forked from hswaw/hscloud
go/svc/invoice: add shitty multilanguage support
This commit is contained in:
parent
77c0162a6f
commit
a818ef2c16
7 changed files with 250 additions and 17 deletions
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@ -95,7 +95,7 @@ func newService(m *model) *service {
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}
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}
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func (s *service) invoicePDF(ctx context.Context, uid string) ([]byte, error) {
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func (s *service) invoicePDF(ctx context.Context, uid, language string) ([]byte, error) {
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sealed, err := s.m.getSealedUid(ctx, uid)
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if err != nil {
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return nil, err
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@ -115,7 +115,7 @@ func (s *service) invoicePDF(ctx context.Context, uid string) ([]byte, error) {
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return nil, err
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}
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rendered, err = renderInvoicePDF(invoice)
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rendered, err = renderInvoicePDF(invoice, language)
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if err != nil {
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return nil, err
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}
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@ -124,7 +124,7 @@ func (s *service) invoicePDF(ctx context.Context, uid string) ([]byte, error) {
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}
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func (s *service) RenderInvoice(req *pb.RenderInvoiceRequest, srv pb.Invoicer_RenderInvoiceServer) error {
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rendered, err := s.invoicePDF(srv.Context(), req.Uid)
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rendered, err := s.invoicePDF(srv.Context(), req.Uid, req.Language)
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if err != nil {
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if _, ok := status.FromError(err); ok {
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return err
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@ -150,7 +150,11 @@ func (s *service) RenderInvoice(req *pb.RenderInvoiceRequest, srv pb.Invoicer_Re
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}
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func (s *service) SealInvoice(ctx context.Context, req *pb.SealInvoiceRequest) (*pb.SealInvoiceResponse, error) {
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if err := s.m.sealInvoice(ctx, req.Uid); err != nil {
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useProformaTime := false
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if req.DateSource == pb.SealInvoiceRequest_DATE_SOURCE_PROFORMA {
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useProformaTime = true
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}
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if err := s.m.sealInvoice(ctx, req.Uid, req.Language, useProformaTime); err != nil {
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if _, ok := status.FromError(err); ok {
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return nil, err
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}
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@ -54,7 +54,7 @@ func (m *model) init() error {
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return err
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}
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func (m *model) sealInvoice(ctx context.Context, uid string) error {
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func (m *model) sealInvoice(ctx context.Context, uid, language string, useProformaTime bool) error {
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id, err := strconv.Atoi(uid)
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if err != nil {
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return status.Error(codes.InvalidArgument, "invalid uid")
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@ -81,6 +81,9 @@ func (m *model) sealInvoice(ctx context.Context, uid string) error {
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`
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sealTime := time.Now()
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if useProformaTime {
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sealTime = time.Unix(0, invoice.Date)
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}
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res, err := tx.Exec(q, id, sealTime.UnixNano())
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if err != nil {
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return err
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@ -101,11 +104,16 @@ func (m *model) sealInvoice(ctx context.Context, uid string) error {
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}
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invoice.State = pb.Invoice_STATE_SEALED
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invoice.FinalUid = fmt.Sprintf("FV/%s", finalUid)
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// TODO(q3k): this should be configurable.
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if language == "pl" {
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invoice.FinalUid = fmt.Sprintf("FV/%s", finalUid)
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} else {
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invoice.FinalUid = fmt.Sprintf("%s", finalUid)
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}
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invoice.Date = sealTime.UnixNano()
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calculateInvoiceData(invoice)
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pdfBlob, err := renderInvoicePDF(invoice)
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pdfBlob, err := renderInvoicePDF(invoice, language)
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if err != nil {
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return err
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}
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@ -142,7 +150,13 @@ func (m *model) createInvoice(ctx context.Context, id *pb.InvoiceData) (string,
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?, ?
