1080 lines
34 KiB
Go
1080 lines
34 KiB
Go
package pkg
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import (
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"archive/zip"
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"bytes"
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"context"
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"errors"
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"fmt"
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"github.com/julienschmidt/httprouter"
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"html/template"
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"io"
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"log"
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"math"
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"net/http"
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"os"
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"os/exec"
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"sort"
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"strconv"
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"strings"
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"time"
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)
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type InvoiceEntry struct {
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Slug string
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Date time.Time
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Number string
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Total string
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CustomerName string
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Tags []string
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Status string
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StatusLabel string
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}
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type InvoicesIndexPage struct {
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Invoices []*InvoiceEntry
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Filters *invoiceFilterForm
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InvoiceStatuses map[string]string
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}
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func IndexInvoices(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
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conn := getConn(r)
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locale := getLocale(r)
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company := mustGetCompany(r)
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filters := newInvoiceFilterForm(r.Context(), conn, locale, company)
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if err := filters.Parse(r); err != nil {
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http.Error(w, err.Error(), http.StatusBadRequest)
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return
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}
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page := &InvoicesIndexPage{
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Invoices: mustCollectInvoiceEntries(r.Context(), conn, company, locale, filters),
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Filters: filters,
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InvoiceStatuses: mustCollectInvoiceStatuses(r.Context(), conn, locale),
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}
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mustRenderMainTemplate(w, r, "invoices/index.gohtml", page)
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}
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func mustCollectInvoiceEntries(ctx context.Context, conn *Conn, company *Company, locale *Locale, filters *invoiceFilterForm) []*InvoiceEntry {
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args := []interface{}{locale.Language.String(), company.Id}
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where := []string{"invoice.company_id = $2"}
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appendWhere := func(expression string, value interface{}) {
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args = append(args, value)
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where = append(where, fmt.Sprintf(expression, len(args)))
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}
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maybeAppendWhere := func(expression string, value string, conv func(string) interface{}) {
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if value != "" {
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if conv == nil {
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appendWhere(expression, value)
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} else {
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appendWhere(expression, conv(value))
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}
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}
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}
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maybeAppendWhere("contact_id = $%d", filters.Customer.String(), func(v string) interface{} {
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customerId, _ := strconv.Atoi(filters.Customer.Selected[0])
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return customerId
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})
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maybeAppendWhere("invoice.invoice_status = $%d", filters.InvoiceStatus.String(), nil)
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maybeAppendWhere("invoice_number = $%d", filters.InvoiceNumber.String(), nil)
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maybeAppendWhere("invoice_date >= $%d", filters.FromDate.String(), nil)
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maybeAppendWhere("invoice_date <= $%d", filters.ToDate.String(), nil)
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if len(filters.Tags.Tags) > 0 {
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if filters.TagsCondition.Selected == "and" {
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appendWhere("invoice.tags @> $%d", filters.Tags)
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} else {
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appendWhere("invoice.tags && $%d", filters.Tags)
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}
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}
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rows := conn.MustQuery(ctx, fmt.Sprintf(`
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select invoice.slug
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, invoice_date
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, invoice_number
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, contact.business_name
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, invoice.tags
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, invoice.invoice_status
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, isi18n.name
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, to_price(total, decimal_digits)
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from invoice
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join contact using (contact_id)
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join invoice_status_i18n isi18n on invoice.invoice_status = isi18n.invoice_status and isi18n.lang_tag = $1
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join invoice_amount using (invoice_id)
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join currency using (currency_code)
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where (%s)
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order by invoice_date desc
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, invoice_number desc
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`, strings.Join(where, ") AND (")), args...)
