Add the form to add products to an invoice and create invoices too

Still missing: the invoice number, that requires more tables and
possibly a PL/pgSQL function to do it properly.

pkg/db.go

@@ -96,6 +96,14 @@ func (c *Conn) MustExec(ctx context.Context, sql string, args ...interface{}) {
 	}
 }
 
+func (c *Conn) MustQuery(ctx context.Context, sql string, args ...interface{}) pgx.Rows {
+	rows, err := c.Conn.Query(ctx, sql, args...)
+	if err != nil {
+		panic(err)
+	}
+	return rows
+}
+
 type Tx struct {
 	pgx.Tx
 }

pkg/form.go

@@ -5,6 +5,7 @@ import (
 	"database/sql/driver"
 	"errors"
 	"fmt"
+	"github.com/jackc/pgtype"
 	"html/template"
 	"net/http"
 	"net/mail"
@@ -12,6 +13,7 @@ import (
 	"regexp"
 	"strconv"
 	"strings"
+	"time"
 )
 
 type Attribute struct {
@@ -72,6 +74,14 @@ func (field *SelectField) Scan(value interface{}) error {
 		field.Selected = append(field.Selected, "")
 		return nil
 	}
+	if str, ok := value.(string); ok {
+		if array, err := pgtype.ParseUntypedTextArray(str); err == nil {
+			for _, element := range array.Elements {
+				field.Selected = append(field.Selected, element)
+			}
+			return nil
+		}
+	}
 	field.Selected = append(field.Selected, fmt.Sprintf("%v", value))
 	return nil
 }
@@ -185,6 +195,11 @@ func (v *FormValidator) CheckValidURL(field *InputField, message string) bool {
 	return v.checkInput(field, err == nil, message)
 }
 
+func (v *FormValidator) CheckValidDate(field *InputField, message string) bool {
+	_, err := time.Parse("2006-02-01", field.Val)
+	return v.checkInput(field, err == nil, message)
+}
+
 func (v *FormValidator) CheckValidPostalCode(ctx context.Context, conn *Conn, field *InputField, country string, message string) bool {
 	pattern := "^" + conn.MustGetText(ctx, ".{1,255}", "select postal_code_regex from country where country_code = $1", country) + "$"
 	match, err := regexp.MatchString(pattern, field.Val)

pkg/invoices.go

@@ -3,20 +3,59 @@ package pkg
 import (
 	"context"
 	"fmt"
+	"github.com/jackc/pgx/v4"
 	"github.com/julienschmidt/httprouter"
 	"html/template"
+	"math"
 	"net/http"
+	"strconv"
 	"time"
 )
 
+type InvoiceEntry struct {
+	Slug         string
+	Date         time.Time
+	Number       string
+	CustomerName string
+	CustomerSlug string
+	Status       string
+	StatusLabel  string
+}
+
 type InvoicesIndexPage struct {
+	Invoices []*InvoiceEntry
 }
 
 func IndexInvoices(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
-	page := &InvoicesIndexPage{}
+	page := &InvoicesIndexPage{
+		Invoices: mustGetInvoiceEntries(r.Context(), getConn(r), mustGetCompany(r), getLocale(r)),
+	}
 	mustRenderAppTemplate(w, r, "invoices/index.gohtml", page)
 }
 
+func mustGetInvoiceEntries(ctx context.Context, conn *Conn, company *Company, locale *Locale) []*InvoiceEntry {
+	rows, err := conn.Query(ctx, "select invoice.slug, invoice_date, invoice_number, contact.business_name, contact.slug, invoice.invoice_status, isi18n.name from invoice join contact using (contact_id) join invoice_status_i18n isi18n on invoice.invoice_status = isi18n.invoice_status and isi18n.lang_tag = $2 where invoice.company_id = $1 order by invoice_date, invoice_number", company.Id, locale.Language.String())
+	if err != nil {
+		panic(err)
+	}
+	defer rows.Close()
+
+	var entries []*InvoiceEntry
+	for rows.Next() {
+		entry := &InvoiceEntry{}
+		err = rows.Scan(&entry.Slug, &entry.Date, &entry.Number, &entry.CustomerName, &entry.CustomerSlug, &entry.Status, &entry.StatusLabel)
+		if err != nil {
+			panic(err)
+		}
+		entries = append(entries, entry)
+	}
+	if rows.Err() != nil {
+		panic(rows.Err())
+	}
+
+	return entries
+}
+
 func GetInvoiceForm(w http.ResponseWriter, r *http.Request, params httprouter.Params) {
 	locale := getLocale(r)
 	conn := getConn(r)
@@ -36,19 +75,123 @@ func mustRenderNewInvoiceForm(w http.ResponseWriter, r *http.Request, form *invo
 	mustRenderAppTemplate(w, r, "invoices/new.gohtml", form)
 }
 
-func HandleAddInvoice(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
+func mustRenderNewInvoiceProductsForm(w http.ResponseWriter, r *http.Request, form *invoiceForm) {
-	r.ParseForm()
+	conn := getConn(r)
-	w.Write([]byte("OK"))
+	company := mustGetCompany(r)
+	page := newInvoiceProductsPage{
+		Form:     form,
+		Products: mustGetProductChoices(r.Context(), conn, company),
+	}
+	mustRenderAppTemplate(w, r, "invoices/products.gohtml", page)
 }
 
