Download Product Variation Files catalog.product.offer.download

curl -X POST \
        -H "Content-Type: application/json" \
        -d '{"fields":{"fileId":6538,"productId":1286,"fieldName":"detailPicture"},"auth":"**put_access_token_here**"}' \
        --output offer-file \
        https://**put_your_bitrix24_address**/rest/catalog.product.offer.download
        

import { writeFile } from 'node:fs/promises'
        
        const response = await fetch(
          'https://**put_your_bitrix24_address**/rest/**put_your_user_id_here**/**put_your_webhook_here**/catalog.product.offer.download',
          {
            method: 'POST',
            headers: {
              'Content-Type': 'application/json',
            },
            body: JSON.stringify({
              fields: {
                fileId: 6538,
                productId: 1286,
                fieldName: 'detailPicture',
              },
            }),
          },
        )
        
        if (!response.ok) {
          throw new Error(await response.text())
        }
        
        const file = new Uint8Array(await response.arrayBuffer())
        await writeFile('offer-file', file)
        

<script>
          async function downloadOfferFile() {
            const response = await fetch(
              'https://**put_your_bitrix24_address**/rest/catalog.product.offer.download',
              {
                method: 'POST',
                headers: {
                  'Content-Type': 'application/json',
                },
                body: JSON.stringify({
                  fields: {
                    fileId: 6538,
                    productId: 1286,
                    fieldName: 'detailPicture',
                  },
                  auth: '**put_access_token_here**',
                }),
              },
            )
        
            if (!response.ok) {
              throw new Error(await response.text())
            }
        
            const blob = await response.blob()
            const url = URL.createObjectURL(blob)
            const link = document.createElement('a')
            link.href = url
            link.download = 'offer-file'
            document.body.appendChild(link)
            link.click()
            link.remove()
            URL.revokeObjectURL(url)
          }
        
          document.addEventListener('DOMContentLoaded', downloadOfferFile)
        </script>
        

import requests
        
        response = requests.post(
            "https://**put_your_bitrix24_address**/rest/**put_your_user_id_here**/**put_your_webhook_here**/catalog.product.offer.download",
            json={
                "fields": {
                    "fileId": 6538,
                    "productId": 1286,
                    "fieldName": "detailPicture",
                }
            },
        )
        response.raise_for_status()
        
        with open("offer-file", "wb") as file:
            file.write(response.content)
        

$curl = curl_init('https://**put_your_bitrix24_address**/rest/**put_your_user_id_here**/**put_your_webhook_here**/catalog.product.offer.download');
        curl_setopt_array($curl, [
            CURLOPT_POST => true,
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_HTTPHEADER => ['Content-Type: application/json'],
            CURLOPT_POSTFIELDS => json_encode([
                'fields' => [
                    'fileId' => 6538,
                    'productId' => 1286,
                    'fieldName' => 'detailPicture',
                ],
            ]),
        ]);
        
        $response = curl_exec($curl);
        $httpCode = curl_getinfo($curl, CURLINFO_HTTP_CODE);
        curl_close($curl);
        
        if ($httpCode === 200) {
            file_put_contents('offer-file', $response);
        } else {
            echo $response;
        }
        

const auth = BX24.getAuth()
        const url = new URL(`https://${auth.domain}/rest/catalog.product.offer.download`)
        url.searchParams.set('auth', auth.access_token)
        url.searchParams.set('fields[fileId]', 6538)
        url.searchParams.set('fields[productId]', 1286)
        url.searchParams.set('fields[fieldName]', 'detailPicture')
        
        fetch(url)
          .then(async response => {
            if (!response.ok) {
              throw new Error(await response.text())
            }
            return response.blob()
          })
          .then(blob => {
            const objectUrl = URL.createObjectURL(blob)
            const link = document.createElement('a')
            link.href = objectUrl
            link.download = 'offer-file'
            document.body.appendChild(link)
            link.click()
            link.remove()
            URL.revokeObjectURL(objectUrl)
          })
          .catch(error => console.error(error))
        

payload, err := json.Marshal(map[string]any{
            "fields": map[string]any{
                "fileId": 6538, "productId": 1286, "fieldName": "detailPicture",
            },
        })
        if err != nil {
            return err
        }
        
        url := "https://**put_your_bitrix24_address**/rest/**put_your_user_id_here**/**put_your_webhook_here**/catalog.product.offer.download"
        response, err := http.Post(url, "application/json", bytes.NewReader(payload))
        if err != nil {
            return err
        }
        defer response.Body.Close()
        
        body, err := io.ReadAll(response.Body)
        if err != nil {
            return err
        }
        if response.StatusCode != http.StatusOK {
            return fmt.Errorf("download failed: %s", body)
        }
        
        return os.WriteFile("offer-file", body, 0o644)