feat(certificate): update footer image

.env

@@ -1,3 +1,4 @@
+LOGLEVEL=debug
 PORT=3000
 PRODUCION=false
 APIKEY=lfk
@@ -10,9 +11,13 @@ CARD_SUBTITLE=Kaya ist cool
 CARD_BARCODEFORMAT=ean13
 # CARD_BARCODEPREFIX=
 
-SPONSOING_RECEIPTMINIMUM=10
+SPONSORING_RECEIPTMINIMUM=40
 SPONSORING_DISCLAIMER=Kaya ist cool, aber pass auf, dass du nicht zu viel Geld sammelst!
 SPONSORING_BARCODEFORMAT=code128
 # SPONSORING_BARCODEPREFIX=
 
-CERTIFICATE_FOOTER=Kaya ist cool, danke für deine Unterstützung!
+CERTIFICATE_FOOTER=Kaya ist cool, danke für deine Unterstützung!
+
+SEPA_BIC=FNOMDEB2
+SEPA_NAME=ODIT.Services
+SEPA_IBAN=DE25100180000690238989

.gitea/workflows/dev.yaml

@@ -0,0 +1,27 @@
+name: Build latest image
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build-container:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Login to registry
+        uses: docker/login-action@v3
+        with:
+          registry: registry.odit.services
+          username: ${{ vars.REGISTRY_USERNAME }}
+          password: ${{ secrets.REGISTRY_PASSWORD }}
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          push: true
+          tags: |
+            ${{ vars.REGISTRY }}/lfk/document-server:latest
+          platforms: linux/amd64,linux/arm64

.gitea/workflows/release.yaml

@@ -0,0 +1,27 @@
+name: Build release images
+on:
+  push:
+    tags:
+      - "*.*.*"
+
+jobs:
+  build-container:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Login to registry
+        uses: docker/login-action@v3
+        with:
+          registry: registry.odit.services
+          username: ${{ vars.REGISTRY_USERNAME }}
+          password: ${{ secrets.REGISTRY_PASSWORD }}
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          push: true
+          tags: |
+            ${{ vars.REGISTRY }}/lfk/document-server:${{ github.ref_name }}
+          platforms: linux/amd64,linux/arm64

.woodpecker/build.yml

@@ -1,18 +0,0 @@
-steps:
-  - name: build latest
-    image: woodpeckerci/plugin-docker-buildx
-    settings:
-      repo: registry.odit.services/lfk/document-server
-      tags:
-        - latest
-      registry: registry.odit.services
-      platforms: linux/amd64,linux/arm64
-      cache_from: registry.odit.services/lfk/document-server:latest
-      username:
-        from_secret: odit-registry-builder-username
-      password:
-        from_secret: odit-registry-builder-password
-    when:
-      branch: main
-when:
-  event: push

.woodpecker/release.yml

@@ -1,17 +0,0 @@
-steps:
-  - name: build tag
-    image: woodpeckerci/plugin-docker-buildx
-    settings:
-      repo: registry.odit.services/lfk/document-server
-      tags:
-        - "${CI_COMMIT_TAG}"
-      registry: registry.odit.services
-      platforms: linux/amd64,linux/arm64
-      cache_from: registry.odit.services/lfk/document-server:latest
-      username:
-        from_secret: odit-registry-builder-username
-      password:
-        from_secret: odit-registry-builder-password
-when:
-  event:
-    - tag

docs/docs.go

@@ -326,6 +326,17 @@ const docTemplate = `{
             "properties": {
                 "name": {
                     "type": "string"
+                },
+                "parent_group": {
+                    "type": "object",
+                    "required": [
+                        "name"
+                    ],
+                    "properties": {
+                        "name": {
+                            "type": "string"
+                        }
+                    }
                 }
             }
         },

docs/swagger.json

@@ -317,6 +317,17 @@
             "properties": {
                 "name": {
                     "type": "string"
+                },
+                "parent_group": {
+                    "type": "object",
+                    "required": [
+                        "name"
+                    ],
+                    "properties": {
+                        "name": {
+                            "type": "string"
+                        }
+                    }
                 }
             }
         },

docs/swagger.yaml

@@ -96,6 +96,13 @@ definitions:
     properties:
       name:
         type: string
+      parent_group:
+        properties:
+          name:
+            type: string
+        required:
+        - name
+        type: object
     required:
     - name
     type: object

go.mod

@@ -49,7 +49,8 @@ require (
 	github.com/valyala/fasthttp v1.57.0 // indirect
 	github.com/valyala/tcplisten v1.0.0 // indirect
 	go.uber.org/atomic v1.9.0 // indirect
-	go.uber.org/multierr v1.9.0 // indirect
+	go.uber.org/multierr v1.10.0 // indirect
+	go.uber.org/zap v1.27.0 // indirect
 	golang.org/x/exp v0.0.0-20230905200255-921286631fa9 // indirect
 	golang.org/x/sys v0.27.0 // indirect
 	golang.org/x/text v0.19.0 // indirect

go.sum

@@ -107,6 +107,10 @@ go.uber.org/atomic v1.9.0 h1:ECmE8Bn/WFTYwEW/bpKD3M8VtR/zQVbavAoalC1PYyE=
 go.uber.org/atomic v1.9.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
 go.uber.org/multierr v1.9.0 h1:7fIwc/ZtS0q++VgcfqFDxSBZVv/Xo49/SYnDFupUwlI=
 go.uber.org/multierr v1.9.0/go.mod h1:X2jQV1h+kxSjClGpnseKVIxpmcjrj7MNnI0bnlfKTVQ=
+go.uber.org/multierr v1.10.0 h1:S0h4aNzvfcFsC3dRF1jLoaov7oRaKqRGC/pUEJ2yvPQ=
+go.uber.org/multierr v1.10.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
+go.uber.org/zap v1.27.0 h1:aJMhYGrd5QSmlpLMr2MftRKl7t8J8PTZPA732ud/XR8=
+go.uber.org/zap v1.27.0/go.mod h1:GB2qFLM7cTU87MWRP2mPIjqfIDnGu+VIO4V/SdhGo2E=
 golang.org/x/exp v0.0.0-20230905200255-921286631fa9 h1:GoHiUyI/Tp2nVkLI2mCxVkOjsbSXD66ic0XW0js0R9g=
 golang.org/x/exp v0.0.0-20230905200255-921286631fa9/go.mod h1:S2oDrQGGwySpoQPVqRShND87VCbxmc6bL1Yd2oYrm6k=
 golang.org/x/mod v0.22.0 h1:D4nJWe9zXqHOmWqj4VMOJhvzj7bEZg4wEYa759z1pH4=

handlers/barcode.go

@@ -20,6 +20,8 @@ import (
 //	@Router			/v1/barcodes/{type}/{content} [get]
 func (h *DefaultHandler) GenerateBarcode(c *fiber.Ctx) error {
 
