First version

internals/templates/templates.go

@@ -0,0 +1,40 @@
+package templates
+
+import (
+	_ "embed"
+	"fmt"
+	"hoster/internals/conf"
+	"os"
+	"path/filepath"
+	"text/template"
+
+	"github.com/gookit/goutil/fsutil"
+)
+
+func Execute(name string, outPath string, context any) error {
+	tplPath := filepath.Join(conf.App.MustString(fmt.Sprintf("templates.%s", name)))
+
+	if !fsutil.IsFile(tplPath) {
+		return fmt.Errorf("template file \"%s\" doesn't exist", tplPath)
+	}
+
+	outFile, err := os.Create(outPath)
+	if err != nil {
+		return err
+	}
+
+	defer outFile.Close()
+
+	tpl, err := os.ReadFile(tplPath)
+	if err != nil {
+		return err
+	}
+
+	err = template.Must(template.New("tpl").Parse(string(tpl))).Execute(outFile, context)
+
+	if err != nil {
+		return err
+	}
+
+	return nil
+}