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import { TRPCError } from "@trpc/server";
import { and, desc, eq, lt } from "drizzle-orm";
import { z } from "zod";
import { assets, backupsTable } from "@karakeep/db/schema";
import { BackupQueue } from "@karakeep/shared-server";
import { deleteAsset } from "@karakeep/shared/assetdb";
import { zBackupSchema } from "@karakeep/shared/types/backups";
import { AuthedContext } from "..";
export class Backup {
private constructor(
private ctx: AuthedContext,
private backup: z.infer<typeof zBackupSchema>,
) {}
static async fromId(ctx: AuthedContext, backupId: string): Promise<Backup> {
const backup = await ctx.db.query.backupsTable.findFirst({
where: and(
eq(backupsTable.id, backupId),
eq(backupsTable.userId, ctx.user.id),
),
});
if (!backup) {
throw new TRPCError({
code: "NOT_FOUND",
message: "Backup not found",
});
}
return new Backup(ctx, backup);
}
private static fromData(
ctx: AuthedContext,
backup: z.infer<typeof zBackupSchema>,
): Backup {
return new Backup(ctx, backup);
}
static async getAll(ctx: AuthedContext): Promise<Backup[]> {
const backups = await ctx.db.query.backupsTable.findMany({
where: eq(backupsTable.userId, ctx.user.id),
orderBy: [desc(backupsTable.createdAt)],
});
return backups.map((b) => new Backup(ctx, b));
}
static async create(ctx: AuthedContext): Promise<Backup> {
const [backup] = await ctx.db
.insert(backupsTable)
.values({
userId: ctx.user.id,
size: 0,
bookmarkCount: 0,
status: "pending",
})
.returning();
return new Backup(ctx, backup!);
}
async triggerBackgroundJob({
delayMs,
idempotencyKey,
}: { delayMs?: number; idempotencyKey?: string } = {}): Promise<void> {
await BackupQueue.enqueue(
{
userId: this.ctx.user.id,
backupId: this.backup.id,
},
{
delayMs,
idempotencyKey,
},
);
}
/**
* Generic update method for backup records
*/
async update(
data: Partial<{
size: number;
bookmarkCount: number;
status: "pending" | "success" | "failure";
assetId: string | null;
errorMessage: string | null;
}>,
): Promise<void> {
await this.ctx.db
.update(backupsTable)
.set(data)
.where(
and(
eq(backupsTable.id, this.backup.id),
eq(backupsTable.userId, this.ctx.user.id),
),
);
// Update local state
this.backup = { ...this.backup, ...data };
}
async delete(): Promise<void> {
if (this.backup.assetId) {
// Delete asset
await deleteAsset({
userId: this.ctx.user.id,
assetId: this.backup.assetId,
});
}
await this.ctx.db.transaction(async (db) => {
// Delete asset first
if (this.backup.assetId) {
await db
.delete(assets)
.where(
and(
eq(assets.id, this.backup.assetId),
eq(assets.userId, this.ctx.user.id),
),
);
}
// Delete backup record
await db
.delete(backupsTable)
.where(
and(
eq(backupsTable.id, this.backup.id),
eq(backupsTable.userId, this.ctx.user.id),
),
);
});
}
/**
* Finds backups older than the retention period
*/
static async findOldBackups(
ctx: AuthedContext,
retentionDays: number,
): Promise<Backup[]> {
const cutoffDate = new Date();
cutoffDate.setDate(cutoffDate.getDate() - retentionDays);
const oldBackups = await ctx.db.query.backupsTable.findMany({
where: and(
eq(backupsTable.userId, ctx.user.id),
lt(backupsTable.createdAt, cutoffDate),
),
});
return oldBackups.map((backup) => Backup.fromData(ctx, backup));
}
asPublic(): z.infer<typeof zBackupSchema> {
return this.backup;
}
get id() {
return this.backup.id;
}
get assetId() {
return this.backup.assetId;
}
}
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