+	logger := h.Logger.Named("GenerateBarcode")
+
 	// Get the type and content from the URL
 	barcodeType := c.Params("type")
 	barcodeContent := c.Params("content")
@@ -32,6 +34,7 @@ func (h *DefaultHandler) GenerateBarcode(c *fiber.Ctx) error {
 	// Convert width and height to integers
 	width, err := strconv.Atoi(widthStr)
 	if err != nil {
+		logger.Errorw("Invalid width parameter", "width", widthStr, "error", err)
 		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{
 			"error": "Invalid width parameter",
 		})
@@ -39,6 +42,7 @@ func (h *DefaultHandler) GenerateBarcode(c *fiber.Ctx) error {
 
 	height, err := strconv.Atoi(heightStr)
 	if err != nil {
+		logger.Errorw("Invalid height parameter", "height", heightStr, "error", err)
 		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{
 			"error": "Invalid height parameter",
 		})
@@ -46,18 +50,23 @@ func (h *DefaultHandler) GenerateBarcode(c *fiber.Ctx) error {
 
 	padding, err := strconv.Atoi(paddingStr)
 	if err != nil {
+		logger.Errorw("Invalid padding parameter", "padding", paddingStr, "error", err)
 		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{
 			"error": "Invalid padding parameter",
 		})
 	}
+	logger = logger.With("type", barcodeType, "content", barcodeContent, "width", width, "height", height, "padding", padding)
 
 	// Generate the barcode
+	logger.Info("Generating barcode")
 	barcode, err := h.BarcodeService.GenerateBarcode(barcodeType, barcodeContent, width, height, padding)
 	if err != nil {
+		logger.Errorw("Failed to generate barcode", "error", err)
 		return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{
 			"error": err.Error(),
 		})
 	}
+	logger.Info("Barcode generated")
 
 	c.Set(fiber.HeaderContentType, "image/png")
 	return c.Send(barcode.Bytes())

handlers/card.go

@@ -1,7 +1,6 @@
 package handlers
 
 import (
-	"log"
 	"slices"
 
 	"git.odit.services/lfk/document-server/models"
@@ -19,27 +18,35 @@ import (
 //	@Security		ApiKeyAuth
 //	@Router			/v1/pdfs/cards [post]
 func (h *DefaultHandler) GenerateCard(c *fiber.Ctx) error {
+
+	logger := h.Logger.Named("GenerateCard")
+
 	cardRequest := new(models.CardRequest)
 	if err := c.BodyParser(cardRequest); err != nil {
+		logger.Errorw("Invalid request", "error", err)
 		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{
 			"error": err.Error(),
 		})
 	}
 	if !slices.Contains([]string{"en", "de"}, cardRequest.Locale) {
+		logger.Errorw("Invalid locale", "locale", cardRequest.Locale)
 		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{
 			"error": "Invalid locale",
 		})
 	}
 
+	logger = logger.With("locale", cardRequest.Locale)
+
 	templateString, err := h.StaticService.GetTemplate(cardRequest.Locale, "card")
 	if err != nil {
-		log.Println(err)
+		logger.Errorw("Template not found", "error", err)
 		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{
 			"error": "Template not found",
 		})
 	}
 	template, err := h.Templater.StringToTemplate(templateString)
 	if err != nil {
+		logger.Errorw("Error parsing template", "error", err)
 		return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{
 			"error": err.Error(),
 		})
@@ -53,20 +60,26 @@ func (h *DefaultHandler) GenerateCard(c *fiber.Ctx) error {
 		BarcodePrefix: h.Config.CardBarcodePrefix,
 	}
 
+	logger.Info("Generating card html")
 	result, err := h.Templater.Execute(template, genConfig)
 	if err != nil {
+		logger.Errorw("Error executing template", "error", err)
 		return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{
 			"error": err.Error(),
 		})
 	}
+	logger.Info("Generated card html")
 	c.Set(fiber.HeaderContentType, "text/html")
 
+	logger.Info("Converting html to pdf")
 	pdf, err := h.Converter.ToPdf(result, "a4", false)
 	if err != nil {
+		logger.Errorw("Error converting html to pdf", "error", err)
 		return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{
 			"error": err.Error(),
 		})
 	}
+	logger.Info("Converted html to pdf")
 
 	c.Set(fiber.HeaderContentType, "application/pdf")
 	c.Set(fiber.HeaderContentDisposition, "attachment; filename=runner-cards.pdf")

handlers/certificate.go

@@ -1,7 +1,6 @@
 package handlers
 
 import (
-	"log"
 	"slices"
 
 	"git.odit.services/lfk/document-server/models"
@@ -19,27 +18,35 @@ import (
 //	@Security		ApiKeyAuth
 //	@Router			/v1/pdfs/certificates [post]
 func (h *DefaultHandler) GenerateCertificate(c *fiber.Ctx) error {
+
+	logger := h.Logger.Named("GenerateCertificate")
+
 	certificateRequest := new(models.CertificateRequest)
 	if err := c.BodyParser(certificateRequest); err != nil {
+		logger.Errorw("Invalid request", "error", err)
 		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{
 			"error": err.Error(),
 		})
 	}
 	if !slices.Contains([]string{"en", "de"}, certificateRequest.Locale) {
+		logger.Errorw("Invalid locale", "locale", certificateRequest.Locale)
 		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{
 			"error": "Invalid locale",
 		})
 	}
 
