[fix] core:commands: #108 rework keys cli options

Cargo.lock

@@ -1031,6 +1031,7 @@ name = "durs-core"
 version = "0.3.0-dev"
 dependencies = [
  "chrono 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "clap 2.33.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "clear_on_drop 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "dirs 2.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "dubp-currency-params 0.2.0",

lib/core/conf/src/keys.rs

@@ -74,13 +74,22 @@ pub fn modify_member_keys(
 /// Clear keys command
 pub fn clear_keys(network: bool, member: bool, mut key_pairs: DuniterKeyPairs) -> DuniterKeyPairs {
     if network {
+        match question_prompt("Clear your network keypair?", &["y", "n"]) {
+            Ok(answer) if answer == "y" => {
+                println!("Generating a new network keypair!");
                 key_pairs.network_keypair = generate_random_keypair(KeysAlgo::Ed25519);
             }
+            _ => (),
+        }
+    }
     if member {
-        key_pairs.member_keypair = None;
+        match question_prompt("Clear your member keypair?", &["y", "n"]) {
+            Ok(answer) if answer == "y" => {
+                println!("Deleting member keypair!");
+                key_pairs.member_keypair = None
+            }
+            _ => (),
         }
-    if !network && !member {
-        println!("No key was cleared. Please specify a key to clear.")
     }
     key_pairs
 }
@@ -111,7 +120,7 @@ pub fn save_keypairs(
     Ok(())
 }
 
-fn question_prompt(question: &str, answers: Vec<String>) -> Result<String, WizardError> {
+fn question_prompt<'a>(question: &str, answers: &[&'a str]) -> Result<&'a str, WizardError> {
     let mut buf = String::new();
 
     println!("{} ({}):", question, answers.join("/"));
@@ -119,9 +128,9 @@ fn question_prompt(question: &str, answers: Vec<String>) -> Result<String, Wizar
 
     match res {
         Ok(_) => {
-            let answer = answers.into_iter().find(|x| x == buf.trim());
+            let answer = answers.iter().find(|x| **x == buf.trim());
             match answer {
-                Some(value) => Ok(value),
+                Some(&value) => Ok(value),
                 None => Err(WizardError::Canceled),
             }
         }
@@ -149,18 +158,12 @@ fn salt_password_prompt() -> Result<KeyPairEnum, WizardError> {
 
 /// The wizard key function
 pub fn key_wizard(mut key_pairs: DuniterKeyPairs) -> Result<DuniterKeyPairs, WizardError> {
-    let mut answer = question_prompt(
-        "Modify your network keypair?",
-        vec!["y".to_string(), "n".to_string()],
-    )?;
+    let mut answer = question_prompt("Modify your network keypair?", &["y", "n"])?;
     if answer == "y" {
         key_pairs.network_keypair = salt_password_prompt()?;
     }
 
-    answer = question_prompt(
-        "Modify your member keypair?",
-        vec!["y".to_string(), "n".to_string(), "d".to_string()],
-    )?;
+    answer = question_prompt("Modify your member keypair?", &["y", "n", "d"])?;
     if answer == "y" {
         key_pairs.member_keypair = Some(salt_password_prompt()?);
     } else if answer == "d" {

lib/core/core/Cargo.toml

@@ -11,6 +11,7 @@ path = "src/lib.rs"
 
 [dependencies]
 chrono = "0.4"
+clap = "2.33.0"
 clear_on_drop = "0.2.3"
 dirs = "2.0.2"
 durs-bc = { path = "../../modules/blockchain/blockchain" }

lib/core/core/src/commands/keys.rs

@@ -18,6 +18,7 @@
 use crate::commands::DursExecutableCoreCommand;
 use crate::errors::DursCoreError;
 use crate::DursCore;
+use clap::arg_enum;
 use clear_on_drop::clear::Clear;
 use durs_conf::keys::*;
 use durs_conf::DuRsConf;
@@ -91,20 +92,33 @@ pub enum ModifySubCommand {
     NetworkSaltPassword(SaltPasswordOpt),
 }
 
+arg_enum! {
+    /// KeyKind
+    #[derive(Debug, Copy, Clone, PartialEq)]
+    enum KeyKind {
+        MEMBER,
+        NETWORK,
+        ALL,
+    }
+}
+
+impl KeyKind {
+    /// Returns if key kind is member
+    pub fn is_member(self) -> bool {
+        self == KeyKind::MEMBER || self == KeyKind::ALL
+    }
+    /// Returns if key kind is network
+    pub fn is_network(self) -> bool {
+        self == KeyKind::NETWORK || self == KeyKind::ALL
+    }
+}
+
 #[derive(StructOpt, Debug, Copy, Clone)]
 /// ClearOpt
 pub struct ClearOpt {
-    #[structopt(short = "m", long = "member")]
-    /// True if we change member key
-    pub member: bool,
-
-    #[structopt(short = "n", long = "network")]
-    /// True if we change network key
-    pub network: bool,
-
-    #[structopt(short = "a", long = "all")]
-    /// True if we change member and network key
-    pub all: bool,
+    /// Key to clear
+    #[structopt(possible_values = &KeyKind::variants(), case_insensitive = true)]
+    key: KeyKind,
 }
 
 #[derive(StructOpt, Debug, Clone)]
@@ -169,8 +183,8 @@ impl DursExecutableCoreCommand for KeysOpt {
             },
             KeysSubCommand::Clear(clear_opt) => {
                 let new_keypairs = clear_keys(
-                    clear_opt.network || clear_opt.all,
-                    clear_opt.member || clear_opt.all,
+                    clear_opt.key.is_network(),
+                    clear_opt.key.is_member(),
                     keypairs,
                 );
                 save_keypairs(profile_path, &keypairs_file, new_keypairs)