Add JSON support.

src/habit.rs

@@ -17,10 +17,12 @@
  */
 
 use uuid::Uuid;
+use serde::{Serialize, Deserialize};
 
+#[derive(Serialize, Deserialize)]
 pub struct Habit
 {
-	uid:Uuid,
+	uid:String,
 	name:String,
 	bad:bool,
 	weight:u8,
@@ -32,14 +34,14 @@ impl Habit
 	{
 		Self
 		{
-			uid: Uuid::new_v4(),
+			uid: Uuid::new_v4().hyphenated().to_string(),
 			name,
 			bad,
 			weight,
 		}
 	}
 
-	pub fn get_uid(&self) -> String { self.uid.to_string() }
+	pub fn get_uid(&self) -> &String { &self.uid }
 	pub fn get_name(&self) -> &String { &self.name }
 	pub fn get_bad(&self) -> bool { self.bad }
 	pub fn get_weight(&self) -> u8 { self.weight }

src/main.rs

@@ -21,7 +21,6 @@ use structopt::clap::AppSettings;
 use std::env;
 use std::path::PathBuf;
 use std::fs;
-//use std::result::Result;
 
 mod habit;
 mod habitmgr;