+	logger = logger.With("locale", certificateRequest.Locale)
+
 	templateString, err := h.StaticService.GetTemplate(certificateRequest.Locale, "certificate")
 	if err != nil {
-		log.Println(err)
+		logger.Errorw("Template not found", "error", err)
 		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{
 			"error": "Template not found",
 		})
 	}
 	template, err := h.Templater.StringToTemplate(templateString)
 	if err != nil {
+		logger.Errorw("Error parsing template", "error", err)
 		return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{
 			"error": err.Error(),
 		})
@@ -51,22 +58,32 @@ func (h *DefaultHandler) GenerateCertificate(c *fiber.Ctx) error {
 		Footer:         h.Config.CertificateFooter,
 		CurrencySymbol: h.Config.CurrencySymbol,
 		Locale:         certificateRequest.Locale,
+		SepaConfig: &models.SepaConfig{
+			BIC:                h.Config.SepaBic,
+			HolderName:         h.Config.SepaName,
+			IBAN:               h.Config.SepaIban,
+			CurrencyIdentifier: h.Config.CurrencyIdentifier,
+		},
 	}
 
+	logger.Info("Generating certificate html")
 	result, err := h.Templater.Execute(template, genConfig)
 	if err != nil {
 		return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{
 			"error": err.Error(),
 		})
 	}
+	logger.Info("Generated card html")
 	c.Set(fiber.HeaderContentType, "text/html")
 
+	logger.Info("Converting html to pdf")
 	pdf, err := h.Converter.ToPdf(result, "a4", false)
 	if err != nil {
 		return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{
 			"error": err.Error(),
 		})
 	}
+	logger.Info("Converted html to pdf")
 
 	c.Set(fiber.HeaderContentType, "application/pdf")
 	c.Set(fiber.HeaderContentDisposition, "attachment; filename=certificate.pdf")
@@ -79,6 +96,13 @@ func addUpRunnerDonations(runners []models.RunnerWithDonations) []models.RunnerW
 			runners[i].TotalDonations += runners[i].DistanceDonations[j].Amount
 			runners[i].TotalPerDistance += runners[i].DistanceDonations[j].AmountPerDistance
 		}
+		if runners[i].Group.ParentGroup.Name != "" {
+			runners[i].CombinedGroupName = runners[i].Group.ParentGroup.Name + " - " + runners[i].Group.Name
+		} else {
+			runners[i].CombinedGroupName = runners[i].Group.Name
+
+		}
+
 	}
 	return runners
 }

handlers/contract.go

@@ -1,7 +1,6 @@
 package handlers
 
 import (
-	"log"
 	"slices"
 
 	"git.odit.services/lfk/document-server/models"
@@ -19,36 +18,42 @@ import (
 //	@Security		ApiKeyAuth
 //	@Router			/v1/pdfs/contracts [post]
 func (h *DefaultHandler) GenerateContract(c *fiber.Ctx) error {
+
+	logger := h.Logger.Named("GenerateContract")
+
 	contract := new(models.ContractRequest)
 	if err := c.BodyParser(contract); err != nil {
+		logger.Errorw("Invalid request", "error", err)
 		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{
 			"error": err.Error(),
 		})
 	}
 	if !slices.Contains([]string{"en", "de"}, contract.Locale) {
+		logger.Errorw("Invalid locale", "locale", contract.Locale)
 		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{
 			"error": "Invalid locale",
 		})
 	}
 
-	contract.Runners = repeatRunnerArrayItems(contract.Runners, 2)
+	logger = logger.With("locale", contract.Locale)
 
 	templateString, err := h.StaticService.GetTemplate(contract.Locale, "contract")
 	if err != nil {
-		log.Println(err)
+		logger.Errorw("Template not found", "error", err)
 		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{
 			"error": "Template not found",
 		})
 	}
 	template, err := h.Templater.StringToTemplate(templateString)
 	if err != nil {
+		logger.Errorw("Error parsing template", "error", err)
 		return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{
 			"error": err.Error(),
 		})
 	}
 
 	genConfig := &models.ContractTemplateOptions{
-		Runners:              contract.Runners,
+		Runners:              repeatRunnerArrayItems(contract.Runners, 2),
 		CurrencySymbol:       h.Config.CurrencySymbol,
 		Disclaimer:           h.Config.SponosringDisclaimer,
 		ReceiptMinimumAmount: h.Config.SponsoringReceiptMinimum,
@@ -57,19 +62,23 @@ func (h *DefaultHandler) GenerateContract(c *fiber.Ctx) error {
 		BarcodePrefix:        h.Config.SponsoringBarcodePrefix,
 	}
 
+	logger.Info("Generating contract html")
 	result, err := h.Templater.Execute(template, genConfig)
 	if err != nil {
 		return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{
 			"error": err.Error(),
 		})
 	}
+	logger.Info("Generated contract html")
 
+	logger.Info("Converting html to pdf")
 	pdf, err := h.Converter.ToPdf(result, "a5", true)
 	if err != nil {
 		return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{
 			"error": err.Error(),
 		})
 	}
+	logger.Info("Converted html to pdf")
 
 	c.Set(fiber.HeaderContentType, "application/pdf")
 	c.Set(fiber.HeaderContentDisposition, "attachment; filename=runner-contracts.pdf")

handlers/handlers.go

@@ -4,6 +4,7 @@ import (
 	"git.odit.services/lfk/document-server/models"
 	"git.odit.services/lfk/document-server/services"
 	"github.com/gofiber/fiber/v2"
+	"go.uber.org/zap"
 )
 
 type Handler interface {
@@ -19,4 +20,5 @@ type DefaultHandler struct {
 	Templater      services.Templater
 	Converter      services.Converter
 	StaticService  services.StaticService
+	Logger         *zap.SugaredLogger
 }

main.go

@@ -3,7 +3,8 @@ package main
 import (
 	"crypto/sha256"
 	"crypto/subtle"
-	"log"
+	"os"
+	"strings"
 
