397 lines
12 KiB
Go
397 lines
12 KiB
Go
package pkg
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import (
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"context"
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"errors"
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"html/template"
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"net/http"
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"net/url"
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"strconv"
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"strings"
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)
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const (
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ContextCompanyKey = "numerus-company"
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)
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type Company struct {
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Id int
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Slug string
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}
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func CompanyHandler(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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slug := r.URL.Path
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if idx := strings.IndexByte(slug, '/'); idx >= 0 {
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slug = slug[:idx]
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}
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conn := getConn(r)
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company := &Company{
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Slug: slug,
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}
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err := conn.QueryRow(r.Context(), "select company_id from company where slug = $1", slug).Scan(&company.Id)
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if err != nil {
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http.NotFound(w, r)
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return
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}
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ctx := context.WithValue(r.Context(), ContextCompanyKey, company)
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r = r.WithContext(ctx)
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// Same as StripPrefix
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p := strings.TrimPrefix(r.URL.Path, slug)
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rp := strings.TrimPrefix(r.URL.RawPath, slug)
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if len(p) < len(r.URL.Path) && (r.URL.RawPath == "" || len(rp) < len(r.URL.RawPath)) {
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r2 := new(http.Request)
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*r2 = *r
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r2.URL = new(url.URL)
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*r2.URL = *r.URL
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if p == "" {
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r2.URL.Path = "/"
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} else {
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r2.URL.Path = p
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}
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r2.URL.RawPath = rp
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next.ServeHTTP(w, r2)
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} else {
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http.NotFound(w, r)
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}
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})
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}
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func getCompany(r *http.Request) *Company {
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company := r.Context().Value(ContextCompanyKey)
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if company == nil {
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return nil
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}
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return company.(*Company)
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}
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type CurrencyOption struct {
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Code string
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Symbol string
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}
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type CountryOption struct {
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Code string
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Name string
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}
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type Tax struct {
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Id int
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Name string
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Rate int
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}
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type taxDetailsForm struct {
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locale *Locale
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BusinessName *InputField
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VATIN *InputField
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TradeName *InputField
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Phone *InputField
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Email *InputField
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Web *InputField
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Address *InputField
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City *InputField
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Province *InputField
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PostalCode *InputField
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Country *SelectField
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Currency *SelectField
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}
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func newTaxDetailsForm(ctx context.Context, conn *Conn, locale *Locale) *taxDetailsForm {
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return &taxDetailsForm{
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locale: locale,
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BusinessName: &InputField{
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Name: "business_name",
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Label: pgettext("input", "Business name", locale),
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Type: "text",
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Required: true,
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Attributes: []template.HTMLAttr{
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`autocomplete="organization"`,
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},
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},
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VATIN: &InputField{
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Name: "vatin",
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Label: pgettext("input", "VAT number", locale),
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Type: "text",
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Required: true,
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},
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TradeName: &InputField{
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Name: "trade_name",
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Label: pgettext("input", "Trade name", locale),
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Type: "text",
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},
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Phone: &InputField{
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Name: "phone",
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Label: pgettext("input", "Phone", locale),
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Type: "tel",
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Required: true,
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Attributes: []template.HTMLAttr{
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`autocomplete="tel"`,
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},
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},
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Email: &InputField{
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Name: "email",
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Label: pgettext("input", "Email", locale),
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Type: "email",
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Required: true,
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Attributes: []template.HTMLAttr{
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`autocomplete="email"`,
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},
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},
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Web: &InputField{
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Name: "web",
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Label: pgettext("input", "Web", locale),
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Type: "url",