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)
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`
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res, err := m.db.Exec(sql, data, time.Now().UnixNano())
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t := time.Now()
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if id.Date != 0 {
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t = time.Unix(0, id.Date)
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}
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res, err := m.db.Exec(sql, data, t.UnixNano())
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if err != nil {
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return "", err
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}
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@ -216,7 +230,7 @@ func (s *sqlInvoiceSealRow) Proto() (*pb.Invoice, error) {
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}
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if s.finalUid.Valid {
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p.State = pb.Invoice_STATE_SEALED
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p.FinalUid = fmt.Sprintf("FV/%s", s.finalUid.String)
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p.FinalUid = fmt.Sprintf("%s", s.finalUid.String)
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p.Date = s.sealedTime.Int64
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} else {
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p.State = pb.Invoice_STATE_PROFORMA
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@ -13,18 +13,25 @@ import (
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)
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var (
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invTmpl *template.Template
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invTmpl map[string]*template.Template
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languages = []string{"en", "pl"}
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defaultLanguage = "en"
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)
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func init() {
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a, err := templates.Asset("invoice.html")
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if err != nil {
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panic(err)
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invTmpl = make(map[string]*template.Template)
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for _, language := range languages {
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filename := fmt.Sprintf("invoice_%s.html", language)
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a, err := templates.Asset(filename)
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if err != nil {
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panic(err)
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}
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invTmpl[language] = template.Must(template.New(filename).Parse(string(a)))
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}
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invTmpl = template.Must(template.New("invoice.html").Parse(string(a)))
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}
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func renderInvoicePDF(i *pb.Invoice) ([]byte, error) {
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func renderInvoicePDF(i *pb.Invoice, language string) ([]byte, error) {
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type item struct {
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Title string
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UnitPrice string
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@ -95,8 +102,12 @@ func renderInvoicePDF(i *pb.Invoice) ([]byte, error) {
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data.Total = fmt.Sprintf(unit+"%.2f", float64(i.Total)/100)
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data.DeliveryCharge = fmt.Sprintf(unit+"%.2f", float64(0))
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if _, ok := invTmpl[language]; !ok {
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language = defaultLanguage
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}
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var b bytes.Buffer
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err := invTmpl.Execute(&b, &data)
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err := invTmpl[language].Execute(&b, &data)
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if err != nil {
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return []byte{}, err
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}
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@ -50,7 +50,12 @@ const invoicesFragment = `
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<td>{{ index .Data.CustomerBilling 0 }}</td>
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<td>{{ .TotalNetPretty }}</td>
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<td>
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{{ if eq .State 2 }}
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<a href="/debug/view?id={{ .Uid }}">View</a>
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{{ else }}
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<a href="/debug/view?id={{ .Uid }}&language=en">Preview (en)</a> |
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<a href="/debug/view?id={{ .Uid }}&language=pl">Preview (pl)</a>
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{{ end }}
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</td>
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</tr>
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{{ end }}
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@ -90,7 +95,7 @@ func (s *service) setupStatusz(m *mirko.Mirko) {
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})
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m.HTTPMux().HandleFunc("/debug/view", func(w http.ResponseWriter, r *http.Request) {
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rendered, err := s.invoicePDF(r.Context(), r.URL.Query().Get("id"))
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rendered, err := s.invoicePDF(r.Context(), r.URL.Query().Get("id"), r.URL.Query().Get("language"))
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if err != nil {
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fmt.Fprintf(w, "error: %v", err)
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}
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189
go/svc/invoice/templates/invoice_en.html
Normal file
189
go/svc/invoice/templates/invoice_en.html
Normal file
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@ -0,0 +1,189 @@
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<!doctype html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>Invoice 0001</title>
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<link href="https://fonts.googleapis.com/css?family=Roboto:300,400,700" rel="stylesheet">
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<style type="text/css">
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body {
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background-color: #fff;
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font-family: 'Roboto', sans-serif;
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font-size: 1em;
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padding: 2em;
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}
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ul {
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list-style: none;
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padding: 0;
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}
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ul li {
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margin-bottom: 0.2em;
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}
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@page {
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size: A4;
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margin: 0;
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}
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div.rhs {
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float: right;
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width: 50%;
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text-align: right;
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}
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div.lhs {
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float: left;
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text-align: left;
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width: 50%;
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min-height: 35em;
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}
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div.metadata {
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margin-top: 2em;
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}
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div.invoicee {
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margin-top: 9em;
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}
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h1 {
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font-size: 1.5em;
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margin: 0;
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text-transform: uppercase;
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}
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h2 {
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font-size: 1.2em;
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margin: 0;
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}
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table.items {
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text-align: right;
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border-spacing: 0px;
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border-collapse: collapse;
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border: 0;
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width: 100%;
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}
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table.items td,th {
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border: 1px solid black;
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}
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table.items tr:first-child {
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background-color: #eee;
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color: #111;
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padding: 0.8em;
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text-align: left;
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}