 	"git.odit.services/lfk/document-server/docs" // Correct import path for docs
 	"git.odit.services/lfk/document-server/handlers"
@@ -12,13 +13,17 @@ import (
 	"github.com/gofiber/fiber/v2"
 	"github.com/gofiber/fiber/v2/middleware/cors"
 	"github.com/gofiber/fiber/v2/middleware/keyauth"
+	"github.com/gofiber/fiber/v2/middleware/requestid"
 	"github.com/gofiber/swagger"
 	"github.com/redis/go-redis/v9"
 	"github.com/spf13/viper"
+	"go.uber.org/zap"
+	"go.uber.org/zap/zapcore"
 )
 
 var (
 	config *models.Config
+	logger *zap.SugaredLogger
 )
 
 func validateAPIKey(c *fiber.Ctx, key string) (bool, error) {
@@ -33,11 +38,13 @@ func validateAPIKey(c *fiber.Ctx, key string) (bool, error) {
 
 func loadEnv() error {
 
-	viper.SetDefault("PRODUCION", true)
+	viper.SetDefault("LOGLEVEL", "INFO")
+	viper.SetDefault("PRODUCION", false)
 	viper.SetDefault("PORT", "3000")
 	viper.SetDefault("APIKEY", "lfk")
 	viper.SetDefault("EVENTNAME", "Demo Event")
 	viper.SetDefault("CURRENCYSYMBOL", "€")
+	viper.SetDefault("CURRENCYIDENTIFIER", "EUR")
 	viper.SetDefault("CARD_SUBTITLE", "Runner Card")
 	viper.SetDefault("CARD_BARCODEFORMAT", "ean13")
 	viper.SetDefault("CARD_BARCODEPREFIX", "")
@@ -48,6 +55,9 @@ func loadEnv() error {
 	viper.SetDefault("CERTIFICATE_FOOTER", "Footer")
 	viper.SetDefault("GOTENBERG_BASEURL", "")
 	viper.SetDefault("REDIS_ADDR", "")
+	viper.SetDefault("SEPA_BIC", "")
+	viper.SetDefault("SEPA_NAME", "")
+	viper.SetDefault("SEPA_IBAN", "")
 
 	// Load .env file
 	viper.SetConfigFile(".env")
@@ -56,7 +66,7 @@ func loadEnv() error {
 	viper.AutomaticEnv()
 	err := viper.ReadInConfig()
 	if err != nil {
-		log.Println("No .env file found")
+		logger.Warn("No .env file found")
 	}
 
 	// Unmarshal the config from file and env into the config struct
@@ -65,7 +75,34 @@ func loadEnv() error {
 		return err
 	}
 
-	log.Printf("Loaded config: %+v\n", config)
+	logger.Infow("Loaded config", "config", &config)
+
+	return nil
+}
+
+func initLogger() error {
+	logLevel := os.Getenv("LOGLEVEL")
+	if logLevel == "" {
+		logLevel = "INFO"
+	}
+
+	var zapLogLevel zapcore.Level
+	err := zapLogLevel.UnmarshalText([]byte(strings.ToLower(logLevel)))
+	if err != nil {
+		zapLogLevel = zapcore.InfoLevel
+	}
+
+	zapConfig := zap.NewProductionConfig()
+	zapConfig.Level = zap.NewAtomicLevelAt(zapLogLevel)
+	zapLogger, err := zapConfig.Build()
+	if err != nil {
+		return err
+	}
+
+	defer zapLogger.Sync()
+	logger = zapLogger.Sugar()
+
+	logger.Debug("Initialized logger")
 
 	return nil
 }
@@ -82,14 +119,21 @@ func loadEnv() error {
 // @name						key
 func main() {
 
-	err := loadEnv()
+	// Init the logger
+	err := initLogger()
 	if err != nil {
-		log.Fatal(err)
+		return
+	}
+
+	err = loadEnv()
+	if err != nil {
+		logger.Error(err)
+		return
 	}
 
 	var redisClient *redis.Client
 	if config.RedisAddr != "" {
-		log.Println("Using redis at", config.RedisAddr)
+		logger.Infow("Using redis", "redisAddr", config.RedisAddr)
 		redisClient = redis.NewClient(&redis.Options{
 			Addr: config.RedisAddr,
 		})
@@ -97,9 +141,11 @@ func main() {
 
 	barcodeGenerator := &services.DefaultBarcodeService{
 		RedisClient: redisClient,
+		Logger:      logger.Named("DefaultBarcodeService"),
 	}
 	staticService := &services.DefaultStaticService{
-		Cache: make(map[string]string),
+		Cache:  make(map[string]string),
+		Logger: logger.Named("DefaultStaticService"),
 	}
 	handler := handlers.DefaultHandler{
 		Config:         config,
@@ -108,11 +154,15 @@ func main() {
 		Templater: &services.DefaultTemplater{
 			BarcodeService: barcodeGenerator,
 			StaticService:  staticService,
+			Logger:         logger.Named("DefaultTemplater"),
 		},
 		Converter: &services.GotenbergConverter{
 			BaseUrl: config.GotenbergBaseUrl,
+			Logger:  logger.Named("GotenbergConverter"),
 		},
+		Logger: logger.Named("DefaultHandler"),
 	}
+	logger.Debug("Initialized services")
 
 	// Create a new Fiber instance
 	app := fiber.New(fiber.Config{
@@ -120,6 +170,7 @@ func main() {
 	})
 
 	app.Use(cors.New())
+	app.Use(requestid.New())
 
 	// Swagger documentation route
 	app.Get("/swagger/*", swagger.HandlerDefault)
@@ -137,9 +188,11 @@ func main() {
 	pdfv1.Post("/certificates", handler.GenerateCertificate)
 
 	v1.Get("/barcodes/:type/:content", handler.GenerateBarcode)
+	logger.Debug("Initialized routes")
 
 	app.Use(handler.NotFoundHandler)
 	docs.SwaggerInfo.BasePath = "/"
 