-type invoiceProductForm struct {
+func mustGetProductChoices(ctx context.Context, conn *Conn, company *Company) []*productChoice {
-	ProductId   *InputField
+	rows := conn.MustQuery(ctx, "select product.product_id, product.name, to_price(price, decimal_digits) from product join company using (company_id) join currency using (currency_code) where company_id = $1 order by name", company.Id)
-	Name        *InputField
+	defer rows.Close()
-	Description *InputField
+
-	Price       *InputField
+	var choices []*productChoice
-	Quantity    *InputField
+	for rows.Next() {
-	Discount    *InputField
+		entry := &productChoice{}
-	Tax         *SelectField
+		if err := rows.Scan(&entry.Id, &entry.Name, &entry.Price); err != nil {
+			panic(err)
+		}
+		choices = append(choices, entry)
+	}
+	if rows.Err() != nil {
+		panic(rows.Err())
+	}
+
+	return choices
+}
+
+type newInvoiceProductsPage struct {
+	Form     *invoiceForm
+	Products []*productChoice
+}
+
+type productChoice struct {
+	Id    int
+	Name  string
+	Price string
+}
+
+func HandleAddInvoice(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
+	locale := getLocale(r)
+	conn := getConn(r)
+	company := mustGetCompany(r)
+	form := newInvoiceForm(r.Context(), conn, locale, company)
+	if err := form.Parse(r); err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+	if err := verifyCsrfTokenValid(r); err != nil {
+		http.Error(w, err.Error(), http.StatusForbidden)
+		return
+	}
+	switch r.Form.Get("action") {
+	case "update":
+		form.Update()
+		w.WriteHeader(http.StatusOK)
+		mustRenderNewInvoiceForm(w, r, form)
+	case "products":
+		w.WriteHeader(http.StatusOK)
+		mustRenderNewInvoiceProductsForm(w, r, form)
+	case "add":
+		if !form.Validate() {
+			w.WriteHeader(http.StatusUnprocessableEntity)
+			mustRenderNewInvoiceForm(w, r, form)
+			return
+		}
+		tx := conn.MustBegin(r.Context())
+		invoiceId := tx.MustGetInteger(r.Context(), "insert into invoice (company_id, invoice_number, invoice_date, contact_id, notes, currency_code)  select company_id, $2, $3, $4, $5, currency_code from company join currency using (currency_code) where company_id = $1 returning invoice_id", company.Id, form.Number, form.Date, form.Customer, form.Notes)
+		batch := &pgx.Batch{}
+		for _, product := range form.Products {
+			batch.Queue("insert into invoice_product(invoice_id, product_id, name, description, price, quantity, discount_rate) select $2, $3, $4, $5, parse_price($6, decimal_digits), $7, $8 / 100::decimal from company join currency using (currency_code) where company_id = $1", company.Id, invoiceId, product.ProductId, product.Name, product.Description, product.Price, product.Quantity.Integer(), product.Discount.Integer())
+		}
+		br := tx.SendBatch(r.Context(), batch)
+		for range form.Products {
+			if _, err := br.Exec(); err != nil {
+				panic(err)
+			}
+		}
+		if err := br.Close(); err != nil {
+			panic(err)
+		}
+		tx.MustCommit(r.Context())
+		http.Redirect(w, r, companyURI(company, "/invoices"), http.StatusSeeOther)
+	default:
+		http.Error(w, gettext("Invalid action", locale), http.StatusBadRequest)
+	}
+}
+
+func HandleAddProductsToInvoice(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
+	locale := getLocale(r)
+	conn := getConn(r)
+	company := mustGetCompany(r)
+	form := newInvoiceForm(r.Context(), conn, locale, company)
+	if err := form.Parse(r); err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	index := len(form.Products)
+	productsId := r.Form["id"]
+	rows := conn.MustQuery(r.Context(), "select product_id, name, description, to_price(price, decimal_digits), 1 as quantity, 0 as discount, array_agg(tax_id) from product join company using (company_id) join currency using (currency_code) left join product_tax using (product_id) where product_id = any ($1) group by product_id, name, description, price, decimal_digits", productsId)
+	defer rows.Close()
+	for rows.Next() {
+		product := newInvoiceProductForm(index, company, locale, form.Tax.Options)
+		if err := rows.Scan(product.ProductId, product.Name, product.Description, product.Price, product.Quantity, product.Discount, product.Tax); err != nil {
+			panic(err)
+		}
+		form.Products = append(form.Products, product)
+		index++
+	}
+	if rows.Err() != nil {
+		panic(rows.Err())
+	}
+
+	w.WriteHeader(http.StatusOK)
+	mustRenderNewInvoiceForm(w, r, form)
 }
 
 type invoiceForm struct {
@@ -58,6 +201,7 @@ type invoiceForm struct {
 	Number   *InputField
 	Date     *InputField
 	Notes    *InputField
+	Tax      *SelectField
 	Products []*invoiceProductForm
 }
 
@@ -88,33 +232,103 @@ func newInvoiceForm(ctx context.Context, conn *Conn, locale *Locale, company *Co
 			Label: pgettext("input", "Notes", locale),
 			Type:  "textarea",
 		},
-		Products: []*invoiceProductForm{
+		Tax: &SelectField{
-			newInvoiceProductForm(ctx, conn, company, locale),
+			Name:     "text",
+			Label:    pgettext("input", "Taxes", locale),
+			Multiple: true,
+			Options:  mustGetTaxOptions(ctx, conn, company),
 		},
 	}
 }
 
