PDF invoice reports + SMTP email sending
PDF Reports: - Professional invoice HTML renderer (company header, partner address, styled line items, totals, Odoo-purple branding, A4 @page CSS) - wkhtmltopdf installed in Docker runtime stage for real PDF generation - Print button on invoice form (opens PDF in new tab) - Exported HtmlToPDF/RenderInvoiceHTML for cross-package use SMTP Email: - SendEmail + SendEmailWithAttachments with MIME multipart support - Base64 file attachments - Config via ODOO_SMTP_HOST/PORT/USER/PASSWORD/FROM env vars - LoadSMTPConfig helper, nil auth for relay servers Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Marc
@@ -87,8 +87,13 @@ func (s *Server) handleReport(w http.ResponseWriter, r *http.Request) {
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return
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}
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// Render HTML report
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html := renderHTMLReport(reportName, modelName, records)
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// Use dedicated renderer for invoices, generic for others
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var html string
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if reportName == "account.report_invoice" && len(ids) > 0 {
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html = renderInvoiceHTML(env, ids[0])
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} else {
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html = renderHTMLReport(reportName, modelName, records)
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}
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w.Header().Set("Content-Type", "text/html; charset=utf-8")
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w.Write([]byte(html))
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}
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@@ -168,8 +173,13 @@ func (s *Server) handleReportPDF(w http.ResponseWriter, r *http.Request) {
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return
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}
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// Generate HTML report
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htmlContent := renderHTMLReport(reportName, modelName, records)
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// Use dedicated renderer for invoices, generic for others
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var htmlContent string
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if reportName == "account.report_invoice" && len(ids) > 0 {
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htmlContent = renderInvoiceHTML(env, ids[0])
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} else {
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htmlContent = renderHTMLReport(reportName, modelName, records)
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}
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// Try to convert to PDF
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pdfData, err := htmlToPDF(htmlContent)
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@@ -442,3 +452,195 @@ h2 { color: #555; margin-top: 30px; }
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func htmlEscape(s string) string {
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return template.HTMLEscapeString(s)
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}
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// renderInvoiceHTML generates a professional invoice HTML document for PDF conversion.
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// Reads directly from the database to build a complete, styled invoice.
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// Mirrors: odoo/addons/account/report/account_invoice_report_templates.xml
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func renderInvoiceHTML(env *orm.Environment, moveID int64) string {
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// Read invoice header
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var name, partnerName, moveType, state, date, dueDate string
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var total, untaxed, tax float64
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env.Tx().QueryRow(env.Ctx(), `
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SELECT COALESCE(m.name,'/'), COALESCE(p.name,''), COALESCE(m.move_type,'entry'),
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COALESCE(m.state,'draft'),
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COALESCE(m.date::text,''), COALESCE(m.invoice_date_due::text,''),
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COALESCE(m.amount_total::float8, 0), COALESCE(m.amount_untaxed::float8, 0),
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COALESCE(m.amount_tax::float8, 0)
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FROM account_move m
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LEFT JOIN res_partner p ON p.id = m.partner_id
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WHERE m.id = $1`, moveID,
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).Scan(&name, &partnerName, &moveType, &state, &date, &dueDate, &total, &untaxed, &tax)
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// Read partner address
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var partnerStreet, partnerCity, partnerZip, partnerCountry string
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env.Tx().QueryRow(env.Ctx(), `
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SELECT COALESCE(p.street,''), COALESCE(p.city,''), COALESCE(p.zip,''),
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COALESCE(co.name,'')
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FROM account_move m
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LEFT JOIN res_partner p ON p.id = m.partner_id
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LEFT JOIN res_country co ON co.id = p.country_id
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WHERE m.id = $1`, moveID,
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).Scan(&partnerStreet, &partnerCity, &partnerZip, &partnerCountry)
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// Read company info
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var companyName, companyEmail, companyPhone, companyStreet, companyCity, companyZip, companyCountry string
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env.Tx().QueryRow(env.Ctx(), `
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SELECT COALESCE(c.name,''), COALESCE(p.email,''), COALESCE(p.phone,''),
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COALESCE(p.street,''), COALESCE(p.city,''), COALESCE(p.zip,''),