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defer rows.Close()
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var entries []*InvoiceEntry
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for rows.Next() {
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entry := &InvoiceEntry{}
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if err := rows.Scan(&entry.Slug, &entry.Date, &entry.Number, &entry.CustomerName, &entry.Tags, &entry.Status, &entry.StatusLabel, &entry.Total); err != nil {
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panic(err)
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}
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entries = append(entries, entry)
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}
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if rows.Err() != nil {
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panic(rows.Err())
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}
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return entries
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}
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func mustCollectInvoiceStatuses(ctx context.Context, conn *Conn, locale *Locale) map[string]string {
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rows := conn.MustQuery(ctx, "select invoice_status.invoice_status, isi18n.name from invoice_status join invoice_status_i18n isi18n using(invoice_status) where isi18n.lang_tag = $1 order by invoice_status", locale.Language.String())
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defer rows.Close()
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statuses := map[string]string{}
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for rows.Next() {
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var key, name string
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if err := rows.Scan(&key, &name); err != nil {
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panic(err)
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}
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statuses[key] = name
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}
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if rows.Err() != nil {
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panic(rows.Err())
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}
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return statuses
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}
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type invoiceFilterForm struct {
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locale *Locale
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company *Company
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Customer *SelectField
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InvoiceStatus *SelectField
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InvoiceNumber *InputField
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FromDate *InputField
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ToDate *InputField
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Tags *TagsField
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TagsCondition *ToggleField
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}
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func newInvoiceFilterForm(ctx context.Context, conn *Conn, locale *Locale, company *Company) *invoiceFilterForm {
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return &invoiceFilterForm{
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locale: locale,
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company: company,
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Customer: &SelectField{
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Name: "customer",
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Label: pgettext("input", "Customer", locale),
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EmptyLabel: gettext("All customers", locale),
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Options: MustGetOptions(ctx, conn, "select contact_id::text, business_name from contact where company_id = $1 order by business_name", company.Id),
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},
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InvoiceStatus: &SelectField{
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Name: "invoice_status",
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Label: pgettext("input", "Invoice Status", locale),
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EmptyLabel: gettext("All status", locale),
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Options: MustGetOptions(ctx, conn, "select invoice_status.invoice_status, isi18n.name from invoice_status join invoice_status_i18n isi18n using(invoice_status) where isi18n.lang_tag = $1 order by invoice_status", locale.Language.String()),
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},
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InvoiceNumber: &InputField{
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Name: "number",
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Label: pgettext("input", "Invoice Number", locale),
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Type: "search",
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},
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FromDate: &InputField{
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Name: "from_date",
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Label: pgettext("input", "From Date", locale),
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Type: "date",
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},
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ToDate: &InputField{
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Name: "to_date",
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Label: pgettext("input", "To Date", locale),
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Type: "date",
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},
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Tags: &TagsField{
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Name: "tags",
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Label: pgettext("input", "Tags", locale),
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},
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TagsCondition: &ToggleField{
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Name: "tags_condition",
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Label: pgettext("input", "Tags Condition", locale),
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Selected: "and",
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FirstOption: &ToggleOption{
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Value: "and",
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Label: pgettext("tag condition", "All", locale),
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Description: gettext("Invoices must have all the specified labels.", locale),
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},
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SecondOption: &ToggleOption{
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Value: "or",
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Label: pgettext("tag condition", "Any", locale),
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Description: gettext("Invoices must have at least one of the specified labels.", locale),
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},
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},
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}
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}
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func (form *invoiceFilterForm) Parse(r *http.Request) error {
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if err := r.ParseForm(); err != nil {
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return err
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}
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form.Customer.FillValue(r)
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form.InvoiceStatus.FillValue(r)
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form.InvoiceNumber.FillValue(r)
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form.FromDate.FillValue(r)
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form.ToDate.FillValue(r)
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form.Tags.FillValue(r)
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form.TagsCondition.FillValue(r)
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return nil
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}
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func ServeInvoice(w http.ResponseWriter, r *http.Request, params httprouter.Params) {
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conn := getConn(r)
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company := mustGetCompany(r)
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slug := params[0].Value