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Attributes: []template.HTMLAttr{
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`autocomplete="url"`,
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},
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},
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Address: &InputField{
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Name: "address",
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Label: pgettext("input", "Address", locale),
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Type: "text",
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Required: true,
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Attributes: []template.HTMLAttr{
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`autocomplete="address-line1"`,
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},
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},
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City: &InputField{
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Name: "city",
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Label: pgettext("input", "City", locale),
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Type: "text",
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Required: true,
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},
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Province: &InputField{
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Name: "province",
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Label: pgettext("input", "Province", locale),
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Type: "text",
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Required: true,
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},
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PostalCode: &InputField{
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Name: "postal_code",
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Label: pgettext("input", "Postal code", locale),
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Type: "text",
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Required: true,
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Attributes: []template.HTMLAttr{
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`autocomplete="postal-code"`,
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},
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},
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Country: &SelectField{
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Name: "country",
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Label: pgettext("input", "Country", locale),
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Options: mustGetCountryOptions(ctx, conn, locale),
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Selected: "ES",
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Attributes: []template.HTMLAttr{
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`autocomplete="country"`,
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},
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},
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Currency: &SelectField{
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Name: "currency",
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Label: pgettext("input", "Currency", locale),
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Options: MustGetOptions(ctx, conn, "select currency_code, currency_symbol from currency order by currency_code"),
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Selected: "EUR",
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},
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}
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}
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func (form *taxDetailsForm) 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.BusinessName.FillValue(r)
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form.VATIN.FillValue(r)
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form.TradeName.FillValue(r)
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form.Phone.FillValue(r)
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form.Email.FillValue(r)
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form.Web.FillValue(r)
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form.Address.FillValue(r)
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form.City.FillValue(r)
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form.Province.FillValue(r)
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form.PostalCode.FillValue(r)
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form.Country.FillValue(r)
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form.Currency.FillValue(r)
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return nil
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}
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func (form *taxDetailsForm) Validate(ctx context.Context, conn *Conn) bool {
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validator := newFormValidator()
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validator.CheckRequiredInput(form.BusinessName, gettext("Business name can not be empty.", form.locale))
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if validator.CheckRequiredInput(form.VATIN, gettext("VAT number can not be empty.", form.locale)) {
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validator.CheckValidVATINInput(form.VATIN, form.Country.Selected, gettext("This value is not a valid VAT number.", form.locale))
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}
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if validator.CheckRequiredInput(form.Phone, gettext("Phone can not be empty.", form.locale)) {
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validator.CheckValidPhoneInput(form.Phone, form.Country.Selected, gettext("This value is not a valid phone number.", form.locale))
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}
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if validator.CheckRequiredInput(form.Email, gettext("Email can not be empty.", form.locale)) {
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validator.CheckValidEmailInput(form.Email, gettext("This value is not a valid email. It should be like name@domain.com.", form.locale))
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}
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if form.Web.Val != "" {
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validator.checkValidURL(form.Web, gettext("This value is not a valid web address. It should be like https://domain.com/.", form.locale))
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}
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validator.CheckRequiredInput(form.Address, gettext("Address can not be empty.", form.locale))
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validator.CheckRequiredInput(form.City, gettext("City can not be empty.", form.locale))
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validator.CheckRequiredInput(form.Province, gettext("Province can not be empty.", form.locale))
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if validator.CheckRequiredInput(form.PostalCode, gettext("Postal code can not be empty.", form.locale)) {
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validator.CheckValidPostalCode(ctx, conn, form.PostalCode, form.Country.Selected, gettext("This value is not a valid postal code.", form.locale))
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}
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validator.CheckValidSelectOption(form.Country, gettext("Selected country is not valid.", form.locale))
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validator.CheckValidSelectOption(form.Currency, gettext("Selected currency is not valid.", form.locale))
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return validator.AllOK()
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}
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func (form *taxDetailsForm) mustFillFromDatabase(ctx context.Context, conn *Conn, company *Company) *taxDetailsForm {
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err := conn.QueryRow(ctx, "select business_name, substr(vatin::text, 3), trade_name, phone, email, web, address, city, province, postal_code, country_code, currency_code from company where company_id = $1", company.Id).Scan(form.BusinessName, form.VATIN, form.TradeName, form.Phone, form.Email, form.Web, form.Address, form.City, form.Province, form.PostalCode, form.Country, form.Currency)
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if err != nil {
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panic(err)
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}
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return form
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}
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type TaxDetailsPage struct {
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DetailsForm *taxDetailsForm
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NewTaxForm *newTaxForm
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Taxes []*Tax
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}
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func CompanyTaxDetailsHandler() http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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locale := getLocale(r)
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conn := getConn(r)
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page := &TaxDetailsPage{
