From 471fad9ef42b6176be083eb876dd4fbe85ecd1c1 Mon Sep 17 00:00:00 2001
From: Lars Wirzenius <liw@liw.fi>
Date: Sat, 14 Nov 2020 16:28:21 +0200
Subject: feat: add "jt edit" to edit a draft with a chosen editor

Also, add some debugging log statements that were needed while making
this change.
---
 src/main.rs | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

(limited to 'src')

diff --git a/src/main.rs b/src/main.rs
index cb24474..c5117c8 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,6 +1,8 @@
 use anyhow::Result;
+use log::debug;
 use std::fs;
 use std::path::{Path, PathBuf};
+use std::process::Command;
 use structopt::StructOpt;
 use thiserror::Error;
 
@@ -32,6 +34,17 @@ enum JT {
         #[structopt(help = "Title of new draft")]
         title: String,
     },
+    Edit {
+        #[structopt(long, short, help = "Use DIRNAME as the location of the journal")]
+        dirname: PathBuf,
+        #[structopt(
+            long,
+            short,
+            help = "Invoke EDITOR for user to edit draft",
+            default_value = "/usr/bin/editor"
+        )]
+        editor: String,
+    },
     Finish {
         #[structopt(long, short, help = "Use DIRNAME as the location of the journal")]
         dirname: PathBuf,
@@ -45,6 +58,7 @@ enum JournalError {
 }
 
 fn main() -> Result<()> {
+    pretty_env_logger::init_custom_env("JT_LOG");
     let opt = JT::from_args();
     match opt {
         JT::Init {
@@ -58,6 +72,7 @@ fn main() -> Result<()> {
             dirname,
             editor,
         } => new_draft(&title, &dirname, &editor)?,
+        JT::Edit { dirname, editor } => edit_draft(&dirname, &editor)?,
         JT::Finish { dirname } => finish_draft(&dirname)?,
     }
     Ok(())
@@ -86,6 +101,17 @@ fn new_draft(title: &str, dirname: &Path, editor: &str) -> anyhow::Result<()> {
     Ok(())
 }
 
+fn edit_draft(dirname: &Path, editor: &str) -> anyhow::Result<()> {
+    debug!("edit_draft: dirname={:?}", dirname);
+    debug!("edit_draft: editor={:?}", editor);
+    let drafts = dirname.join("drafts");
+    let draft_filename = drafts.join("0.md");
+    debug!("edit_draft: draft_filename={:?}", draft_filename);
+    let status = Command::new(editor).arg(draft_filename).status()?;
+    debug!("edit_draft: editor finished");
+    Ok(())
+}
+
 fn finish_draft(dirname: &Path) -> anyhow::Result<()> {
     let drafts = dirname.join("drafts");
     let draft = drafts.join("0.md");
-- 
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