Invoice HTML Generation Guide

User

$html.="

";
$html.='

##Company_Name##
'.$clientDetails->first_name.' '.$clientDetails->last_name.'

INVOICE

Customer number
'.$clientno.'

Invoice number
'.date("Y-m")."/".$clientno.'/1

Invoice date
'.date('d.y.Y').'

VAT
342QWE

Hi '.$fullname.'

Thank you for choosing ##Company_Name##. We have prepared an invoice for the following services:

Service
Order ID
QTY
Price/unit
Net
19% VAT
Gross

';
$netTotal = '0';
$grossTotal = '0';
foreach ($invoices as $inv)
{
if(is_array($inv) && !is_null($inv))
{
$netTotal = $netTotal + $inv['total_price'];
$grossTotal = $grossTotal + ($inv['total_price']+$inv['vat_amount']);
$html .= '
'.$inv['project_name'].'
'.$inv['order_id'].'
'.$inv['cntTotalAmount'].'
€'.$inv['perUnitPrice'].'
€'.$inv['total_price'].'
€'.$inv['vat_amount'].'
€'.($inv['total_price']+$inv['vat_amount']).'
';
}
}
$html .= '

Total
€'.number_format($netTotal, 2).'
[19% VAT]
€'.number_format($grossTotal, 2).'

Reverse-Charge
The service date corresponds with the invoice date.
The payment will be processed through electronic payment method:

Credit Card

If you have any questions or require assistance, our customer service is here to help:
##Email##

feedback4you GmbH
VAT DE123451234

Birkenfeldstr. 8
85649 Brunnthal
Germany
##Email##

Commerzbank München
IBAN DE43 7004 0041 0220 8692 00
BIC: COBADEFFXXX

';

/*$html.="

Feedback4you is an offer from
##Company_Name##
##Address1##
##Pincode## ##CityName##
Tel: ##Phone##
Fax: +49 89 12 50 90 501
##Email##
www.feedback2you.com

##Company_Name## | ##Address1## ##Address2## | ##Pincode## ##CityName##

".$clientDetails->first_name.' '.$clientDetails->last_name."
".$clientDetails->address1."
".$clientDetails->address2."
".$clientDetails->zip_code."
".$clientDetails->city."

Customer Number: $clientno
Invoice Number: ".date("Y-m")."/".$clientno."/1
Invoice Date: ".Date('d.y.Y')."
Vat: 342QWE

INVOICE
Dear ".$fullname.",
Thank you for your order with ##Company_Name##. We are invoicing you for the following services:

Service
Order ID
Net
19% Vat
Gross

";

foreach ($invoices as $inv)
{
if(is_array($inv) && !is_null($inv))
{
$html.="
".$inv['project_name']."
".$inv['order_id']."
".$inv['total_price']." €
".$inv['vat_amount']." €
".($inv['total_price']+$inv['vat_amount'])." €
";
}
}

$html.="

Reverse-Charge
Leistungsdatum entspricht dem Rechnungsdatum. Bitte überweisen Sie den fälligen Rechnungsbetrag sofort nach Rechnungserhalt, unter Angabe der Rechnungsnummer, an die folgende Kontoverbindung:

Commerzbank München
BIC: COBADEFFXXX
IBAN: DE43 7004 0041 0220 8692 00

Wenn Sie Fragen zu dieser Rechnung haben, ist unser Kundenservice für Sie da:

##Phone##
##Email##

This invoice has been generated automatically and is valid without a signature.

";*/

$find = array("##Company_Name##","##Address1##","##Pincode##","##CityName##","##Phone##","##Email##","##Country##");
$replace = array('DCD Service Gmbh','Stefan-George-Ring 24','D-81929','Munchen',"+49 89 12 50 90 528","info@feedback4you.com","Germany");
$html = str_replace($find, $replace, $html);
$mpdf = app('mpdf');
$mpdf->SetDisplayMode('fullpage');

$stylesheet="

<style>
body{ background:url(/img/invoice_bg.jpg) no-repeat; background-size:cover}
        .table_invoice{ width:1080px; margin:100px auto 100px; font-family:arial; font-size:20px; line-height:28px}

        table.table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
        }
        table.table thead tr, table.table tfoot tr {
            background-color: white;
            border-radius: 20px;
            padding: 10px;
        }
        table.table thead tr th{text-align:left; padding:10px 20px}
        table.table tfoot tr td{text-align:left; padding:10px 20px; font-weight:bold;}  

        table.table  td{     color: #090607;}
  
        table.table  tbody tr {
            padding: 10px 0; 
        }

        table.table  tbody td {
            padding: 20px 10px; 
        }

        table.table  tbody tr + tr {
            margin-top: 10px; 
        }
      
        table.table thead th:first-child, tfoot td:first-child {
            border-top-left-radius: 20px;
            border-bottom-left-radius: 20px;
        }
        table.table thead th:last-child, table.table tfoot td:last-child {
            border-top-right-radius: 20px;
            border-bottom-right-radius: 20px;
        }
        table.table  tbody td {
            padding: 10px 20px;
        }
      
        .cardBtn{  color:#fff; color:#fff; font-size:24px; border-radius:30px; text-decoration:none;
            background:#1f75ff; padding:10px 40px; font-weight:bold;
        }
</style>

";

$header = '';
$footer = '';

$mpdf->WriteHTML($stylesheet, 1);
$mpdf->SetHTMLHeader($header, '', true);
$mpdf->SetHTMLFooter($footer);

$mpdf->WriteHTML($html,2);
body background image not working'

Assistant

The provided code snippet generates an invoice using the `mPDF` library, which includes dynamically inserted client and invoice details. Below is a concise breakdown of the process and key aspects to consider for improvements or troubleshooting:

### Code Overview

1. **HTML Content Building**:
– The invoice is constructed using HTML concatenation (`$html .= …`).
– Placeholders (e.g., `##Company_Name##`) are replaced using `str_replace` for dynamic content substitution.
– Iterates over `$invoices` to include each item's details dynamically.