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switch slug {
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case "new":
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locale := getLocale(r)
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form := newInvoiceForm(r.Context(), conn, locale, company)
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if invoiceToDuplicate := r.URL.Query().Get("duplicate"); invoiceToDuplicate != "" {
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form.MustFillFromDatabase(r.Context(), conn, invoiceToDuplicate)
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form.InvoiceStatus.Selected = []string{"created"}
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}
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form.Date.Val = time.Now().Format("2006-01-02")
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w.WriteHeader(http.StatusOK)
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mustRenderNewInvoiceForm(w, r, form)
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case "product-form":
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company := mustGetCompany(r)
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query := r.URL.Query()
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index, _ := strconv.Atoi(query.Get("index"))
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conn := getConn(r)
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form := newInvoiceProductForm(index, company, getLocale(r), mustGetTaxOptions(r.Context(), conn, company))
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slug := query.Get("slug")
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if len(slug) > 0 {
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if !form.MustFillFromDatabase(r.Context(), conn, slug) {
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http.NotFound(w, r)
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return
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}
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quantity, _ := strconv.Atoi(query.Get("product.quantity." + strconv.Itoa(index)))
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if quantity > 0 {
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form.Quantity.Val = strconv.Itoa(quantity)
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}
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w.Header().Set(HxTriggerAfterSettle, "recompute")
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}
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mustRenderStandaloneTemplate(w, r, "invoices/product-form.gohtml", form)
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default:
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pdf := false
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if strings.HasSuffix(slug, ".pdf") {
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pdf = true
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slug = slug[:len(slug)-len(".pdf")]
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}
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inv := mustGetInvoice(r.Context(), conn, company, slug)
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if inv == nil {
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http.NotFound(w, r)
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return
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}
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if pdf {
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w.Header().Set("Content-Type", "application/pdf")
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mustWriteInvoicePdf(w, r, inv)
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} else {
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mustRenderMainTemplate(w, r, "invoices/view.gohtml", inv)
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}
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}
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}
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func mustWriteInvoicePdf(w io.Writer, r *http.Request, inv *invoice) {
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cmd := exec.Command("weasyprint", "--format", "pdf", "--stylesheet", "web/static/invoice.css", "-", "-")
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var stderr bytes.Buffer
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cmd.Stderr = &stderr
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stdin, err := cmd.StdinPipe()
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if err != nil {
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panic(err)
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}
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stdout, err := cmd.StdoutPipe()
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if err != nil {
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panic(err)
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}
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defer func() {
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err := stdout.Close()
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if !errors.Is(err, os.ErrClosed) {
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panic(err)
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}
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}()
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if err = cmd.Start(); err != nil {
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panic(err)
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}
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go func() {
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defer mustClose(stdin)
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mustRenderAppTemplate(stdin, r, "invoices/view.gohtml", inv)
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}()
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if _, err = io.Copy(w, stdout); err != nil {
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panic(err)
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}
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if err := cmd.Wait(); err != nil {
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log.Printf("ERR - %v\n", stderr.String())
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panic(err)
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}
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}
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func mustClose(closer io.Closer) {
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if err := closer.Close(); err != nil {
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panic(err)
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}
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}
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type invoice struct {
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Number string
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Slug string
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Date time.Time
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Invoicer taxDetails
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Invoicee taxDetails
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Notes string
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PaymentInstructions string
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Products []*invoiceProduct
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Subtotal string
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Taxes [][]string
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TaxClasses []string
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HasDiscounts bool
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Total string
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LegalDisclaimer string
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}
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type taxDetails struct {
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Name string
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VATIN string
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Address string
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City string
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PostalCode string
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Province string
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Email string
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Phone string
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}
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type invoiceProduct struct {
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Name string
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Description string
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Price string
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Discount int
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Quantity int
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Taxes map[string]int
