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import type { Database } from "@/lib/db";
import { itemsTable } from "@/lib/db/schema";
import type { Item } from "@/types";
import { generateId } from "@/lib/id";
import { allocateWithRetry } from "../allocateWithRetry";
import { isUniqueViolation } from "../pg-conflict";
// Optional ordering for findByCollection; omit it for the full, unordered read.
// `orderBy: "number"` sorts number ASC with an id ASC tiebreaker (number is
// nullable, so determinism can't rest on it alone); `number` is the only
// supported order key for now.
export interface FindByCollectionOptions {
orderBy?: "number";
}
export class ItemRepository {
constructor(private db: Database) {}
async create(data: {
id?: string;
collectionId: string;
name?: string | null;
number?: number;
brand?: string;
style?: string;
color?: string;
material?: string;
category?: string;
status?: string;
notes?: string;
story?: string | null;
}): Promise<Item> {
const id = data.id || generateId("item");
const base = {
id,
collectionId: data.collectionId,
name: data.name ?? null,
brand: data.brand || null,
style: data.style || null,
color: data.color || null,
material: data.material || null,
category: data.category || null,
status: data.status || null,
notes: data.notes || null,
story: data.story || null,
createdAt: new Date(),
updatedAt: new Date(),
deletedAt: null,
};
// Explicit number: single insert, let any conflict surface.
if (data.number != null) {
const [item] = await this.db
.insert(itemsTable)
.values({ ...base, number: data.number })
.returning();
return this.mapToItem(item);
}
// Auto-allocate MAX+1, retry on the UNIQUE(collection_id, number) race
// (a retry-able insert — simpler than locking the max; a transaction is available but unnecessary here).
return allocateWithRetry(async () => {
const number = await this.getNextCatalogNumber(data.collectionId);
const [item] = await this.db
.insert(itemsTable)
.values({ ...base, number })
.returning();
return this.mapToItem(item);
}, isCatalogNumberConflict);
}
async findById(id: string): Promise<Item | null> {
const [item] = await this.db
.select()
.from(itemsTable)
.where(and(eq(itemsTable.id, id), isNull(itemsTable.deletedAt)));
return item ? this.mapToItem(item) : null;
}
async findByIdIncludingDeleted(id: string): Promise<Item | null> {
const [item] = await this.db
.select()
.from(itemsTable)
.where(eq(itemsTable.id, id));
return item ? this.mapToItem(item) : null;
}
// Non-deleted items of a collection. With no options this is the full,
// unordered read. `orderBy: "number"` sorts number ASC; number is nullable in
// schema (determinism rests on the app invariant that create always assigns
// one, not a DB constraint), so id ASC is the belt-and-suspenders tiebreaker.
async findByCollection(
collectionId: string,
options?: FindByCollectionOptions,
): Promise<Item[]> {
const base = this.db
.select()
.from(itemsTable)
.where(and(eq(itemsTable.collectionId, collectionId), isNull(itemsTable.deletedAt)));
const ordered =
options?.orderBy === "number"
? base.orderBy(asc(itemsTable.number), asc(itemsTable.id))
: base;
return (await ordered).map((i) => this.mapToItem(i));
}
// Soft-deleted ("archived") items of a collection, most recently archived first.
async findArchivedByCollection(collectionId: string): Promise<Item[]> {
const rows = await this.db
.select()
.from(itemsTable)
.where(and(eq(itemsTable.collectionId, collectionId), isNotNull(itemsTable.deletedAt)))
.orderBy(desc(itemsTable.deletedAt), asc(itemsTable.id));
return rows.map((r) => this.mapToItem(r));
}
async findByCollectionAndNumber(
collectionId: string,
number: number,
): Promise<Item | null> {
const [item] = await this.db
.select()
.from(itemsTable)
.where(
and(
eq(itemsTable.collectionId, collectionId),
eq(itemsTable.number, number),
isNull(itemsTable.deletedAt),
),
);
return item ? this.mapToItem(item) : null;
}
async getNextCatalogNumber(collectionId: string): Promise<number> {
// MAX over ALL rows (incl. soft-deleted) — a deleted item still holds its
// number in the UNIQUE(collection_id, number) index, so reusing it would
// collide. Resolution (findByCollectionAndNumber) excludes deleted rows.
const [row] = await this.db
.select({ max: sql<number | null>`max(${itemsTable.number})` })
.from(itemsTable)
.where(eq(itemsTable.collectionId, collectionId));
return (row?.max ?? 0) + 1;
}
async update(id: string, data: Partial<Item>): Promise<Item> {
const [item] = await this.db
.update(itemsTable)
.set({
...data,
updatedAt: new Date(),
})
.where(eq(itemsTable.id, id))
.returning();
return this.mapToItem(item);
}
async softDelete(id: string): Promise<Item> {
const [item] = await this.db
.update(itemsTable)
.set({
deletedAt: new Date(),
updatedAt: new Date(),
})
.where(eq(itemsTable.id, id))
.returning();
return this.mapToItem(item);
}
async hardDelete(id: string): Promise<void> {
await this.db.delete(itemsTable).where(eq(itemsTable.id, id));
}
// Permanently DELETE every item of the collection (active AND soft-deleted),
// returning the affected count. Caller has already removed FK-referencing
// children (photos, result-items, preferences). Purge-only.
async hardDeleteByCollection(collectionId: string): Promise<number> {
const rows = await this.db
.delete(itemsTable)
.where(eq(itemsTable.collectionId, collectionId))
.returning({ id: itemsTable.id });
return rows.length;
}
private mapToItem(row: typeof itemsTable.$inferSelect): Item {
return {
id: row.id,
collectionId: row.collectionId,
name: row.name,
brand: row.brand,
style: row.style,
color: row.color,
material: row.material,
category: row.category,
number: row.number,
height: row.height,
width: row.width,
depth: row.depth,
weight: row.weight,
unit: row.unit,
status: row.status,
notes: row.notes,
story: row.story,
createdAt: row.createdAt,
updatedAt: row.updatedAt,
deletedAt: row.deletedAt,
};
}
}
function isCatalogNumberConflict(error: unknown): boolean {
// Retry ONLY the UNIQUE(collection_id, number) race — any other unique
// violation is a real bug and must surface, not be masked by retries.
// Constraint name matches the Drizzle-generated unique index; update if renamed.
return isUniqueViolation(error, "items_collection_number_unique");
}
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