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table.items td {
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background-color: #fff;
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}
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table.items td,th {
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padding: 0.5em 1em 0.5em 1em;
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}
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td.lhead {
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border: 0 !important;
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text-align: right;
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text-transform: uppercase;
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background: rgba(0, 0, 0, 0) !important;
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}
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div.bgtext {
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z-index: -10;
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position: absolute;
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top: 140mm;
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left: 0;
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width: 100%;
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}
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div.bgtext div {
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text-align: center;
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font-size: 10em;
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color: #ddd;
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-webkit-transform: rotate(-45deg);
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text-transform: uppercase;
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}
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</style>
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</head>
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<body>
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{{ if .Proforma }}
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<div class="bgtext"><div>Proforma</div></div>
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{{ end }}
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<div class="rhs">
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<div class="invoicer">
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<ul>
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{{ range $i, $e := .InvoicerBilling }}
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{{ if eq $i 0 }}
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<li><b>{{ $e }}</b></li>
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{{ else }}
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<li>{{ $e }}</li>
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{{ end }}
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{{ end }}
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{{ if .InvoicerCompanyNumber }}
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<li>{{ .InvoicerCompanyNumber }}</li>
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{{ end }}
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<li><b>Tax Number:</b> {{ .InvoicerVAT }}</li>
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</ul>
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</div>
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<div class="metadata">
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<ul>
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<li><b>Invoice number:</b> {{ .InvoiceNumber }}</li>
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<li><b>Date:</b> {{ .Date.Format "2006/01/02" }}</li>
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<li><b>Due date:</b> {{ .DueDate.Format "2006/01/02" }}</li>
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<li><b>IBAN:</b> {{ .IBAN }}</li>
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<li><b>SWIFT/BIC:</b> {{ .SWIFT }}</li>
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</ul>
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</div>
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</div>
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<div class="lhs">
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<div class="invoicee">
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{{ if .Proforma }}
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<h1>Proforma Invoice</h1>
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{{ else }}
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<h1>VAT Invoice</h1>
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{{ end }}
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<ul>
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{{ range $i, $e := .InvoiceeBilling }}
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{{ if eq $i 0 }}
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<li><b>{{ $e }}</b></li>
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{{ else }}
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<li>{{ $e }}</li>
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{{ end }}
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{{ end }}
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{{ if .USCustomer }}
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<li>EIN: {{ .InvoiceeVAT }}</li>
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<li><b>(VAT zero rate)</b></li>
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{{ else }}
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<li><b>NIP:</b> {{ .InvoiceeVAT }}</li>
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{{ end }}
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{{ if .ReverseVAT }}
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<li><b>(reverse charge applies)</b></li>
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{{ end }}
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</ul>
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</div>
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</div>
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<div style="clear: both; height: 1em;"></div>
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<table class="items">
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<tr>
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<th style="width: 60%;">Description</th>
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<th>Price<br />(ex. VAT)</th>
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<th>Qty</th>
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<th>VAT rate</th>
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<th>Total<br />(net)</th>
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<th>Total<br />(inc. VAT)</th>
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</tr>
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{{ range .Items }}
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<tr>
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<td style="text-align: left;">{{ .Title }}</td>
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<td>{{ .UnitPrice }}</td>
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<td>{{ .Qty }}</td>
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<td>{{ .VATRate }}</td>
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<td>{{ .TotalNet }}</td>
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<td>{{ .Total }}</td>
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</tr>
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{{ end }}
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<tr>
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<td colspan="5" class="lhead">Subtotal without VAT</td>
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<td>{{ .TotalNet }}</td>
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</tr>
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<tr>
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<td colspan="5" class="lhead">VAT Total{{ if .ReverseVAT }} (reverse charge applies){{ end }} {{ if .USCustomer }}(VAT zero rate){{ end }}</td>
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<td>{{ .VATTotal }}</td>
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</tr>
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<tr>
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<td colspan="5" class="lhead"><b>Total</b></td>
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<td><b>{{ .Total }}</b></td>
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</tr>
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</table>
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</body>
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</html>
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@ -29,10 +29,13 @@ message InvoiceData {
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string customer_vat_id = 6;
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bool reverse_vat = 7;
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bool us_customer = 11;
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// Optional, if not given the proforma will be created with the current time.
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int64 date = 14;
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int64 days_due = 8;
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string iban = 9;
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string swift = 10;
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string unit = 13;
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// Next tag: 15
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}
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message Invoice {
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@ -74,6 +77,7 @@ message GetInvoiceResponse {
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message RenderInvoiceRequest {
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string uid = 1;
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string language = 2;
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}
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message RenderInvoiceResponse {
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@ -82,6 +86,12 @@ message RenderInvoiceResponse {
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message SealInvoiceRequest {
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string uid = 1;
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enum DateSource {
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DATE_SOURCE_NOW = 0;
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DATE_SOURCE_PROFORMA = 1;
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}
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DateSource date_source = 2;
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string language = 3;
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}
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message SealInvoiceResponse {
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