package pkg import ( "fmt" "golang.org/x/text/message" "golang.org/x/text/number" "html/template" "io" "math" "net/http" "strconv" "time" ) const overrideMethodName = "_method" func templateFile(name string) string { return "web/template/" + name } func mustRenderTemplate(wr io.Writer, r *http.Request, layout string, filename string, data interface{}) { locale := getLocale(r) company := getCompany(r) user := getUser(r) t := template.New(filename) t.Funcs(template.FuncMap{ "gettext": locale.Get, "pgettext": locale.GetC, "currentLocale": func() string { return locale.Language.String() }, "companyURI": func(uri string) string { return companyURI(company, uri) }, "formatPrice": func(price string) string { p := message.NewPrinter(locale.Language) f, err := strconv.ParseFloat(price, 64) if err != nil { f = math.NaN() } return p.Sprintf(locale.CurrencyPattern, company.DecimalDigits, number.Decimal(f), company.CurrencySymbol) }, "formatDate": func(time time.Time) template.HTML { return template.HTML(`") }, "csrfToken": func() template.HTML { return template.HTML(fmt.Sprintf(``, csrfTokenField, user.CsrfToken)) }, "addInputAttr": func(attr string, field *InputField) *InputField { field.Attributes = append(field.Attributes, template.HTMLAttr(attr)) return field }, "addSelectAttr": func(attr string, field *SelectField) *SelectField { field.Attributes = append(field.Attributes, template.HTMLAttr(attr)) return field }, "sub": func(y, x int) int { return x - y }, "deleteMethod": func() template.HTML { return overrideMethodField(http.MethodDelete) }, "putMethod": func() template.HTML { return overrideMethodField(http.MethodPut) }, }) if _, err := t.ParseFiles(templateFile(filename), templateFile(layout), templateFile("form.gohtml")); err != nil { panic(err) } if err := t.ExecuteTemplate(wr, layout, data); err != nil { panic(err) } } func companyURI(company *Company, uri string) string { if company == nil { return uri } return "/company/" + company.Slug + uri } func overrideMethodField(method string) template.HTML { return template.HTML(fmt.Sprintf(``, overrideMethodName, method)) } func mustRenderAppTemplate(w io.Writer, r *http.Request, filename string, data interface{}) { mustRenderTemplate(w, r, "app.gohtml", filename, data) } func mustRenderWebTemplate(w io.Writer, r *http.Request, filename string, data interface{}) { mustRenderTemplate(w, r, "web.gohtml", filename, data) }