feat(invoice): add send route

2025-08-26 20:30:48 +02:00
parent 958979c62b
commit 788571162d
35 changed files with 451 additions and 193 deletions
--- a/pkg/invoice/invoice.go
+++ b/pkg/invoice/invoice.go
@@ -0,0 +1,65 @@
+package invoice
+
+import (
+	"io"
+	"time"
+
+	"code.gitea.io/sdk/gitea"
+	"git.schreifuchs.ch/lou-taylor/accounting/pkg/invoice/issue"
+	"git.schreifuchs.ch/lou-taylor/accounting/pkg/invoice/model"
+	"git.schreifuchs.ch/lou-taylor/accounting/pkg/invoice/report"
+)
+
+func (s *Service) Generate(creditor, deptor model.Entity, mindur time.Duration, rate float64, repos []Repo) (document io.ReadCloser, err error) {
+	var is []*gitea.Issue
+	for _, repo := range repos {
+		iss, _, err := s.gitea.ListRepoIssues(
+			repo.Owner,
+			repo.Repo,
+			gitea.ListIssueOption{
+				ListOptions: gitea.ListOptions{Page: 0, PageSize: 99999},
+				Since:       time.Now().AddDate(0, -1, 0),
+				Before:      time.Now(),
+				State:       gitea.StateClosed,
+			},
+		)
+		if err != nil {
+			return nil, err
+		}
+
+		is = append(is, iss...)
+	}
+
+	is = filter(
+		is,
+		func(i *gitea.Issue) bool {
+			return i.Closed != nil && i.Closed.After(time.Now().AddDate(0, -1, 0))
+		},
+	)
+	issues := issue.FromGiteas(is, mindur)
+	r := report.New(
+		issues,
+		creditor,
+		deptor,
+		rate,
+	)
+	html, err := r.ToHTML()
+	if err != nil {
+		return
+	}
+
+	document, err = s.pdf.HtmlToPdf(html)
+	return
+}
+
+func filter[T any](slice []T, ok func(T) bool) []T {
+	out := make([]T, 0, len(slice))
+
+	for _, item := range slice {
+		if ok(item) {
+			out = append(out, item)
+		}
+	}
+
+	return out
+}
--- a/pkg/invoice/issue/issue.go
+++ b/pkg/invoice/issue/issue.go
@@ -0,0 +1,76 @@
+package issue
+
+import (
+	"fmt"
+	"os"
+	"regexp"
+	"strings"
+	"time"
+
+	"code.gitea.io/sdk/gitea"
+	"github.com/jedib0t/go-pretty/v6/table"
+)
+
+func FromGiteas(is []*gitea.Issue, mindur time.Duration) []Issue {
+	issues := make([]Issue, 0, len(is))
+
+	for _, i := range is {
+		if i == nil {
+			continue
+		}
+		issue := FromGitea(*i)
+
+		if issue.Duration < mindur {
+			continue
+		}
+
+		issues = append(issues, issue)
+	}
+	return issues
+}
+
+func FromGitea(i gitea.Issue) Issue {
+	issue := Issue{Issue: i}
+
+	issue.Duration, _ = ExtractDuration(i.Body)
+
+	return issue
+}
+
+func ExtractDuration(text string) (duration time.Duration, err error) {
+	// First capture only the content inside ```info ... ```
+	reBlock := regexp.MustCompile("(?s)```info(.*?)```")
+	block := reBlock.FindStringSubmatch(text)
+	if len(block) < 2 {
+		err = fmt.Errorf("no info block found")
+		return
+	}
+
+	// Now extract the duration line from inside that block
+	reDuration := regexp.MustCompile(`duration:\s*([0-9hmin\s]+)`)
+	match := reDuration.FindStringSubmatch(block[1])
+	if len(match) < 2 {
+		err = fmt.Errorf("no duration found inside info block")
+		return
+	}
+	dur := strings.TrimSpace(match[1])
+	dur = strings.ReplaceAll(dur, "min", "m")
+	dur = strings.ReplaceAll(dur, " ", "") // remove spaces
+
+	return time.ParseDuration(dur)
+}
+
+func Print(issues []Issue) {
+	t := table.NewWriter()
+	t.SetOutputMirror(os.Stdout)
+	t.AppendHeader(table.Row{"#", "Title", "Body", "Duration", "Finished by"})
+
+	for i, iss := range issues {
+		if i != 0 {
+			t.AppendSeparator()
+		}
+		t.AppendRow(table.Row{iss.Index, iss.Title, iss.Body, iss.Duration, iss.Closed})
