feat: better PDF
This commit is contained in:
88
report/invoice/assets/ch-cross.svg
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88
report/invoice/assets/ch-cross.svg
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@@ -0,0 +1,88 @@
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</svg>
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After Width: | Height: | Size: 3.0 KiB |
71
report/invoice/assets/scissors.svg
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71
report/invoice/assets/scissors.svg
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@@ -0,0 +1,71 @@
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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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|
After Width: | Height: | Size: 2.0 KiB |
111
report/invoice/assets/style.css
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111
report/invoice/assets/style.css
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@@ -0,0 +1,111 @@
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.c6ee15365-8f47-4dab-8bee-2a56a7916c57 {
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position: absolute;
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bottom: 0;
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left: 0;
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width: 100%;
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display: grid;
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grid-template-columns: 240px 1px 1fr;
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grid-template-rows: 1px 1fr;
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.separator-h {
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grid-row: 1;
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grid-column: 1 / span 3;
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border-top: 1px solid black;
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svg {
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transform: rotate(-90deg);
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margin-top: -52px;
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.separator-v {
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grid-row: 2;
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grid-column: 2;
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border-right: 1px solid black;
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svg {
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margin-left: -32px;
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}
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}
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.receiver {
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grid-row: 2;
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grid-column: 1;
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font-size: 12pt;
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padding: 1em;
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h2 {
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margin: 0;
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margin-bottom: 0.5em;
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}
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h4 {
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margin-bottom: 0.1em;
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}
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}
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.payer {
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grid-row: 2;
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grid-column: 3;
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display: grid;
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grid-template-columns: 250px 1fr;
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grid-template-rows: 2em 1fr;
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padding: 1em;
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gap: 1em;
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width: 100%;
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h2 {
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grid-row: 1;
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grid-column: 1 / 2;
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margin: 0;
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}
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h4 {
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margin-bottom: 0.1em;
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}
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.qr-code {
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grid-row: 2;
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grid-column: 1;
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display: flex;
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flex-direction: column;
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justify-content: space-between;
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.qr-section-img {
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position: relative;
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width: 100%;
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img {
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width: 100%;
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}
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svg {
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position: absolute;
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top: 50%;
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left: 50%;
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transform: translate(-50%, -50%);
