add in a base OTPResult class with initializers and as_string/as_u32 methods

Author: tmthecoder

src/lib.rs

@@ -80,3 +80,4 @@
 pub mod hotp;
 pub mod totp;
 pub mod util;
+pub mod otp_result;

src/otp_result.rs

@@ -0,0 +1,26 @@
+use std::time::{SystemTime, UNIX_EPOCH};
+
+struct OTPResult {
+    digits: u32,
+    code: u32,
+}
+
+impl OTPResult {
+    pub fn new(digits: u32, code: u32 ) -> Self {
+        OTPResult { digits, code }
+    }
+}
+
+impl OTPResult {
+    pub fn get_digits(&self) -> u32 { self.digits }
+}
+
+impl OTPResult {
+    pub fn as_string(&self) -> String {
+        format!("{:01$}", self.code as usize, self.digits as usize)
+    }
+
+    pub fn as_u32(&self) -> u32 {
+        self.code
+    }
+}