+	}
+
+	t.Render()
+}
--- a/pkg/invoice/issue/resource.go
+++ b/pkg/invoice/issue/resource.go
@@ -0,0 +1,35 @@
+package issue
+
+import (
+	"fmt"
+	"regexp"
+	"strings"
+	"time"
+
+	"code.gitea.io/sdk/gitea"
+)
+
+type Issue struct {
+	gitea.Issue
+	Duration time.Duration
+}
+
+func (i Issue) Shorthand() string {
+	str := i.Repository.Name
+	if strings.Contains(str, "-") {
+		s := strings.Split(str, "-")
+		str = s[len(s)-1]
+	} else if len(str) > 3 {
+		str = str[:3]
+	}
+	return fmt.Sprintf("%s-%d", strings.ToUpper(str), i.Index)
+}
+
+func (i Issue) CleanBody() string {
+	reBlock := regexp.MustCompile("(?s)```info(.*?)```(.*)")
+	block := reBlock.FindStringSubmatch(i.Body)
+	if len(block) < 3 {
+		return i.Body
+	}
+	return strings.TrimSpace(block[2])
+}
--- a/pkg/invoice/model/model.go
+++ b/pkg/invoice/model/model.go
@@ -0,0 +1,15 @@
+package model
+
+type Entity struct {
+	Name    string  `json:"name"`
+	Address Address `json:"Address"`
+	Contact string  `json:"contact"`
+	IBAN    string  `json:"iban,omitempty"`
+}
+type Address struct {
+	Street  string `json:"street"`
+	Number  string `json:"number"`
+	ZIPCode string `json:"zipCode"`
+	Place   string `json:"place"`
+	Country string `json:"country"`
+}
--- a/pkg/invoice/report/assets/style.css
+++ b/pkg/invoice/report/assets/style.css
@@ -0,0 +1,86 @@
+@page {
+  size: A4;
+  padding: 2cm;
+}
+@page:first {
+  padding: 0;
+}
+@media print {
+  .page,
+  .page-break {
+    break-after: page;
+  }
+}
+
+.first-page {
+  margin-left: 2cm;
+  margin-right: 2cm;
+}
+
+body {
+  font-family: sans-serif;
+  font-size: 12pt;
+  color: #333;
+}
+
+section {
+  margin-bottom: 3em;
+}
+p {
+  margin-top: 0.25em;
+  margin-bottom: 0.5em;
+}
+
+header {
+  display: flex;
+  justify-content: space-between;
+  margin-bottom: 40px;
+
+  h2 {
+    margin-top: 0;
+  }
+}
+h1 {
+  margin: 0;
+  font-size: 2em;
+}
+h2 {
+  margin-top: 0.5em;
+}
+
+table {
+  width: 100%;
+  border-collapse: collapse;
+  margin-bottom: 20px;
+}
+table,
+th,
+td {
+  border: 1px solid #ccc;
+}
+th,
+td {
+  padding: 0.25em 0.5em;
+  text-align: left;
+}
+th {
+  background-color: #f2f2f2;
+}
+
+article {
+  margin-bottom: 20px;
+}
+
+.issue-title {
+  display: flex;
+  justify-content: space-between;
+  align-items: end;
+
+  margin-top: 2em;
+  margin-bottom: 0.5em;
+
+  h3,
+  p {
+    margin: 0;
+  }
+}
--- a/pkg/invoice/report/assets/template.html
+++ b/pkg/invoice/report/assets/template.html
@@ -0,0 +1,95 @@
+<!doctype html>
+<html lang="de">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <title>Rechnung vom {{ .Date | date }}</title>
+    <!-- <link href="css/style.css" rel="stylesheet" /> -->
+    <style>
+      {{ .Style }}
+    </style>
+    <style>
+
+      {{.Invoice.CSS}}
+    </style>
+  </head>
+  <body>
+    <header class="first-page" style="margin-top: 2cm">
+      <div class="company">
+        <h2>{{ .Company.Name }}</h2>
+        <p>
+          {{ .Company.Address.Street}} {{.Company.Address.Number}} <br />
+          {{ .Company.Address.ZIPCode }} {{ .Company.Address.Place }} <br />
+          {{ .Company.Contact }}
+        </p>
+
+        <p></p>
+      </div>
+      <div class="invoice-info">
+        <p>
+          <strong>Rechnung:</strong> {{ .Invoice.Reference }} <br />