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z-index: 1;
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width: 40px;
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}
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}
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.qr-section-info {
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display: grid;
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grid-template-columns: 1fr 1fr;
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grid-template-rows: 1fr 1fr;
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justify-items: center;
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p,
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h4 {
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margin: 0;
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}
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}
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}
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.payment-details {
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grid-row: 2;
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grid-column: 2;
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font-size: 0.9rem;
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line-height: 1.4;
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}
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}
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}
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70
report/invoice/assets/template.html
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70
report/invoice/assets/template.html
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@@ -0,0 +1,70 @@
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<article class="c6ee15365-8f47-4dab-8bee-2a56a7916c57">
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<div class="separator-h">{{ .Scissors }}</div>
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<div class="receiver">
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<div class="payment-details">
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<div>
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<h2>Empfangsschein</h2>
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<h4 style="margin-top: 0">Konto / Zahlbar an</h4>
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<p>
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{{ .ReceiverIBAN }} <br />
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{{ .ReceiverName }} <br />
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{{ .ReceiverStreet}} {{.ReceiverNumber}} <br />
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{{ .ReceiverZIPCode }} {{ .ReceiverPlace }}
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</p>
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</div>
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<div>
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<h4>Referenz</h4>
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<p>{{ .Reference }}</p>
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</div>
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<div>
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<h4>Zahlbar durch</h4>
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<p>
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{{ .PayeeName }} <br />
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{{ .PayeeStreet}} {{.PayeeNumber}} <br />
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{{ .PayeeZIPCode }} {{ .PayeePlace }}
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</p>
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</div>
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</div>
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</div>
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<div class="separator-v">{{ .Scissors }}</div>
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<div class="payer">
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<h2>Zahlteil</h2>
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<div class="qr-code">
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<!-- Replace with your QR code image or generated SVG -->
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<div class="qr-section-img">
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<image src="{{ .GetQR }}"></image>
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{{ .Cross }}
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</div>
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<div class="qr-section-info">
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<h4>Währung</h4>
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<h4>Betrag</h4>
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<p>CHF</p>
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<p>{{ .Amount }}</p>
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</div>
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</div>
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<div class="payment-details">
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<div>
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<h4 style="margin-top: 0">Konto / Zahlbar an</h4>
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<p>
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{{ .ReceiverIBAN }} <br />
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{{ .ReceiverName }} <br />
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{{ .ReceiverStreet}} {{.ReceiverNumber}} <br />
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{{ .ReceiverZIPCode }} {{ .ReceiverPlace }}
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</p>
