numerus/pkg/company.go

237 lines
6.5 KiB
Go

package pkg
import (
"context"
"errors"
"net/http"
"net/url"
"strconv"
"strings"
)
const (
ContextCompanyKey = "numerus-company"
)
type Company struct {
Id int
Slug string
}
func CompanyHandler(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
slug := r.URL.Path
if idx := strings.IndexByte(slug, '/'); idx >= 0 {
slug = slug[:idx]
}
conn := getConn(r)
company := &Company{
Slug: slug,
}
err := conn.QueryRow(r.Context(), "select company_id from company where slug = $1", slug).Scan(&company.Id)
if err != nil {
http.NotFound(w, r)
return
}
ctx := context.WithValue(r.Context(), ContextCompanyKey, company)
r = r.WithContext(ctx)
// Same as StripPrefix
p := strings.TrimPrefix(r.URL.Path, slug)
rp := strings.TrimPrefix(r.URL.RawPath, slug)
if len(p) < len(r.URL.Path) && (r.URL.RawPath == "" || len(rp) < len(r.URL.RawPath)) {
r2 := new(http.Request)
*r2 = *r
r2.URL = new(url.URL)
*r2.URL = *r.URL
if p == "" {
r2.URL.Path = "/"
} else {
r2.URL.Path = p
}
r2.URL.RawPath = rp
next.ServeHTTP(w, r2)
} else {
http.NotFound(w, r)
}
})
}
func getCompany(r *http.Request) *Company {
company := r.Context().Value(ContextCompanyKey)
if company == nil {
return nil
}
return company.(*Company)
}
type CurrencyOption struct {
Code string
Symbol string
}
type CountryOption struct {
Code string
Name string
}
type Tax struct {
Id int
Name string
Rate int
}
type TaxDetailsPage struct {
Title string
BusinessName string
VATIN string
TradeName string
Phone string
Email string
Web string
Address string
City string
Province string
PostalCode string
CountryCode string
Countries []CountryOption
CurrencyCode string
Currencies []CurrencyOption
Taxes []Tax
}
func CompanyTaxDetailsHandler() http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
locale := getLocale(r)
page := &TaxDetailsPage{
Title: pgettext("title", "Tax Details", locale),
}
company := mustGetCompany(r)
conn := getConn(r)
if r.Method == "POST" {
r.ParseForm()
page.BusinessName = r.FormValue("business_name")
page.CountryCode = r.FormValue("country")
page.VATIN = page.CountryCode + r.FormValue("vatin")
page.TradeName = r.FormValue("trade_name")
page.Phone = r.FormValue("phone")
page.Email = r.FormValue("email")
page.Web = r.FormValue("web")
page.Address = r.FormValue("address")
page.City = r.FormValue("city")
page.Province = r.FormValue("province")
page.PostalCode = r.FormValue("postal_code")
page.CurrencyCode = r.FormValue("currency")
conn.MustExec(r.Context(), "update company set business_name = $1, vatin = $2, 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", page.BusinessName, page.VATIN, page.TradeName, page.Phone, page.Email, page.Web, page.Address, page.City, page.Province, page.PostalCode, page.CountryCode, page.CurrencyCode, company.Id)
http.Redirect(w, r, "/company/"+company.Slug+"/tax-details", http.StatusSeeOther)
} else {
err := conn.QueryRow(r.Context(), "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(&page.BusinessName, &page.VATIN, &page.TradeName, &page.Phone, &page.Email, &page.Web, &page.Address, &page.City, &page.Province, &page.PostalCode, &page.CountryCode, &page.CurrencyCode)
if err != nil {
panic(err)
}
}
page.Countries = mustGetCountryOptions(r.Context(), conn, locale)
page.Currencies = mustGetCurrencyOptions(r.Context(), conn)
page.Taxes = mustGetTaxes(r.Context(), conn, company)
mustRenderAppTemplate(w, r, "tax-details.html", page)
})
}
func mustGetCompany(r *http.Request) *Company {
company := getCompany(r)
if company == nil {
panic(errors.New("company: required but not found"))
}
return company
}
func mustGetCountryOptions(ctx context.Context, conn *Conn, locale *Locale) []CountryOption {
rows, err := conn.Query(ctx, "select country.country_code, coalesce(i18n.name, country.name) as l10n_name from country left join country_i18n as i18n on country.country_code = i18n.country_code and i18n.lang_tag = $1 order by l10n_name", locale.Language)
if err != nil {
panic(err)
}
defer rows.Close()
var countries []CountryOption
for rows.Next() {
var country CountryOption
err = rows.Scan(&country.Code, &country.Name)
if err != nil {
panic(err)
}
countries = append(countries, country)
}
if rows.Err() != nil {
panic(rows.Err())
}
return countries
}
func mustGetCurrencyOptions(ctx context.Context, conn *Conn) []CurrencyOption {
rows, err := conn.Query(ctx, "select currency_code, currency_symbol from currency order by currency_code")
if err != nil {
panic(err)
}
defer rows.Close()
var currencies []CurrencyOption
for rows.Next() {
var currency CurrencyOption
err = rows.Scan(&currency.Code, &currency.Symbol)
if err != nil {
panic(err)
}
currencies = append(currencies, currency)
}
if rows.Err() != nil {
panic(rows.Err())
}
return currencies
}
func mustGetTaxes(ctx context.Context, conn *Conn, company *Company) []Tax {
rows, err := conn.Query(ctx, "select tax_id, name, (rate * 100)::integer from tax where company_id = $1 order by rate, name", company.Id)
if err != nil {
panic(err)
}
defer rows.Close()
var taxes []Tax
for rows.Next() {
var tax Tax
err = rows.Scan(&tax.Id, &tax.Name, &tax.Rate)
if err != nil {
panic(err)
}
taxes = append(taxes, tax)
}
if rows.Err() != nil {
panic(rows.Err())
}
return taxes
}
func CompanyTaxHandler() http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
param := r.URL.Path
if idx := strings.LastIndexByte(param, '/'); idx >= 0 {
param = param[idx+1:]
}
conn := getConn(r)
company := mustGetCompany(r)
if taxId, err := strconv.Atoi(param); err == nil {
conn.MustExec(r.Context(), "delete from tax where tax_id = $1", taxId)
} else {
r.ParseForm()
name := r.FormValue("name")
rate, _ := strconv.Atoi(r.FormValue("rate"))
conn.MustExec(r.Context(), "insert into tax (company_id, name, rate) values ($1, $2, $3 / 100::decimal)", company.Id, name, rate)
}
http.Redirect(w, r, "/company/"+company.Slug+"/tax-details", http.StatusSeeOther)
})
}