separaded endpoints + cleaned page templates + added constants to time formatting

Backend/helper/logs/main.go

@@ -14,7 +14,7 @@ type FileLog struct {
 var Logs map[string]FileLog = make(map[string]FileLog)
 
 func NewAudit() (i *log.Logger, close func() error) {
-	LOG_FILE := "logs/" + time.Now().Format("2006-01-02") + ".log"
+	LOG_FILE := "logs/" + time.Now().Format(time.DateOnly) + ".log"
 	logFile, err := os.OpenFile(LOG_FILE, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
 	if err != nil {
 		log.Panic(err)

Backend/helper/paramParser/main.go

@@ -0,0 +1,31 @@
+package paramParser
+
+import (
+	"log/slog"
+	"net/url"
+	"time"
+)
+
+type ParamsParser struct {
+	urlParams url.Values
+}
+
+func New(_urlParams url.Values) ParamsParser {
+	return ParamsParser{
+		urlParams: _urlParams,
+	}
+}
+
+func (p *ParamsParser) ParseTimestamp(key string, format string, fallback time.Time) time.Time {
+	paramTimestamp := p.urlParams.Get(key)
+	if paramTimestamp == "" {
+		return fallback
+	}
+	if timestamp, err := time.Parse(format, paramTimestamp); err == nil {
+		return timestamp
+	} else {
+		slog.Warn("Error parsing HTTP Params to timestamp", slog.Any("key", key), slog.Any("error", err))
+		return fallback
+	}
+
+}

Backend/helper/time_test.go

@@ -6,8 +6,8 @@ import (
 )
 
 func TestGetMonday(t *testing.T) {
-	isMonday, err := time.Parse("2006-01-02", "2025-07-14")
-	notMonday, err := time.Parse("2006-01-02", "2025-07-16")
+	isMonday, err := time.Parse(time.DateOnly, "2025-07-14")
+	notMonday, err := time.Parse(time.DateOnly, "2025-07-16")
 	if err != nil || isMonday.Equal(notMonday) {
 		t.Errorf("U stupid? %e", err)
 	}