Refactor to vertical slice

apps/backend/src/modules/admin/features/create-plan/create-plan.business.ts

@@ -0,0 +1,32 @@
+import { db } from '@/lib/prisma';
+import type { AdminCreatePlanInput } from '@repo/api-contract';
+import { v7 as uuidv7 } from 'uuid';
+
+export async function createPlan(input: AdminCreatePlanInput) {
+  const existing = await db.plan.findUnique({
+    where: { code: input.code },
+  });
+
+  if (existing) {
+    return { ok: false as const, message: 'Ya existe un plan con ese código.' };
+  }
+
+  const plan = await db.plan.create({
+    data: {
+      code: input.code,
+      name: input.name,
+      price: input.price,
+      rules: input.rules,
+    },
+  });
+
+  return {
+    ok: true as const,
+    data: {
+      code: plan.code,
+      name: plan.name,
+      price: Number(plan.price),
+      rules: plan.rules,
+    },
+  };
+}

apps/backend/src/modules/admin/features/create-plan/create-plan.handler.ts

@@ -0,0 +1,15 @@
+import type { AppContext } from '@/types/hono';
+import type { AdminCreatePlanInput } from '@repo/api-contract';
+import { createPlan } from './create-plan.business';
+
+export async function createPlanHandler(c: AppContext) {
+  const body = c.req.valid('json' as never) as AdminCreatePlanInput;
+
+  const result = await createPlan(body);
+
+  if (!result.ok) {
+    return c.json({ message: result.message }, 409);
+  }
+
+  return c.json(result.data, 201);
+}