+          <strong>Datum:</strong> {{ .Date | date }} <br />
+        </p>
+      </div>
+    </header>
+    <section class="client first-page">
+      <h2>Rechnung an:</h2>
+      <p>
+        {{ .Client.Name }} <br />
+        {{ .Client.Address.Street}} {{.Client.Address.Number}} <br />
+        {{ .Client.Address.ZIPCode }} {{ .Client.Address.Place }} <br />
+        {{ .Client.Contact }}
+      </p>
+    </section>
+
+    <section class="page p1 first-page">
+      <article>
+        <table>
+          <thead>
+            <tr>
+              <th style="min-width: 3.5em">FID</th>
+              <th>Name</th>
+              <th>Aufwand</th>
+              <th style="min-width: 5.5em">Preis</th>
+            </tr>
+          </thead>
+          <tbody>
+            {{ range .Issues }}
+            <tr>
+              <td style="font-family: monospace">{{ .Shorthand }}</td>
+              <td>{{ .Title }}</td>
+              <td>{{ .Duration | duration }}</td>
+              <td>{{ .Duration | price }} CHF</td>
+            </tr>
+            {{ end }}
+          </tbody>
+          <tfoot>
+            <tr>
+              <th colspan="2" style="text-align: right">Summe:</th>
+
+              <td>{{ .Total | duration }}</td>
+              <td>{{ .Total | price}}</td>
+            </tr>
+          </tfoot>
+        </table>
+      </article>
+      {{ .Invoice.HTML }}
+    </section>
+    <section>
+      <h2 style="margin-top: 0">Details zu den Features</h2>
+
+      {{ range .Issues }}
+      <article>
+        <div class="issue-title">
+          <h3>
+            <span style="font-family: monospace">{{ .Shorthand }}</span>: {{
+            .Title }}
+          </h3>
+          <p>Fertiggestellt: {{ .Closed | time }}</p>
+        </div>
+        {{ .CleanBody | md | oh 3 }}
+      </article>
+      {{ end }}
+    </section>
+  </body>
+</html>
--- a/pkg/invoice/report/html.go
+++ b/pkg/invoice/report/html.go
@@ -0,0 +1,43 @@
+package report
+
+import (
+	"fmt"
+	"html/template"
+	"regexp"
+	"strconv"
+)
+
+// OffsetHTags offsets all <h1>-<h6> tags in the HTML by the given amount.
+// If the resulting heading level exceeds 6, it is capped at 6.
+func offsetHTags(amount int, html template.HTML) template.HTML {
+	// Regular expression to match opening and closing h tags, e.g., <h1> or </h2>
+	re := regexp.MustCompile(`(?i)<(/?)h([1-6])(\s[^>]*)?>`)
+
+	// Replace all matches
+	result := re.ReplaceAllStringFunc(string(html), func(tag string) string {
+		matches := re.FindStringSubmatch(tag)
+		if len(matches) < 4 {
+			return tag
+		}
+
+		closingSlash := matches[1] // "/" if closing tag
+		levelStr := matches[2]     // heading level
+		attrs := matches[3]        // attributes like ' class="foo"'
+
+		level, err := strconv.Atoi(levelStr)
+		if err != nil {
+			return tag
+		}
+
+		newLevel := level + amount
+		if newLevel < 1 {
+			newLevel = 1
+		} else if newLevel > 6 {
+			newLevel = 6
+		}
+
+		return fmt.Sprintf("<%sh%d%s>", closingSlash, newLevel, attrs)
+	})
+
+	return template.HTML(result)
+}
--- a/pkg/invoice/report/html_test.go
+++ b/pkg/invoice/report/html_test.go
@@ -0,0 +1,79 @@
+package report
+
+import (
+	"html/template"
+	"testing"
+)
+
+func TestOffsetHTags(t *testing.T) {
+	tests := []struct {
+		name     string
+		html     string
+		amount   int
+		expected string
+	}{
+		{
