Use custom ent codegen plugin for admin.

ent/admin/extension.go

@@ -0,0 +1,70 @@
+package admin
+
+import (
+	"embed"
+	"strings"
+	"text/template"
+	"unicode"
+
+	"entgo.io/ent/entc"
+	"entgo.io/ent/entc/gen"
+)
+
+var (
+	//go:embed templates
+	templateDir embed.FS
+)
+
+type Extension struct {
+	entc.DefaultExtension
+}
+
+func (*Extension) Templates() []*gen.Template {
+	return []*gen.Template{
+		gen.MustParse(
+			gen.NewTemplate("admin").
+				Funcs(template.FuncMap{
+					"fieldName":  fieldName,
+					"fieldLabel": fieldLabel,
+				}).
+				ParseFS(templateDir, "templates/*tmpl"),
+		),
+	}
+}
+
+func fieldName(name string) string {
+	if len(name) == 0 {
+		return name
+	}
+
+	parts := strings.Split(name, "_")
+	for i := 0; i < len(parts); i++ {
+		parts[i] = upperFirst(parts[i])
+	}
+
+	return strings.Join(parts, "")
+}
+
+func fieldLabel(name string) string {
+	if len(name) == 0 {
+		return name
+	}
+
+	out := strings.ReplaceAll(name, "_", " ")
+	return upperFirst(out)
+}
+
+func upperFirst(s string) string {
+	if len(s) == 0 {
+		return s
+	}
+	out := []rune(s)
+	out[0] = unicode.ToUpper(out[0])
+	return string(out)
+}
+
+/*
+TODO:
+1) How to handle fields like password that need to be transformed or omitted, etc?
+2) Should we use the HTML datetime format and string fields rather than time.Time?
+*/