feat: update staff data

internal/services/staffsvc/update.go

@@ -0,0 +1,24 @@
+package staffsvc
+
+import (
+	staffdomain "legalgo-BE-go/internal/domain/staff"
+)
+
+func (as *impl) Update(id string, spec staffdomain.StaffUpdate) error {
+	if _, err := as.staffRepo.GetStaffByID(id); err != nil {
+		return err
+	}
+
+	newSpec := staffdomain.Staff{
+		ID:             id,
+		Email:          spec.Email,
+		Name:           spec.Name,
+		ProfilePicture: spec.ProfilePicture,
+	}
+
+	if err := as.staffRepo.Update(newSpec); err != nil {
+		return err
+	}
+
+	return nil
+}