Create a new zettel with a given title

Signed-off-by: Oliver Davies <oliver@oliverdavies.uk>

internal/lib/zet.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"log"
 	"os"
+	"os/exec"
 	"path"
 	"regexp"
 	"sort"
@@ -12,6 +13,32 @@ import (
 	"strings"
 )
 
+func CreateZet(title string) {
+	zid := newZid()
+
+	fmt.Println(title, zid)
+
+	path := path.Join(GetZetDir(), strconv.Itoa(zid))
+
+	os.Mkdir(path, 0750)
+
+	filePath := fmt.Sprintf("%s/index.adoc", path)
+
+	file, err := os.Create(filePath)
+
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	defer file.Close()
+
+	_, err = fmt.Fprintf(file, "= %s", title)
+
+	if err != nil {
+		log.Fatal(err)
+	}
+}
+
 func EditZet(id int) {
 	zetPath := path.Join(GetZetDir(), strconv.Itoa(id), "index.adoc")
 
@@ -139,6 +166,24 @@ func getTitleFromFile(filePath string) string {
 	return ""
 }
 
+func newZid() int {
+	cmd := exec.Command("ls", GetZetDir())
+	output, _ := cmd.CombinedOutput()
+
+	zets := strings.Split(string(output), "\n")
+
+	var zetCount int
+
+	for _, zet := range zets {
+		num, err := strconv.Atoi(zet)
+		if err == nil && num > zetCount {
+			zetCount = num
+		}
+	}
+
+	return zetCount + 1
+}
+
 func onSave(id int) {
 	title := getTitle(id)