cli: extract edit subcommand

src/cli.rs

@@ -14,6 +14,7 @@
 //! along with tas.  If not, see <https://www.gnu.org/licenses/>.
 //!
 
+pub mod edit;
 pub mod finish;
 pub mod list;
 pub mod pause;
@@ -37,17 +38,7 @@ pub enum SubCommand {
 
         name: String,
     },
-    Edit {
-        #[clap(short, long)]
-        link: Option<String>,
-        #[clap(long)]
-        no_link: bool,
-
-        #[clap(short, long)]
-        name: Option<String>,
-
-        idx: usize,
-    },
+    Edit(self::edit::Args),
     Remove(self::remove::Args),
     Priority(self::priority::Args),
     List,

src/cli/edit.rs

@@ -0,0 +1,51 @@
+use std::io::Write;
+use std::path::PathBuf;
+
+use crate::{CurrentTaskInfo, Task};
+
+#[derive(clap::Args)]
+pub struct Args {
+    #[clap(short, long)]
+    link: Option<String>,
+    #[clap(long)]
+    no_link: bool,
+
+    #[clap(short, long)]
+    name: Option<String>,
+
+    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 edit 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 mut task = &mut req.tasks[idx - 1];
+    if let Some(name) = req.args.name {
+        task.name = name;
+    }
+    if let Some(link) = req.args.link {
+        task.link = Some(link);
+    } else if req.args.no_link {
+        task.link = None;
+    }
+
+    let mut file = std::fs::File::create(&req.tasks_file_path).unwrap();
+    file.write_all(&serde_json::to_vec(&req.tasks).unwrap())
+        .unwrap();
+
+    println!("changed");
+}

src/main.rs

@@ -61,35 +61,13 @@ fn main() {
 
             println!("added");
         }
-        cli::SubCommand::Edit {
-            idx,
-            name,
-            link,
-            no_link,
-        } => {
-            if current_task_info.is_some() {
-                panic!("You can edit task only when you don't have an active task, yet");
-            }
-
-            if idx == 0 || idx > tasks.len() {
-                panic!("invalid index");
-            }
-
-            let mut task = &mut tasks[idx - 1];
-            if let Some(name) = name {
-                task.name = name;
-            }
-            if let Some(link) = link {
-                task.link = Some(link);
-            } else if no_link {
-                task.link = None;
-            }
-
-            let mut file = std::fs::File::create(&tasks_file_path).unwrap();
-            file.write_all(&serde_json::to_vec(&tasks).unwrap())
-                .unwrap();
-
-            println!("changed");
+        cli::SubCommand::Edit(args) => {
+            cli::edit::execute(cli::edit::Request {
+                args,
+                current_task_info,
+                tasks,
+                tasks_file_path,
+            });
         }
         cli::SubCommand::Remove(args) => {
             cli::remove::execute(cli::remove::Request {