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</div>
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<div>
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<h4>Referenz</h4>
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<p>{{ .Reference }}</p>
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</div>
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<div>
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<h4>Zahlbar durch</h4>
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<p>
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{{ .PayeeName }} <br />
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{{ .PayeeStreet}} {{.PayeeNumber}} <br />
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{{ .PayeeZIPCode }} {{ .PayeePlace }}
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</p>
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</div>
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</div>
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</div>
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</article>
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42
report/invoice/html.go
Normal file
42
report/invoice/html.go
Normal file
@@ -0,0 +1,42 @@
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package invoice
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import (
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"bytes"
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"html/template"
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_ "embed"
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)
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//go:embed assets/ch-cross.svg
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var chCross template.HTML
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//go:embed assets/scissors.svg
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var scissors template.HTML
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//go:embed assets/template.html
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var htmlTemplate string
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//go:embed assets/style.css
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var style template.CSS
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type tmpler struct {
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Invoice
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Cross template.HTML
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Scissors template.HTML
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}
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func (i Invoice) CSS() template.CSS {
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return style
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}
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func (i Invoice) HTML() (html template.HTML, err error) {
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tmpl := template.Must(template.New("invoice").Parse(htmlTemplate))
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data := tmpler{i, chCross, scissors}
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buf := new(bytes.Buffer)
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||||
err = tmpl.Execute(buf, data)
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||||
html = template.HTML(buf.String())
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||||
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return
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||||
}
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||||
144
report/invoice/invoice.go
Normal file
144
report/invoice/invoice.go
Normal file
@@ -0,0 +1,144 @@
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package invoice
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||||
import (
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||||
"bytes"
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||||
"encoding/base64"
|
||||
"fmt"
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||||
"html/template"
|
||||
"strings"
|
||||
|
||||
"git.schreifuchs.ch/lou-taylor/accounting/model"
|
||||
"github.com/skip2/go-qrcode"
|
||||
)
|
||||
|
||||
// Invoice contains all necessary information for the generation of an invoice.
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||||
type Invoice struct {
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||||
ReceiverIBAN string `yaml:"receiver_iban" default:"CH44 3199 9123 0008 8901 2"`
|
||||
IsQrIBAN bool `yaml:"is_qr_iban" default:"true"`
|
||||
ReceiverName string `yaml:"receiver_name" default:"Robert Schneider AG"`
|
||||
ReceiverStreet string `yaml:"receiver_street" default:"Rue du Lac"`
|
||||
ReceiverNumber string `yaml:"receiver_number" default:"12"`
|
||||
ReceiverZIPCode string `yaml:"receiver_zip_code" default:"2501"`
|
||||
ReceiverPlace string `yaml:"receiver_place" default:"Biel"`
|
||||
ReceiverCountry string `yaml:"receiver_country" default:"CH"`
|
||||
PayeeName string `yaml:"payee_name" default:"Pia-Maria Rutschmann-Schnyder"`
|
||||
PayeeStreet string `yaml:"payee_street" default:"Grosse Marktgasse"`
|
||||
PayeeNumber string `yaml:"payee_number" default:"28"`
|
||||
PayeeZIPCode string `yaml:"payee_zip_code" default:"9400"`
|
||||
PayeePlace string `yaml:"payee_place" default:"Rorschach"`
|
||||
PayeeCountry string `yaml:"payee_country" default:"CH"`
|
||||
Reference string `yaml:"reference" default:"21 00000 00003 13947 14300 09017"`
|
||||
AdditionalInfo string `yaml:"additional_info" default:"Rechnung Nr. 3139 für Gartenarbeiten"`
|
||||
Amount string `yaml:"amount" default:"3 949.75"`
|
||||
Currency string `yaml:"currency" default:"CHF"`
|
||||
}
|
