fix: add missing docs for update survey endpoint (#1652)

apps/formbricks-com/app/docs/api/management/surveys/page.mdx

@@ -14,6 +14,7 @@ This set of API can be used to
 - [List All Surveys](#list-all-surveys)
 - [Get Survey](#get-survey-by-id)
 - [Create Survey](#create-survey)
+- [Update Survey](#update-survey-by-id)
 - [Delete Survey](#delete-survey-by-id)
 
 <Note>You will need an API Key to interact with these APIs.</Note>
@@ -472,6 +473,121 @@ This set of API can be used to
 
 ---
 
+## Update Survey by ID {{ tag: 'PUT', label: '/api/v1/management/surveys/<survey-id>' }}
+
+<Row>
+  <Col>
+
+    Update a survey by its ID
+
+    ### Mandatory Headers
+
+    <Properties>
+      <Property name="x-Api-Key" type="string">
+        Your Formbricks API key.
+      </Property>
+    </Properties>
+
+    ### Body
+
+    <CodeGroup title="Request Body">
+    ```json {{ title: 'cURL' }}
+    {
+        "name": "My renamed Survey",
+        "redirectUrl":"https://formbricks.com",
+        "type":"web"
+    }
+    ```
+    </CodeGroup>
+
+
+  </Col>
+  <Col sticky>
+
+    <CodeGroup title="Request" tag="PUT" label="/api/v1/management/surveys/<survey-id>">
+
+    ```bash {{ title: 'cURL' }}
+    curl -X POST https://app.formbricks.com/api/v1/management/surveys/<survey-id> \
+     --header 'Content-Type: application/json' \
+     --header 'x-api-key: <your-api-key>' \
+     -d '{"name": "My renamed Survey"}'
+    ```
+
+    </CodeGroup>
+
+    <CodeGroup title="Response">
+
+    ```json {{title:'200 Success'}}
+    {
+        "data": {
+            "id": "cloqzeuu70000z8khcirufo60",
+            "createdAt": "2023-11-09T09:23:42.367Z",
+            "updatedAt": "2023-11-09T09:23:42.367Z",
+            "name": "My renamed Survey",
+            "redirectUrl": null,
+            "type": "link",
+            "environmentId": "clonzr6vc0009z8md7y06hipl",
+            "status": "inProgress",
+            "welcomeCard": {
+                "html": "Thanks for providing your feedback - let's go!",
+                "enabled": false,
+                "headline": "Welcome!",
+                "timeToFinish": false
+            },
+            "questions": [
+                {
+                    "id": "l9rwn5nbk48y44tvnyyjcvca",
+                    "type": "openText",
+                    "headline": "Why did you leave the platform?",
+                    "required": true,
+                    "inputType": "text"
+                }
+            ],
+            "thankYouCard": {
+                "enabled": true,
+                "headline": "Thank you!",
+                "subheader": "We appreciate your feedback."
+            },
+            "hiddenFields": {
+                "enabled": true,
+                "fieldIds": []
+            },
+            "displayOption": "displayOnce",
+            "recontactDays": null,
+            "autoClose": null,
+            "delay": 0,
+            "autoComplete": 50,
+            "closeOnDate": null,
+            "surveyClosedMessage": null,
+            "productOverwrites": null,
+            "singleUse": {
+                "enabled": false,
+                "isEncrypted": true
+            },
+            "verifyEmail": null,
+            "pin": null,
+            "triggers": [],
+            "attributeFilters": []
+        }
+    }
+    ```
+    
+    ```json {{ title: '401 Not Authenticated' }}
+    {
+      "code": "not_authenticated",
+      "message": "Not authenticated",
+      "details": {
+        "x-Api-Key": "Header not provided or API Key invalid"
+        }
+    }
+    ```
+    </CodeGroup>
+
+  </Col>
+</Row>
+
+---
+
 
 ## Delete Survey by ID {{ tag: 'DELETE', label: '/api/v1/management/surveys/<survey-id>' }}
 

apps/web/app/api/v1/management/surveys/[surveyId]/route.ts

@@ -64,7 +64,10 @@ export async function PUT(
       return responses.notFoundResponse("Survey", params.surveyId);
     }
     const surveyUpdate = await request.json();
-    const inputValidation = ZSurvey.safeParse(surveyUpdate);
+    const inputValidation = ZSurvey.safeParse({
+      ...survey,
+      ...surveyUpdate,
+    });
     if (!inputValidation.success) {
       return responses.badRequestResponse(
         "Fields are missing or incorrectly formatted",