Statische Seiten

helpers/functions/datetime.go

@@ -0,0 +1,67 @@
+package functions
+
+import (
+	"fmt"
+	"time"
+)
+
+type Weekday struct {
+	Name      string
+	ShortName string
+	Number    int
+}
+
+type Month struct {
+	Name      string
+	ShortName string
+	Number    int
+}
+
+var Months = []Month{
+	{"Januar", "Jan", 1},
+	{"Februar", "Feb", 2},
+	{"März", "Mär", 3},
+	{"April", "Apr", 4},
+	{"Mai", "Mai", 5},
+	{"Juni", "Jun", 6},
+	{"Juli", "Jul", 7},
+	{"August", "Aug", 8},
+	{"September", "Sep", 9},
+	{"Oktober", "Okt", 10},
+	{"November", "Nov", 11},
+	{"Dezember", "Dez", 12},
+	{"N/A", "N/A", 0},
+}
+
+var Weekdays = []Weekday{
+	{"Sonntag", "So", 0},
+	{"Montag", "Mo", 1},
+	{"Dienstag", "Di", 2},
+	{"Mittwoch", "Mi", 3},
+	{"Donnerstag", "Do", 4},
+	{"Freitag", "Fr", 5},
+	{"Samstag", "Sa", 6},
+	{"N/A", "N/A", 7},
+}
+
+func Today() time.Time {
+	return time.Now()
+}
+
+func GetMonth(month any) Month {
+	if val, ok := month.(int); ok {
+		val -= 1
+		if val < 0 || val > 11 {
+			val = 12
+		}
+		return Months[val]
+	}
+
+	if val, ok := month.(time.Time); ok {
+		m := val.Month() - 1
+		return Months[m]
+	}
+
+	fmt.Println("Invalid month value", month)
+	return Months[12]
+}

helpers/functions/int.go

@@ -0,0 +1,11 @@
+package functions
+
+func Add(a, b any) int {
+	val1, ok1 := a.(int)
+	val2, ok2 := b.(int)
+	if !ok1 || !ok2 {
+		return 0
+	}
+
+	return val1 + val2
+}

helpers/functions/templates.go

@@ -6,8 +6,8 @@ func Arr(els ...any) []any {
 	return els
 }
 
+// Must have even number of args: key, value, key, value, ...
 func Dict(values ...interface{}) (map[string]interface{}, error) {
-	// Must have even number of args: key, value, key, value, ...
 	if len(values)%2 != 0 {
 		return nil, fmt.Errorf("invalid dict call: must have even number of args")
 	}

helpers/functions/toc.go

@@ -0,0 +1,48 @@
+package functions
+
+import (
+	"golang.org/x/net/html"
+	"strconv"
+	"strings"
+)
+
+type TOCEntry struct {
+	Level int
+	Title string
+}
+
+func getText(n *html.Node) string {
+	if n.Type == html.TextNode {
+		return n.Data
+	}
+	var sb strings.Builder
+	for c := n.FirstChild; c != nil; c = c.NextSibling {
+		sb.WriteString(getText(c))
+	}
+	return sb.String()
+}
+
+func TOCFromHTML(htmlStr string) ([]TOCEntry, error) {
+	doc, err := html.Parse(strings.NewReader(htmlStr))
+	toc := []TOCEntry{}
+	if err != nil {
+		return toc, err
+	}
+	var f func(*html.Node)
+	f = func(n *html.Node) {
+		if n.Type == html.ElementNode {
+			if len(n.Data) == 2 && n.Data[0] == 'h' && n.Data[1] >= '1' && n.Data[1] <= '6' {
+				level, err := strconv.Atoi(n.Data[1:])
+				if err == nil {
+					title := strings.TrimSpace(getText(n))
+					toc = append(toc, TOCEntry{Level: level, Title: title})
+				}
+			}
+		}
+		for c := n.FirstChild; c != nil; c = c.NextSibling {
+			f(c)
+		}
+	}
+	f(doc)
+	return toc, nil
+}