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Subtotal string
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Total string
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}
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func mustGetInvoice(ctx context.Context, conn *Conn, company *Company, slug string) *invoice {
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inv := &invoice{
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Slug: slug,
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}
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var invoiceId int
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var decimalDigits int
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if notFoundErrorOrPanic(conn.QueryRow(ctx, "select invoice_id, decimal_digits, invoice_number, invoice_date, notes, instructions, business_name, vatin, phone, email, address, city, province, postal_code, to_price(subtotal, decimal_digits), to_price(total, decimal_digits) from invoice join payment_method using (payment_method_id) join contact using (contact_id) join invoice_amount using (invoice_id) join currency using (currency_code) where invoice.slug = $1", slug).Scan(&invoiceId, &decimalDigits, &inv.Number, &inv.Date, &inv.Notes, &inv.PaymentInstructions, &inv.Invoicee.Name, &inv.Invoicee.VATIN, &inv.Invoicee.Phone, &inv.Invoicee.Email, &inv.Invoicee.Address, &inv.Invoicee.City, &inv.Invoicee.Province, &inv.Invoicee.PostalCode, &inv.Subtotal, &inv.Total)) {
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return nil
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}
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if err := conn.QueryRow(ctx, "select business_name, vatin, phone, email, address, city, province, postal_code, legal_disclaimer from company where company_id = $1", company.Id).Scan(&inv.Invoicer.Name, &inv.Invoicer.VATIN, &inv.Invoicer.Phone, &inv.Invoicer.Email, &inv.Invoicer.Address, &inv.Invoicer.City, &inv.Invoicer.Province, &inv.Invoicer.PostalCode, &inv.LegalDisclaimer); err != nil {
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panic(err)
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}
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if err := conn.QueryRow(ctx, "select array_agg(array[name, to_price(amount, $2)]) from invoice_tax_amount join tax using (tax_id) where invoice_id = $1", invoiceId, decimalDigits).Scan(&inv.Taxes); err != nil {
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panic(err)
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}
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rows := conn.MustQuery(ctx, "select invoice_product.name, description, to_price(price, $2), (discount_rate * 100)::integer, quantity, to_price(subtotal, $2), to_price(total, $2), array_agg(array[tax_class.name, (tax_rate * 100)::integer::text]) filter (where tax_rate is not null) from invoice_product join invoice_product_amount using (invoice_product_id) left join invoice_product_tax using (invoice_product_id) left join tax using (tax_id) left join tax_class using (tax_class_id) where invoice_id = $1 group by invoice_product.name, description, discount_rate, price, quantity, subtotal, total", invoiceId, decimalDigits)
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defer rows.Close()
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taxClasses := map[string]bool{}
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for rows.Next() {
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product := &invoiceProduct{
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Taxes: make(map[string]int),
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}
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var taxes [][]string
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if err := rows.Scan(&product.Name, &product.Description, &product.Price, &product.Discount, &product.Quantity, &product.Subtotal, &product.Total, &taxes); err != nil {
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panic(err)
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}
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for _, tax := range taxes {
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taxClass := tax[0]
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taxClasses[taxClass] = true
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product.Taxes[taxClass], _ = strconv.Atoi(tax[1])
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}
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if product.Discount > 0 {
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inv.HasDiscounts = true
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}
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inv.Products = append(inv.Products, product)
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}
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for taxClass := range taxClasses {
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inv.TaxClasses = append(inv.TaxClasses, taxClass)
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}
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sort.Strings(inv.TaxClasses)
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if rows.Err() != nil {
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panic(rows.Err())
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}
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return inv
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}
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type newInvoicePage struct {
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Form *invoiceForm
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Subtotal string
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Taxes [][]string
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Total string
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}
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func newNewInvoicePage(form *invoiceForm, r *http.Request) *newInvoicePage {
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page := &newInvoicePage{
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Form: form,
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}
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conn := getConn(r)
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company := mustGetCompany(r)
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err := conn.QueryRow(r.Context(), "select subtotal, taxes, total from compute_new_invoice_amount($1, $2)", company.Id, NewInvoiceProductArray(form.Products)).Scan(&page.Subtotal, &page.Taxes, &page.Total)
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if err != nil {
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panic(err)
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}
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return page
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}
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func mustRenderNewInvoiceForm(w http.ResponseWriter, r *http.Request, form *invoiceForm) {
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locale := getLocale(r)
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form.Customer.EmptyLabel = gettext("Select a customer to bill.", locale)
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page := newNewInvoicePage(form, r)
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mustRenderMainTemplate(w, r, "invoices/new.gohtml", page)
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}
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func mustRenderNewInvoiceProductsForm(w http.ResponseWriter, r *http.Request, action string, form *invoiceForm) {
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conn := getConn(r)
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company := mustGetCompany(r)
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page := newInvoiceProductsPage{
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Action: companyURI(company, action),
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Form: form,
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Products: mustGetProductChoices(r.Context(), conn, company),
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}
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mustRenderMainTemplate(w, r, "invoices/products.gohtml", page)
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}
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func mustGetProductChoices(ctx context.Context, conn *Conn, company *Company) []*productChoice {
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rows := conn.MustQuery(ctx, "select product.slug, 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)
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defer rows.Close()
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var choices []*productChoice
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for rows.Next() {
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entry := &productChoice{}