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DetailsForm: newTaxDetailsForm(r.Context(), conn, locale),
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NewTaxForm: newNewTaxForm(locale),
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}
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company := mustGetCompany(r)
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if r.Method == "POST" {
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if err := page.DetailsForm.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 ok := page.DetailsForm.Validate(r.Context(), conn); ok {
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form := page.DetailsForm
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conn.MustExec(r.Context(), "update company set business_name = $1, vatin = ($11 || $2)::vatin, trade_name = $3, phone = parse_packed_phone_number($4, $11), email = $5, web = $6, address = $7, city = $8, province = $9, postal_code = $10, country_code = $11, currency_code = $12 where company_id = $13", form.BusinessName, form.VATIN, form.TradeName, form.Phone, form.Email, form.Web, form.Address, form.City, form.Province, form.PostalCode, form.Country, form.Currency, company.Id)
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http.Redirect(w, r, "/company/"+company.Slug+"/tax-details", http.StatusSeeOther)
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return
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}
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w.WriteHeader(http.StatusUnprocessableEntity)
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} else {
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page.DetailsForm.mustFillFromDatabase(r.Context(), conn, company)
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}
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page.Taxes = mustGetTaxes(r.Context(), conn, company)
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mustRenderAppTemplate(w, r, "tax-details.gohtml", page)
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})
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}
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func mustGetCompany(r *http.Request) *Company {
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company := getCompany(r)
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if company == nil {
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panic(errors.New("company: required but not found"))
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}
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return company
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}
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func mustGetTaxes(ctx context.Context, conn *Conn, company *Company) []*Tax {
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rows, err := conn.Query(ctx, "select tax_id, name, (rate * 100)::integer from tax where company_id = $1 order by rate, name", company.Id)
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if err != nil {
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panic(err)
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}
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defer rows.Close()
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var taxes []*Tax
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for rows.Next() {
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tax := &Tax{}
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err = rows.Scan(&tax.Id, &tax.Name, &tax.Rate)
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if err != nil {
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panic(err)
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}
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taxes = append(taxes, tax)
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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 taxes
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}
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type newTaxForm struct {
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locale *Locale
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Name *InputField
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Rate *InputField
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}
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func newNewTaxForm(locale *Locale) *newTaxForm {
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return &newTaxForm{
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locale: locale,
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Name: &InputField{
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Name: "tax_name",
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Label: pgettext("input", "Tax name", locale),
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Type: "text",
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Required: true,
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},
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Rate: &InputField{
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Name: "tax_rate",
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Label: pgettext("input", "Rate (%)", locale),
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Type: "number",
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Required: true,
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Attributes: []template.HTMLAttr{
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"min=-99",
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"max=99",
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},
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},
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}
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}
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func (form *newTaxForm) 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.Name.FillValue(r)
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form.Rate.FillValue(r)
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return nil
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}
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func (form *newTaxForm) Validate() bool {
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validator := newFormValidator()
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validator.CheckRequiredInput(form.Name, gettext("Tax name can not be empty.", form.locale))
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if validator.CheckRequiredInput(form.Rate, gettext("Tax rate can not be empty.", form.locale)) {
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validator.CheckValidInteger(form.Rate, -99, 99, gettext("Tax rate must be an integer between -99 and 99.", form.locale))
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}
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return validator.AllOK()
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}
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func CompanyTaxHandler() http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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param := r.URL.Path
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if idx := strings.LastIndexByte(param, '/'); idx >= 0 {
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param = param[idx+1:]
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}
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conn := getConn(r)
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company := mustGetCompany(r)
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if taxId, err := strconv.Atoi(param); err == nil {
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conn.MustExec(r.Context(), "delete from tax where tax_id = $1", taxId)
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http.Redirect(w, r, "/company/"+company.Slug+"/tax-details", http.StatusSeeOther)
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} else {
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locale := getLocale(r)
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form := newNewTaxForm(locale)
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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 form.Validate() {
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conn.MustExec(r.Context(), "insert into tax (company_id, name, rate) values ($1, $2, $3 / 100::decimal)", company.Id, form.Name, form.Rate.Integer())
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http.Redirect(w, r, "/company/"+company.Slug+"/tax-details", http.StatusSeeOther)
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} else {
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w.WriteHeader(http.StatusUnprocessableEntity)
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}
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page := &TaxDetailsPage{
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DetailsForm: newTaxDetailsForm(r.Context(), conn, locale).mustFillFromDatabase(r.Context(), conn, company),
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NewTaxForm: form,
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Taxes: mustGetTaxes(r.Context(), conn, company),
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}
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mustRenderAppTemplate(w, r, "tax-details.gohtml", page)
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}
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})
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}
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