-func newInvoiceProductForm(ctx context.Context, conn *Conn, company *Company, locale *Locale) *invoiceProductForm {
+func (form *invoiceForm) Parse(r *http.Request) error {
+	if err := r.ParseForm(); err != nil {
+		return err
+	}
+	form.Customer.FillValue(r)
+	form.Number.FillValue(r)
+	form.Date.FillValue(r)
+	form.Notes.FillValue(r)
+	if r.Form.Has("product.id.0") {
+		for index := 0; r.Form.Has("product.id." + strconv.Itoa(index)); index++ {
+			productForm := newInvoiceProductForm(index, form.company, form.locale, form.Tax.Options)
+			if err := productForm.Parse(r); err != nil {
+				return err
+			}
+			form.Products = append(form.Products, productForm)
+		}
+	}
+	return nil
+}
+
+func (form *invoiceForm) Validate() bool {
+	validator := newFormValidator()
+
+	validator.CheckValidSelectOption(form.Customer, gettext("Name can not be empty.", form.locale))
+	if validator.CheckRequiredInput(form.Date, gettext("Invoice date can not be empty.", form.locale)) {
+		validator.CheckValidDate(form.Date, gettext("Invoice date must be a valid date.", form.locale))
+	}
+	validator.CheckValidSelectOption(form.Tax, gettext("Selected tax is not valid.", form.locale))
+
+	allOK := validator.AllOK()
+	for _, product := range form.Products {
+		allOK = product.Validate() && allOK
+	}
+	return allOK
+}
+
+func (form *invoiceForm) Update() {
+	products := form.Products
+	form.Products = nil
+	index := 0
+	for _, product := range products {
+		if product.Quantity.Val != "0" {
+			form.Products = append(form.Products, product)
+			index++
+		}
+	}
+}
+
+func mustGetTaxOptions(ctx context.Context, conn *Conn, company *Company) []*SelectOption {
+	return MustGetOptions(ctx, conn, "select tax_id::text, name from tax where company_id = $1 order by name", company.Id)
+}
+
+type invoiceProductForm struct {
+	locale      *Locale
+	company     *Company
+	ProductId   *InputField
+	Name        *InputField
+	Description *InputField
+	Price       *InputField
+	Quantity    *InputField
+	Discount    *InputField
+	Tax         *SelectField
+}
+
+func newInvoiceProductForm(index int, company *Company, locale *Locale, taxOptions []*SelectOption) *invoiceProductForm {
+	suffix := "." + strconv.Itoa(index)
 	return &invoiceProductForm{
+		locale:  locale,
+		company: company,
 		ProductId: &InputField{
-			Name:     "product[][id]",
+			Name:     "product.id" + suffix,
 			Label:    pgettext("input", "Id", locale),
 			Type:     "hidden",
 			Required: true,
 		},
 		Name: &InputField{
-			Name:     "product[][name]",
+			Name:     "product.name" + suffix,
 			Label:    pgettext("input", "Name", locale),
 			Type:     "text",
 			Required: true,
 		},
 		Description: &InputField{
-			Name:  "product[][description]",
+			Name:  "product.description" + suffix,
 			Label: pgettext("input", "Description", locale),
 			Type:  "textarea",
 		},
 		Price: &InputField{
-			Name:     "product[][price]",
+			Name:     "product.price" + suffix,
 			Label:    pgettext("input", "Price", locale),
 			Type:     "number",
 			Required: true,
@@ -124,7 +338,7 @@ func newInvoiceProductForm(ctx context.Context, conn *Conn, company *Company, lo
 			},
 		},
 		Quantity: &InputField{
-			Name:     "product[][quantity]",
+			Name:     "product.quantity" + suffix,
 			Label:    pgettext("input", "Quantity", locale),
 			Type:     "number",
 			Required: true,
@@ -133,7 +347,7 @@ func newInvoiceProductForm(ctx context.Context, conn *Conn, company *Company, lo
 			},
 		},
 		Discount: &InputField{
-			Name:     "product[][discount]",
+			Name:     "product.discount" + suffix,
 			Label:    pgettext("input", "Discount (%)", locale),
 			Type:     "number",
 			Required: true,
@@ -143,10 +357,40 @@ func newInvoiceProductForm(ctx context.Context, conn *Conn, company *Company, lo
 			},
 		},
 		Tax: &SelectField{
-			Name:     "product[][tax]",
+			Name:     "product.tax" + suffix,
 			Label:    pgettext("input", "Taxes", locale),
 			Multiple: true,
-			Options:  MustGetOptions(ctx, conn, "select tax_id::text, name from tax where company_id = $1 order by name", company.Id),
+			Options:  taxOptions,
 		},
 	}
 }
+
+func (form *invoiceProductForm) Parse(r *http.Request) error {
+	if err := r.ParseForm(); err != nil {
+		return err
+	}
+	form.ProductId.FillValue(r)
+	form.Name.FillValue(r)
+	form.Description.FillValue(r)
+	form.Price.FillValue(r)
+	form.Quantity.FillValue(r)
+	form.Discount.FillValue(r)
+	form.Tax.FillValue(r)
+	return nil
+}
+
+func (form *invoiceProductForm) Validate() bool {
+	validator := newFormValidator()
+	validator.CheckRequiredInput(form.Name, gettext("Name can not be empty.", form.locale))
+	if validator.CheckRequiredInput(form.Price, gettext("Price can not be empty.", form.locale)) {
+		validator.CheckValidDecimal(form.Price, form.company.MinCents(), math.MaxFloat64, gettext("Price must be a number greater than zero.", form.locale))
+	}
+	if validator.CheckRequiredInput(form.Quantity, gettext("Quantity can not be empty.", form.locale)) {
+		validator.CheckValidInteger(form.Quantity, 1, math.MaxInt, gettext("Quantity must be a number greater than zero.", form.locale))
+	}
+	if validator.CheckRequiredInput(form.Discount, gettext("Discount can not be empty.", form.locale)) {
+		validator.CheckValidInteger(form.Discount, 0, 100, gettext("Discount must be a percentage between 0 and 100.", form.locale))
+	}
+	validator.CheckValidSelectOption(form.Tax, gettext("Selected tax is not valid.", form.locale))
+	return validator.AllOK()
+}

pkg/products.go

@@ -214,7 +214,7 @@ func newProductForm(ctx context.Context, conn *Conn, locale *Locale, company *Co
 			Name:     "tax",
 			Label:    pgettext("input", "Taxes", locale),
 			Multiple: true,
-			Options:  MustGetOptions(ctx, conn, "select tax_id::text, name from tax where company_id = $1 order by name", company.Id),
+			Options:  mustGetTaxOptions(ctx, conn, company),
 		},
 	}
 }