+			name:     "simple offset",
+			html:     `<h1>Main</h1><h2>Sub</h2>`,
+			amount:   2,
+			expected: `<h3>Main</h3><h4>Sub</h4>`,
+		},
+		{
+			name:     "offset beyond h6",
+			html:     `<h5>Almost max</h5><h6>Max</h6>`,
+			amount:   3,
+			expected: `<h6>Almost max</h6><h6>Max</h6>`,
+		},
+		{
+			name:     "negative offset",
+			html:     `<h2>Heading</h2><h3>Subheading</h3>`,
+			amount:   -2,
+			expected: `<h1>Heading</h1><h1>Subheading</h1>`,
+		},
+		{
+			name:     "no h tags",
+			html:     `<p>Paragraph</p>`,
+			amount:   2,
+			expected: `<p>Paragraph</p>`,
+		},
+		{
+			name:     "mixed content",
+			html:     `<h1>Title</h1><div><h2>Inner</h2></div>`,
+			amount:   1,
+			expected: `<h2>Title</h2><div><h3>Inner</h3></div>`,
+		},
+		{
+			name: "real one",
+			html: `<p>Hello</p>
+
+<pre><code class="language-info">duration: 1h 43min
+</code></pre>
+
+<h1 id="adökfjaösldkjflaa">adökfjaösldkjflaa</h1>
+
+<h2 id="asdfads">ASDFADS</h2>
+
+<h3 id="adllglggl">adllglggl</h3>`,
+			amount: 3,
+			expected: `<p>Hello</p>
+
+<pre><code class="language-info">duration: 1h 43min
+</code></pre>
+
+<h4 id="adökfjaösldkjflaa">adökfjaösldkjflaa</h4>
+
+<h5 id="asdfads">ASDFADS</h5>
+
+<h6 id="adllglggl">adllglggl</h6>`,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got := offsetHTags(tt.amount, template.HTML(tt.html))
+			if string(got) != tt.expected {
+				t.Errorf("OffsetHTags() = %q, want %q", got, tt.expected)
+			}
+		})
+	}
+}
--- a/pkg/invoice/report/markdown.go
+++ b/pkg/invoice/report/markdown.go
@@ -0,0 +1,49 @@
+package report
+
+import (
+	"fmt"
+	"html/template"
+	"regexp"
+	"strings"
+
+	"github.com/gomarkdown/markdown"
+	"github.com/gomarkdown/markdown/html"
+	"github.com/gomarkdown/markdown/parser"
+)
+
+func mdToHTML(md string) template.HTML {
+	md = markdownCheckboxesToHTML(md)
+
+	// create markdown parser with extensions
+	extensions := parser.CommonExtensions | parser.AutoHeadingIDs | parser.NoEmptyLineBeforeBlock
+	p := parser.NewWithExtensions(extensions)
+	doc := p.Parse([]byte(md))
+
+	// create HTML renderer with extensions
+	htmlFlags := html.CommonFlags | html.HrefTargetBlank
+	opts := html.RendererOptions{Flags: htmlFlags}
+	renderer := html.NewRenderer(opts)
+
+	return template.HTML(markdown.Render(doc, renderer))
+}
+
+// markdownCheckboxesToHTML keeps a Markdown list but replaces checkboxes with <input>.
+func markdownCheckboxesToHTML(markdown string) string {
+	lines := strings.Split(markdown, "\n")
+	checkboxPattern := regexp.MustCompile(`^(\s*[-*]\s+)\[( |x|X)\][\p{Zs}\s]*(.*)$`)
+
+	for i, line := range lines {
+		if matches := checkboxPattern.FindStringSubmatch(line); matches != nil {
+			prefix := matches[1] // "- " or "* "
+			checked := strings.ToLower(matches[2]) == "x"
+			content := matches[3] // task text
+			if checked {
+				lines[i] = fmt.Sprintf(`%s<input type="checkbox" checked disabled> %s`, prefix, content)
+			} else {
+				lines[i] = fmt.Sprintf(`%s<input type="checkbox" disabled> %s`, prefix, content)
+			}
+		}
+	}
+
+	return strings.Join(lines, "\n")
+}
--- a/pkg/invoice/report/markdown_test.go
+++ b/pkg/invoice/report/markdown_test.go
@@ -0,0 +1,27 @@
+package report
+
+import (
+	"testing"
+)
+
+func TestMarkdownCheckboxesToHTML(t *testing.T) {
+	input := `
+The application must support English and German.