-	log.Fatal(app.Listen("0.0.0.0:" + config.Port))
+	logger.Infow("Starting server", "port", config.Port)
+	logger.Error(app.Listen("0.0.0.0:" + config.Port))
 }

models/certificate.go

@@ -11,10 +11,12 @@ type RunnerWithDonations struct {
 	MiddleName        string             `json:"middle_name" validate:"optional"`
 	LastName          string             `json:"last_name" validate:"required"`
 	Group             Group              `json:"group" validate:"required"`
+	CombinedGroupName string             `json:"combined_group_name" validate:"optional"`
 	Distance          int                `json:"distance" validate:"required"`
 	DistanceDonations []DistanceDonation `json:"distance_donations" validate:"optional"`
 	TotalPerDistance  int                `json:"total_per_distance" validate:"optional"`
 	TotalDonations    int                `json:"total_donations" validate:"optional"`
+	SelfServiceLink   string             `json:"self_service_link" validate:"required"`
 }
 
 type DistanceDonation struct {
@@ -38,4 +40,12 @@ type CertificateTemplateOptions struct {
 	Footer         string                `json:"footer"`
 	CurrencySymbol string                `json:"currency_symbol"`
 	Locale         string                `json:"locale"`
+	SepaConfig     *SepaConfig           `json:"sepa_config"`
+}
+
+type SepaConfig struct {
+	IBAN               string `json:"iban" validate:"required"`
+	HolderName         string `json:"holder_name" validate:"required"`
+	BIC                string `json:"bic" validate:"required"`
+	CurrencyIdentifier string `json:"currency_identifier" validate:"required"`
 }

models/config.go

@@ -1,19 +1,24 @@
 package models
 
 type Config struct {
+	LogLevel                 string `mapstructure:"LOGLEVEL"`
 	Prod                     bool   `mapstructure:"PRODUCION"`
 	Port                     string `mapstructure:"PORT"`
 	APIKey                   string `mapstructure:"APIKEY"`
 	EventName                string `mapstructure:"EVENTNAME"`
 	CurrencySymbol           string `mapstructure:"CURRENCYSYMBOL"`
+	CurrencyIdentifier       string `mapstructure:"CURRENCYIDENTIFIER"`
 	CardSubtitle             string `mapstructure:"CARD_SUBTITLE"`
 	CardBarcodeFormat        string `mapstructure:"CARD_BARCODEFORMAT"`
 	CardBarcodePrefix        string `mapstructure:"CARD_BARCODEPREFIX"`
-	SponsoringReceiptMinimum int    `mapstructure:"SPONSOING_RECEIPTMINIMUM"`
+	SponsoringReceiptMinimum string `mapstructure:"SPONSORING_RECEIPTMINIMUM"`
 	SponosringDisclaimer     string `mapstructure:"SPONSORING_DISCLAIMER"`
 	SponsoringBarcodeFormat  string `mapstructure:"SPONSORING_BARCODEFORMAT"`
 	SponsoringBarcodePrefix  string `mapstructure:"SPONSORING_BARCODEPREFIX"`
 	CertificateFooter        string `mapstructure:"CERTIFICATE_FOOTER"`
 	GotenbergBaseUrl         string `mapstructure:"GOTENBERG_BASEURL"`
 	RedisAddr                string `mapstructure:"REDIS_ADDR"`
+	SepaBic                  string `mapstructure:"SEPA_BIC"`
+	SepaName                 string `mapstructure:"SEPA_NAME"`
+	SepaIban                 string `mapstructure:"SEPA_IBAN"`
 }

models/contract.go

@@ -14,14 +14,17 @@ type Runner struct {
 }
 
 type Group struct {
-	Name string `json:"name" validate:"required"`
+	Name        string `json:"name" validate:"required"`
+	ParentGroup struct {
+		Name string `json:"name" validate:"required"`
+	} `json:"parent_group" validate:"optional"`
 }
 
 type ContractTemplateOptions struct {
 	Runners              []Runner `json:"runners"`
 	CurrencySymbol       string   `json:"currency_symbol"`
 	Disclaimer           string   `json:"disclaimer"`
-	ReceiptMinimumAmount int      `json:"receipt_minimum_amount"`
+	ReceiptMinimumAmount string   `json:"receipt_minimum_amount"`
 	EventName            string   `json:"event_name"`
 	BarcodeFormat        string   `json:"barcode_format"`
 	BarcodePrefix        string   `json:"barcode_prefix"`

services/barcode.go

@@ -8,7 +8,6 @@ import (
 	"image/color"
 	"image/draw"
 	"image/png"
-	"log"
 	"slices"
 	"time"
 
@@ -17,6 +16,7 @@ import (
 	"github.com/boombuler/barcode/ean"
 	"github.com/boombuler/barcode/qr"
 	"github.com/redis/go-redis/v9"
+	"go.uber.org/zap"
 )
 
 type BarcodeService interface {
@@ -26,19 +26,26 @@ type BarcodeService interface {
 
 type DefaultBarcodeService struct {
 	RedisClient *redis.Client
+	Logger      *zap.SugaredLogger
 }
 
 func (b *DefaultBarcodeService) GenerateBarcode(format string, content string, width int, height int, padding int) (bytes.Buffer, error) {
 	ctx := context.Background()
+	logger := b.Logger.Named("GenerateBarcode")
 
 	if !b.IsTypeSupported(format) {
+		logger.Errorw("Unsupported barcode type", "type", format)
 		return bytes.Buffer{}, fmt.Errorf("unsupported barcode type: %s", format)
 	}
 
+	logger = logger.With("type", format, "content", content, "width", width, "height", height, "padding", padding)
+	cacheKey := fmt.Sprintf("barcode:%s:%s:%d:%d:%d", format, content, width, height, padding)
+
 	if b.RedisClient != nil {
-		cachedBarcode, err := b.RedisClient.Get(ctx, fmt.Sprintf("barcode:%s:%s:%d:%d:%d", format, content, width, height, padding)).Result()
+		logger.Debugw("Checking cache for barcode", "key", cacheKey)
+		cachedBarcode, err := b.RedisClient.Get(ctx, cacheKey).Result()
 		if err == nil {
-			log.Printf("Cache hit for barcode:%s:%s:%d:%d", format, content, width, height)
+			logger.Infow("Barcode found in cache", "key", cacheKey)
 			buf := bytes.Buffer{}
 			buf.Write([]byte(cachedBarcode))
 			return buf, nil
@@ -62,7 +69,11 @@ func (b *DefaultBarcodeService) GenerateBarcode(format string, content string, w
 		}
 		break
 	case "qr":
-		generatedCode, err = qr.Encode(content, qr.M, qr.AlphaNumeric)
+		// Always use qr.Auto encoding to support all characters in the content
+		encoding := qr.Auto
+
+		// QR code generation with error correction level M and auto encoding
+		generatedCode, err = qr.Encode(content, qr.M, encoding)
 		if err != nil {
 			return bytes.Buffer{}, err
 		}
@@ -73,6 +84,7 @@ func (b *DefaultBarcodeService) GenerateBarcode(format string, content string, w
 	bg := image.NewRGBA(image.Rect(0, 0, width, height))
 	white := color.RGBA{255, 255, 255, 255}
 	draw.Draw(bg, bg.Bounds(), &image.Uniform{white}, image.Point{}, draw.Src)
+	logger.Debug("Created white background")
 