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if err := rows.Scan(&entry.Slug, &entry.Name, &entry.Price); err != nil {
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panic(err)
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}
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choices = append(choices, entry)
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}
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if rows.Err() != nil {
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panic(rows.Err())
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}
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return choices
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}
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type newInvoiceProductsPage struct {
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Action string
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Form *invoiceForm
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Products []*productChoice
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}
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type productChoice struct {
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Slug string
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Name string
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Price string
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}
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func HandleAddInvoice(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
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locale := getLocale(r)
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conn := getConn(r)
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company := mustGetCompany(r)
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form := newInvoiceForm(r.Context(), conn, locale, company)
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if err := form.Parse(r); err != nil {
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http.Error(w, err.Error(), http.StatusBadRequest)
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return
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}
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if err := verifyCsrfTokenValid(r); err != nil {
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http.Error(w, err.Error(), http.StatusForbidden)
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return
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}
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if !form.Validate() {
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if !IsHTMxRequest(r) {
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w.WriteHeader(http.StatusUnprocessableEntity)
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}
|
|
mustRenderNewInvoiceForm(w, r, form)
|
|
return
|
|
}
|
|
slug := conn.MustGetText(r.Context(), "", "select add_invoice($1, $2, $3, $4, $5, $6, $7)", company.Id, form.Date, form.Customer, form.Notes, form.PaymentMethod, form.Tags, NewInvoiceProductArray(form.Products))
|
|
htmxRedirect(w, r, companyURI(company, "/invoices/"+slug))
|
|
}
|
|
|
|
func HandleNewInvoiceAction(w http.ResponseWriter, r *http.Request, params httprouter.Params) {
|
|
switch params[0].Value {
|
|
case "new":
|
|
handleInvoiceAction(w, r, "/invoices/new", mustRenderNewInvoiceForm)
|
|
case "batch":
|
|
HandleBatchInvoiceAction(w, r, params)
|
|
default:
|
|
http.Error(w, "Method Not Allowed", http.StatusMethodNotAllowed)
|
|
}
|
|
}
|
|
|
|
func HandleBatchInvoiceAction(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
|
|
if err := r.ParseForm(); err != nil {
|
|
http.Error(w, err.Error(), http.StatusBadRequest)
|
|
return
|
|
}
|
|
if err := verifyCsrfTokenValid(r); err != nil {
|
|
http.Error(w, err.Error(), http.StatusForbidden)
|
|
return
|
|
}
|
|
slugs := r.Form["invoice"]
|
|
if len(slugs) == 0 {
|
|
http.Redirect(w, r, companyURI(mustGetCompany(r), "/invoices"), http.StatusSeeOther)
|
|
return
|
|
}
|
|
locale := getLocale(r)
|
|
switch r.Form.Get("action") {
|
|
case "download":
|
|
invoices := mustWriteInvoicesPdf(r, slugs)
|
|
w.Header().Set("Content-Type", "application/zip")
|
|
w.Header().Set("Content-Disposition", fmt.Sprintf("attachment; filename=%s", gettext("invoices.zip", locale)))
|
|
w.WriteHeader(http.StatusOK)
|
|
if _, err := w.Write(invoices); err != nil {
|
|
panic(err)
|
|
}
|
|
default:
|
|
http.Error(w, gettext("Invalid action", locale), http.StatusBadRequest)
|
|
}
|
|
}
|
|
|
|
func mustWriteInvoicesPdf(r *http.Request, slugs []string) []byte {
|
|
conn := getConn(r)
|
|
company := mustGetCompany(r)
|
|
buf := new(bytes.Buffer)
|
|
w := zip.NewWriter(buf)
|
|
for _, slug := range slugs {
|
|
inv := mustGetInvoice(r.Context(), conn, company, slug)
|
|
if inv == nil {
|
|
continue
|
|
}
|
|
f, err := w.Create(inv.Number + ".pdf")
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
mustWriteInvoicePdf(f, r, inv)
|
|
}
|
|
mustClose(w)
|
|
return buf.Bytes()
|
|
}
|
|
|
|
type invoiceForm struct {
|
|
locale *Locale
|
|
company *Company
|
|
Number string
|
|
InvoiceStatus *SelectField
|
|
Customer *SelectField
|
|
Date *InputField
|
|
Notes *InputField
|
|
PaymentMethod *SelectField
|
|
Tags *TagsField
|
|
Products []*invoiceProductForm
|
|
}
|
|
|
|
func newInvoiceForm(ctx context.Context, conn *Conn, locale *Locale, company *Company) *invoiceForm {
|
|
return &invoiceForm{
|
|
locale: locale,
|
|
company: company,
|
|
InvoiceStatus: &SelectField{
|
|
Name: "invoice_status",
|
|
Required: true,
|
|
Label: pgettext("input", "Invoice Status", locale),
|
|
Selected: []string{"created"},
|
|
Options: MustGetOptions(ctx, conn, "select invoice_status.invoice_status, isi18n.name from invoice_status join invoice_status_i18n isi18n using(invoice_status) where isi18n.lang_tag = $1 order by invoice_status", locale.Language.String()),
|
|
},
|
|
Customer: &SelectField{
|
|
Name: "customer",
|
|
Label: pgettext("input", "Customer", locale),
|
|
Required: true,
|
|
Options: MustGetOptions(ctx, conn, "select contact_id::text, business_name from contact where company_id = $1 order by business_name", company.Id),
|
|
},
|
|
Date: &InputField{
|
|
Name: "date",
|
|
Label: pgettext("input", "Invoice Date", locale),
|
|
Type: "date",
|
|
Required: true,
|
|
},
|
|
Notes: &InputField{
|
|
Name: "notes",
|
|
Label: pgettext("input", "Notes", locale),
|
|
Type: "textarea",
|
|
},
|
|
Tags: &TagsField{
|
|
Name: "tags",
|
|
Label: pgettext("input", "Tags", locale),
|
|
},
|
|
PaymentMethod: &SelectField{
|
|
Name: "payment_method",
|
|
Required: true,
|
|
Label: pgettext("input", "Payment Method", locale),
|
|
Selected: []string{conn.MustGetText(ctx, "", "select default_payment_method_id::text from company where company_id = $1", company.Id)},
|
|
Options: MustGetOptions(ctx, conn, "select payment_method_id::text, name from payment_method where company_id = $1", company.Id),
|
|
},
|
|
}
|
|
}
|
|
|
|
func (form *invoiceForm) Parse(r *http.Request) error {
|
|
if err := r.ParseForm(); err != nil {
|
|
return err
|
|
}
|
|
form.InvoiceStatus.FillValue(r)
|
|
form.Customer.FillValue(r)
|
|
form.Date.FillValue(r)
|
|
form.Notes.FillValue(r)
|
|
form.Tags.FillValue(r)
|
|
form.PaymentMethod.FillValue(r)
|
|
if _, ok := r.Form["product.id.0"]; ok {
|
|
taxOptions := mustGetTaxOptions(r.Context(), getConn(r), form.company)
|
|
for index := 0; true; index++ {
|
|
if _, ok := r.Form["product.id."+strconv.Itoa(index)]; !ok {
|
|
break
|
|
}
|
|
productForm := newInvoiceProductForm(index, form.company, form.locale, taxOptions)
|
|
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.InvoiceStatus, gettext("Selected invoice status is not valid.", form.locale))
|
|
validator.CheckValidSelectOption(form.Customer, gettext("Selected customer is not valid.", 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.PaymentMethod, gettext("Selected payment method 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
|
|
for n, product := range products {
|
|
if product.Quantity.Val != "0" {
|
|
product.Update()
|
|
if n != len(form.Products) {
|
|
product.Index = len(form.Products)
|
|
product.Rename()
|
|
}
|
|
form.Products = append(form.Products, product)
|
|
}
|
|
}
|
|
}
|
|
|
|
const selectProductBySlug = `
|
|
select ''
|
|
, product_id
|
|
, name
|
|
, description
|
|
, to_price(price, decimal_digits)
|
|
, 1 as quantity
|
|
, 0 as discount
|
|
, array_remove(array_agg(tax_id), null)
|
|
from product
|
|
join company using (company_id)
|
|
join currency using (currency_code)
|
|
left join product_tax using (product_id)
|
|
where product.slug = any ($1)
|
|
group by product_id
|
|
, name
|
|
, description
|
|
, price
|
|
, decimal_digits
|
|
`
|
|
|
|
func (form *invoiceForm) AddProducts(ctx context.Context, conn *Conn, productsSlug []string) {
|
|
form.mustAddProductsFromQuery(ctx, conn, selectProductBySlug, productsSlug)
|
|
}
|
|
|
|
func (form *invoiceForm) mustAddProductsFromQuery(ctx context.Context, conn *Conn, sql string, args ...interface{}) {
|
|
index := len(form.Products)
|
|
taxOptions := mustGetTaxOptions(ctx, conn, form.company)
|
|
rows := conn.MustQuery(ctx, sql, args...)