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COALESCE(co.name,'')
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FROM res_company c
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JOIN res_partner p ON p.id = c.partner_id
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LEFT JOIN res_country co ON co.id = p.country_id
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WHERE c.id = 1`).Scan(&companyName, &companyEmail, &companyPhone,
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&companyStreet, &companyCity, &companyZip, &companyCountry)
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// Read invoice lines
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type invLine struct {
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name string
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qty float64
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price float64
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amount float64
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dtype string
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}
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rows, err := env.Tx().Query(env.Ctx(), `
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SELECT COALESCE(name,''), COALESCE(quantity,0), COALESCE(price_unit::float8,0),
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COALESCE(ABS(balance::float8),0), COALESCE(display_type,'product')
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FROM account_move_line WHERE move_id = $1 AND display_type IN ('product','tax')
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ORDER BY display_type, id`, moveID)
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var lines []invLine
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if err == nil {
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defer rows.Close()
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for rows.Next() {
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var l invLine
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if err := rows.Scan(&l.name, &l.qty, &l.price, &l.amount, &l.dtype); err == nil {
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lines = append(lines, l)
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}
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}
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}
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// Build professional HTML
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var b strings.Builder
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b.WriteString(`<!DOCTYPE html><html><head><meta charset="utf-8"/>
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<style>
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* { margin: 0; padding: 0; box-sizing: border-box; }
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body { font-family: 'Helvetica Neue', Arial, sans-serif; font-size: 11pt; color: #333; padding: 40px; }
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.header { display: flex; justify-content: space-between; margin-bottom: 40px; }
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.company { font-size: 10pt; color: #666; }
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.company h1 { font-size: 16pt; color: #875A7B; margin-bottom: 5px; }
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.invoice-title { font-size: 22pt; color: #875A7B; margin-bottom: 5px; }
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.invoice-number { font-size: 14pt; font-weight: bold; }
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.info-grid { display: flex; justify-content: space-between; margin-bottom: 30px; }
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.info-box { width: 48%; }
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.info-box h3 { color: #875A7B; font-size: 10pt; text-transform: uppercase; margin-bottom: 5px; border-bottom: 1px solid #875A7B; padding-bottom: 3px; }
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.info-box p { font-size: 10pt; line-height: 1.6; }
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table { width: 100%; border-collapse: collapse; margin-bottom: 20px; }
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thead th { background: #875A7B; color: white; padding: 8px 12px; text-align: left; font-size: 9pt; text-transform: uppercase; }
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thead th.num { text-align: right; }
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tbody td { padding: 8px 12px; border-bottom: 1px solid #eee; font-size: 10pt; }
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tbody td.num { text-align: right; }
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.totals { float: right; width: 280px; }
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.totals table { margin-bottom: 0; }
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.totals td { padding: 4px 8px; }
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.totals .total-row { font-weight: bold; font-size: 13pt; border-top: 2px solid #875A7B; }
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.footer { clear: both; margin-top: 60px; padding-top: 10px; border-top: 1px solid #ddd; font-size: 8pt; color: #999; text-align: center; }
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.state-badge { display: inline-block; padding: 2px 8px; border-radius: 3px; font-size: 9pt; text-transform: uppercase; font-weight: bold; }
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.state-draft { background: #ffc107; color: #333; }
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.state-posted { background: #28a745; color: white; }
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.state-cancel { background: #dc3545; color: white; }
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@media print { body { padding: 20px; } }
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@page { size: A4; margin: 15mm; }
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</style></head><body>`)
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// Header
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stateClass := "state-" + state
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b.WriteString(fmt.Sprintf(`<div class="header">
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<div class="company"><h1>%s</h1><p>%s<br/>%s %s<br/>%s<br/>%s</p></div>
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<div style="text-align:right">
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<div class="invoice-title">%s</div>
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<div class="invoice-number">%s</div>
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<span class="state-badge %s">%s</span>