 	// Calculate the new size for the barcode to fit within the padding
 	newWidth := width - 2*padding
@@ -81,24 +93,32 @@ func (b *DefaultBarcodeService) GenerateBarcode(format string, content string, w
 	// Scale the barcode to the new size
 	scaledCode, err := barcode.Scale(generatedCode, newWidth, newHeight)
 	if err != nil {
+		logger.Errorw("Failed to scale barcode", "error", err)
 		return bytes.Buffer{}, err
 	}
+	logger.Debug("Scaled barcode")
 
 	// Draw the barcode on top of the white background with padding
 	draw.Draw(bg, scaledCode.Bounds().Add(image.Point{padding, padding}), scaledCode, image.Point{}, draw.Over)
+	logger.Debug("Drew barcode on background")
 
 	var buf bytes.Buffer
 	err = png.Encode(&buf, bg)
 	if err != nil {
+		logger.Errorw("Failed to encode barcode to PNG", "error", err)
 		return bytes.Buffer{}, err
 	}
+	logger.Debug("Encoded barcode to PNG")
 
 	if b.RedisClient != nil {
-		err = b.RedisClient.Set(ctx, fmt.Sprintf("barcode:%s:%s:%d:%d", format, content, width, height), buf.String(), 10*time.Minute).Err()
+		err = b.RedisClient.Set(ctx, cacheKey, buf.String(), 10*time.Minute).Err()
+		logger.Debugw("Cached barcode", "key", cacheKey)
 		if err != nil {
+			logger.Errorw("Failed to cache barcode", "error", err)
 			return bytes.Buffer{}, err
 		}
 	}
+	logger.Info("Generated barcode")
 
 	return buf, nil
 }

services/converter.go

@@ -8,6 +8,7 @@ import (
 	"strconv"
 
 	"github.com/oxplot/papersizes"
+	"go.uber.org/zap"
 )
 
 type Converter interface {
@@ -16,92 +17,115 @@ type Converter interface {
 
 type GotenbergConverter struct {
 	BaseUrl string
+	Logger  *zap.SugaredLogger
 }
 
 func (g *GotenbergConverter) ToPdf(html string, pageSize string, landscape bool) ([]byte, error) {
+	logger := g.Logger.Named("ToPdf").With("page_size", pageSize, "landscape", landscape, "base_url", g.BaseUrl)
+
 	client := &http.Client{}
 	defer client.CloseIdleConnections()
+	logger.Debug("Created HTTP client")
 
 	body := &bytes.Buffer{}
 	writer := multipart.NewWriter(body)
 
 	part, err := writer.CreateFormFile("files", "index.html")
 	if err != nil {
+		logger.Errorw("Failed to create form file", "error", err)
 		return nil, err
 	}
 
 	_, err = part.Write([]byte(html))
 	if err != nil {
+		logger.Errorw("Failed to write to form file", "error", err)
 		return nil, err
 	}
 
 	size := papersizes.FromName(pageSize)
 	if size == nil {
+		logger.Errorw("Invalid page size", "size", pageSize)
 		return nil, fmt.Errorf("invalid page size: %s", pageSize)
 	}
 
 	err = writer.WriteField("paperWidth", strconv.Itoa(size.Width)+"mm")
 	if err != nil {
+		logger.Errorw("Failed to write paper width", "error", err)
 		return nil, err
 	}
 
 	err = writer.WriteField("paperHeight", strconv.Itoa(size.Height)+"mm")
 	if err != nil {
+		logger.Errorw("Failed to write paper height", "error", err)
 		return nil, err
 	}
 
 	err = writer.WriteField("landscape", strconv.FormatBool(landscape))
 	if err != nil {
+		logger.Errorw("Failed to write landscape", "error", err)
 		return nil, err
 	}
 
 	err = writer.WriteField("marginTop", "0")
 	if err != nil {
+		logger.Errorw("Failed to write margin top", "error", err)
 		return nil, err
 	}
 
 	err = writer.WriteField("marginBottom", "0")
 	if err != nil {
+		logger.Errorw("Failed to write margin bottom", "error", err)
 		return nil, err
 	}
 
 	err = writer.WriteField("marginLeft", "0")
 	if err != nil {
+		logger.Errorw("Failed to write margin left", "error", err)
 		return nil, err
 	}
 
 	err = writer.WriteField("marginRight", "0")
 	if err != nil {
+		logger.Errorw("Failed to write margin right", "error", err)
 		return nil, err
 	}
 
 	err = writer.WriteField("preferCssPageSize", "true")
 	if err != nil {
+		logger.Errorw("Failed to write prefer css page size", "error", err)
 		return nil, err
 	}
 
 	err = writer.Close()
 	if err != nil {
+		logger.Errorw("Failed to close writer", "error", err)
 		return nil, err
 	}
+	logger.Debug("Created form data")
 
+	logger.Debug("Creating HTTP request")
 	req, err := http.NewRequest("POST", g.BaseUrl+"/forms/chromium/convert/html", body)
 	if err != nil {
 		return nil, err
 	}
 	req.Header.Set("Content-Type", writer.FormDataContentType())
 
+	logger.Debug("Sending HTTP request")
 	resp, err := client.Do(req)
 	if err != nil {
+		logger.Errorw("Failed to send request", "error", err)
 		return nil, err
 	}
+	logger.Debug("Received HTTP response")
 
 	defer resp.Body.Close()
 	data := new(bytes.Buffer)
 	_, err = data.ReadFrom(resp.Body)
 	if err != nil {
+		logger.Errorw("Failed to read response body", "error", err)
 		return nil, err
 	}
 
+	logger.Debug("Returning PDF data")
 	return data.Bytes(), nil
 }

services/templater.go

@@ -7,6 +7,8 @@ import (
 	"fmt"
 	"html/template"
 	"strings"
+
+	"go.uber.org/zap"
 )
 
 type Templater interface {
@@ -17,6 +19,7 @@ type Templater interface {
 type DefaultTemplater struct {
 	BarcodeService BarcodeService
 	StaticService  StaticService
+	Logger         *zap.SugaredLogger
 }
 
 func idToEan13(id string, prefix string) (string, error) {
@@ -32,6 +35,28 @@ func idToEan13(id string, prefix string) (string, error) {
 	return id, nil
 }
 
