feat(backup): добавить таблицу для резервных копий и функции для работы с ними

backend/src/services/backup-scheduler-collector.ts

@@ -5,11 +5,9 @@ import {
   getBackupScheduleSettings,
   isBackupDue,
   pruneBackupsForServer,
-  readBackupIndex,
   resolveBackupServerIds,
   runBackupForServer,
   touchBackupScheduleRunMeta,
-  writeBackupIndex,
 } from "./backup-service.js"
 
 let collecting = false
@@ -62,7 +60,6 @@ export async function collectScheduledBackupsOnce(): Promise<BackupsRunSnapshot>
   collecting = true
   const started = Date.now()
   const serverIds = resolveBackupServerIds(settings)
-  const indexRows = await readBackupIndex()
 
   appendEvent({
     level: "info",
@@ -78,8 +75,7 @@ export async function collectScheduledBackupsOnce(): Promise<BackupsRunSnapshot>
   try {
     for (const id of serverIds) {
       try {
-        const meta = await runBackupForServer(id, "auto")
-        indexRows.unshift(meta)
+        await runBackupForServer(id, "auto")
         snapshot.created += 1
       } catch (e) {
         const message = e instanceof Error ? e.message : String(e)
@@ -88,8 +84,6 @@ export async function collectScheduledBackupsOnce(): Promise<BackupsRunSnapshot>
       }
     }
 
-    await writeBackupIndex(indexRows)
-
     for (const id of serverIds) {
       snapshot.pruned += await pruneBackupsForServer(id, settings.keepCount)
     }

backend/src/services/backup-service.ts

@@ -1,17 +1,16 @@
 import { randomUUID } from "node:crypto"
-import { mkdir, readFile, rm, stat, writeFile } from "node:fs/promises"
+import { mkdir, rm, stat, writeFile } from "node:fs/promises"
 import path from "node:path"
-import { eq } from "drizzle-orm"
+import { desc, eq } from "drizzle-orm"
 import type { BackupScheduleSettingsDto } from "@mmapp/contracts/backups"
 import { db } from "../db/index.js"
-import { backupScheduleSettings } from "../db/schema.js"
+import { backupEntries, backupScheduleSettings } from "../db/schema.js"
 import { getServerRowById } from "../modules/servers/repository/servers-repository.js"
 import { listServersRead } from "../modules/servers/service/servers-service.js"
 import { MikrotikClient } from "./mikrotik.js"
 
 const SETTINGS_ID = 1
 const BACKUPS_DIR = path.resolve(process.cwd(), "storage", "backups")
-const INDEX_PATH = path.join(BACKUPS_DIR, "index.json")
 
 export type BackupMeta = {
   id: string
@@ -24,25 +23,51 @@ export type BackupMeta = {
   notes?: string
 }
 
+function rowToMeta(row: typeof backupEntries.$inferSelect): BackupMeta {
+  return {
+    id: row.id,
+    serverId: row.serverId,
+    serverName: row.serverName,
+    filename: row.filename,
+    sizeBytes: row.sizeBytes,
+    createdAt: row.createdAt,
+    kind: row.kind,
+    notes: row.notes ?? undefined,
+  }
+}
+
 export async function ensureBackupStorage(): Promise<void> {
   await mkdir(BACKUPS_DIR, { recursive: true })
 }
 
-export async function readBackupIndex(): Promise<BackupMeta[]> {
-  await ensureBackupStorage()
-  try {
-    const raw = await readFile(INDEX_PATH, "utf8")
-    const parsed = JSON.parse(raw) as unknown
-    if (!Array.isArray(parsed)) return []
-    return parsed as BackupMeta[]
-  } catch {
-    return []
-  }
+export function listBackups(): BackupMeta[] {
+  return db.select().from(backupEntries).orderBy(desc(backupEntries.createdAt)).all().map(rowToMeta)
 }
 
-export async function writeBackupIndex(rows: BackupMeta[]): Promise<void> {
-  await ensureBackupStorage()
-  await writeFile(INDEX_PATH, JSON.stringify(rows, null, 2), "utf8")
+export function getBackupById(id: string): BackupMeta | null {
+  const row = db.select().from(backupEntries).where(eq(backupEntries.id, id)).limit(1).all()[0]
+  return row ? rowToMeta(row) : null
+}
+
+export function insertBackup(meta: BackupMeta): void {
+  db.insert(backupEntries).values({
+    id: meta.id,
+    serverId: meta.serverId,
+    serverName: meta.serverName,
+    filename: meta.filename,
+    sizeBytes: meta.sizeBytes,
+    kind: meta.kind,
+    notes: meta.notes ?? null,
+    createdAt: meta.createdAt,
+  }).run()
+}
+
+export async function deleteBackupRecord(id: string): Promise<BackupMeta | null> {
+  const hit = getBackupById(id)
+  if (!hit) return null
+  db.delete(backupEntries).where(eq(backupEntries.id, id)).run()
+  await rm(path.join(BACKUPS_DIR, hit.filename), { force: true })
+  return hit
 }
 
 function fmtTs(d = new Date()): string {
@@ -152,7 +177,22 @@ export function resolveBackupServerIds(settings: BackupScheduleSettingsDto): str
   return [...new Set(requested)].filter((id) => enabled.has(id))
 }
 
