opendata/ts/classes.handelsregister.ts

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import type { OpenData } from './classes.main.opendata.js';
import * as plugins from './plugins.js';
/**
* the HandlesRegister exposed as a class
*/
export class HandelsRegister {
private openDataRef: OpenData;
public smartbrowserInstance = new plugins.smartbrowser.SmartBrowser();
constructor(openDataRef: OpenData) {
this.openDataRef = openDataRef;
}
public async start() {
await this.smartbrowserInstance.start();
}
public async stop() {
await this.smartbrowserInstance.stop();
}
/**
* Search for a company by name
*/
public async getDataForCompany(companyNameArg: string) {
const page = await this.smartbrowserInstance.headlessBrowser.newPage();
await page.setViewport({ width: 1920, height: 1080 });
await page.goto('https://www.handelsregister.de/');
await page.evaluate(() => {
const elements = Array.from(document.querySelectorAll('.ui-menuitem-text > span'));
const targetElement = elements.find((el) => el.textContent?.trim() === 'Normal search');
if (targetElement) {
(targetElement as HTMLElement).click();
}
});
try {
// Wait for the textarea to appear
await page.waitForSelector('#form\\:schlagwoerter', { timeout: 5000 });
// Enter text into the textarea using page.evaluate
const inputText = companyNameArg;
await page.evaluate((text) => {
const textarea = document.querySelector<HTMLTextAreaElement>('#form\\:schlagwoerter');
if (textarea) {
textarea.value = text; // Set the value
// Trigger the change event manually if required
const event = new Event('change', { bubbles: true });
textarea.dispatchEvent(event);
}
}, inputText);
console.log('Text entered successfully!');
} catch (error) {
console.error('Failed to find or enter text into the textarea:', error);
}
try {
// Wait for the radio button's label to appear
await page.waitForSelector('label[for="form:schlagwortOptionen:0"]', { timeout: 5000 });
// Click the label to select the radio button
await page.evaluate(() => {
const label = document.querySelector<HTMLLabelElement>(
'label[for="form:schlagwortOptionen:0"]'
);
if (label) {
label.click();
}
});
console.log('Radio button clicked successfully!');
} catch (error) {
console.error('Failed to find or click the radio button:', error);
}
try {
// Wait for the button with the text "Find" to appear
await page.waitForSelector('span.ui-button-text.ui-c', { timeout: 5000 });
// Locate and click the button using its text
await page.evaluate(() => {
const buttons = Array.from(document.querySelectorAll('span.ui-button-text.ui-c'));
const targetButton = buttons.find((button) => button.textContent?.trim() === 'Find');
if (targetButton) {
const parentButton = targetButton.closest('button') || targetButton;
(parentButton as HTMLElement).click();
}
});
console.log('Find button clicked successfully!');
} catch (error) {
console.error('Failed to find or click the "Find" button:', error);
}
await page.waitForSelector('#ergebnissForm\\:selectedSuchErgebnisFormTable_data', {
timeout: 10000,
});
const businessRecords = await page.evaluate(() => {
const rows = document.querySelectorAll(
'#ergebnissForm\\:selectedSuchErgebnisFormTable_data > tr'
);
const records = [];
rows.forEach((row) => {
const nameElement = row.querySelector('td.ui-panelgrid-cell span.marginLeft20');
const cityElement = row.querySelector('td.ui-panelgrid-cell.sitzSuchErgebnisse span');
const statusElement = row.querySelector('td.ui-panelgrid-cell span.verticalText');
const registrationCourtElement = row.querySelector(
'td.ui-panelgrid-cell.fontTableNameSize'
);
const name = nameElement?.textContent?.trim();
const city = cityElement?.textContent?.trim();
const status = statusElement?.textContent?.trim();
const registrationCourt = registrationCourtElement?.textContent?.trim();
// Push parsed data into records array
records.push({
name,
city,
registrationCourt,
businessType: status,
});
});
return records;
});
await page.close();
// Finally, we return an object, which triggers a JSON file download
return businessRecords;
}
}