fixed #61, #62 refactored getTime variants

Backend/helper/paramParser/main.go

@@ -5,6 +5,7 @@ import (
 	"log/slog"
 	"net/url"
 	"strconv"
+	"strings"
 	"time"
 )
 
@@ -12,6 +13,30 @@ type ParamsParser struct {
 	urlParams url.Values
 }
 
+func (p ParamsParser) ParseStringListFallback(key string, delimiter string, fallback []string) []string {
+	if !p.urlParams.Has(key) {
+		return fallback
+	}
+	paramList := p.urlParams.Get(key)
+	list := strings.Split(paramList, delimiter)
+	return list
+}
+
+func (p ParamsParser) ParseIntListFallback(key string, delimiter string, fallback []int) []int {
+	if !p.urlParams.Has(key) {
+		return fallback
+	}
+	paramList := p.urlParams.Get(key)
+	list := strings.Split(paramList, delimiter)
+	parsedList := make([]int, 0)
+	for _, item := range list {
+		if parsedItem, err := strconv.Atoi(item); err == nil {
+			parsedList = append(parsedList, parsedItem)
+		}
+	}
+	return parsedList
+}
+
 type NoValueError struct {
 	Key string
 }

Backend/helper/time.go

@@ -16,6 +16,13 @@ func GetMonday(ts time.Time) time.Time {
 	return ts
 }
 
+func GetFirstOfMonth(ts time.Time) time.Time {
+	if ts.Day() > 1 {
+		return ts.AddDate(0, 0, -(ts.Day() - 1))
+	}
+	return ts
+}
+
 func IsWeekend(ts time.Time) bool {
 	return ts.Weekday() == time.Saturday || ts.Weekday() == time.Sunday
 }