-function sameLocalSlot(a: Date, b: Date): boolean {
+function scheduledSlotForDate(now: Date, settings: BackupScheduleSettingsDto): Date | null {
+  if (settings.frequency === "weekly") {
+    const currentDow = (now.getDay() + 6) % 7
+    if (currentDow !== settings.weekDay) return null
+  } else if (settings.frequency === "monthly") {
+    if (now.getDate() !== settings.monthDay) return null
+  }
+
+  const slot = new Date(now)
+  slot.setSeconds(0, 0)
+  slot.setMilliseconds(0)
+  slot.setHours(settings.hour, settings.minute, 0, 0)
+  return slot
+}
+
+function sameLocalMinute(a: Date, b: Date): boolean {
   return a.getFullYear() === b.getFullYear()
     && a.getMonth() === b.getMonth()
     && a.getDate() === b.getDate()
@@ -160,27 +200,21 @@ function sameLocalSlot(a: Date, b: Date): boolean {
     && a.getMinutes() === b.getMinutes()
 }
 
+/** Срабатывает только в минуту расписания; 60 с в UI — интервал проверки, не частота бэкапа. */
 export function isBackupDue(now: Date, settings: BackupScheduleSettingsDto, lastRunAt: string | null | undefined): boolean {
   if (!settings.enabled) return false
-  const slot = new Date(now)
-  slot.setSeconds(0, 0)
-  slot.setHours(settings.hour, settings.minute, 0, 0)
-
-  if (settings.frequency === "weekly") {
-    const currentDow = (now.getDay() + 6) % 7
-    if (currentDow !== settings.weekDay) return false
-  } else if (settings.frequency === "monthly") {
-    if (now.getDate() !== settings.monthDay) return false
-  }
 
+  const slot = scheduledSlotForDate(now, settings)
+  if (!slot) return false
   if (now < slot) return false
+  if (!sameLocalMinute(now, slot)) return false
+
   if (lastRunAt) {
     const prev = new Date(lastRunAt)
     if (Number.isNaN(prev.getTime())) return true
-    if (settings.frequency === "daily" && sameLocalSlot(prev, slot)) return false
-    if (settings.frequency === "weekly" && sameLocalSlot(prev, slot)) return false
-    if (settings.frequency === "monthly" && prev.getFullYear() === slot.getFullYear() && prev.getMonth() === slot.getMonth() && prev.getDate() === slot.getDate()) return false
+    if (sameLocalMinute(prev, slot)) return false
   }
+
   return true
 }
 
@@ -203,9 +237,10 @@ export async function runBackupForServer(
   const safeServer = row.name.replace(/[^a-zA-Z0-9._-]+/g, "_")
   const filename = `${safeServer}_${ts}.rsc`
   const filePath = path.join(BACKUPS_DIR, filename)
+  await ensureBackupStorage()
   await writeFile(filePath, script, "utf8")
   const st = await stat(filePath)
-  return {
+  const meta: BackupMeta = {
     id: randomUUID(),
     serverId: String(row.id),
     serverName: row.name,
@@ -215,27 +250,24 @@ export async function runBackupForServer(
     kind,
     notes,
   }
+  insertBackup(meta)
+  return meta
 }
 
 export async function pruneBackupsForServer(serverId: string, keepCount: number): Promise<number> {
-  const rows = await readBackupIndex()
-  const forServer = rows.filter((r) => r.serverId === serverId)
-  if (forServer.length <= keepCount) return 0
-  const sorted = [...forServer].sort((a, b) => b.createdAt.localeCompare(a.createdAt))
-  const toDelete = sorted.slice(keepCount)
-  const deleteIds = new Set(toDelete.map((r) => r.id))
+  const rows = db.select().from(backupEntries)
+    .where(eq(backupEntries.serverId, serverId))
+    .orderBy(desc(backupEntries.createdAt))
+    .all()
+  if (rows.length <= keepCount) return 0
+  const toDelete = rows.slice(keepCount)
   for (const hit of toDelete) {
+    db.delete(backupEntries).where(eq(backupEntries.id, hit.id)).run()
     await rm(path.join(BACKUPS_DIR, hit.filename), { force: true })
   }
-  const next = rows.filter((r) => !deleteIds.has(r.id))
-  await writeBackupIndex(next)
   return toDelete.length
 }
 
 export function getBackupsDir(): string {
   return BACKUPS_DIR
 }
-
-export function getBackupIndexPath(): string {
-  return INDEX_PATH
-}