+
+## TODO's
+ - [x] Add multiple languages to Pages
+ - [x] Add multiple languages to Events`
+
+	expected := `
+The application must support English and German.
+
+## TODO's
+ - <input type="checkbox" checked disabled> Add multiple languages to Pages
+ - <input type="checkbox" checked disabled> Add multiple languages to Events`
+
+	output := markdownCheckboxesToHTML(input)
+
+	if output != expected {
+		t.Errorf("unexpected output:\nGot:\n%s\n\nExpected:\n%s", output, expected)
+	}
+}
--- a/pkg/invoice/report/qrbill/assets/ch-cross.svg
+++ b/pkg/invoice/report/qrbill/assets/ch-cross.svg
@@ -0,0 +1,88 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Generator: Adobe Illustrator 20.0.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   version="1.1"
+   id="Ebene_2"
+   x="0px"
+   y="0px"
+   viewBox="0 0 128 128"
+   xml:space="preserve"
+   sodipodi:docname="ch-cross.svg"
+   width="128"
+   height="128"
+   inkscape:export-filename="/home/irvin/Work/repos/swiss-qr-invoice/assets/raw/ch-cross.png"
+   inkscape:export-xdpi="232.22856"
+   inkscape:export-ydpi="232.22856"
+   inkscape:version="0.92.4 (5da689c313, 2019-01-14)"
+   style="shape-rendering:crispEdges"><metadata
+   id="metadata17"><rdf:RDF><cc:Work
+       rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+         rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title></dc:title></cc:Work></rdf:RDF></metadata><defs
+   id="defs15" /><sodipodi:namedview
+   pagecolor="#ffffff"
+   bordercolor="#666666"
+   borderopacity="1"
+   objecttolerance="10"
+   gridtolerance="10"
+   guidetolerance="10"
+   inkscape:pageopacity="0"
+   inkscape:pageshadow="2"
+   inkscape:window-width="1668"
+   inkscape:window-height="1021"
+   id="namedview13"
+   showgrid="false"
+   inkscape:document-units="px"
+   units="px"
+   inkscape:zoom="2.8284271"
+   inkscape:cx="-38.018193"
+   inkscape:cy="61.405051"
+   inkscape:window-x="0"
+   inkscape:window-y="31"
+   inkscape:window-maximized="0"
+   inkscape:current-layer="Ebene_2"><inkscape:grid
+     type="xygrid"
+     id="grid916" /></sodipodi:namedview>
+<style
+   type="text/css"
+   id="style2">
+	.st0{fill:#FFFFFF;}
+	.st1{fill:none;stroke:#FFFFFF;stroke-width:1.4357;stroke-miterlimit:10;}
+</style>
+
+
+
+<g
+   id="g4736"
+   transform="matrix(4.8380969,0,0,4.8380389,-1.9834927e-5,9.0008541e-4)"><polygon
+     transform="matrix(1.3598365,0,0,1.3598365,-0.23403522,-0.23403522)"
+     style="fill:#000000;fill-opacity:1;stroke-width:0.73538256"
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+     points="0.7,0.7 0.7,1.6 0.7,18.3 0.7,19.1 1.6,19.1 18.3,19.1 19.1,19.1 19.1,18.3 19.1,1.6 19.1,0.7 18.3,0.7 1.6,0.7 " /><rect
+     style="fill:#ffffff;fill-opacity:1;stroke-width:1"
+     id="rect6"
+     height="14.958201"
+     width="4.4874606"
+     class="st0"
+     y="5.2231627"
+     x="11.034758" /><rect
+     style="fill:#fffff9;fill-opacity:1;stroke-width:1"
+     id="rect8"
+     height="4.4874606"
+     width="14.958201"
+     class="st0"
+     y="10.526525"
+     x="5.7313952" /><polygon
+     transform="matrix(1.3598207,0,0,1.3598361,-0.2338788,-0.23403126)"
+     style="fill:none;stroke:#ffffff;stroke-width:1.05601561;stroke-miterlimit:10;stroke-dasharray:none;stroke-opacity:1"
+     id="polygon10"
+     points="1.6,0.7 0.7,0.7 0.7,1.6 0.7,18.3 0.7,19.1 1.6,19.1 18.3,19.1 19.1,19.1 19.1,18.3 19.1,1.6 19.1,0.7 18.3,0.7 "
