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import { and, eq, isNull, lte, sql } from "drizzle-orm";
import { db } from "../db/index.js";
import { CardState, cards } from "../db/schema.js";
import type { Card, CardRepository } from "./types.js";
export const cardRepository: CardRepository = {
async findByDeckId(deckId: string): Promise<Card[]> {
const result = await db
.select()
.from(cards)
.where(and(eq(cards.deckId, deckId), isNull(cards.deletedAt)));
return result;
},
async findById(id: string, deckId: string): Promise<Card | undefined> {
const result = await db
.select()
.from(cards)
.where(
and(
eq(cards.id, id),
eq(cards.deckId, deckId),
isNull(cards.deletedAt),
),
);
return result[0];
},
async create(
deckId: string,
data: {
front: string;
back: string;
},
): Promise<Card> {
const [card] = await db
.insert(cards)
.values({
deckId,
front: data.front,
back: data.back,
state: CardState.New,
due: new Date(),
stability: 0,
difficulty: 0,
elapsedDays: 0,
scheduledDays: 0,
reps: 0,
lapses: 0,
})
.returning();
if (!card) {
throw new Error("Failed to create card");
}
return card;
},
async update(
id: string,
deckId: string,
data: {
front?: string;
back?: string;
},
): Promise<Card | undefined> {
const result = await db
.update(cards)
.set({
...data,
updatedAt: new Date(),
syncVersion: sql`${cards.syncVersion} + 1`,
})
.where(
and(
eq(cards.id, id),
eq(cards.deckId, deckId),
isNull(cards.deletedAt),
),
)
.returning();
return result[0];
},
async softDelete(id: string, deckId: string): Promise<boolean> {
const result = await db
.update(cards)
.set({
deletedAt: new Date(),
updatedAt: new Date(),
syncVersion: sql`${cards.syncVersion} + 1`,
})
.where(
and(
eq(cards.id, id),
eq(cards.deckId, deckId),
isNull(cards.deletedAt),
),
)
.returning({ id: cards.id });
return result.length > 0;
},
async findDueCards(
deckId: string,
now: Date,
limit: number,
): Promise<Card[]> {
const result = await db
.select()
.from(cards)
.where(
and(
eq(cards.deckId, deckId),
isNull(cards.deletedAt),
lte(cards.due, now),
),
)
.orderBy(cards.due)
.limit(limit);
return result;
},
async updateFSRSFields(
id: string,
deckId: string,
data: {
state: number;
due: Date;
stability: number;
difficulty: number;
elapsedDays: number;
scheduledDays: number;
reps: number;
lapses: number;
lastReview: Date;
},
): Promise<Card | undefined> {
const result = await db
.update(cards)
.set({
state: data.state,
due: data.due,
stability: data.stability,
difficulty: data.difficulty,
elapsedDays: data.elapsedDays,
scheduledDays: data.scheduledDays,
reps: data.reps,
lapses: data.lapses,
lastReview: data.lastReview,
updatedAt: new Date(),
syncVersion: sql`${cards.syncVersion} + 1`,
})
.where(
and(
eq(cards.id, id),
eq(cards.deckId, deckId),
isNull(cards.deletedAt),
),
)
.returning();
return result[0];
},
};
|