|
|
defer rows.Close()
|
|
for rows.Next() {
|
|
product := newInvoiceProductForm(index, form.company, form.locale, taxOptions)
|
|
if err := rows.Scan(product.InvoiceProductId, 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())
|
|
}
|
|
}
|
|
|
|
func (form *invoiceForm) MustFillFromDatabase(ctx context.Context, conn *Conn, slug string) bool {
|
|
var invoiceId int
|
|
selectedInvoiceStatus := form.InvoiceStatus.Selected
|
|
form.InvoiceStatus.Clear()
|
|
selectedPaymentMethod := form.PaymentMethod.Selected
|
|
form.PaymentMethod.Clear()
|
|
if notFoundErrorOrPanic(conn.QueryRow(ctx, `
|
|
select invoice_id
|
|
, invoice_status
|
|
, contact_id
|
|
, invoice_number
|
|
, invoice_date
|
|
, notes
|
|
, payment_method_id
|
|
, array_to_string(tags, ',')
|
|
from invoice
|
|
where slug = $1
|
|
`, slug).Scan(&invoiceId, form.InvoiceStatus, form.Customer, &form.Number, form.Date, form.Notes, form.PaymentMethod, form.Tags)) {
|
|
form.PaymentMethod.Selected = selectedPaymentMethod
|
|
form.InvoiceStatus.Selected = selectedInvoiceStatus
|
|
return false
|
|
}
|
|
form.Products = []*invoiceProductForm{}
|
|
form.mustAddProductsFromQuery(ctx, conn, "select invoice_product_id::text, coalesce(product_id, 0), name, description, to_price(price, $2), quantity, (discount_rate * 100)::integer, array_remove(array_agg(tax_id), null) from invoice_product left join invoice_product_product using (invoice_product_id) left join invoice_product_tax using (invoice_product_id) where invoice_id = $1 group by invoice_product_id, coalesce(product_id, 0), name, description, discount_rate, price, quantity", invoiceId, form.company.DecimalDigits)
|
|
return true
|
|
}
|
|
|
|
func mustGetTaxOptions(ctx context.Context, conn *Conn, company *Company) []*SelectOption {
|
|
return MustGetGroupedOptions(ctx, conn, "select tax_id::text, tax.name, tax_class.name from tax join tax_class using (tax_class_id) where tax.company_id = $1 order by tax_class.name, tax.name", company.Id)
|
|
}
|
|
|
|
type invoiceProductForm struct {
|
|
locale *Locale
|
|
company *Company
|
|
Index int
|
|
InvoiceProductId *InputField
|
|
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 {
|
|
triggerRecompute := template.HTMLAttr(`data-hx-on="change: this.dispatchEvent(new CustomEvent('recompute', {bubbles: true}))"`)
|
|
form := &invoiceProductForm{
|
|
locale: locale,
|
|
company: company,
|
|
Index: index,
|
|
InvoiceProductId: &InputField{
|
|
Label: pgettext("input", "Id", locale),
|
|
Type: "hidden",
|
|
Required: true,
|
|
},
|
|
ProductId: &InputField{
|
|
Label: pgettext("input", "Id", locale),
|
|
Type: "hidden",
|
|
Required: true,
|
|
},
|
|
Name: &InputField{
|
|
Label: pgettext("input", "Name", locale),
|
|
Type: "text",
|
|
Required: true,
|
|
Is: "numerus-product-search",
|
|
Attributes: []template.HTMLAttr{
|
|
`autocomplete="off"`,
|
|
`data-hx-trigger="keyup changed delay:200"`,
|
|
`data-hx-target="next .options"`,
|
|
`data-hx-indicator="closest div"`,
|
|
`data-hx-swap="innerHTML"`,
|
|
template.HTMLAttr(fmt.Sprintf(`data-hx-get="%v"`, companyURI(company, "/search/products"))),
|
|
},
|
|
},
|
|
Description: &InputField{
|
|
Label: pgettext("input", "Description", locale),
|
|
Type: "textarea",
|
|
},
|
|
Price: &InputField{
|
|
Label: pgettext("input", "Price", locale),
|
|
Type: "number",
|
|
Required: true,
|
|
Attributes: []template.HTMLAttr{
|
|
triggerRecompute,
|
|
`min="0"`,
|
|
template.HTMLAttr(fmt.Sprintf(`step="%v"`, company.MinCents())),
|
|
},
|
|
},
|
|
Quantity: &InputField{
|
|
Label: pgettext("input", "Quantity", locale),
|
|
Type: "number",
|
|
Required: true,
|
|
Attributes: []template.HTMLAttr{
|
|
triggerRecompute,
|
|
`min="0"`,
