Replaced prisma with drizzle

src/server/api/routers/post.ts

@@ -5,6 +5,7 @@ import {
   protectedProcedure,
   publicProcedure,
 } from "~/server/api/trpc";
+import { posts } from "~/server/db/schema";
 
 export const postRouter = createTRPCRouter({
   hello: publicProcedure
@@ -18,18 +19,15 @@ export const postRouter = createTRPCRouter({
   create: protectedProcedure
     .input(z.object({ name: z.string().min(1) }))
     .mutation(async ({ ctx, input }) => {
-      return ctx.db.post.create({
-        data: {
-          name: input.name,
-          createdBy: { connect: { id: ctx.session.user.id } },
-        },
+      await ctx.db.insert(posts).values({
+        name: input.name,
+        createdById: ctx.session.user.id,
       });
     }),
 
   getLatest: protectedProcedure.query(async ({ ctx }) => {
-    const post = await ctx.db.post.findFirst({
-      orderBy: { createdAt: "desc" },
-      where: { createdBy: { id: ctx.session.user.id } },
+    const post = await ctx.db.query.posts.findFirst({
+      orderBy: (posts, { desc }) => [desc(posts.createdAt)],
     });
 
     return post ?? null;

src/server/auth/config.ts

@@ -1,8 +1,14 @@
-import { PrismaAdapter } from "@auth/prisma-adapter";
+import { DrizzleAdapter } from "@auth/drizzle-adapter";
 import { type DefaultSession, type NextAuthConfig } from "next-auth";
 import DiscordProvider from "next-auth/providers/discord";
 
 import { db } from "~/server/db";
+import {
+  accounts,
+  sessions,
+  users,
+  verificationTokens,
+} from "~/server/db/schema";
 
 /**
  * Module augmentation for `next-auth` types. Allows us to add custom properties to the `session`
@@ -43,7 +49,12 @@ export const authConfig = {
      * @see https://next-auth.js.org/providers/github
      */
   ],
-  adapter: PrismaAdapter(db),
+  adapter: DrizzleAdapter(db, {
+    usersTable: users,
+    accountsTable: accounts,
+    sessionsTable: sessions,
+    verificationTokensTable: verificationTokens,
+  }),
   callbacks: {
     session: ({ session, user }) => ({
       ...session,

src/server/db.ts

@@ -1,17 +0,0 @@
-import { PrismaClient } from "@prisma/client";
-
-import { env } from "~/env";
-
-const createPrismaClient = () =>
-  new PrismaClient({
-    log:
-      env.NODE_ENV === "development" ? ["query", "error", "warn"] : ["error"],
-  });
-
-const globalForPrisma = globalThis as unknown as {
-  prisma: ReturnType<typeof createPrismaClient> | undefined;
-};
-
-export const db = globalForPrisma.prisma ?? createPrismaClient();
-
-if (env.NODE_ENV !== "production") globalForPrisma.prisma = db;

src/server/db/index.ts

@@ -0,0 +1,18 @@
+import { drizzle } from "drizzle-orm/postgres-js";
+import postgres from "postgres";
+
+import { env } from "~/env";
+import * as schema from "./schema";
+
+/**
+ * Cache the database connection in development. This avoids creating a new connection on every HMR
+ * update.
+ */
+const globalForDb = globalThis as unknown as {
+  conn: postgres.Sql | undefined;
+};
+
+const conn = globalForDb.conn ?? postgres(env.DATABASE_URL);
+if (env.NODE_ENV !== "production") globalForDb.conn = conn;
+
+export const db = drizzle(conn, { schema });

