Add admin portal

apps/backend/src/modules/admin/handlers/update-plan.handler.ts

@@ -0,0 +1,35 @@
+import { db } from '@/lib/prisma';
+import type { AppContext } from '@/types/hono';
+import type { AdminUpdatePlanInput } from '@repo/api-contract';
+
+type UpdatePlanParams = { code: string };
+
+export async function updatePlanHandler(c: AppContext) {
+  const { code } = c.req.valid('param' as never) as UpdatePlanParams;
+  const body = c.req.valid('json' as never) as AdminUpdatePlanInput;
+
+  const existing = await db.plan.findUnique({
+    where: { code },
+  });
+
+  if (!existing) {
+    return c.json({ message: 'Plan no encontrado.' }, 404);
+  }
+
+  const plan = await db.plan.update({
+    where: { code },
+    data: {
+      ...(body.name !== undefined && { name: body.name }),
+      ...(body.price !== undefined && { price: body.price }),
+      ...(body.rules !== undefined && { rules: body.rules }),
+      lastUpdatedAt: new Date(),
+    },
+  });
+
+  return c.json({
+    code: plan.code,
+    name: plan.name,
+    price: Number(plan.price),
+    rules: plan.rules,
+  });
+}