+     class="st1" /></g>
+</svg>
--- a/pkg/invoice/report/qrbill/assets/scissors.svg
+++ b/pkg/invoice/report/qrbill/assets/scissors.svg
@@ -0,0 +1,71 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="64"
+   height="106.131"
+   viewBox="0 0 16.933333 28.080496"
+   version="1.1"
+   id="svg851"
+   inkscape:version="0.92.4 (5da689c313, 2019-01-14)"
+   sodipodi:docname="scissors.svg"
+   inkscape:export-xdpi="96"
+   inkscape:export-ydpi="96">
+  <defs
+     id="defs845" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="2.6582031"
+     inkscape:cx="-135.5963"
+     inkscape:cy="106.75833"
+     inkscape:document-units="mm"
+     inkscape:current-layer="layer1"
+     showgrid="false"
+     units="px"
+     fit-margin-top="0"
+     fit-margin-left="0"
+     fit-margin-right="0"
+     fit-margin-bottom="0"
+     inkscape:window-width="1920"
+     inkscape:window-height="1080"
+     inkscape:window-x="86"
+     inkscape:window-y="117"
+     inkscape:window-maximized="0" />
+  <metadata
+     id="metadata848">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(-52.847684,-108.31232)">
+    <text
+       y="-57.540855"
+       x="117.23324"
+       class="st2 st3"
+       id="text18"
+       style="font-size:11.17903996px;font-family:ZapfDingbatsITC;stroke-width:0.26458332"
+       transform="rotate(90)">✂</text>
+  </g>
+</svg>
--- a/pkg/invoice/report/qrbill/assets/style.css
+++ b/pkg/invoice/report/qrbill/assets/style.css
@@ -0,0 +1,111 @@
+.c6ee15365-8f47-4dab-8bee-2a56a7916c57 {
+  position: absolute;
+  bottom: 0;
+  left: 0;
+  width: 100%;
+  display: grid;
+  grid-template-columns: 240px 1px 1fr;
+  grid-template-rows: 1px 1fr;
+
+  .separator-h {
+    grid-row: 1;
+    grid-column: 1 / span 3;
+
+    border-top: 1px solid black;
+    svg {
+      transform: rotate(-90deg);
+      margin-top: -52px;
+    }
+  }
+
+  .separator-v {
+    grid-row: 2;
+    grid-column: 2;
+
+    border-right: 1px solid black;
+    svg {
+      margin-left: -32px;
+    }
+  }
+
+  .receiver {
+    grid-row: 2;
+    grid-column: 1;
+
+    font-size: 12pt;
+    padding: 1em;
+
+    h2 {
+      margin: 0;
+      margin-bottom: 0.5em;
+    }
+    h4 {
+      margin-bottom: 0.1em;
+    }
+  }
+
+  .payer {
+    grid-row: 2;
+    grid-column: 3;
+    display: grid;
+    grid-template-columns: 250px 1fr;
+    grid-template-rows: 2em 1fr;
+    padding: 1em;
+    gap: 1em;
+
+    width: 100%;
+
+    h2 {
+      grid-row: 1;
+      grid-column: 1 / 2;
+      margin: 0;
+    }
+
+    h4 {
+      margin-bottom: 0.1em;
+    }
+
+    .qr-code {
+      grid-row: 2;
+      grid-column: 1;
+      display: flex;
+      flex-direction: column;
+      justify-content: space-between;
+
+      .qr-section-img {
+        position: relative;
+        width: 100%;
+        img {
+          width: 100%;
+        }
+        svg {
+          position: absolute;
+          top: 50%;
+          left: 50%;
+          transform: translate(-50%, -50%);
+          z-index: 1;
+          width: 40px;
+        }
+      }
+
+      .qr-section-info {
+        display: grid;
+        grid-template-columns: 1fr 1fr;
+        grid-template-rows: 1fr 1fr;
+        justify-items: center;
+
+        p,
+        h4 {
+          margin: 0;
+        }
+      }
+    }
+
+    .payment-details {
+      grid-row: 2;
+      grid-column: 2;
