add legacy endpoint

apps/web/next.config.js

@@ -22,6 +22,20 @@ const nextConfig = {
           },
         ],
       },
+      {
+        // matching all API routes
+        source: "/api/capture/:path*",
+        headers: [
+          { key: "Access-Control-Allow-Credentials", value: "true" },
+          { key: "Access-Control-Allow-Origin", value: "*" },
+          { key: "Access-Control-Allow-Methods", value: "GET,OPTIONS,PATCH,DELETE,POST,PUT" },
+          {
+            key: "Access-Control-Allow-Headers",
+            value:
+              "X-CSRF-Token, X-Requested-With, Accept, Accept-Version, Content-Length, Content-MD5, Content-Type, Date, X-Api-Version",
+          },
+        ],
+      },
     ];
   },
 };

apps/web/pages/api/capture/forms/[formId]/schema/index.ts

@@ -0,0 +1,39 @@
+import type { NextApiRequest, NextApiResponse } from "next";
+
+export default async function handle(req: NextApiRequest, res: NextApiResponse) {
+  const formId = req.query.formId?.toString();
+
+  // CORS
+  if (req.method === "OPTIONS") {
+    res.status(200).end();
+  }
+
+  // POST/capture/forms/[formId]/schema
+  // Update form schema
+  // Required fields in body: -
+  // Optional fields in body: customerId, data
+  else if (req.method === "POST") {
+    if (process.env.FORMBRICKS_LEGACY_HOST) {
+      const response = await fetch(
+        `${process.env.FORMBRICKS_LEGACY_HOST}/api/capture/forms/${formId}/schema`,
+        {
+          method: "POST",
+          headers: {
+            "Content-Type": "application/json",
+            Authorization: `Bearer ${process.env.FORMBRICKS_LEGACY_HOST}`,
+          },
+          body: JSON.stringify(req.body),
+        }
+      );
+      const responseData = await response.json();
+      res.json(responseData);
+    } else {
+      throw new Error(`The HTTP ${req.method} method is not supported by this route.`);
+    }
+  }
+
+  // Unknown HTTP Method
+  else {
+    throw new Error(`The HTTP ${req.method} method is not supported by this route.`);
+  }
+}

apps/web/pages/api/capture/forms/[formId]/submissions/[submissionId]/index.ts

@@ -0,0 +1,41 @@
+import type { NextApiRequest, NextApiResponse } from "next";
+
+export default async function handle(req: NextApiRequest, res: NextApiResponse) {
+  const formId = req.query.formId?.toString();
+  const submissionId = req.query.submissionId?.toString();
+
+  // CORS
+  if (req.method === "OPTIONS") {
+    res.status(200).end();
+  }
+
+  // PUT /capture/forms/[formId]/submissions/[submissionId]
+  // Extend an existing form submission
+  // Required fields in body: -
+  // Optional fields in body: customerId, data
+  else if (req.method === "PUT") {
+    // redirect request and make a request to legacy.formbricks.com
+    if (process.env.FORMBRICKS_LEGACY_HOST) {
+      const response = await fetch(
+        `${process.env.FORMBRICKS_LEGACY_HOST}/api/capture/forms/${formId}/submissions/${submissionId}`,
+        {
+          method: "PUT",
+          headers: {
+            "Content-Type": "application/json",
+            Authorization: `Bearer ${process.env.FORMBRICKS_LEGACY_HOST}`,
+          },
+          body: JSON.stringify(req.body),
+        }
+      );
+      const responseData = await response.json();
+      res.json(responseData);
+    } else {
+      throw new Error(`The HTTP ${req.method} method is not supported by this route.`);
+    }
+  }
+
+  // Unknown HTTP Method
+  else {
+    throw new Error(`The HTTP ${req.method} method is not supported by this route.`);
+  }
+}

apps/web/pages/api/capture/forms/[formId]/submissions/index.ts

@@ -0,0 +1,39 @@
+import type { NextApiRequest, NextApiResponse } from "next";
+
+export default async function handle(req: NextApiRequest, res: NextApiResponse) {
+  const formId = req.query.formId?.toString();
+
+  // CORS
+  if (req.method === "OPTIONS") {
+    res.status(200).end();
+  }
+
+  // POST/capture/forms/[formId]/submissions
+  // Create a new form submission
+  // Required fields in body: -
+  // Optional fields in body: customerId, data
+  else if (req.method === "POST") {
+    if (process.env.FORMBRICKS_LEGACY_HOST) {
+      const response = await fetch(
+        `${process.env.FORMBRICKS_LEGACY_HOST}/api/capture/forms/${formId}/submissions`,
+        {
+          method: "POST",
+          headers: {
+            "Content-Type": "application/json",
+            Authorization: `Bearer ${process.env.FORMBRICKS_LEGACY_HOST}`,
+          },
+          body: JSON.stringify(req.body),
+        }
+      );
+      const responseData = await response.json();
+      res.json(responseData);
+    } else {
+      throw new Error(`The HTTP ${req.method} method is not supported by this route.`);
+    }
+  }
+
+  // Unknown HTTP Method
+  else {
+    throw new Error(`The HTTP ${req.method} method is not supported by this route.`);
+  }
+}

turbo.json

@@ -5,6 +5,7 @@
       "dependsOn": ["^build"],
       "outputs": ["dist/**", ".next/**"],
       "env": [
+        "FORMBRICKS_LEGACY_HOST",
         "GITHUB_ID",
         "GITHUB_SECRET",
         "MAIL_FROM",