feat(handlers): Added info logging

handlers/contract.go

@@ -1,7 +1,6 @@
 package handlers
 
 import (
-	"log"
 	"slices"
 
 	"git.odit.services/lfk/document-server/models"
@@ -19,29 +18,37 @@ 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",
 		})
 	}
 
+	logger = logger.With("locale", contract.Locale)
+
 	contract.Runners = repeatRunnerArrayItems(contract.Runners, 2)
 
 	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(),
 		})
@@ -57,19 +64,23 @@ 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")