+      font-size: 0.9rem;
+      line-height: 1.4;
+    }
+  }
+}
--- a/pkg/invoice/report/qrbill/assets/template.html
+++ b/pkg/invoice/report/qrbill/assets/template.html
@@ -0,0 +1,70 @@
+<article class="c6ee15365-8f47-4dab-8bee-2a56a7916c57">
+  <div class="separator-h">{{ .Scissors }}</div>
+  <div class="receiver">
+    <div class="payment-details">
+      <div>
+        <h2>Empfangsschein</h2>
+        <h4 style="margin-top: 0">Konto / Zahlbar an</h4>
+        <p>
+          {{ .ReceiverIBAN }} <br />
+          {{ .ReceiverName }} <br />
+          {{ .ReceiverStreet}} {{.ReceiverNumber}} <br />
+          {{ .ReceiverZIPCode }} {{ .ReceiverPlace }}
+        </p>
+      </div>
+      <div>
+        <h4>Referenz</h4>
+        <p>{{ .Reference }}</p>
+      </div>
+      <div>
+        <h4>Zahlbar durch</h4>
+        <p>
+          {{ .PayeeName }} <br />
+          {{ .PayeeStreet}} {{.PayeeNumber}} <br />
+          {{ .PayeeZIPCode }} {{ .PayeePlace }}
+        </p>
+      </div>
+    </div>
+  </div>
+  <div class="separator-v">{{ .Scissors }}</div>
+  <div class="payer">
+    <h2>Zahlteil</h2>
+    <div class="qr-code">
+      <!-- Replace with your QR code image or generated SVG -->
+      <div class="qr-section-img">
+        <image src="{{ .GetQR }}"></image>
+        {{ .Cross }}
+      </div>
+
+      <div class="qr-section-info">
+        <h4>Währung</h4>
+        <h4>Betrag</h4>
+        <p>CHF</p>
+        <p>{{ .Amount }}</p>
+      </div>
+    </div>
+    <div class="payment-details">
+      <div>
+        <h4 style="margin-top: 0">Konto / Zahlbar an</h4>
+        <p>
+          {{ .ReceiverIBAN }} <br />
+          {{ .ReceiverName }} <br />
+          {{ .ReceiverStreet}} {{.ReceiverNumber}} <br />
+          {{ .ReceiverZIPCode }} {{ .ReceiverPlace }}
+        </p>
+      </div>
+      <div>
+        <h4>Referenz</h4>
+        <p>{{ .Reference }}</p>
+      </div>
+      <div>
+        <h4>Zahlbar durch</h4>
+        <p>
+          {{ .PayeeName }} <br />
+          {{ .PayeeStreet}} {{.PayeeNumber}} <br />
+          {{ .PayeeZIPCode }} {{ .PayeePlace }}
+        </p>
+      </div>
+    </div>
+  </div>
+</article>
--- a/pkg/invoice/report/qrbill/html.go
+++ b/pkg/invoice/report/qrbill/html.go
@@ -0,0 +1,42 @@
+package qrbill
+
+import (
+	"bytes"
+	"html/template"
+
+	_ "embed"
+)
+
+//go:embed assets/ch-cross.svg
+var chCross template.HTML
+
+//go:embed assets/scissors.svg
+var scissors template.HTML
+
+//go:embed assets/template.html
+var htmlTemplate string
+
+//go:embed assets/style.css
+var style template.CSS
+
+type tmpler struct {
+	Invoice
+	Cross    template.HTML
+	Scissors template.HTML
+}
+
+func (i Invoice) CSS() template.CSS {
+	return style
+}
+
+func (i Invoice) HTML() (html template.HTML, err error) {
+	tmpl := template.Must(template.New("invoice").Parse(htmlTemplate))
+
+	data := tmpler{i, chCross, scissors}
+
+	buf := new(bytes.Buffer)
+	err = tmpl.Execute(buf, data)
+	html = template.HTML(buf.String())
+
+	return
+}
--- a/pkg/invoice/report/qrbill/invoice.go
+++ b/pkg/invoice/report/qrbill/invoice.go
@@ -0,0 +1,144 @@
+package qrbill
+
+import (
+	"bytes"
+	"encoding/base64"
+	"fmt"
+	"html/template"
+	"strings"
+
+	"git.schreifuchs.ch/lou-taylor/accounting/pkg/invoice/model"
+	"github.com/skip2/go-qrcode"
+)
+
+// Invoice contains all necessary information for the generation of an invoice.
