feat(WHE-27): add drizzle db package and typed env config

packages/db/drizzle.config.ts

@@ -0,0 +1,14 @@
+import { defineConfig } from 'drizzle-kit'
+
+const dbCredentials = process.env.DATABASE_URL
+  ? {
+      url: process.env.DATABASE_URL
+    }
+  : undefined
+
+export default defineConfig({
+  dialect: 'postgresql',
+  schema: './packages/db/src/schema.ts',
+  out: './packages/db/drizzle',
+  dbCredentials
+})

packages/db/drizzle/0000_modern_centennial.sql

@@ -0,0 +1,18 @@
+CREATE TABLE "households" (
+	"id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL,
+	"name" text NOT NULL,
+	"created_at" timestamp with time zone DEFAULT now() NOT NULL
+);
+--> statement-breakpoint
+CREATE TABLE "members" (
+	"id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL,
+	"household_id" uuid NOT NULL,
+	"telegram_user_id" text NOT NULL,
+	"display_name" text NOT NULL,
+	"is_admin" integer DEFAULT 0 NOT NULL,
+	"joined_at" timestamp with time zone DEFAULT now() NOT NULL
+);
+--> statement-breakpoint
+ALTER TABLE "members" ADD CONSTRAINT "members_household_id_households_id_fk" FOREIGN KEY ("household_id") REFERENCES "public"."households"("id") ON DELETE cascade ON UPDATE no action;--> statement-breakpoint
+CREATE INDEX "members_household_idx" ON "members" USING btree ("household_id");--> statement-breakpoint
+CREATE UNIQUE INDEX "members_household_tg_user_unique" ON "members" USING btree ("household_id","telegram_user_id");

packages/db/drizzle/meta/0000_snapshot.json

@@ -0,0 +1,151 @@
+{
+  "id": "41ded009-68a0-4c58-87ba-e4ff51d87211",
+  "prevId": "00000000-0000-0000-0000-000000000000",
+  "version": "7",
+  "dialect": "postgresql",
+  "tables": {
+    "public.households": {
+      "name": "households",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "uuid",
+          "primaryKey": true,
+          "notNull": true,
+          "default": "gen_random_uuid()"
+        },
+        "name": {
+          "name": "name",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.members": {
+      "name": "members",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "uuid",
+          "primaryKey": true,
+          "notNull": true,
+          "default": "gen_random_uuid()"
+        },
+        "household_id": {
+          "name": "household_id",
+          "type": "uuid",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "telegram_user_id": {
+          "name": "telegram_user_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "display_name": {
+          "name": "display_name",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "is_admin": {
+          "name": "is_admin",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "default": 0
+        },
+        "joined_at": {
+          "name": "joined_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        }
+      },
+      "indexes": {
+        "members_household_idx": {
+          "name": "members_household_idx",
+          "columns": [
+            {
+              "expression": "household_id",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        },
+        "members_household_tg_user_unique": {
+          "name": "members_household_tg_user_unique",
+          "columns": [
+            {
+              "expression": "household_id",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            },
+            {
+              "expression": "telegram_user_id",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": true,
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        }
+      },
+      "foreignKeys": {
+        "members_household_id_households_id_fk": {
+          "name": "members_household_id_households_id_fk",
+          "tableFrom": "members",
+          "tableTo": "households",
+          "columnsFrom": ["household_id"],
+          "columnsTo": ["id"],
+          "onDelete": "cascade",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    }
+  },
+  "enums": {},
+  "schemas": {},
+  "sequences": {},
+  "roles": {},
+  "policies": {},
+  "views": {},
+  "_meta": {
+    "columns": {},
+    "schemas": {},
+    "tables": {}
+  }
+}

packages/db/drizzle/meta/_journal.json

@@ -0,0 +1,13 @@
+{
+  "version": "7",
+  "dialect": "postgresql",
+  "entries": [
+    {
+      "idx": 0,
+      "version": "7",
+      "when": 1772663250726,
+      "tag": "0000_modern_centennial",
+      "breakpoints": true
+    }
+  ]
+}

packages/db/package.json

@@ -0,0 +1,16 @@
+{
+  "name": "@household/db",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "build": "bun build src/index.ts --outdir dist --target bun",
+    "typecheck": "tsgo --project tsconfig.json --noEmit",
+    "test": "bun test --pass-with-no-tests",
+    "lint": "oxlint \"src\""
+  },
+  "dependencies": {
+    "@household/config": "workspace:*",
+    "drizzle-orm": "^0.44.5",
+    "postgres": "^3.4.7"
+  }
+}

packages/db/src/client.ts

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+import postgres from 'postgres'
+import { drizzle } from 'drizzle-orm/postgres-js'
+
+import { env } from '@household/config'
+
+const queryClient = postgres(env.DATABASE_URL, {
+  prepare: false,
+  max: 5
+})
+
+export const db = drizzle(queryClient)
+export { queryClient }

packages/db/src/index.ts

@@ -0,0 +1,2 @@
+export { db, queryClient } from './client'
+export * as schema from './schema'

packages/db/src/schema.ts

@@ -0,0 +1,28 @@
+import { index, integer, pgTable, text, timestamp, uniqueIndex, uuid } from 'drizzle-orm/pg-core'
+
+export const households = pgTable('households', {
+  id: uuid('id').defaultRandom().primaryKey(),
+  name: text('name').notNull(),
+  createdAt: timestamp('created_at', { withTimezone: true }).defaultNow().notNull()
+})
+
+export const members = pgTable(
+  'members',
+  {
+    id: uuid('id').defaultRandom().primaryKey(),
+    householdId: uuid('household_id')
+      .notNull()
+      .references(() => households.id, { onDelete: 'cascade' }),
+    telegramUserId: text('telegram_user_id').notNull(),
+    displayName: text('display_name').notNull(),
+    isAdmin: integer('is_admin').default(0).notNull(),
+    joinedAt: timestamp('joined_at', { withTimezone: true }).defaultNow().notNull()
+  },
+  (table) => ({
+    householdIdx: index('members_household_idx').on(table.householdId),
+    householdTgUserUnique: uniqueIndex('members_household_tg_user_unique').on(
+      table.householdId,
+      table.telegramUserId
+    )
+  })
+)

packages/db/tsconfig.json

@@ -0,0 +1,7 @@
+{
+  "extends": "../../tsconfig.base.json",
+  "compilerOptions": {
+    "composite": true
+  },
+  "include": ["src/**/*.ts", "drizzle.config.ts"]
+}