feat(services): EAN 13 generation

templates/contract/de.html

@@ -56,7 +56,7 @@
         </div>
         <div class="column">
           <img style="vertical-align: revert; margin-top: auto; object-fit: cover; max-height: 2cm;"
-            src="{{/* TODO: BARCODE*/}}" />
+            src="data:image/png;base64,{{ barcode .ID }}" />
         </div>
       </div>
       <div class="columns" style="padding-top: 1rem;">

templates/contract/en.html

@@ -55,7 +55,7 @@
         </div>
         <div class="column">
           <img style="vertical-align: revert; margin-top: auto; object-fit: cover; max-height: 2cm;"
-            src="{{/* TODO: BARCODE*/}}" />
+            src="data:image/png;base64,{{ barcode .ID}}" />
         </div>
       </div>
       <div class="columns" style="padding-top: 1rem;">

templates/templates.go

@@ -3,7 +3,6 @@ package templates
 import (
 	_ "embed"
 	"fmt"
-	"html/template"
 )
 
 //go:embed card/en.html
@@ -21,22 +20,22 @@ var ContractTemplateDe string
 //go:embed images/sponsoringheader.base64
 var ImageSponsoringHeaderBase64 string
 
-func GetTemplate(locale, templateName string) (*template.Template, error) {
+func GetTemplate(locale, templateName string) (string, error) {
 	switch templateName {
 	case "card":
 		switch locale {
 		case "en":
-			return template.New("card").Parse(CardTemplateEn)
+			return CardTemplateEn, nil
 		case "de":
-			return template.New("card").Parse(CardTemplateDe)
+			return CardTemplateDe, nil
 		}
 	case "contract":
 		switch locale {
 		case "en":
-			return template.New("contract").Parse(ContractTemplateEn)
+			return ContractTemplateEn, nil
 		case "de":
-			return template.New("contract").Parse(ContractTemplateDe)
+			return ContractTemplateDe, nil
 		}
 	}
-	return nil, fmt.Errorf("template not found with name %s and locale %s", templateName, locale)
+	return "", fmt.Errorf("template not found with name %s and locale %s", templateName, locale)
 }