|
|
},
|
|
},
|
|
Discount: &InputField{
|
|
Label: pgettext("input", "Discount (%)", locale),
|
|
Type: "number",
|
|
Required: true,
|
|
Attributes: []template.HTMLAttr{
|
|
triggerRecompute,
|
|
`min="0"`,
|
|
`max="100"`,
|
|
},
|
|
},
|
|
Tax: &SelectField{
|
|
Label: pgettext("input", "Taxes", locale),
|
|
Multiple: true,
|
|
Options: taxOptions,
|
|
Attributes: []template.HTMLAttr{
|
|
triggerRecompute,
|
|
},
|
|
},
|
|
}
|
|
form.Rename()
|
|
return form
|
|
}
|
|
|
|
func (form *invoiceProductForm) Rename() {
|
|
suffix := "." + strconv.Itoa(form.Index)
|
|
form.InvoiceProductId.Name = "product.invoice_product_id" + suffix
|
|
form.ProductId.Name = "product.id" + suffix
|
|
form.Name.Name = "product.name" + suffix
|
|
form.Description.Name = "product.description" + suffix
|
|
form.Price.Name = "product.price" + suffix
|
|
form.Quantity.Name = "product.quantity" + suffix
|
|
form.Discount.Name = "product.discount" + suffix
|
|
form.Tax.Name = "product.tax" + suffix
|
|
}
|
|
|
|
func (form *invoiceProductForm) Parse(r *http.Request) error {
|
|
if err := r.ParseForm(); err != nil {
|
|
return err
|
|
}
|
|
form.InvoiceProductId.FillValue(r)
|
|
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()
|
|
if form.InvoiceProductId.Val != "" {
|
|
validator.CheckValidInteger(form.ProductId, 1, math.MaxInt32, gettext("Product ID must be a number greater than zero.", form.locale))
|
|
}
|
|
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.MaxInt32, 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))
|
|
validator.CheckAtMostOneOfEachGroup(form.Tax, gettext("You can only select a tax of each class.", form.locale))
|
|
return validator.AllOK()
|
|
}
|
|
|
|
func (form *invoiceProductForm) Update() {
|
|
validator := newFormValidator()
|
|
if !validator.CheckValidDecimal(form.Price, form.company.MinCents(), math.MaxFloat64, "") {
|
|
form.Price.Val = "0.0"
|
|
form.Price.Errors = nil
|
|
}
|
|
if !validator.CheckValidInteger(form.Quantity, 0, math.MaxInt32, "") {
|
|
form.Quantity.Val = "1"
|
|
form.Quantity.Errors = nil
|
|
}
|
|
if !validator.CheckValidInteger(form.Discount, 0, 100, "") {
|
|
form.Discount.Val = "0"
|
|
form.Discount.Errors = nil
|
|
}
|
|
}
|
|
|
|
func (form *invoiceProductForm) MustFillFromDatabase(ctx context.Context, conn *Conn, slug string) bool {
|
|
return !notFoundErrorOrPanic(conn.QueryRow(ctx, selectProductBySlug, []string{slug}).Scan(
|
|
form.InvoiceProductId,
|
|
form.ProductId,
|
|
form.Name,
|
|
form.Description,
|
|
form.Price,
|
|
form.Quantity,
|
|
form.Discount,
|
|
form.Tax))
|
|
}
|
|
|
|
func HandleUpdateInvoice(w http.ResponseWriter, r *http.Request, params 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
|
|
}
|
|
if r.FormValue("quick") == "status" {
|
|
slug := conn.MustGetText(r.Context(), "", "update invoice set invoice_status = $1 where slug = $2 returning slug", form.InvoiceStatus, params[0].Value)
|
|
if slug == "" {
|
|
http.NotFound(w, r)
|
|
}
|
|
htmxRedirect(w, r, companyURI(mustGetCompany(r), "/invoices"))
|
|
} else {
|
|
slug := params[0].Value
|
|
if !form.Validate() {
|
|
if !IsHTMxRequest(r) {
|
|
w.WriteHeader(http.StatusUnprocessableEntity)
|
|
}
|
|
mustRenderEditInvoiceForm(w, r, slug, form)
|
|
return
|
|
}
|
|
slug = conn.MustGetText(r.Context(), "", "select edit_invoice($1, $2, $3, $4, $5, $6, $7)", slug, form.InvoiceStatus, form.Customer, form.Notes, form.PaymentMethod, form.Tags, EditedInvoiceProductArray(form.Products))
|
|
if slug == "" {
|
|
http.NotFound(w, r)
|
|
return
|
|
}
|
|
htmxRedirect(w, r, companyURI(company, "/invoices/"+slug))
|
|
}
|
|
}
|
|
|
|
func htmxRedirect(w http.ResponseWriter, r *http.Request, uri string) {
|
|
