From b2447bc967df37b31282a97e32c581954bb8bcc9 Mon Sep 17 00:00:00 2001
From: René 'Necoro' Neumann <necoro@necoro.eu>
Date: Thu, 17 Oct 2024 16:37:23 +0200
Subject: Move from html/template to templ

---
 form/builder.go | 96 ---------------------------------------------------------
 1 file changed, 96 deletions(-)
 delete mode 100644 form/builder.go

(limited to 'form/builder.go')

diff --git a/form/builder.go b/form/builder.go
deleted file mode 100644
index 97e972f..0000000
--- a/form/builder.go
+++ /dev/null
@@ -1,96 +0,0 @@
-package form
-
-import (
-	"errors"
-	"fmt"
-	"html/template"
-	"strings"
-)
-
-type builder struct {
-	tpl *template.Template
-}
-
-// Inputs will parse the provided struct into fields and then execute the
-// template with each field. The returned HTML is simply all of these results
-// appended one after another.
-//
-// Inputs' second argument - errs - will be used to render errors for
-// individual fields.
-func (b *builder) Inputs(v interface{}, errs ...error) (template.HTML, error) {
-	tpl, err := b.tpl.Clone()
-	if err != nil {
-		return "", err
-	}
-	fields := fields(v)
-	errors := fieldErrors(errs)
-	var html template.HTML
-	for _, field := range fields {
-		var sb strings.Builder
-		tpl.Funcs(template.FuncMap{
-			"errors": func() []string {
-				if errs, ok := errors[field.Name]; ok {
-					return errs
-				}
-				return nil
-			},
-		})
-		err := tpl.Execute(&sb, field)
-		if err != nil {
-			return "", err
-		}
-		html = html + template.HTML(sb.String())
-	}
-	return html, nil
-}
-
-// FuncMap returns a template.FuncMap that defines both the inputs_for and
-// inputs_and_errors_for functions for usage in the template package. The
-// latter is provided via a closure because variadic parameters and the
-// template package don't play very nicely and this just simplifies things
-// a lot for end users of the form package.
-func FuncMap(formTpl *template.Template) template.FuncMap {
-	b := builder{tpl: formTpl}
-	return template.FuncMap{
-		"inputs_for": b.Inputs,
-		"inputs_and_errors_for": func(v interface{}, errs []error) (template.HTML, error) {
-			return b.Inputs(v, errs...)
-		},
-	}
-}
-
-// ParsingFuncMap is present to make it a little easier to build the input template.
-// In order to parse a template that uses the `errors` function, you need to have
-// that template defined when the template is parsed. We clearly don't know whether
-// a field has an error or not until it is parsed.
-func ParsingFuncMap() template.FuncMap {
-	return template.FuncMap{
-		"errors": func() []string {
-			return nil
-		},
-	}
-}
-
-type FieldError struct {
-	Field string
-	Issue string
-}
-
-func (fe FieldError) Error() string {
-	return fmt.Sprintf("%s: %v", fe.Field, fe.Issue)
-}
-
-// errors will build a map where each key is the field name, and each
-// value is a slice of strings representing errors with that field.
-func fieldErrors(errs []error) map[string][]string {
-	ret := make(map[string][]string)
-	for _, err := range errs {
-		var fe FieldError
-		if !errors.As(err, &fe) {
-			fmt.Println(err, "isnt field error")
-			continue
-		}
-		ret[fe.Field] = append(ret[fe.Field], fe.Issue)
-	}
-	return ret
-}
-- 
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