Add an interactive mode

src/main.rs

@@ -1,5 +1,8 @@
 use clap::{Parser, ValueHint};
+use dialoguer::theme::ColorfulTheme;
+use dialoguer::Confirm;
 use image::DynamicImage;
+use indicatif::{ProgressBar, ProgressStyle};
 use log::*;
 use pdf_writer::{Content, Filter, Finish, Name, Pdf, Rect, Ref};
 use rayon::prelude::*;
@@ -7,6 +10,9 @@ use std::ffi::OsStr;
 use std::fs::File;
 use std::io::Read;
 use std::path::{Path, PathBuf};
+use std::time::Duration;
+use tabled::builder::Builder;
+use tabled::settings::Style;
 use walkdir::WalkDir;
 use zip::ZipArchive;
 
@@ -29,6 +35,9 @@ struct Cli {
         help = "Output directory for PDF files"
     )]
     output_dir: String,
+
+    #[arg(short = 'p', long, help = "Ask for confirmation before doing anything")]
+    interactive: bool,
 }
 
 fn main() -> Result<(), Box<dyn std::error::Error>> {
@@ -52,7 +61,33 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
         std::process::exit(1);
     }
 
-    process_jobs(jobs);
+    jobs.sort_by_key(|j| j.cbz_path.clone().into_os_string().into_string());
+
+    let proceed = if cli.interactive {
+        let mut table_builder = Builder::default();
+        table_builder.push_record(["From", "To"]);
+        jobs.iter().for_each(|job| {
+            table_builder.push_record(vec![
+                job.cbz_path.clone().into_os_string().into_string().unwrap(),
+                job.pdf_path.clone().into_os_string().into_string().unwrap(),
+            ]);
+        });
+
+        let mut table = table_builder.build();
+        table.with(Style::rounded());
+
+        println!("{}", table);
+
+        Confirm::with_theme(&ColorfulTheme::default())
+            .with_prompt("Convert?")
+            .interact()?
+    } else {
+        true
+    };
+
+    if proceed {
+        process_jobs(jobs);
+    }
 
     Ok(())
 }
@@ -111,8 +146,6 @@ impl Job {
 }
 
 fn convert_cbz(cbz_path: &Path, output_path: &Path) -> Result<(), Box<dyn std::error::Error>> {
-    info!("Converting {:?}", cbz_path);
-
     let a4 = Rect::new(0.0, 0.0, 595.0, 842.0);
 
     let mut zip = ZipArchive::new(File::open(cbz_path)?)?;
@@ -187,16 +220,21 @@ fn convert_cbz(cbz_path: &Path, output_path: &Path) -> Result<(), Box<dyn std::e
 
     std::fs::write(output_path, pdf.finish())?;
 
-    info!(
-        "Converted '{}' to '{}'",
-        cbz_path.display(),
-        output_path.display()
-    );
-
     Ok(())
 }
 
 fn process_jobs(jobs: Vec<Job>) {
-    jobs.par_iter()
-        .for_each(|entry| convert_cbz(&entry.cbz_path, &entry.pdf_path).unwrap());
+    let pb = ProgressBar::new(jobs.len().try_into().unwrap());
+    pb.enable_steady_tick(Duration::from_millis(300));
+    pb.set_style(
+        ProgressStyle::with_template("[{elapsed_precise}] {wide_bar} {pos:>7}/{len:7} {msg}")
+            .unwrap(),
+    );
+
+    jobs.par_iter().for_each(|entry| {
+        convert_cbz(&entry.cbz_path, &entry.pdf_path).unwrap();
+        pb.inc(1);
+    });
+
+    pb.finish();
 }