Done all

gosrc/main.go

@@ -0,0 +1,56 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"os"
+	"os/exec"
+	"path"
+	"strings"
+
+	"github.com/gofiber/fiber/v2"
+	"github.com/google/uuid"
+)
+
+var rootPath string
+
+func main() {
+	rootPath = os.Getenv("APP_ROOT_PATH")
+	if rootPath == "" {
+		rootPath = "/app"
+	}
+
+	app := fiber.New()
+
+	app.Post("ebook", handleEbook)
+
+	log.Fatal(app.Listen(":80"))
+}
+
+func handleEbook(c *fiber.Ctx) error {
+
+	f, err := c.FormFile("file")
+	if err != nil {
+		return c.Status(fiber.StatusBadRequest).SendString(fmt.Sprintf("error receiving file: %s", err))
+	}
+
+	sp := path.Join(rootPath, fmt.Sprintf("storage/%s.json", uuid.NewString()))
+
+	err = c.SaveFile(f, sp)
+	if err != nil {
+		return c.Status(fiber.StatusInternalServerError).SendString(fmt.Sprintf("failed to save file: %s", err))
+	}
+
+	cmd := exec.Command(path.Join(rootPath, "genpdf"), "generate:ebook", sp)
+
+	o, err := cmd.Output()
+	if err != nil {
+		return c.Status(fiber.StatusInternalServerError).SendString(fmt.Sprintf("failed to convert ebook: %s", err))
+	}
+	err = c.Download(strings.TrimSpace(string(o)))
+	if err != nil {
+		return c.Status(fiber.StatusInternalServerError).SendString(fmt.Sprintf("failed to sending ebook: %s", err))
+	}
+
+	return nil
+}