pkg/router.go

@@ -25,6 +25,7 @@ func NewRouter(db *Db) http.Handler {
 	companyRouter.GET("/invoices", IndexInvoices)
 	companyRouter.POST("/invoices", HandleAddInvoice)
 	companyRouter.GET("/invoices/:slug", GetInvoiceForm)
+	companyRouter.POST("/invoices/new/products", HandleAddProductsToInvoice)
 	companyRouter.GET("/", func(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
 		mustRenderAppTemplate(w, r, "dashboard.gohtml", nil)
 	})

pkg/template.go

@@ -9,6 +9,7 @@ import (
 	"math"
 	"net/http"
 	"strconv"
+	"time"
 )
 
 const overrideMethodName = "_method"
@@ -39,6 +40,9 @@ func mustRenderTemplate(wr io.Writer, r *http.Request, layout string, filename s
 			}
 			return p.Sprintf("%.*f", company.DecimalDigits, number.Decimal(f))
 		},
+		"formatDate": func(time time.Time) string {
+			return time.Format("02/01/2006")
+		},
 		"csrfToken": func() template.HTML {
 			return template.HTML(fmt.Sprintf(`<input type="hidden" name="%s" value="%s">`, csrfTokenField, user.CsrfToken))
 		},

po/ca.po

@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: numerus\n"
 "Report-Msgid-Bugs-To: jordi@tandem.blog\n"
-"POT-Creation-Date: 2023-02-08 13:43+0100\n"
+"POT-Creation-Date: 2023-02-12 20:51+0100\n"
 "PO-Revision-Date: 2023-01-18 17:08+0100\n"
 "Last-Translator: jordi fita mas <jordi@tandem.blog>\n"
 "Language-Team: Catalan <ca@dodds.net>\n"
@@ -17,6 +17,111 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 
+#: web/template/invoices/products.gohtml:2
+#: web/template/invoices/products.gohtml:15
+msgctxt "title"
+msgid "Add Products to Invoice"
+msgstr "Afegeix productes a la factura"
+
+#: web/template/invoices/products.gohtml:9 web/template/invoices/new.gohtml:9
+#: web/template/invoices/index.gohtml:8 web/template/contacts/new.gohtml:9
+#: web/template/contacts/index.gohtml:8 web/template/contacts/edit.gohtml:9
+#: web/template/profile.gohtml:9 web/template/tax-details.gohtml:8
+#: web/template/products/new.gohtml:9 web/template/products/index.gohtml:8
+#: web/template/products/edit.gohtml:9
+msgctxt "title"
+msgid "Home"
+msgstr "Inici"
+
+#: web/template/invoices/products.gohtml:10 web/template/invoices/new.gohtml:10
+#: web/template/invoices/index.gohtml:2 web/template/invoices/index.gohtml:9
+msgctxt "title"
+msgid "Invoices"
+msgstr "Factures"
+
+#: web/template/invoices/products.gohtml:11 web/template/invoices/new.gohtml:2
+#: web/template/invoices/new.gohtml:11 web/template/invoices/new.gohtml:15
+msgctxt "title"
+msgid "New Invoice"
+msgstr "Nova factura"
+
+#: web/template/invoices/products.gohtml:41
+#: web/template/products/index.gohtml:21
+msgctxt "product"
+msgid "All"
+msgstr "Tots"
+
+#: web/template/invoices/products.gohtml:42
+#: web/template/products/index.gohtml:22
+msgctxt "title"
+msgid "Name"
+msgstr "Nom"
+
+#: web/template/invoices/products.gohtml:43
+#: web/template/products/index.gohtml:23
+msgctxt "title"
+msgid "Price"
+msgstr "Preu"
+
+#: web/template/invoices/products.gohtml:57
+#: web/template/products/index.gohtml:37
+msgid "No products added yet."
+msgstr "No hi ha cap producte."
+
+#: web/template/invoices/products.gohtml:64 web/template/invoices/new.gohtml:37
+msgctxt "action"
+msgid "Add products"
+msgstr "Afegeix productes"
+
+#: web/template/invoices/new.gohtml:38
+msgctxt "action"
+msgid "Update"
+msgstr "Actualitza"
+
+#: web/template/invoices/new.gohtml:40 web/template/invoices/index.gohtml:13
+msgctxt "action"
+msgid "New invoice"
+msgstr "Nova factura"
+
+#: web/template/invoices/index.gohtml:21
+msgctxt "invoice"
+msgid "All"
+msgstr "Totes"
+
+#: web/template/invoices/index.gohtml:22
+msgctxt "title"
+msgid "Date"
+msgstr "Data"
+
+#: web/template/invoices/index.gohtml:23
+msgctxt "title"
+msgid "Invoice Num."
+msgstr "Núm. factura"
+
+#: web/template/invoices/index.gohtml:24 web/template/contacts/index.gohtml:22
+msgctxt "title"
+msgid "Customer"
+msgstr "Client"
+
+#: web/template/invoices/index.gohtml:25
+msgctxt "title"
+msgid "Status"
+msgstr "Estat"
+
+#: web/template/invoices/index.gohtml:26
+msgctxt "title"
+msgid "Label"
+msgstr "Etiqueta"
+
+#: web/template/invoices/index.gohtml:27
+msgctxt "title"
+msgid "Download"
+msgstr "Descàrrega"
+
+#: web/template/invoices/index.gohtml:45
+msgid "No invoices added yet."
+msgstr "No hi ha cap factura."
+
 #: web/template/dashboard.gohtml:2
 msgctxt "title"
 msgid "Dashboard"
@@ -44,10 +149,15 @@ msgstr "Tauler"
 