+func (t *DefaultTemplater) GenerateEPC(iban string, bic string, name string, title string, amount int, currency string) (string, error) {
+	var err error
+
+	code := fmt.Sprintf(`BCD
+002
+1
+INST
+%s
+%s
+%s
+%s%.2f
+
+%s
+
+`, bic, name, iban, currency, float64(amount)/100, title,
+	)
+
+	buf, err := t.BarcodeService.GenerateBarcode("qr", code, 500, 500, 0)
+
+	return base64.StdEncoding.EncodeToString(buf.Bytes()), err
+}
+
 func (t *DefaultTemplater) GenerateBarcode(code string, format string, prefix string) (string, error) {
 	var err error
 
@@ -48,10 +73,13 @@ func (t *DefaultTemplater) GenerateBarcode(code string, format string, prefix st
 }
 
 func (t *DefaultTemplater) SelectSponsorImage(id int) (string, error) {
+	logger := t.Logger.Named("SelectSponsorImage")
 	sponsors, err := t.StaticService.ListFilesInStaticSubFolder("images/sponsors")
 	if err != nil {
+		logger.Errorw("Failed to list sponsors", "error", err)
 		return "", err
 	}
+	logger.Debugw("Selected sponsor", "sponsors", sponsors, "id", id, "selected", sponsors[id%len(sponsors)])
 	return t.StaticService.GetImage("sponsors/" + strings.TrimSuffix(sponsors[id%len(sponsors)], ".base64")), nil
 }
 
@@ -82,6 +110,7 @@ func (t *DefaultTemplater) StringToTemplate(templateString string) (*template.Te
 		"sponsorLogo": t.SelectSponsorImage,
 		"formatUnit":  t.FormatUnit,
 		"loadImage":   t.LoadImage,
+		"epcCode":     t.GenerateEPC,
 	}).Parse(templateString)
 }
 

services/templates.go

@@ -3,8 +3,9 @@ package services
 import (
 	_ "embed"
 	"fmt"
-	"log"
 	"os"
+
+	"go.uber.org/zap"
 )
 
 type StaticService interface {
@@ -14,47 +15,55 @@ type StaticService interface {
 }
 
 type DefaultStaticService struct {
-	Cache map[string]string
+	Cache  map[string]string
+	Logger *zap.SugaredLogger
 }
 
 func (s *DefaultStaticService) GetTemplate(locale, templateName string) (string, error) {
+	logger := s.Logger.Named("GetTemplate").With("locale", locale, "template_name", templateName)
 
 	if s.Cache[locale+templateName] != "" {
-		log.Printf("returning cached template %s with locale %s", templateName, locale)
+		logger.Debugw("Template found in cache", "key", locale+templateName)
 		return s.Cache[locale+templateName], nil
 	}
 
 	content, err := os.ReadFile(fmt.Sprintf("static/templates/%s/%s.html", templateName, locale))
 	if content == nil || err != nil {
-		log.Printf("error reading template %s with locale %s: %v", templateName, locale, err)
+		logger.Errorw("Failed to read template", "error", err)
 		return "", err
 	}
 
 	s.Cache[locale+templateName] = string(content)
+	logger.Debugw("Saved template to cache", "key", locale+templateName)
 
 	return string(content), nil
 }
 
 func (s *DefaultStaticService) ListFilesInStaticSubFolder(folderName string) ([]string, error) {
+	logger := s.Logger.Named("ListFilesInStaticSubFolder").With("folder_name", folderName)
+
 	files, err := os.ReadDir(fmt.Sprintf("static/%s", folderName))
 	if err != nil {
-		log.Printf("error reading files from folder %s: %v", folderName, err)
+		logger.Errorw("Failed to list files", "error", err)
 		return nil, err
 	}
 	var images []string
 	for _, file := range files {
 		if file.IsDir() {
-			continue
+			logger.Debugw("Skipping directory", "file", file.Name())
 		}
 		images = append(images, file.Name())
 	}
+	logger.Debugw("Listed files", "files", images)
 	return images, nil
 }
 
 func (s *DefaultStaticService) GetImage(imageName string) string {
+	logger := s.Logger.Named("GetImage").With("image_name", imageName)
+
 	content, err := os.ReadFile("static/images/" + imageName + ".base64")
 	if content == nil || err != nil {
-		log.Printf("error reading image %s: %v", imageName, err)
+		logger.Errorw("Failed to read image", "error", err)
 		return ImageErrorBase64
 	}
 	return string(content)

static/templates/card/de.html

@@ -2,7 +2,7 @@
 
 <head>
   <meta charset="utf8">
-  <title>Sponsoring contract</title>
+  <title>Läuferkarten</title>
   <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bulma@0.9.1/css/bulma.min.css">
   <style>
     .sheet {
@@ -50,8 +50,12 @@
             <p style="font-size: 0.6rem; text-align: center; margin: 0; padding: 0;">{{ .Code }}</p>
           </div>
         </div>
+        {{ if ne .Runner.FirstName "" }}
         <p>{{ .Runner.LastName }}, {{ .Runner.FirstName }} {{ .Runner.MiddleName }}</p>
-        <p>{{ .Runner.Group.Name }}</p>
+        <p>{{ if ne .Runner.Group.ParentGroup.Name "" -}}{{ .Runner.Group.ParentGroup.Name }}/{{end -}}{{ .Runner.Group.Name }}</p>
+        {{ else }}
+        <p>Kein Läufer zugewiesen</p>
+        {{ end}}
         {{ end}}
       </div>
       {{ end }}

static/templates/card/en.html

@@ -2,7 +2,7 @@
 
 <head>
   <meta charset="utf8">
-  <title>Sponsoring contract</title>
+  <title>Runner cards</title>
   <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bulma@0.9.1/css/bulma.min.css">
   <style>
     .sheet {
@@ -49,8 +49,12 @@
             <p style="font-size: 0.6rem; text-align: center; margin: 0; padding: 0;">{{ .Code }}</p>
           </div>
         </div>
+        {{ if ne .Runner.FirstName ""}}
         <p>{{ .Runner.LastName }}, {{ .Runner.FirstName }} {{ .Runner.MiddleName }}</p>
-        <p>{{ .Runner.Group.Name }}</p>
+        <p>{{ if ne .Runner.Group.ParentGroup.Name "" -}}{{ .Runner.Group.ParentGroup.Name }}/{{end -}}{{ .Runner.Group.Name }}</p>
+        {{ else }}
+        <p>Blank card</p>
+        {{ end}}
       </div>
       {{ end }}
     </div>

