From 1bba2f798f27e20f5b8f7053bdfab02ae5b2fff8 Mon Sep 17 00:00:00 2001
From: ducdetronquito <g.paulet@smartway.ai>
Date: Sat, 23 Dec 2023 15:25:31 +0100
Subject: [PATCH] feat: Display the person's age

---
 src/lib.rs  | 11 ++++++++---
 src/main.rs | 13 +++++++++++--
 2 files changed, 19 insertions(+), 5 deletions(-)

diff --git a/src/lib.rs b/src/lib.rs
index 6ee358d..193fcda 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -25,10 +25,15 @@ pub fn add_birthday(name: String, date: String) -> Result<()> {
     Ok(())
 }
 
-#[derive(Debug)]
 pub struct Birthday {
-    name: String,
-    date: NaiveDate,
+    pub name: String,
+    pub date: NaiveDate,
+}
+
+impl Birthday {
+    pub fn age(&self, today: NaiveDate) -> Option<u32> {
+        today.years_since(self.date)
+    }
 }
 
 pub fn get_all_birthdays() -> Result<Vec<Birthday>> {
diff --git a/src/main.rs b/src/main.rs
index c034bf9..1916214 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,5 +1,6 @@
 use anyhow::Result;
-use birthday::{add_birthday, Birthday};
+use birthday::Birthday;
+use chrono::Utc;
 use clap::{Parser, Subcommand};
 
 #[derive(Parser, Debug)]
@@ -32,8 +33,16 @@ enum Command {
 }
 
 fn print_birthdays(birthdays: Vec<Birthday>) {
+    let today = Utc::now().date_naive();
     for birthday in birthdays {
-        println!("{:?}", birthday);
+        let age = match birthday.age(today) {
+            Some(age) => age.to_string(),
+            None => "".to_owned(),
+        };
+        println!(
+            "Name={} Birthdate={} Age={}",
+            birthday.name, birthday.date, age
+        );
     }
 }