if IsHTMxRequest(r) {
|
|
w.Header().Set(HxLocation, MustMarshalHTMxLocation(&HTMxLocation{
|
|
Path: uri,
|
|
Target: "main",
|
|
}))
|
|
w.WriteHeader(http.StatusNoContent)
|
|
} else {
|
|
http.Redirect(w, r, uri, http.StatusSeeOther)
|
|
}
|
|
}
|
|
|
|
func ServeEditInvoice(w http.ResponseWriter, r *http.Request, params httprouter.Params) {
|
|
conn := getConn(r)
|
|
company := mustGetCompany(r)
|
|
slug := params[0].Value
|
|
locale := getLocale(r)
|
|
form := newInvoiceForm(r.Context(), conn, locale, company)
|
|
if !form.MustFillFromDatabase(r.Context(), conn, slug) {
|
|
http.NotFound(w, r)
|
|
return
|
|
}
|
|
w.WriteHeader(http.StatusOK)
|
|
mustRenderEditInvoiceForm(w, r, slug, form)
|
|
}
|
|
|
|
type editInvoicePage struct {
|
|
*newInvoicePage
|
|
Slug string
|
|
Number string
|
|
}
|
|
|
|
func newEditInvoicePage(slug string, form *invoiceForm, r *http.Request) *editInvoicePage {
|
|
return &editInvoicePage{
|
|
newNewInvoicePage(form, r),
|
|
slug,
|
|
form.Number,
|
|
}
|
|
}
|
|
|
|
func mustRenderEditInvoiceForm(w http.ResponseWriter, r *http.Request, slug string, form *invoiceForm) {
|
|
page := newEditInvoicePage(slug, form, r)
|
|
mustRenderMainTemplate(w, r, "invoices/edit.gohtml", page)
|
|
}
|
|
|
|
func HandleEditInvoiceAction(w http.ResponseWriter, r *http.Request, params httprouter.Params) {
|
|
slug := params[0].Value
|
|
actionUri := fmt.Sprintf("/invoices/%s/edit", slug)
|
|
handleInvoiceAction(w, r, actionUri, func(w http.ResponseWriter, r *http.Request, form *invoiceForm) {
|
|
mustRenderEditInvoiceForm(w, r, slug, form)
|
|
})
|
|
}
|
|
|
|
type renderFormFunc func(w http.ResponseWriter, r *http.Request, form *invoiceForm)
|
|
|
|
func handleInvoiceAction(w http.ResponseWriter, r *http.Request, action string, renderForm renderFormFunc) {
|
|
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)
|
|
renderForm(w, r, form)
|
|
case "select-products":
|
|
w.WriteHeader(http.StatusOK)
|
|
mustRenderNewInvoiceProductsForm(w, r, action, form)
|
|
case "add-products":
|
|
form.AddProducts(r.Context(), conn, r.Form["slug"])
|
|
w.WriteHeader(http.StatusOK)
|
|
renderForm(w, r, form)
|
|
default:
|
|
http.Error(w, gettext("Invalid action", locale), http.StatusBadRequest)
|
|
}
|
|
}
|
|
|
|
type tagsForm struct {
|
|
Slug string
|
|
Tags *TagsField
|
|
}
|
|
|
|
func newTagsForm(slug string, locale *Locale) *tagsForm {
|
|
return &tagsForm{
|
|
Slug: slug,
|
|
Tags: &TagsField{
|
|
Name: "tags-" + slug,
|
|
Label: pgettext("input", "Tags", locale),
|
|
},
|
|
}
|
|
}
|
|
|
|
func (form *tagsForm) Parse(r *http.Request) error {
|
|
if err := r.ParseForm(); err != nil {
|
|
return err
|
|
}
|
|
form.Tags.FillValue(r)
|
|
return nil
|
|
}
|
|
|
|
func ServeEditInvoiceTags(w http.ResponseWriter, r *http.Request, params httprouter.Params) {
|
|
conn := getConn(r)
|
|
locale := getLocale(r)
|
|
form := newTagsForm(params[0].Value, locale)
|
|
if notFoundErrorOrPanic(conn.QueryRow(r.Context(), `select array_to_string(tags, ',') from invoice where slug = $1`, form.Slug).Scan(&form.Tags)) {
|
|
http.NotFound(w, r)
|
|
return
|
|
}
|
|
mustRenderStandaloneTemplate(w, r, "tags/edit.gohtml", form)
|
|
}
|
|
|
|
func HandleUpdateInvoiceTags(w http.ResponseWriter, r *http.Request, params httprouter.Params) {
|
|
locale := getLocale(r)
|
|
conn := getConn(r)
|
|
form := newTagsForm(params[0].Value, locale)
|
|
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
|
|
}
|
|
slug := conn.MustGetText(r.Context(), "", "update invoice set tags = $1 where slug = $2 returning slug", form.Tags, form.Slug)
|
|
if slug == "" {
|
|
http.NotFound(w, r)
|
|
}
|
|
mustRenderStandaloneTemplate(w, r, "tags/view.gohtml", form)
|
|
}
|