Fix UI issues and add Pins and Templates

backend/handlers/onlyoffice.go

@@ -166,6 +166,67 @@ func (h *OnlyOfficeHandler) CreateBlank(c *fiber.Ctx) error {
 	})
 }
 
+// POST /api/onlyoffice/template
+func (h *OnlyOfficeHandler) CreateFromTemplate(c *fiber.Ctx) error {
+	var req struct {
+		TemplateName string `json:"template"` // e.g., "apa.docx"
+	}
+	if err := c.BodyParser(&req); err != nil {
+		return c.Status(400).JSON(fiber.Map{"error": "invalid request"})
+	}
+
+	srcPath := filepath.Join("templates", req.TemplateName)
+	if _, err := os.Stat(srcPath); os.IsNotExist(err) {
+		return c.Status(404).JSON(fiber.Map{"error": "template not found"})
+	}
+
+	// Figure out a safe name in root directory
+	baseName := "Untitled Document"
+	ext := ".docx"
+	if strings.HasSuffix(req.TemplateName, ".pptx") {
+		baseName = "Untitled Presentation"
+		ext = ".pptx"
+	}
+	if req.TemplateName == "apa.docx" {
+		baseName = "APA Paper"
+	} else if req.TemplateName == "resume.docx" {
+		baseName = "Resume"
+	}
+
+	finalPath := filepath.Join(h.Config.StorageDir, baseName+ext)
+	counter := 1
+	for {
+		if _, err := os.Stat(finalPath); os.IsNotExist(err) {
+			break
+		}
+		finalPath = filepath.Join(h.Config.StorageDir, fmt.Sprintf("%s (%d)%s", baseName, counter, ext))
+		counter++
+	}
+
+	// Copy the template file
+	srcFile, err := os.Open(srcPath)
+	if err != nil {
+		return c.Status(500).JSON(fiber.Map{"error": "failed to open template"})
+	}
+	defer srcFile.Close()
+
+	destFile, err := os.Create(finalPath)
+	if err != nil {
+		return c.Status(500).JSON(fiber.Map{"error": "failed to create destination file"})
+	}
+	defer destFile.Close()
+
+	if _, err := io.Copy(destFile, srcFile); err != nil {
+		return c.Status(500).JSON(fiber.Map{"error": "failed to copy template data"})
+	}
+
+	relativePath, _ := filepath.Rel(h.Config.StorageDir, finalPath)
+	return c.JSON(fiber.Map{
+		"path": filepath.ToSlash(relativePath),
+		"name": filepath.Base(finalPath),
+	})
+}
+
 // ListOfficeFiles returns all .docx or .pptx files across the entire storage directory.
 // GET /api/onlyoffice/files?type=docx|pptx
 func (h *OnlyOfficeHandler) ListOfficeFiles(c *fiber.Ctx) error {