+type Invoice struct {
+	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,
+		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
+}
--- a/pkg/invoice/report/qrbill/reference.go
+++ b/pkg/invoice/report/qrbill/reference.go
@@ -0,0 +1,68 @@
+package qrbill
+
+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
+}
--- a/pkg/invoice/report/resource.go
+++ b/pkg/invoice/report/resource.go
@@ -0,0 +1,31 @@
+package report
+
+import (
+	"time"
+
+	"git.schreifuchs.ch/lou-taylor/accounting/pkg/invoice/issue"
+	"git.schreifuchs.ch/lou-taylor/accounting/pkg/invoice/model"
+	"git.schreifuchs.ch/lou-taylor/accounting/pkg/invoice/report/qrbill"
+)
+
+type Report struct {
+	Date    time.Time
+	Issues  []issue.Issue
+	Invoice qrbill.Invoice
+	Rate    float64
+	Company model.Entity
+	Client  model.Entity
+}
+
+func New(issues []issue.Issue, company, client model.Entity, rate float64) *Report {
+	r := &Report{
+		Date:    time.Now(),
+		Issues:  issues,
+		Rate:    rate,
+		Company: company,
+		Client:  client,
+	}
+	// r.Invoice = qrbill.New(r.applyRate(r.Total()), r.Company, &r.Client)
+
+	return r
+}
--- a/pkg/invoice/report/template.go
+++ b/pkg/invoice/report/template.go
@@ -0,0 +1,71 @@
+package report
+
+import (
+	"bytes"
+	_ "embed"
+	"fmt"
+	"html/template"
+	"math"
+	"time"
+)
+
+//go:embed assets/template.html
+var htmlTemplate string
+
+//go:embed assets/style.css
+var style template.CSS
+
+type tmpler struct {
+	Report
+	Style template.CSS
+}
+
+func (r Report) ToHTML() (html string, err error) {
+	tmpl := template.Must(
+		template.New("report").Funcs(template.FuncMap{
+			"md":       mdToHTML,
+			"oh":       offsetHTags,
+			"price":    r.applyRate,
+			"time":     fmtDateTime,
+			"date":     fmtDate,
+			"duration": fmtDuration,
+		}).Parse(htmlTemplate))
+
+	buf := new(bytes.Buffer)
+
+	err = tmpl.Execute(buf, tmpler{r, style})
+	if err != nil {
+		return
+	}
+
+	html = buf.String()
+	return
+}
+
+func (r Report) applyRate(dur time.Duration) string {
+	cost := dur.Hours() * r.Rate
+	cost = math.Round(cost/0.05) * 0.05
+	return fmt.Sprintf("%.2f", cost)
+}
+
+func fmtDateTime(t time.Time) string {
+	return t.Format("02.08.2006 15:04")
+}
+
+func fmtDate(t time.Time) string {
+	return t.Format("02.08.2006")
+}
+
+func fmtDuration(d time.Duration) string {
+	return fmt.Sprintf("%.2f h", d.Hours())
+}
+
+func (r Report) Total() time.Duration {
+	dur := time.Duration(0)
+
+	for _, i := range r.Issues {
+		dur += i.Duration
+	}
+
+	return dur
+}
--- a/pkg/invoice/resource.go
+++ b/pkg/invoice/resource.go
@@ -0,0 +1,34 @@
+package invoice
+
+import (
+	"io"
+	"log/slog"
+
+	"code.gitea.io/sdk/gitea"
+)
+
+type Repo struct {
+	Owner string `json:"owner"`
+	Repo  string `json:"repo"`
+}
+
+type Service struct {
+	log   *slog.Logger
+	gitea giteaClient
+	pdf   pdfGenerator
+}
+
+func New(log *slog.Logger, gitea giteaClient, pdf pdfGenerator) *Service {
+	return &Service{
+		log:   log,
+		gitea: gitea,
+		pdf:   pdf,
+	}
+}
+
+type giteaClient interface {
+	ListRepoIssues(owner, repo string, opt gitea.ListIssueOption) ([]*gitea.Issue, *gitea.Response, error)
+}
+type pdfGenerator interface {
+	HtmlToPdf(html string) (pdf io.ReadCloser, err error)
+}