fix: use enum for type

packages/lib/server-only/template/create-template.ts

@@ -1,6 +1,7 @@
 import type { z } from 'zod';
 
 import { prisma } from '@documenso/prisma';
+import { FolderType } from '@documenso/prisma/generated/types';
 import { TemplateSchema } from '@documenso/prisma/generated/zod/modelSchema//TemplateSchema';
 import type { TCreateTemplateMutationSchema } from '@documenso/trpc/server/template-router/schema';
 
@@ -44,29 +45,34 @@ export const createTemplate = async ({
     }
   }
 
-  const folder = await prisma.folder.findFirstOrThrow({
-    where: {
-      id: folderId,
-      ...(teamId
-        ? {
-            team: {
-              id: teamId,
-              members: {
-                some: {
-                  userId,
+  let folder = null;
+
+  if (folderId) {
+    folder = await prisma.folder.findFirst({
+      where: {
+        id: folderId,
+        type: FolderType.TEMPLATE,
+        ...(teamId
+          ? {
+              team: {
+                id: teamId,
+                members: {
+                  some: {
+                    userId,
+                  },
                 },
               },
-            },
-          }
-        : {
-            userId,
-            teamId: null,
-          }),
-    },
-  });
+            }
+          : {
+              userId,
+              teamId: null,
+            }),
+      },
+    });
 
-  if (!team) {
-    throw new AppError(AppErrorCode.NOT_FOUND);
+    if (!folder) {
+      throw new AppError(AppErrorCode.NOT_FOUND);
+    }
   }
 
   return await prisma.template.create({
@@ -75,7 +81,7 @@ export const createTemplate = async ({
       userId,
       templateDocumentDataId,
       teamId,
-      folderId: folder.id,
+      folderId: folder?.id,
       templateMeta: {
         create: {
           language: team?.teamGlobalSettings?.documentLanguage,