||||
|
||||
func New(amount string, receiver model.Entity, payee *model.Entity) Invoice {
|
||||
i := Invoice{
|
||||
ReceiverIBAN: receiver.IBAN,
|
||||
IsQrIBAN: false,
|
||||
ReceiverName: receiver.Name,
|
||||
ReceiverStreet: receiver.Address.Street,
|
||||
ReceiverNumber: receiver.Address.Number,
|
||||
ReceiverZIPCode: receiver.Address.ZIPCode,
|
||||
ReceiverPlace: receiver.Address.Place,
|
||||
ReceiverCountry: receiver.Address.Country,
|
||||
Reference: generateReference(),
|
||||
Amount: amount,
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||||
Currency: "CHF",
|
||||
}
|
||||
if payee != nil {
|
||||
i.PayeeName = payee.Name
|
||||
i.PayeeStreet = payee.Address.Street
|
||||
i.PayeeNumber = payee.Address.Number
|
||||
i.PayeeZIPCode = payee.Address.ZIPCode
|
||||
i.PayeePlace = payee.Address.Place
|
||||
i.PayeeCountry = payee.Address.Country
|
||||
}
|
||||
return i
|
||||
}
|
||||
|
||||
func (i Invoice) GetQR() (src template.URL, err error) {
|
||||
content, err := i.qrContent()
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
qr, err := qrcode.New(content, qrcode.Medium)
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
qr.DisableBorder = true
|
||||
png, err := qr.PNG(512)
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
b64 := base64.StdEncoding.EncodeToString(png)
|
||||
src = template.URL(fmt.Sprintf(`data:image/png;base64,%s`, b64))
|
||||
return
|
||||
}
|
||||
|
||||
// noPayee returns true if no fields of the payee are set
|
||||
func (i Invoice) noPayee() bool {
|
||||
return i.PayeeName == "" && i.PayeeStreet == "" && i.PayeeZIPCode == "" && i.PayeePlace == ""
|
||||
}
|
||||
|
||||
func (i Invoice) qrContent() (string, error) {
|
||||
qrTpl := `SPC\r
|
||||
0200\r
|
||||
1\r
|
||||
{{ .iban }}\r
|
||||
S\r
|
||||
{{ .inv.ReceiverName }}\r
|
||||
{{ .inv.ReceiverStreet }}\r
|
||||
{{ .inv.ReceiverNumber }}\r
|
||||
{{ .inv.ReceiverZIPCode }}\r
|
||||
{{ .inv.ReceiverPlace }}\r
|
||||
{{ .inv.ReceiverCountry }}\r
|
||||
\r
|
||||
\r
|
||||
\r
|
||||
\r
|
||||
\r
|
||||
\r
|
||||
\r
|
||||
{{ .amount }}\r
|
||||
{{ .inv.Currency }}\r
|
||||
{{ .payeeAdrType }}\r
|
||||
{{ .inv.PayeeName }}\r
|
||||
{{ .inv.PayeeStreet }}\r
|
||||
{{ .inv.PayeeNumber }}\r
|
||||
{{ .inv.PayeeZIPCode }}\r
|
||||
{{ .inv.PayeePlace }}\r
|
||||
{{ .inv.PayeeCountry }}\r
|
||||
{{ .refType }}\r
|
||||
{{ .reference }}\r
|
||||
{{ .inv.AdditionalInfo }}\r
|
||||
EPD
|
||||
`
|
||||
refType := "QRR"
|
||||
if !i.IsQrIBAN {
|
||||
refType = "SCOR"
|
||||
}
|
||||
payeeAdrType := "S"
|
||||
if i.noPayee() {
|
||||
payeeAdrType = ""
|
||||
}
|
||||
data := map[string]any{
|
||||
"inv": i,
|
||||
"iban": strings.ReplaceAll(i.ReceiverIBAN, " ", ""),
|
||||
"amount": strings.ReplaceAll(i.Amount, " ", ""),
|
||||
"payeeAdrType": payeeAdrType,
|
||||
"reference": strings.ReplaceAll(i.Reference, " ", ""),
|
||||
"refType": refType,
|
||||
}
|
||||
tpl, err := template.New("qr-content").Parse(qrTpl)
|
||||
if err != nil {
|
||||
return "", fmt.Errorf("error while creating qr template: %s", err)
|
||||
}
|
||||
var buf bytes.Buffer
|
||||
if err := tpl.Execute(&buf, data); err != nil {
|
||||
return "", fmt.Errorf("error while applying data to qr template: %s", err)
|
||||
}
|
||||
rsl := strings.ReplaceAll(buf.String(), "\\r", "\r")
|
||||
return rsl, nil
|
||||
}
|
||||
68
report/invoice/reference.go
Normal file
68
report/invoice/reference.go
Normal file
@@ -0,0 +1,68 @@
|
||||
package invoice
|
||||
|
||||
import (
|
||||
"crypto/rand"
|
||||
"fmt"
|
||||
"time"
|
||||
)
|
||||
|
||||
func generateReference() string {
|
||||
// 1) Build the 26-digit payload from time + random suffix
|
||||
now := time.Now().UTC()
|
||||
ts := now.Format("20060102150405") // YYYYMMDDHHMMSS -> 14 chars
|
||||
ns := now.Nanosecond() // 0..999999999
|
||||
// format nanoseconds as 9 digits, zero padded
|
||||
nsStr := fmt.Sprintf("%09d", ns)
|
||||
|
||||
// 3-digit random suffix (000..999) to reach 26 digits
|
||||
randBytes := make([]byte, 2) // we'll read 2 bytes and map to 0..999
|
||||
rand.Read(randBytes)
|
||||
|
||||
// convert to number 0..65535 then mod 1000
|
||||
rnum := int(randBytes[0])<<8 | int(randBytes[1])
|
||||
rnum = rnum % 1000
|
||||
randStr := fmt.Sprintf("%03d", rnum)
|
||||
|
||||
// compose 26-digit payload: 14 + 9 + 3 = 26
|
||||
payload := ts + nsStr + randStr
|
||||
|
||||
// Safety: ensure payload is 26 digits (should always be true)
|
||||
if len(payload) != 26 {
|
||||
panic(fmt.Errorf("internal error: payload length %d != 26", len(payload)))
|
||||
}
|
||||
|
||||
// 2) Compute Modulo-10 recursive check digit
|
||||
check := mod10RecursiveChecksum(payload)
|
||||
|
||||
// 3) Build full 27-digit reference
|
||||
full := payload + fmt.Sprintf("%d", check)
|
||||
|
||||
// 4) Format with grouping: 2-5-5-5-5-5
|
||||
formatted := fmt.Sprintf("%s %s %s %s %s %s",
|
||||
full[0:2],
|
||||
full[2:7],
|
||||
full[7:12],
|
||||
full[12:17],
|
||||
full[17:22],
|
||||
full[22:27],
|
||||
)
|
||||
return formatted
|
||||
}
|
||||
|
||||
// mod10RecursiveChecksum computes the Mod10 recursive check digit for a numeric string.
|
||||
// Implements the table-based recursive mod10 described in Swiss Annex B / ISR implementations.
|
||||
func mod10RecursiveChecksum(digits string) int {
|
||||
// table as used in ISR/QR implementations
|
||||
arrTable := [10]int{0, 9, 4, 6, 8, 2, 7, 1, 3, 5}
|
||||
carry := 0
|
||||
for i := 0; i < len(digits); i++ {
|
||||
ch := digits[i]
|
||||
// assume digits are ASCII '0'..'9'
|
||||
n := int(ch - '0')
|
||||
// update carry
|
||||
idx := (carry + n) % 10
|
||||
carry = arrTable[idx]
|
||||
}
|
||||
// final check digit
|
||||
return (10 - carry) % 10
|
||||
}
|
||||
Reference in New Issue
Block a user