.sql
 create mode 100644 migrations/sqlite/V10__incremental_scan.sql

diff --git a/migrations/postgres/V10__incremental_scan.sql b/migrations/postgres/V10__incremental_scan.sql
new file mode 100644
index 0000000..8fdc2cb
--- /dev/null
+++ b/migrations/postgres/V10__incremental_scan.sql
@@ -0,0 +1,19 @@
+-- Add file_mtime column to media_items table for incremental scanning
+-- Stores Unix timestamp in seconds of the file's modification time
+
+ALTER TABLE media_items ADD COLUMN file_mtime BIGINT;
+
+-- Create index for quick mtime lookups
+CREATE INDEX IF NOT EXISTS idx_media_items_file_mtime ON media_items(file_mtime);
+
+-- Create a scan_history table to track when each directory was last scanned
+CREATE TABLE IF NOT EXISTS scan_history (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    directory TEXT NOT NULL UNIQUE,
+    last_scan_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    files_scanned INTEGER NOT NULL DEFAULT 0,
+    files_changed INTEGER NOT NULL DEFAULT 0,
+    scan_duration_ms INTEGER
+);
+
+CREATE INDEX IF NOT EXISTS idx_scan_history_directory ON scan_history(directory);
diff --git a/migrations/sqlite/V10__incremental_scan.sql b/migrations/sqlite/V10__incremental_scan.sql
new file mode 100644
index 0000000..76db5c9
--- /dev/null
+++ b/migrations/sqlite/V10__incremental_scan.sql
@@ -0,0 +1,19 @@
+-- Add file_mtime column to media_items table for incremental scanning
+-- Stores Unix timestamp in seconds of the file's modification time
+
+ALTER TABLE media_items ADD COLUMN file_mtime INTEGER;
+
+-- Create index for quick mtime lookups
+CREATE INDEX IF NOT EXISTS idx_media_items_file_mtime ON media_items(file_mtime);
+
+-- Create a scan_history table to track when each directory was last scanned
+CREATE TABLE IF NOT EXISTS scan_history (
+    id TEXT PRIMARY KEY,
+    directory TEXT NOT NULL UNIQUE,
+    last_scan_at TEXT NOT NULL,
+    files_scanned INTEGER NOT NULL DEFAULT 0,
+    files_changed INTEGER NOT NULL DEFAULT 0,
+    scan_duration_ms INTEGER
+);
+
+CREATE INDEX IF NOT EXISTS idx_scan_history_directory ON scan_history(directory);