Update validation package to work with `generation.Parameters` type

validation/validate.go

@@ -1,29 +1,33 @@
 package validation
 
-import "fmt"
+import (
+	"fmt"
 
-func Validate(input string, format string) bool {
+	"git.fjla.uk/fred.boniface/barcodes/generation"
-	rule, exists := FormatRules[format]
+)
+
+func Validate(params generation.Parameters) bool {
+	rule, exists := FormatRules[string(params.Format)]
 	if !exists {
-		fmt.Printf("Error: No rule found for format '%s'\n", format)
+		fmt.Printf("Error: No rule found for format '%s'\n", params.Format)
 		return false
 	}
 
-	if uint64(len(input)) < rule.minLength || uint64(len(input)) > rule.maxLength {
+	if uint64(len(params.Content)) < rule.minLength || uint64(len(params.Content)) > rule.maxLength {
 		fmt.Printf("Validation Error: Length must be between %d and %d\n", rule.minLength, rule.maxLength)
 		return false
 	}
 
-	if !rule.charset.MatchString(input) {
+	if !rule.charset.MatchString(params.Content) {
 		fmt.Println("Validation Error: Contains illegal characters")
 		return false
 	}
 
-	if uint64(len(input))%uint64(rule.divisible) != 0 {
+	if uint64(len(params.Content))%uint64(rule.divisible) != 0 {
 		fmt.Printf("Validation Error: Length must be a multiple of %d", rule.divisible)
 		return false
 	}
 
-	fmt.Printf("Validation passed for barcode type %s\n", format)
+	fmt.Printf("Validation passed for barcode type %s\n", params.Format)
 	return true
 }

web/routeGenerate.go

@@ -26,7 +26,7 @@ func generateBarcode(w http.ResponseWriter, r *http.Request) {
 		Content:  req.Content,
 	}
 
-	validate := validation.Validate(req.Content, req.BarcodeType)
+	validate := validation.Validate(parameters)
 	if !validate {
 		fmt.Println("Validation Failed")
 		http.Error(w, "Validation Failed", http.StatusBadRequest)