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kycnotme/.cursor/rules/database.mdc
2025-05-26 14:45:22 +00:00

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---
description: Querying the database, editing the database, needing to import types from the database, or anything related to the database or Prisma.
globs:
alwaysApply: false
---
- We use Prisma as ORM.
- Remember to check the prisma schema [schema.prisma](mdc:web/prisma/schema.prisma) when doing things related to the database.
- After making changes to the [schema.prisma](mdc:web/prisma/schema.prisma) database or [seed.ts](mdc:web/prisma/seed.ts), you run `npm run db-reset` (from `/web/` folder) [package.json](mdc:web/package.json). And never do the migrations manually.
- Import the types from prisma instead of hardcoding duplicates. Specially use the Prisma.___GetPayload type and the enums. Like this:
```ts
type Props = {
user: Prisma.UserGetPayload<{
select: {
name: true
displayName: true
picture: true
}
}>
}
```
- Only `select` the necessary fields, no more.
- In prisma preffer `select` over `include` when making queries.
- Avoid hardcoding enums from the database, import them from prisma.
- To query the database from Astro pages, use Astro.locals.try() or Astro.locals.tryMany([]) [errorBanners.ts](mdc:web/src/lib/errorBanners.ts) [middleware.ts](mdc:web/src/middleware.ts) , like so:
```ts
const [user, services] = await Astro.locals.banners.tryMany([
[
'Error fetching user',
() =>
prisma.user.findUnique({
where: { id: userId },
select: {
name: true,
displayName: true,
picture: true,
},
}),
],
[
'Error fetching services',
() =>
prisma.service.findMany({
where: { categories: { some: { id: categoryId } } },
select: {
id: true,
name: true,
slug: true,
},
}),
[] as [],
],
])
```
- When editing the database, remember to edit the db seeding file [seed.ts](mdc:web/prisma/seed.ts) to generate data for the new schema.