fix(HandelsRegister): Refined HandelsRegister functionality for better error handling and response capture.

changelog.md

@@ -1,5 +1,12 @@
 # Changelog
 
+## 2025-01-03 - 1.3.1 - fix(HandelsRegister)
+Refined HandelsRegister functionality for better error handling and response capture.
+
+- Improved parsing logic in parseGermanRegistration function.
+- Enhanced navigateToPage and clickFindButton methods with error messages for clarity.
+- Implemented a new responseListener to handle and log HTTP responses correctly.
+
 ## 2025-01-03 - 1.3.0 - feat(core)
 Enhanced data handling capabilities and improved company search functionalities.
 

ts/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@fin.cx/opendata',
-  version: '1.3.0',
+  version: '1.3.1',
   description: 'A TypeScript library for accessing, managing, and updating open business data, focused on German companies and integrating with MongoDB.'
 }

ts/classes.handelsregister.ts

@@ -114,7 +114,8 @@ export class HandelsRegister {
   private async parseGermanRegistration(
     input: string
   ): Promise<BusinessRecord['data']['germanParsedRegistration']> {
-    const regex = /District court (\p{L}[\p{L}\s-]*?(?:\s*\([\p{L}\s-]+\))?)\s+(HRA|HRB|GnR|VR|PR|GsR)\s+(\d+)/u;
+    const regex =
+      /District court (\p{L}[\p{L}\s-]*?(?:\s*\([\p{L}\s-]+\))?)\s+(HRA|HRB|GnR|VR|PR|GsR)\s+(\d+)/u;
     const match = input.match(regex);
 
     if (match) {
@@ -193,39 +194,101 @@ export class HandelsRegister {
     await page.waitForSelector('#form\\:schlagwoerter', { timeout: 5000 });
 
     // 1) Type of Register:
-// Open the dropdown to reveal options
-await page.waitForSelector('#form\\:registerArt_label');
-await page.click('#form\\:registerArt_label'); // Open the dropdown
+    // Open the dropdown to reveal options
+    await page.waitForSelector('#form\\:registerArt_label');
+    await page.click('#form\\:registerArt_label'); // Open the dropdown
 
-// Wait for the options and select the one matching companyArg.type
-await page.waitForSelector('#form\\:registerArt_items'); // Ensure dropdown options are loaded
-await page.evaluate((type) => {
+    // Wait for the options and select the one matching companyArg.type
+    await page.waitForSelector('#form\\:registerArt_items'); // Ensure dropdown options are loaded
+    await page.evaluate((type) => {
       const options = Array.from(document.querySelectorAll('#form\\:registerArt_items li'));
       const targetOption = options.find((option) => option.textContent?.trim() === type); // Match type dynamically
       (targetOption as any)?.click();
-}, companyArg.type); // Pass companyArg.type to the browser context
+    }, companyArg.type); // Pass companyArg.type to the browser context
 
-// 2) Register number:
-// Fill in the register number
-await page.waitForSelector('#form\\:registerNummer');
-await page.type('#form\\:registerNummer', companyArg.number);
+    // 2) Register number:
+    // Fill in the register number
+    await page.waitForSelector('#form\\:registerNummer');
+    await page.type('#form\\:registerNummer', companyArg.number);
 
-// 3) Register court:
-// Open the dropdown for the register court
-await page.waitForSelector('#form\\:registergericht_label');
-await page.click('#form\\:registergericht_label'); // Open the dropdown
+    // 3) Register court:
+    // Open the dropdown for the register court
+    await page.waitForSelector('#form\\:registergericht_label');
+    await page.click('#form\\:registergericht_label'); // Open the dropdown
 
-// Wait for the options and select the one matching companyArg.court
-await page.waitForSelector('#form\\:registergericht_items'); // Ensure dropdown options are loaded
-await page.evaluate((court) => {
+    // Wait for the options and select the one matching companyArg.court
+    await page.waitForSelector('#form\\:registergericht_items'); // Ensure dropdown options are loaded
+    await page.evaluate((court) => {
       const options = Array.from(document.querySelectorAll('#form\\:registergericht_items li'));
       const targetOption = options.find((option) => option.textContent?.trim() === court); // Match court dynamically
       (targetOption as any)?.click();
-}, companyArg.court); // Pass companyArg.court to the browser context
+    }, companyArg.court); // Pass companyArg.court to the browser context
 
     await this.clickFindButton(page);
 
     const businessRecords = await this.waitForResults(page);
     console.log(businessRecords);
+
+    // Define the response listener
+    const responseListener = async (
+      response: plugins.smartbrowser.smartpuppeteer.puppeteer.HTTPResponse
+    ) => {
+      // Ignore preflight (OPTIONS) requests
+      if (response.request().method() === 'OPTIONS') {
+        console.log(`Ignoring preflight request: ${response.url()}`);
+        return;
+      }
+
+      // Check for downloads (Content-Disposition header)
+      const contentDisposition = response.headers()['content-disposition'];
+
+      if (contentDisposition && contentDisposition.includes('attachment')) {
+        console.log(`Download detected: ${response.url()}`);
+        try {
+          const buffer = await response.buffer();
+          console.log(`Downloaded file size: ${buffer.length} bytes`);
+        } catch (error) {
+          console.error('Error downloading file:', error);
+        }
+      }
+    };
+    page.on('response', responseListener);
+
+    // Click the element
+    await page.evaluate(() => {
+      // Locate the table body
+      const tableBody = document.querySelector(
+        '#ergebnissForm\\:selectedSuchErgebnisFormTable_data'
+      );
+      if (!tableBody) {
+        throw new Error('Table body not found');
+      }
+
+      // Locate the first row
+      const firstRow = tableBody.querySelector('tr:nth-child(1)');
+      if (!firstRow) {
+        throw new Error('First row not found');
+      }
+
+      // Locate the last cell in the first row
+      const lastCell = firstRow.querySelector('td:last-child');
+      if (!lastCell) {
+        throw new Error('Last cell not found in the first row');
+      }
+
+      // Locate the last <a> element in the last cell
+      const lastLink = lastCell.querySelector('a:last-of-type');
+      if (!lastLink) {
+        throw new Error('Last link not found in the last cell');
+      }
+
+      // Simulate a click on the last <a> element
+      (lastLink as HTMLElement).click();
+    });
+
+    // Optional: Wait for some response or navigation triggered by the click
+    await page.waitForTimeout(10000);
+
+    page.off('response', responseListener);
   }
 }