github.com/m0uka/golang-pdf-invoice-generator

Go PDF Invoice Generator

This repository is a modified version of the original invoice, featuring extended functionality and support for use as a Go module.

Features

• Module Support: Easily integrate the invoice generator into your Go projects.
• Enhanced Customization: More options for customizing the appearance and content of invoices.
• Multi-language Support: Generate invoices in multiple languages.
• Flexible Currency Handling: Improved currency formatting and handling.
• Additional Payment Methods: Support for more payment methods.
• Extended Metadata: Include more detailed metadata in your invoices.
• Optimized for Performance: Improved performance and reduced dependencies.

Installation

To install the module, use:

go get github.com/m0uka/golang-pdf-invoice-generator

Import it in your Go project:

import "github.com/m0uka/golang-pdf-invoice-generator/invoicepdf"

Usage

Basic Example

Here is a basic example of how to generate an invoice:

package main

import (
    "log"
    "github.com/m0uka/golang-pdf-invoice-generator/invoicepdf"
    "os"
    "bytes"
)

func main() {
    invoice := invoicepdf.Invoice{
        Id:     "12345",
        Number: "INV-1001",
        Title:  "Invoice Title",
        LogoUrl: "http://example.com/logo.png",
        From: invoicepdf.InvoiceCompany{
            Name:         "Your Company Name",
            AddressLine1: "Your Company Address Line 1",
            AddressLine2: "Your Company Address Line 2",
            City:         "Your City",
            Country:      "Your Country",
            State:        "Your State",
            PostalCode:   "123456",
            TaxID:        "TAX123456",
            Email:        "[e-mail]",
            Website:      "https://yourcompany.com",
        },
        To: invoicepdf.InvoiceCompany{
            Name:         "Customer Name",
            AddressLine1: "Customer Address Line 1",
            AddressLine2: "Customer Address Line 2",
            City:         "Customer City",
            Country:      "Customer Country",
            State:        "Customer State",
            PostalCode:   "654321",
            TaxID:        "CUST123456",
            Email:        "[e-mail]",
            Website:      "https://customerwebsite.com",
        },
        Date:       "2024-07-11",
        Due:        "2024-07-25",
        Items:      []string{"Product 1", "Product 2"},
        Quantities: []int{2, 1},
        Rates:      []float64{50.0, 75.0},
        Tax:        10.0,
        Discount:   5.0,
        Currency:   "USD",
        Note:       "Thank you for your business.",
        HeaderNote: "Invoice Header Note",
    }

    buffer, err := invoicepdf.GenerateInvoice(&invoice)
    if err != nil {
        log.Fatalf("Could not generate invoice: %v", err)
    }

    // Save buffer to file or handle it as needed
    err = saveBufferToFile(buffer, "invoice.pdf")
    if err != nil {
        log.Fatalf("Could not save invoice: %v", err)
    }
}

func saveBufferToFile(buffer *bytes.Buffer, filename string) error {
    return os.WriteFile(filename, buffer.Bytes(), 0644)
}

Example Output

License

This project is licensed under the MIT License. See the LICENSE file for details.