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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 | 9x 6x 4x 4x | // Data Access Layer for slug redirects
import { and, eq } from "drizzle-orm";
import type { DrizzleD1Database } from "drizzle-orm/d1";
import * as schema from "../db/schema";
import type { NewSlugRedirect, SlugRedirect } from "../db/schema";
export type SlugRedirectEntityType = "pro" | "project" | "room";
export class SlugRedirectsDal {
constructor(private db: DrizzleD1Database<typeof schema>) {}
/**
* Record that oldSlug of entityType/entityId has been superseded.
* Uses INSERT OR IGNORE (onConflictDoNothing) on the composite unique
* index (entity_type, old_slug) — idempotent across re-runs.
* The caller must call this BEFORE the slug UPDATE so that if the UPDATE
* fails the redirect row points at a still-live slug (harmless).
*/
async record(data: NewSlugRedirect): Promise<void> {
await this.db
.insert(schema.slugRedirects)
.values(data)
.onConflictDoNothing();
}
/**
* Look up a redirect row by entity type and old slug.
* Returns null when no history row exists for this slug.
*/
async findByOldSlug(
entityType: SlugRedirectEntityType,
oldSlug: string,
): Promise<SlugRedirect | null> {
const rows = await this.db
.select()
.from(schema.slugRedirects)
.where(
and(
eq(schema.slugRedirects.entityType, entityType),
eq(schema.slugRedirects.oldSlug, oldSlug),
),
)
.limit(1);
return rows[0] ?? null;
}
}
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