 #: web/template/app.gohtml:44
 msgctxt "nav"
+msgid "Invoices"
+msgstr "Factures"
+
+#: web/template/app.gohtml:45
+msgctxt "nav"
 msgid "Products"
 msgstr "Productes"
 
-#: web/template/app.gohtml:45
+#: web/template/app.gohtml:46
 msgctxt "nav"
 msgid "Contacts"
 msgstr "Contactes"
@@ -58,14 +168,6 @@ msgctxt "title"
 msgid "New Contact"
 msgstr "Nou contacte"
 
-#: web/template/contacts/new.gohtml:9 web/template/contacts/index.gohtml:8
-#: web/template/contacts/edit.gohtml:9 web/template/profile.gohtml:9
-#: web/template/tax-details.gohtml:8 web/template/products/new.gohtml:9
-#: web/template/products/index.gohtml:8 web/template/products/edit.gohtml:9
-msgctxt "title"
-msgid "Home"
-msgstr "Inici"
-
 #: web/template/contacts/new.gohtml:10 web/template/contacts/index.gohtml:2
 #: web/template/contacts/index.gohtml:9 web/template/contacts/edit.gohtml:10
 msgctxt "title"
@@ -82,11 +184,6 @@ msgctxt "contact"
 msgid "All"
 msgstr "Tots"
 
-#: web/template/contacts/index.gohtml:22
-msgctxt "title"
-msgid "Customer"
-msgstr "Client"
-
 #: web/template/contacts/index.gohtml:23
 msgctxt "title"
 msgid "Email"
@@ -199,25 +296,6 @@ msgctxt "action"
 msgid "New product"
 msgstr "Nou producte"
 
-#: web/template/products/index.gohtml:21
-msgctxt "product"
-msgid "All"
-msgstr "Tots"
-
-#: web/template/products/index.gohtml:22
-msgctxt "title"
-msgid "Name"
-msgstr "Nom"
-
-#: web/template/products/index.gohtml:23
-msgctxt "title"
-msgid "Price"
-msgstr "Preu"
-
-#: web/template/products/index.gohtml:37
-msgid "No products added yet."
-msgstr "No hi ha cap producte."
-
 #: web/template/products/edit.gohtml:2 web/template/products/edit.gohtml:15
 msgctxt "title"
 msgid "Edit Product “%s”"
@@ -254,39 +332,40 @@ msgstr "No podeu deixar la contrasenya en blanc."
 msgid "Invalid user or password."
 msgstr "Nom d’usuari o contrasenya incorrectes."
 
-#: pkg/products.go:193
+#: pkg/products.go:194 pkg/invoices.go:321
 msgctxt "input"
 msgid "Name"
 msgstr "Nom"
 
-#: pkg/products.go:199
+#: pkg/products.go:200 pkg/invoices.go:327
 msgctxt "input"
 msgid "Description"
 msgstr "Descripció"
 
-#: pkg/products.go:204
+#: pkg/products.go:205 pkg/invoices.go:332
 msgctxt "input"
 msgid "Price"
 msgstr "Preu"
 
-#: pkg/products.go:214
+#: pkg/products.go:215 pkg/invoices.go:237 pkg/invoices.go:361
 msgctxt "input"
 msgid "Taxes"
 msgstr "Imposts"
 
-#: pkg/products.go:234 pkg/profile.go:92
+#: pkg/products.go:235 pkg/profile.go:92 pkg/invoices.go:267
+#: pkg/invoices.go:384
 msgid "Name can not be empty."
 msgstr "No podeu deixar el nom en blanc."
 
-#: pkg/products.go:235
+#: pkg/products.go:236 pkg/invoices.go:385
 msgid "Price can not be empty."
 msgstr "No podeu deixar el preu en blanc."
 
-#: pkg/products.go:236
+#: pkg/products.go:237 pkg/invoices.go:386
 msgid "Price must be a number greater than zero."
 msgstr "El preu ha de ser un número major a zero."
 
-#: pkg/products.go:238
+#: pkg/products.go:239 pkg/invoices.go:271 pkg/invoices.go:394
 msgid "Selected tax is not valid."
 msgstr "Heu seleccionat un impost que no és vàlid."
 
@@ -349,6 +428,73 @@ msgstr "La confirmació no és igual a la contrasenya."
 msgid "Selected language is not valid."
 msgstr "Heu seleccionat un idioma que no és vàlid."
 
+#: pkg/invoices.go:66
+msgid "Select a customer to bill."
+msgstr "Escolliu un client a facturar."
+
+#: pkg/invoices.go:163
+msgid "Invalid action"
+msgstr "Acció invàlida."
+
+#: pkg/invoices.go:214
+msgctxt "input"
+msgid "Customer"
+msgstr "Client"
+
+#: pkg/invoices.go:220
+msgctxt "input"
+msgid "Number"
+msgstr "Número"
+
+#: pkg/invoices.go:226
+msgctxt "input"
+msgid "Invoice Date"
+msgstr "Data de factura"
+
+#: pkg/invoices.go:232
+msgctxt "input"
+msgid "Notes"
+msgstr "Notes"
+
+#: pkg/invoices.go:268
+msgid "Invoice date can not be empty."
+msgstr "No podeu deixar la data de la factura en blanc."
+
+#: pkg/invoices.go:269
+msgid "Invoice date must be a valid date."
+msgstr "La data de facturació ha de ser vàlida."
+
+#: pkg/invoices.go:315
+msgctxt "input"
+msgid "Id"
+msgstr "Identificador"
+
+#: pkg/invoices.go:342
+msgctxt "input"
+msgid "Quantity"
+msgstr "Quantitat"
+
+#: pkg/invoices.go:351
+msgctxt "input"
+msgid "Discount (%)"
+msgstr "Descompte (%)"
+
+#: pkg/invoices.go:388
+msgid "Quantity can not be empty."
+msgstr "No podeu deixar la quantitat en blanc."
+
+#: pkg/invoices.go:389
+msgid "Quantity must be a number greater than zero."
+msgstr "La quantitat ha de ser un número major a zero."
+
+#: pkg/invoices.go:391
+msgid "Discount can not be empty."
+msgstr "No podeu deixar el descompte en blanc."
+
+#: pkg/invoices.go:392
+msgid "Discount must be a percentage between 0 and 100."
+msgstr "El descompte ha de ser un percentatge entre 0 i 100."
+
 #: pkg/contacts.go:149
 msgctxt "input"
 msgid "Business name"

