feat(release): beelloo v0.1

internal/invoice/validate.go

@@ -0,0 +1,98 @@
+package invoice
+
+import (
+	"errors"
+	"fmt"
+)
+
+func Validate(doc *Document) error {
+	var problems []string
+	if doc.Seller.Name == "" {
+		problems = append(problems, "missing vendeur nom")
+	}
+	if len(doc.Seller.Address) == 0 {
+		problems = append(problems, "missing vendeur adresse")
+	}
+	if doc.Seller.Email == "" {
+		problems = append(problems, "missing vendeur email")
+	}
+	if doc.Seller.Phone == "" {
+		problems = append(problems, "missing vendeur telephone")
+	}
+	if doc.Buyer.Name == "" {
+		problems = append(problems, "missing acheteur nom")
+	}
+	if len(doc.Buyer.Address) == 0 {
+		problems = append(problems, "missing acheteur adresse")
+	}
+	if doc.Invoice.Number == "" {
+		problems = append(problems, "missing facture numero")
+	}
+	if doc.Invoice.Subject == "" {
+		problems = append(problems, "missing facture objet")
+	}
+	if doc.Invoice.Location == "" {
+		problems = append(problems, "missing facture lieu")
+	}
+	if doc.Invoice.Date.IsZero() {
+		problems = append(problems, "missing facture date")
+	}
+	if doc.Invoice.Description == "" {
+		problems = append(problems, "missing facture description")
+	}
+	if len(doc.Items) == 0 {
+		problems = append(problems, "missing prestations")
+	}
+	if doc.Payment.Holder == "" {
+		problems = append(problems, "missing paiement titulaire")
+	}
+	if doc.Payment.IBAN == "" {
+		problems = append(problems, "missing paiement IBAN")
+	}
+	if len(problems) > 0 {
+		return errors.New(stringsJoin(problems, "; "))
+	}
+	return nil
+}
+
+func ComputeTotals(doc *Document) {
+	var total Money
+	for _, item := range doc.Items {
+		line := LineAmount(item)
+		total += line
+	}
+	doc.Totals.TotalExclTax = total
+}
+
+func stringsJoin(values []string, sep string) string {
+	if len(values) == 0 {
+		return ""
+	}
+	out := values[0]
+	for i := 1; i < len(values); i++ {
+		out += sep + values[i]
+	}
+	return out
+}
+
+func FormatMoney(m Money) string {
+	return m.String()
+}
+
+func LineAmount(item Item) Money {
+	// Quantity is stored in hundredths. Round to nearest cent.
+	cents := int64(item.UnitPrice)
+	qty := int64(item.Quantity)
+	product := cents * qty
+	if product >= 0 {
+		return Money((product + 50) / 100)
+	}
+	return Money((product - 50) / 100)
+}
+
+func RequireNoError(err error, msg string) error {
+	if err != nil {
+		return fmt.Errorf("%s: %w", msg, err)
+	}
+	return nil
+}