static/templates/certificate/de.html

@@ -2,7 +2,7 @@
 
 <head>
   <meta charset="utf8">
-  <title>Sponsoring contract</title>
+  <title>Läuferurkunde</title>
   <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bulma@0.9.1/css/bulma.min.css">
   <style>
     .sheet {
@@ -87,13 +87,30 @@
           <td>Gesamt</td>
           <td>{{ formatUnit "euro" $.Locale .TotalPerDistance }} {{ $.CurrencySymbol }}</td>
           <td>{{ formatUnit "euro" $.Locale .TotalDonations }} {{ $.CurrencySymbol }}</td>
-        </tfoot>
-      </table>
-    </main>
-    <footer class="certificate-footer">
-      <p>
-        {{ $.Footer }}
-      </p>
+        </table>
+        </main>
+        <footer class="certificate-footer">
+            <table style="border-collapse: collapse; border: none; width: 17cm;">
+            <thead>
+              <tr>
+              <th style="border: none; width: 50%; text-align: center;">Link zu deinen Rundenzeiten</th>
+              <th style="border: none; width: 50%; text-align: center;">Spende überweisen</th>
+              </tr>
+            </thead>
+            <tbody>
+              <tr>
+              <td style="border: none; text-align: center;">
+                <img src="data:image/png;base64,{{ barcode .SelfServiceLink "qr" "" }}" style="height: 2.5cm; padding: 0.2cm">
+              </td>
+              <td style="border: none; text-align: center;">
+                <img src="data:image/png;base64,{{ epcCode $.SepaConfig.IBAN $.SepaConfig.BIC $.SepaConfig.HolderName (print "Spende LfK " .ID ", "  .FirstName " " .LastName ", " .CombinedGroupName) .TotalDonations $.SepaConfig.CurrencyIdentifier}}" style="height: 2.5cm; padding: 0.2cm">
+              </td>
+              </tr>
+            </tbody>
+            </table>
+            <p style="width: 17cm; text-align: center;">
+              Sponsoren überweisen ihre Beträge bitte auf unser Konto: {{ $.SepaConfig.HolderName }} | IBAN: {{ $.SepaConfig.IBAN }} | BIC: {{ $.SepaConfig.BIC }} | Vz: "Spende LfK {{.ID}}, {{ .FirstName }} {{ .LastName }}, {{.CombinedGroupName}}"
+            </p>
     </footer>
   </article>
   {{ end }}

static/templates/certificate/en.html

@@ -2,7 +2,7 @@
 
 <head>
   <meta charset="utf8">
-  <title>Sponsoring contract</title>
+  <title>Runner certificate</title>
   <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bulma@0.9.1/css/bulma.min.css">
   <style>
     .sheet {
@@ -91,8 +91,26 @@
       </table>
     </main>
     <footer class="certificate-footer">
-      <p>
-        {{ $.Footer }}
+      <table style="border-collapse: collapse; border: none; width: 17cm;">
+        <thead>
+          <tr>
+            <th style="border: none; width: 50%; text-align: center;">Link to your lap times</th>
+            <th style="border: none; width: 50%; text-align: center;">Transfer donation via SEPA</th>
+          </tr>
+        </thead>
+        <tbody>
+          <tr>
+          <td style="border: none; text-align: center;">
+            <img src="data:image/png;base64,{{ barcode .SelfServiceLink "qr" "" }}" style="height: 2.5cm; padding: 0.2cm">
+          </td>
+          <td style="border: none; text-align: center;">
+            <img src="data:image/png;base64,{{ epcCode $.SepaConfig.IBAN $.SepaConfig.BIC $.SepaConfig.HolderName (print "Spende LfK " .ID ", "  .FirstName " " .LastName ", " .CombinedGroupName) .TotalDonations $.SepaConfig.CurrencyIdentifier}}" style="height: 2.5cm; padding: 0.2cm">
+          </td>
+          </tr>
+        </tbody>
+        </table>
+      <p style="width: 17cm; text-align: center;">
+        Donors, please transfer your donation to our account: {{ $.SepaConfig.HolderName }} | IBAN: {{ $.SepaConfig.IBAN }} | BIC: {{ $.SepaConfig.BIC }} | Ref: "Spende LfK {{.ID}}, {{ .FirstName }} {{ .LastName }}, {{.CombinedGroupName}}"
       </p>
     </footer>
   </article>

static/templates/contract/de.html

@@ -65,8 +65,8 @@
           <p style="font-size: x-small; display: block;">Nachname</p>
         </div>
         <div class="column is-6">
-          <span style="border-bottom: 1px solid; width: 100%; display: block;">{{ .Group.Name }}</span>
-          <p style="font-size: x-small; display: block;">Team/ Klasse</p>
+          <span style="border-bottom: 1px solid; width: 100%; display: block;"><p>{{ if ne .Group.ParentGroup.Name "" -}}{{ .Group.ParentGroup.Name }}/ {{end -}}{{ .Group.Name }}</p></span>
+          <p style="font-size: x-small; display: block;">Team/Klasse</p>
         </div>
       </div>
       <p style="margin-top: -0.5rem">mit einem Betrag von _____ {{ $.CurrencySymbol }} pro gelaufenem Kilometer zu

static/templates/contract/en.html

@@ -64,7 +64,7 @@
           <p style="font-size: x-small; display: block;">Last Name</p>
         </div>
         <div class="column is-6">
-          <span style="border-bottom: 1px solid; width: 100%; display: block;">{{ .Group.Name}}</span>
+          <span style="border-bottom: 1px solid; width: 100%; display: block;"><p>{{ if ne .Group.ParentGroup.Name "" -}}{{ .Group.ParentGroup.Name }}/ {{end -}}{{ .Group.Name }}</p></span>
           <p style="font-size: x-small; display: block;">Team/class</p>
         </div>
       </div>