po/es.po

@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: numerus\n"
 "Report-Msgid-Bugs-To: jordi@tandem.blog\n"
-"POT-Creation-Date: 2023-02-08 13:43+0100\n"
+"POT-Creation-Date: 2023-02-12 20:51+0100\n"
 "PO-Revision-Date: 2023-01-18 17:45+0100\n"
 "Last-Translator: jordi fita mas <jordi@tandem.blog>\n"
 "Language-Team: Spanish <es@tp.org.es>\n"
@@ -17,6 +17,111 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
 
+#: web/template/invoices/products.gohtml:2
+#: web/template/invoices/products.gohtml:15
+msgctxt "title"
+msgid "Add Products to Invoice"
+msgstr "Añadir productos a la factura"
+
+#: web/template/invoices/products.gohtml:9 web/template/invoices/new.gohtml:9
+#: web/template/invoices/index.gohtml:8 web/template/contacts/new.gohtml:9
+#: web/template/contacts/index.gohtml:8 web/template/contacts/edit.gohtml:9
+#: web/template/profile.gohtml:9 web/template/tax-details.gohtml:8
+#: web/template/products/new.gohtml:9 web/template/products/index.gohtml:8
+#: web/template/products/edit.gohtml:9
+msgctxt "title"
+msgid "Home"
+msgstr "Inicio"
+
+#: web/template/invoices/products.gohtml:10 web/template/invoices/new.gohtml:10
+#: web/template/invoices/index.gohtml:2 web/template/invoices/index.gohtml:9
+msgctxt "title"
+msgid "Invoices"
+msgstr "Facturas"
+
+#: web/template/invoices/products.gohtml:11 web/template/invoices/new.gohtml:2
+#: web/template/invoices/new.gohtml:11 web/template/invoices/new.gohtml:15
+msgctxt "title"
+msgid "New Invoice"
+msgstr "Nueva factura"
+
+#: web/template/invoices/products.gohtml:41
+#: web/template/products/index.gohtml:21
+msgctxt "product"
+msgid "All"
+msgstr "Todos"
+
+#: web/template/invoices/products.gohtml:42
+#: web/template/products/index.gohtml:22
+msgctxt "title"
+msgid "Name"
+msgstr "Nombre"
+
+#: web/template/invoices/products.gohtml:43
+#: web/template/products/index.gohtml:23
+msgctxt "title"
+msgid "Price"
+msgstr "Precio"
+
+#: web/template/invoices/products.gohtml:57
+#: web/template/products/index.gohtml:37
+msgid "No products added yet."
+msgstr "No hay productos."
+
+#: web/template/invoices/products.gohtml:64 web/template/invoices/new.gohtml:37
+msgctxt "action"
+msgid "Add products"
+msgstr "Añadir productos"
+
+#: web/template/invoices/new.gohtml:38
+msgctxt "action"
+msgid "Update"
+msgstr "Actualizar"
+
+#: web/template/invoices/new.gohtml:40 web/template/invoices/index.gohtml:13
+msgctxt "action"
+msgid "New invoice"
+msgstr "Nueva factura"
+
+#: web/template/invoices/index.gohtml:21
+msgctxt "invoice"
+msgid "All"
+msgstr "Todas"
+
+#: web/template/invoices/index.gohtml:22
+msgctxt "title"
+msgid "Date"
+msgstr "Fecha"
+
+#: web/template/invoices/index.gohtml:23
+msgctxt "title"
+msgid "Invoice Num."
+msgstr "Nº factura"
+
+#: web/template/invoices/index.gohtml:24 web/template/contacts/index.gohtml:22
+msgctxt "title"
+msgid "Customer"
+msgstr "Cliente"
+
+#: web/template/invoices/index.gohtml:25
+msgctxt "title"
+msgid "Status"
+msgstr "Estado"
+
+#: web/template/invoices/index.gohtml:26
+msgctxt "title"
+msgid "Label"
+msgstr "Etiqueta"
+
+#: web/template/invoices/index.gohtml:27
+msgctxt "title"
+msgid "Download"
+msgstr "Descargar"
+
+#: web/template/invoices/index.gohtml:45
+msgid "No invoices added yet."
+msgstr "No hay facturas."
+
 #: web/template/dashboard.gohtml:2
 msgctxt "title"
 msgid "Dashboard"
@@ -44,10 +149,15 @@ msgstr "Panel"
 
 #: web/template/app.gohtml:44
 msgctxt "nav"
+msgid "Invoices"
+msgstr "Facturas"
+
+#: web/template/app.gohtml:45
+msgctxt "nav"
 msgid "Products"
 msgstr "Productos"
 
-#: web/template/app.gohtml:45
+#: web/template/app.gohtml:46
 msgctxt "nav"
 msgid "Contacts"
 msgstr "Contactos"
@@ -58,14 +168,6 @@ msgctxt "title"
 msgid "New Contact"
 msgstr "Nuevo contacto"
 
-#: web/template/contacts/new.gohtml:9 web/template/contacts/index.gohtml:8
-#: web/template/contacts/edit.gohtml:9 web/template/profile.gohtml:9
-#: web/template/tax-details.gohtml:8 web/template/products/new.gohtml:9
-#: web/template/products/index.gohtml:8 web/template/products/edit.gohtml:9
-msgctxt "title"
-msgid "Home"
-msgstr "Inicio"
-
 #: web/template/contacts/new.gohtml:10 web/template/contacts/index.gohtml:2
 #: web/template/contacts/index.gohtml:9 web/template/contacts/edit.gohtml:10
 msgctxt "title"
@@ -82,11 +184,6 @@ msgctxt "contact"
 msgid "All"
 msgstr "Todos"
 
