112 lines
4.8 KiB
Plaintext
112 lines
4.8 KiB
Plaintext
// Prisma schema — source of truth for the DB schema going forward,
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// replacing the hand-written `CREATE TABLE IF NOT EXISTS` migration that
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// used to live in src/lib/db.ts. Only the Request entity (Draft state only)
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// exists so far — see ../processes/asset-license-management.md for the full
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// data model / state machine this will grow into.
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generator client {
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provider = "prisma-client-js"
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}
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datasource db {
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provider = "postgresql"
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url = env("DATABASE_URL")
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}
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// Fixed, closed set of 2 values tied to the domain (asset vs license
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// request) — a native Postgres enum is the idiomatic Prisma mapping here.
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// This replaces the old `type TEXT NOT NULL CHECK (type IN ('asset',
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// 'license'))` column with `type "RequestType" NOT NULL` backed by a
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// `CREATE TYPE "RequestType" AS ENUM ('asset', 'license')`. Same validation
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// guarantee (only these two values are ever storable), different mechanism.
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// See feature-implementer report for the enum-vs-TEXT+CHECK trade-off.
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enum RequestType {
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asset
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license
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}
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model Request {
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id String @id @default(uuid()) @db.Uuid
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// Was a free-text String with no referential integrity — retrofitted to a
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// real FK once Employee records existed to point to (see Employee model
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// above). No production data existed at the time of this change (`requests`
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// table was empty), so this was a plain column-type migration, not a
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// backfill.
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employeeId String @map("employee_id") @db.Uuid
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employee Employee @relation(fields: [employeeId], references: [id])
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type RequestType
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reason String
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// Only the 'Draft' state is implemented so far. Deliberately kept as a
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// plain string (not an enum) until more states exist — see
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// src/lib/requests.ts's RequestStatus type.
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status String @default("Draft")
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createdAt DateTime @default(now()) @map("created_at") @db.Timestamptz(6)
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@@map("requests")
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}
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// Employee directory — see docs/asset-license-management.md's "Data model
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// (sơ bộ)" table (id, tên, phòng ban, manager). `department` is deliberately
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// a plain String for now, not a separate Department entity — that's a
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// possible future normalization, not built yet. `managerId` is a nullable
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// self-relation: top-level employees (no manager) have `managerId = null`.
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model Employee {
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id String @id @default(uuid()) @db.Uuid
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name String
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department String
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managerId String? @map("manager_id") @db.Uuid
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manager Employee? @relation("EmployeeManager", fields: [managerId], references: [id])
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reports Employee[] @relation("EmployeeManager")
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requests Request[]
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createdAt DateTime @default(now()) @map("created_at") @db.Timestamptz(6)
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@@map("employees")
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}
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// Fixed, closed set of 4 values tied to the domain (see docs/
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// asset-license-management.md's "Data model (sơ bộ)" table) — native
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// Postgres enum, same rationale as RequestType above.
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enum AssetItemStatus {
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in_stock
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assigned
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repair
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retired
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}
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// Hardware inventory — see docs/asset-license-management.md's "Data model
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// (sơ bộ)" table (serial number, model, ngày mua, bảo hành, trạng thái).
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// No Vendor/Assignment relation yet — those entities don't exist yet
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// (see "Việc còn dở" in CLAUDE.md), so this is a standalone entity for now,
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// same starting shape as Employee before Request grew an FK to it.
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// warrantyEndDate is nullable: not every asset has known warranty terms at
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// intake time (smallest sensible assumption — doesn't block creation).
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model AssetItem {
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id String @id @default(uuid()) @db.Uuid
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serialNumber String @unique @map("serial_number")
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model String
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purchaseDate DateTime @map("purchase_date") @db.Date
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warrantyEndDate DateTime? @map("warranty_end_date") @db.Date
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status AssetItemStatus @default(in_stock)
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createdAt DateTime @default(now()) @map("created_at") @db.Timestamptz(6)
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@@map("asset_items")
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}
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// Minimal internal auth accounts — NOT company SSO (deliberately ruled out,
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// see CLAUDE.md / auth decision notes). A handful of trusted IT staff
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// accounts, created by hand via scripts/create-user.ts, no self-registration.
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// Auth.js v5 Credentials provider + JWT session strategy is used, so this is
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// intentionally just a plain user table — no `Account`/`Session`/
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// `VerificationToken` models, those exist for OAuth account linking / DB
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// session strategy, neither of which applies here. No `role` field either:
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// permission model is flat for now (any logged-in user can do anything).
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model User {
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id String @id @default(uuid()) @db.Uuid
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email String @unique
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passwordHash String @map("password_hash")
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name String
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createdAt DateTime @default(now()) @map("created_at") @db.Timestamptz(6)
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@@map("users")
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}
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