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 { 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{} 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.gohtml", 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(¤cy.Code, ¤cy.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) }) }