-#: web/template/contacts/index.gohtml:22
-msgctxt "title"
-msgid "Customer"
-msgstr "Cliente"
-
 #: web/template/contacts/index.gohtml:23
 msgctxt "title"
 msgid "Email"
@@ -199,25 +296,6 @@ msgctxt "action"
 msgid "New product"
 msgstr "Nuevo producto"
 
-#: web/template/products/index.gohtml:21
-msgctxt "product"
-msgid "All"
-msgstr "Todos"
-
-#: web/template/products/index.gohtml:22
-msgctxt "title"
-msgid "Name"
-msgstr "Nombre"
-
-#: web/template/products/index.gohtml:23
-msgctxt "title"
-msgid "Price"
-msgstr "Precio"
-
-#: web/template/products/index.gohtml:37
-msgid "No products added yet."
-msgstr "No hay productos."
-
 #: web/template/products/edit.gohtml:2 web/template/products/edit.gohtml:15
 msgctxt "title"
 msgid "Edit Product “%s”"
@@ -254,39 +332,40 @@ msgstr "No podéis dejar la contraseña en blanco."
 msgid "Invalid user or password."
 msgstr "Nombre de usuario o contraseña inválido."
 
-#: pkg/products.go:193
+#: pkg/products.go:194 pkg/invoices.go:321
 msgctxt "input"
 msgid "Name"
 msgstr "Nombre"
 
-#: pkg/products.go:199
+#: pkg/products.go:200 pkg/invoices.go:327
 msgctxt "input"
 msgid "Description"
 msgstr "Descripción"
 
-#: pkg/products.go:204
+#: pkg/products.go:205 pkg/invoices.go:332
 msgctxt "input"
 msgid "Price"
 msgstr "Precio"
 
-#: pkg/products.go:214
+#: pkg/products.go:215 pkg/invoices.go:237 pkg/invoices.go:361
 msgctxt "input"
 msgid "Taxes"
 msgstr "Impuestos"
 
-#: pkg/products.go:234 pkg/profile.go:92
+#: pkg/products.go:235 pkg/profile.go:92 pkg/invoices.go:267
+#: pkg/invoices.go:384
 msgid "Name can not be empty."
 msgstr "No podéis dejar el nombre en blanco."
 
-#: pkg/products.go:235
+#: pkg/products.go:236 pkg/invoices.go:385
 msgid "Price can not be empty."
 msgstr "No podéis dejar el precio en blanco."
 
-#: pkg/products.go:236
+#: pkg/products.go:237 pkg/invoices.go:386
 msgid "Price must be a number greater than zero."
 msgstr "El precio tiene que ser un número mayor a cero."
 
-#: pkg/products.go:238
+#: pkg/products.go:239 pkg/invoices.go:271 pkg/invoices.go:394
 msgid "Selected tax is not valid."
 msgstr "Habéis escogido un impuesto que no es válido."
 
@@ -349,6 +428,73 @@ msgstr "La confirmación no corresponde con la contraseña."
 msgid "Selected language is not valid."
 msgstr "Habéis escogido un idioma que no es válido."
 
+#: pkg/invoices.go:66
+msgid "Select a customer to bill."
+msgstr "Escoged un cliente a facturar."
+
+#: pkg/invoices.go:163
+msgid "Invalid action"
+msgstr "Acción inválida."
+
+#: pkg/invoices.go:214
+msgctxt "input"
+msgid "Customer"
+msgstr "Cliente"
+
+#: pkg/invoices.go:220
+msgctxt "input"
+msgid "Number"
+msgstr "Número"
+
+#: pkg/invoices.go:226
+msgctxt "input"
+msgid "Invoice Date"
+msgstr "Fecha de factura"
+
+#: pkg/invoices.go:232
+msgctxt "input"
+msgid "Notes"
+msgstr "Notas"
+
+#: pkg/invoices.go:268
+msgid "Invoice date can not be empty."
+msgstr "No podéis dejar la fecha de la factura en blanco."
+
+#: pkg/invoices.go:269
+msgid "Invoice date must be a valid date."
+msgstr "La fecha de factura debe ser válida."
+
+#: pkg/invoices.go:315
+msgctxt "input"
+msgid "Id"
+msgstr "Identificador"
+
+#: pkg/invoices.go:342
+msgctxt "input"
+msgid "Quantity"
+msgstr "Cantidad"
+
+#: pkg/invoices.go:351
+msgctxt "input"
+msgid "Discount (%)"
+msgstr "Descuento (%)"
+
+#: pkg/invoices.go:388
+msgid "Quantity can not be empty."
+msgstr "No podéis dejar la cantidad en blanco."
+
+#: pkg/invoices.go:389
+msgid "Quantity must be a number greater than zero."
+msgstr "La cantidad tiene que ser un número mayor a cero."
+
+#: pkg/invoices.go:391
+msgid "Discount can not be empty."
+msgstr "No podéis dejar el descuento en blanco."
+
+#: pkg/invoices.go:392
+msgid "Discount must be a percentage between 0 and 100."
+msgstr "El descuento tiene que ser un percentage entre 0 y 100."
+
 #: pkg/contacts.go:149
 msgctxt "input"
 msgid "Business name"

web/template/form.gohtml

@@ -1,10 +1,12 @@
 {{ define "hidden-field" -}}
-    <input type="{{ .Type }}" name="{{ .Name }}" id="{{ .Name }}-field"
+    {{- /*gotype: dev.tandem.ws/tandem/numerus/pkg.InputField*/ -}}
+    <input type="hidden" name="{{ .Name }}"
             {{- range $attribute := .Attributes }} {{$attribute}} {{ end }}
-            {{ if .Required }}required="required"{{ end }} value="{{ .Val }}">
+           value="{{ .Val }}">
 {{- end }}
 
