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feat: enable reordering of cards and lists

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Henry
2023-11-14 18:31:31 +00:00
parent 2604484473
commit decfe2dd98
5 changed files with 165 additions and 56 deletions
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39
src/server/api/routers/card.ts
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@@ -1,5 +1,5 @@
import { z } from "zod";
import { and, eq, gte, or} from "drizzle-orm";
import { eq, sql } from "drizzle-orm";
import { cards, lists } from "~/server/db/schema";
@@ -24,20 +24,33 @@ export const cardRouter = createTRPCRouter({
if (!userId) return;
return ctx.db.transaction(async (tx) => {
const [currentList, newList] = await tx.select({ id: lists.id }).from(lists).where(or(eq(lists.publicId, input.currentListId), eq(lists.publicId, input.newListId)))
const [currentList] = await tx.select({ id: lists.id }).from(lists).where(eq(lists.publicId, input.currentListId))
const [newList] = await tx.select({ id: lists.id }).from(lists).where(eq(lists.publicId, input.newListId))
if (!currentList?.id || !newList?.id) return;
await tx
.update(cards)
.set({ index: input.newIndex + 1 })
.where(and(eq(cards.listId, newList.id), gte(cards.index, input.newIndex)))
await tx
.update(cards)
.set({ listId: newList.id, index: input.newIndex })
.where(eq(cards.publicId, input.cardId))
if (currentList.id === newList.id) {
await tx.execute(sql`
UPDATE ${cards}
SET ${cards.index} =
CASE
WHEN ${cards.index} = ${input.currentIndex} THEN ${input.newIndex}
WHEN ${input.currentIndex} < ${input.newIndex} AND ${cards.index} > ${input.currentIndex} AND ${cards.index} <= ${input.newIndex} THEN ${cards.index} - 1
WHEN ${input.currentIndex} > ${input.newIndex} AND ${cards.index} >= ${input.newIndex} AND ${cards.index} < ${input.currentIndex} THEN ${cards.index} + 1
ELSE ${cards.index}
END
WHERE ${cards.listId} = ${currentList.id};
`);
} else {
await tx.execute(sql`UPDATE ${cards} SET ${cards.index} = ${cards.index} + 1 WHERE ${cards.listId} = ${newList.id} AND ${cards.index} >= ${input.newIndex};`)
await tx.execute(sql`UPDATE ${cards} SET ${cards.index} = ${cards.index} - 1 WHERE ${cards.listId} = ${currentList.id} AND ${cards.index} >= ${input.currentIndex};`)
await tx
.update(cards)
.set({ listId: newList.id, index: input.newIndex })
.where(eq(cards.publicId, input.cardId));
}
})
}),
})
});