cli: extract remove subcommand

src/cli.rs

@@ -18,6 +18,7 @@ pub mod finish;
 pub mod list;
 pub mod pause;
 pub mod priority;
+pub mod remove;
 pub mod start;
 pub mod status;
 
@@ -47,9 +48,7 @@ pub enum SubCommand {
 
         idx: usize,
     },
-    Remove {
-        idx: usize,
-    },
+    Remove(self::remove::Args),
     Priority(self::priority::Args),
     List,
     Start(self::start::Args),

src/cli/remove.rs

@@ -0,0 +1,56 @@
+use std::io::{BufRead, Write};
+use std::path::PathBuf;
+
+use crate::{CurrentTaskInfo, Task};
+
+#[derive(clap::Args)]
+pub struct Args {
+    idx: usize,
+}
+
+pub struct Request {
+    pub args: Args,
+    pub current_task_info: Option<CurrentTaskInfo>,
+    pub tasks: Vec<Task>,
+    pub tasks_file_path: PathBuf,
+}
+
+pub fn execute(mut req: Request) {
+    if req.current_task_info.is_some() {
+        panic!("You can remove task only when you don't have an active task, yet");
+    }
+
+    let idx = req.args.idx;
+    if idx == 0 || idx > req.tasks.len() {
+        panic!("invalid index");
+    }
+
+    let task = &req.tasks[idx - 1];
+    println!("You are deleting task:");
+    println!("  {}", task.name);
+    if let Some(ref link) = task.link {
+        println!("  link: {}", link);
+    }
+
+    println!("In most cases you need to `finish` command");
+    loop {
+        print!("Do you still want to delete the task? (y/N): ");
+        std::io::stdout().flush().unwrap();
+        let mut stdin = std::io::stdin().lock();
+        let mut buf = String::new();
+        stdin.read_line(&mut buf).unwrap();
+        match buf.chars().next().unwrap_or_default() {
+            '\r' | '\n' | 'n' | 'N' => return,
+            'y' | 'Y' => break,
+            _ => println!("Unrecognised answer. Please try again."),
+        }
+    }
+
+    req.tasks.remove(idx - 1);
+
+    let mut file = std::fs::File::create(&req.tasks_file_path).unwrap();
+    file.write_all(&serde_json::to_vec(&req.tasks).unwrap())
+        .unwrap();
+
+    println!("removed");
+}

src/main.rs

@@ -28,7 +28,7 @@
 
 use clap::Parser;
 use serde::{Deserialize, Serialize};
-use std::io::{BufRead, Write};
+use std::io::Write;
 use xdg::BaseDirectories;
 
 mod cli;
@@ -91,43 +91,13 @@ fn main() {
 
             println!("changed");
         }
-        cli::SubCommand::Remove { idx } => {
-            if current_task_info.is_some() {
-                panic!("You can remove task only when you don't have an active task, yet");
-            }
-
-            if idx == 0 || idx > tasks.len() {
-                panic!("invalid index");
-            }
-
-            let task = &tasks[idx - 1];
-            println!("You are deleting task:");
-            println!("  {}", task.name);
-            if let Some(ref link) = task.link {
-                println!("  link: {}", link);
-            }
-
-            println!("In most cases you need to `finish` command");
-            loop {
-                print!("Do you still want to delete the task? (y/N): ");
-                std::io::stdout().flush().unwrap();
-                let mut stdin = std::io::stdin().lock();
-                let mut buf = String::new();
-                stdin.read_line(&mut buf).unwrap();
-                match buf.chars().next().unwrap_or_default() {
-                    '\r' | '\n' | 'n' | 'N' => return,
-                    'y' | 'Y' => break,
-                    _ => println!("Unrecognised answer. Please try again."),
-                }
-            }
-
-            tasks.remove(idx - 1);
-
-            let mut file = std::fs::File::create(&tasks_file_path).unwrap();
-            file.write_all(&serde_json::to_vec(&tasks).unwrap())
-                .unwrap();
-
-            println!("removed");
+        cli::SubCommand::Remove(args) => {
+            cli::remove::execute(cli::remove::Request {
+                args,
+                current_task_info,
+                tasks,
+                tasks_file_path,
+            });
         }
         cli::SubCommand::List => {
             cli::list::execute(cli::list::Request {