2. **Dynamic Values**:
– `clientDetails` object is used for client-specific information.
– `$invoices` array provides the service-specific data (e.g., project name, order ID, prices).

3. **Styling**:
– Inline CSS and a separate `$stylesheet` variable are used to style the invoice.
– The `background:url(/img/invoice_bg.jpg)` is used for a background image.

4. **mPDF Configuration**:
– `SetDisplayMode` ensures the PDF is displayed in full-page mode.
– `SetHTMLHeader` and `SetHTMLFooter` manage headers and footers.

### Key Notes

– **Optimization**:
– Concatenation (`$html .= …`) can be error-prone and hard to maintain. Consider using a templating engine like Blade or Twig for better structure and readability.
– Inline CSS can be externalized for reuse and better maintainability.

– **Dynamic Content**:
– Ensure `clientDetails` and `$invoices` are properly validated to prevent errors from null or missing values.

– **VAT Calculation**:
– The script assumes a fixed 19% VAT rate. If rates vary, consider making it configurable.

– **Styling Adjustments**:
– Ensure responsive design for mobile-friendly PDFs if needed.
– Border-radius and padding styles in the table may require tweaking for consistency.

### Improvements

1. **Templating**:
Use a templating engine or library to separate logic from presentation. Example:

$html = view('invoice_template', compact('clientDetails', 'invoices', 'clientno', 'fullname'))->render();

2. **Error Handling**:
Validate `$clientDetails`, `$invoices`, and placeholders to ensure data integrity. Example:

if (empty($clientDetails->first_name) || empty($invoices)) {
       throw new Exception('Required data is missing.');
   }

3. **Dynamic Paths**:
Replace hardcoded paths like `/img/invoice_bg.jpg` and `/img/feedback-logo.png` with Laravel's asset helper:

<img src="{{ asset('img/feedback-logo.png') }}" alt="Feedback Logo" />

4. **Localization**:
Consider making text and labels translatable to support multiple languages.

5. **Security**:
Sanitize and escape all dynamic data to avoid potential vulnerabilities (e.g., HTML injection).

6. **Modular CSS**:
Use separate CSS files and include them via `$mpdf->WriteHTML`.

Would you like to focus on any specific part or implement a templating approach?

User

apply backgounrd image in pdf body

Assistant

To apply a background image in the body of a PDF generated using mPDF, you can utilize the `SetDefaultBodyCSS` method or inline CSS within the HTML content. Here's how you can include a background image in the body:

### Example Implementation:

$mpdf = app('mpdf');

// Set background image using CSS
$stylesheet = "
<style>
    body {
        background: url('/img/invoice_bg.jpg') no-repeat center center;
        background-size: cover;
        width: 100%;
        height: 100%;
    }
    .table_invoice {
        width: 1080px;
        margin: 100px auto;
        font-family: Arial, sans-serif;
        font-size: 20px;
        line-height: 28px;
        color: #090607;
    }
    /* Add your other styles here */
</style>";

$html = "<html>
<body>
    <div class='table_invoice'>
        <!-- Invoice content goes here -->
        <h1>Invoice</h1>
        <p>Thank you for your purchase!</p>
        <!-- Add your table or other content here -->
    </div>
</body>
</html>";

// Apply the CSS and content to the PDF
$mpdf->WriteHTML($stylesheet, 1);
$mpdf->WriteHTML($html, 2);

// Output the PDF
$mpdf->Output('invoice.pdf', 'I');

### Key Points:
1. **Background Image Path**:
– Ensure the image path (`/img/invoice_bg.jpg`) is correct and accessible. If the image is in a public directory, use an absolute URL like `https://example.com/img/invoice_bg.jpg`.

2. **CSS Rules**:
– Use `background-size: cover;` to ensure the background image covers the entire page.
– `background-repeat: no-repeat;` prevents the image from repeating.

3. **mPDF Settings**:
– Make sure mPDF has the necessary permissions to access the background image.
– If the image is not loading, ensure the server allows mPDF to fetch external resources (like public URLs).

### Alternative: Using mPDF's Built-in Watermark Feature
If you want the background image to span all pages of the PDF, use the `SetWatermarkImage` method:

$mpdf->SetWatermarkImage('/img/invoice_bg.jpg', 0.5, '', [210, 297]); // A4 dimensions
$mpdf->showWatermarkImage = true;

This approach ensures the background image is applied consistently across all pages. Adjust the transparency and scaling as needed.

Invoice HTML Generation Guide

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