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</div>
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</div>`, htmlEscape(companyName), htmlEscape(companyStreet),
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htmlEscape(companyZip), htmlEscape(companyCity),
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htmlEscape(companyPhone), htmlEscape(companyEmail),
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htmlEscape(getInvoiceTypeLabel(moveType)), htmlEscape(name),
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stateClass, htmlEscape(state)))
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// Info boxes
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partnerAddr := htmlEscape(partnerName)
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if partnerStreet != "" {
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partnerAddr += "<br/>" + htmlEscape(partnerStreet)
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}
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if partnerZip != "" || partnerCity != "" {
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partnerAddr += "<br/>" + htmlEscape(partnerZip) + " " + htmlEscape(partnerCity)
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}
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if partnerCountry != "" {
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partnerAddr += "<br/>" + htmlEscape(partnerCountry)
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}
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b.WriteString(fmt.Sprintf(`<div class="info-grid">
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<div class="info-box"><h3>Bill To</h3><p>%s</p></div>
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<div class="info-box"><h3>Details</h3><p>Date: %s<br/>Due Date: %s</p></div>
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</div>`, partnerAddr, htmlEscape(date), htmlEscape(dueDate)))
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// Lines table
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b.WriteString(`<table><thead><tr><th>Description</th><th class="num">Quantity</th><th class="num">Unit Price</th><th class="num">Amount</th></tr></thead><tbody>`)
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for _, l := range lines {
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if l.dtype == "product" {
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b.WriteString(fmt.Sprintf(`<tr><td>%s</td><td class="num">%.2f</td><td class="num">%.2f</td><td class="num">%.2f</td></tr>`,
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htmlEscape(l.name), l.qty, l.price, l.amount))
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}
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}
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// Tax lines
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for _, l := range lines {
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if l.dtype == "tax" {
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b.WriteString(fmt.Sprintf(`<tr><td><em>%s</em></td><td></td><td></td><td class="num">%.2f</td></tr>`,
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htmlEscape(l.name), l.amount))
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}
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}
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b.WriteString(`</tbody></table>`)
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// Totals
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b.WriteString(fmt.Sprintf(`<div class="totals"><table>
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<tr><td>Untaxed Amount:</td><td class="num">%.2f</td></tr>
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<tr><td>Taxes:</td><td class="num">%.2f</td></tr>
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<tr class="total-row"><td>Total:</td><td class="num">%.2f</td></tr>
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</table></div>`, untaxed, tax, total))
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// Footer
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b.WriteString(fmt.Sprintf(`<div class="footer">%s | %s | %s</div>`,
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htmlEscape(companyName), htmlEscape(companyEmail), htmlEscape(companyPhone)))
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b.WriteString(`</body></html>`)
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return b.String()
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}
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// HtmlToPDF is the exported version of htmlToPDF for use by other packages.
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func HtmlToPDF(html string) ([]byte, error) {
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return htmlToPDF(html)
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}
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// RenderInvoiceHTML is the exported version of renderInvoiceHTML for use by other packages.
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func RenderInvoiceHTML(env *orm.Environment, moveID int64) string {
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return renderInvoiceHTML(env, moveID)
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}
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// getInvoiceTypeLabel returns a human-readable label for the move type.
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func getInvoiceTypeLabel(t string) string {
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switch t {
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case "out_invoice":
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return "Invoice"
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case "out_refund":
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return "Credit Note"
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case "in_invoice":
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return "Vendor Bill"
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case "in_refund":
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return "Vendor Credit Note"
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case "out_receipt":
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return "Sales Receipt"
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case "in_receipt":
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return "Purchase Receipt"
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default:
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return "Journal Entry"
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}
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}
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