src/server/db/schema.ts

@@ -0,0 +1,129 @@
+import { relations, sql } from "drizzle-orm";
+import {
+  index,
+  integer,
+  pgTableCreator,
+  primaryKey,
+  text,
+  timestamp,
+  varchar,
+} from "drizzle-orm/pg-core";
+import { type AdapterAccount } from "next-auth/adapters";
+
+/**
+ * This is an example of how to use the multi-project schema feature of Drizzle ORM. Use the same
+ * database instance for multiple projects.
+ *
+ * @see https://orm.drizzle.team/docs/goodies#multi-project-schema
+ */
+export const createTable = pgTableCreator((name) => `ls_${name}`);
+
+export const posts = createTable(
+  "post",
+  {
+    id: integer("id").primaryKey().generatedByDefaultAsIdentity(),
+    name: varchar("name", { length: 256 }),
+    createdById: varchar("created_by", { length: 255 })
+      .notNull()
+      .references(() => users.id),
+    createdAt: timestamp("created_at", { withTimezone: true })
+      .default(sql`CURRENT_TIMESTAMP`)
+      .notNull(),
+    updatedAt: timestamp("updated_at", { withTimezone: true }).$onUpdate(
+      () => new Date()
+    ),
+  },
+  (example) => ({
+    createdByIdIdx: index("created_by_idx").on(example.createdById),
+    nameIndex: index("name_idx").on(example.name),
+  })
+);
+
+export const users = createTable("user", {
+  id: varchar("id", { length: 255 })
+    .notNull()
+    .primaryKey()
+    .$defaultFn(() => crypto.randomUUID()),
+  name: varchar("name", { length: 255 }),
+  email: varchar("email", { length: 255 }).notNull(),
+  emailVerified: timestamp("email_verified", {
+    mode: "date",
+    withTimezone: true,
+  }).default(sql`CURRENT_TIMESTAMP`),
+  image: varchar("image", { length: 255 }),
+});
+
+export const usersRelations = relations(users, ({ many }) => ({
+  accounts: many(accounts),
+}));
+
+export const accounts = createTable(
+  "account",
+  {
+    userId: varchar("user_id", { length: 255 })
+      .notNull()
+      .references(() => users.id),
+    type: varchar("type", { length: 255 })
+      .$type<AdapterAccount["type"]>()
+      .notNull(),
+    provider: varchar("provider", { length: 255 }).notNull(),
+    providerAccountId: varchar("provider_account_id", {
+      length: 255,
+    }).notNull(),
+    refresh_token: text("refresh_token"),
+    access_token: text("access_token"),
+    expires_at: integer("expires_at"),
+    token_type: varchar("token_type", { length: 255 }),
+    scope: varchar("scope", { length: 255 }),
+    id_token: text("id_token"),
+    session_state: varchar("session_state", { length: 255 }),
+  },
+  (account) => ({
+    compoundKey: primaryKey({
+      columns: [account.provider, account.providerAccountId],
+    }),
+    userIdIdx: index("account_user_id_idx").on(account.userId),
+  })
+);
+
+export const accountsRelations = relations(accounts, ({ one }) => ({
+  user: one(users, { fields: [accounts.userId], references: [users.id] }),
+}));
+
+export const sessions = createTable(
+  "session",
+  {
+    sessionToken: varchar("session_token", { length: 255 })
+      .notNull()
+      .primaryKey(),
+    userId: varchar("user_id", { length: 255 })
+      .notNull()
+      .references(() => users.id),
+    expires: timestamp("expires", {
+      mode: "date",
+      withTimezone: true,
+    }).notNull(),
+  },
+  (session) => ({
+    userIdIdx: index("session_user_id_idx").on(session.userId),
+  })
+);
+
+export const sessionsRelations = relations(sessions, ({ one }) => ({
+  user: one(users, { fields: [sessions.userId], references: [users.id] }),
+}));
+
+export const verificationTokens = createTable(
+  "verification_token",
+  {
+    identifier: varchar("identifier", { length: 255 }).notNull(),
+    token: varchar("token", { length: 255 }).notNull(),
+    expires: timestamp("expires", {
+      mode: "date",
+      withTimezone: true,
+    }).notNull(),
+  },
+  (vt) => ({
+    compoundKey: primaryKey({ columns: [vt.identifier, vt.token] }),
+  })
+);