 {{ define "input-field" -}}
+    {{- /*gotype: dev.tandem.ws/tandem/numerus/pkg.InputField*/ -}}
     <div class="input {{ if .Errors }}has-errors{{ end }}">
         {{ if eq .Type "textarea" }}
             <textarea name="{{ .Name }}" id="{{ .Name }}-field"
@@ -27,7 +29,17 @@
     </div>
 {{- end }}
 
+{{ define "hidden-select-field" -}}
+    {{- /*gotype: dev.tandem.ws/tandem/numerus/pkg.SelectField*/ -}}
+    {{- range $selected := .Selected }}
+        <input type="hidden" name="{{ $.Name }}"
+                {{- range $attribute := $.Attributes }} {{$attribute}} {{ end }}
+               value="{{ . }}">
+    {{- end }}
+{{- end }}
+
 {{ define "select-field" -}}
+    {{- /*gotype: dev.tandem.ws/tandem/numerus/pkg.SelectField*/ -}}
     <div class="input {{ if .Errors }}has-errors{{ end }}">
         <select id="{{ .Name }}-field" name="{{ .Name }}"
                 {{- range $attribute := .Attributes }} {{$attribute}} {{ end -}}

web/template/invoices/index.gohtml

@@ -28,9 +28,23 @@
         </tr>
         </thead>
         <tbody>
+        {{ with .Invoices }}
+            {{- range $invoice := . }}
+                <tr>
+                    <td></td>
+                    <td>{{ .Date|formatDate }}</td>
+                    <td><a href="{{ companyURI "/invoices/"}}{{ .Slug }}">{{ .Number }}</a></td>
+                    <td><a href="{{ companyURI "/contacts/"}}{{ .CustomerSlug }}">{{ .CustomerName }}</a></td>
+                    <td class="invoice-status-{{ .Status }}">{{ .StatusLabel }}</td>
+                    <td></td>
+                    <td></td>
+                </tr>
+            {{- end }}
+        {{ else }}
             <tr>
                 <td colspan="7">{{( gettext "No invoices added yet." )}}</td>
             </tr>
+        {{ end }}
         </tbody>
     </table>
 {{- end }}

web/template/invoices/new.gohtml

@@ -34,7 +34,10 @@
             {{- end }}
 
             <fieldset>
-                <button class="primary" name="action" value="add" type="submit">{{( pgettext "New invoice" "action" )}}</button>
+                <button name="action" value="products" type="submit">{{( pgettext "Add products" "action" )}}</button>
+                <button name="action" value="update" type="submit">{{( pgettext "Update" "action" )}}</button>
+                <button class="primary" name="action" value="add"
+                        type="submit">{{( pgettext "New invoice" "action" )}}</button>
             </fieldset>
 
         </form>

web/template/invoices/products.gohtml

@@ -0,0 +1,68 @@
+{{ define "title" -}}
+    {{( pgettext "Add Products to Invoice" "title" )}}
+{{- end }}
+
+{{ define "content" }}
+    {{- /*gotype: dev.tandem.ws/tandem/numerus/pkg.newInvoiceProductsPage*/ -}}
+    <nav>
+        <p>
+            <a href="{{ companyURI "/" }}">{{( pgettext "Home" "title" )}}</a> /
+            <a href="{{ companyURI "/invoices"}}">{{( pgettext "Invoices" "title" )}}</a> /
+            <a>{{( pgettext "New Invoice" "title" )}}</a>
+        </p>
+    </nav>
+    <section class="dialog-content">
+        <h2>{{(pgettext "Add Products to Invoice" "title")}}</h2>
+        <form method="POST" action="{{ companyURI "/invoices/new/products" }}">
+            {{ csrfToken }}
+
+            {{- with .Form }}
+                {{ template "hidden-select-field" .Customer }}
+                {{ template "hidden-field" .Number }}
+                {{ template "hidden-field" .Date }}
+                {{ template "hidden-field" .Notes }}
+
+                {{- range $product := .Products }}
+                    <fieldset>
+                        {{ template "hidden-field" .ProductId }}
+                        {{ template "hidden-field" .Name }}
+                        {{ template "hidden-field" .Description }}
+                        {{ template "hidden-field" .Price }}
+                        {{ template "hidden-field" .Quantity }}
+                        {{ template "hidden-field" .Discount }}
+                        {{ template "hidden-select-field" .Tax }}
+                    </fieldset>
+                {{- end }}
+            {{- end }}
+
+            <table>
+                <thead>
+                <tr>
+                    <th>{{( pgettext "All" "product" )}}</th>
+                    <th>{{( pgettext "Name" "title" )}}</th>
+                    <th>{{( pgettext "Price" "title" )}}</th>
+                </tr>
+                </thead>
+                <tbody>
+                {{ with .Products }}
+                    {{- range $product, $key := . }}
+                        <tr>
+                            <td><input type="checkbox" name="id" id="new-product-id-{{$key}}" value="{{.Id}}"></td>
+                            <td><label for="new-product-id-{{$key}}">{{ .Name }}</label></td>
+                            <td>{{ .Price | formatPrice }}</td>
+                        </tr>
+                    {{- end }}
+                {{ else }}
+                    <tr>
+                        <td colspan="4">{{( gettext "No products added yet." )}}</td>
+                    </tr>
+                {{ end }}
+                </tbody>
+            </table>
+
+            <fieldset>
+                <button class="primary" type="submit">{{( pgettext "Add products" "action" )}}</button>
+            </fieldset>
+        </form>
+    </section>
+{{- end }}