Add logging configured to send to a file by default

.gitignore

@@ -1,2 +1,3 @@
 /target
-*.epub
+*.epub
+*.log

Cargo.lock

@@ -150,7 +150,7 @@ dependencies = [
  "fastrand",
  "futures-lite",
  "libc",
- "log 0.4.11",
+ "log 0.4.14",
  "nb-connect",
  "once_cell",
  "parking",
@@ -195,7 +195,7 @@ dependencies = [
  "futures-lite",
  "gloo-timers",
  "kv-log-macro",
- "log 0.4.11",
+ "log 0.4.14",
  "memchr",
  "num_cpus",
  "once_cell",
@@ -553,6 +553,16 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "ctor"
+version = "0.1.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7fbaabec2c953050352311293be5c6aba8e141ba19d6811862b232d6fd020484"
+dependencies = [
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "ctr"
 version = "0.6.0"
@@ -719,6 +729,22 @@ dependencies = [
  "miniz_oxide 0.3.7",
 ]
 
+[[package]]
+name = "flexi_logger"
+version = "0.17.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "33ab94b6ac8eb69f1496a6993f26f785b5fd6d99b7416023eb2a6175c0b242b1"
+dependencies = [
+ "atty",
+ "chrono",
+ "glob",
+ "lazy_static",
+ "log 0.4.14",
+ "regex",
+ "thiserror",
+ "yansi",
+]
+
 [[package]]
 name = "flume"
 version = "0.9.2"
@@ -914,6 +940,12 @@ version = "0.23.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f6503fe142514ca4799d4c26297c4248239fe8838d827db6bd6065c6ed29a6ce"
 
+[[package]]
+name = "glob"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574"
+
 [[package]]
 name = "gloo-timers"
 version = "0.2.1"
@@ -980,7 +1012,7 @@ version = "0.25.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "aafcf38a1a36118242d29b92e1b08ef84e67e4a5ed06e0a80be20e6a32bfed6b"
 dependencies = [
- "log 0.4.11",
+ "log 0.4.14",
  "mac",
  "markup5ever",
  "proc-macro2",
@@ -1011,7 +1043,7 @@ dependencies = [
  "dashmap",
  "http-types",
  "isahc",
- "log 0.4.11",
+ "log 0.4.14",
 ]
 
 [[package]]
@@ -1087,7 +1119,7 @@ dependencies = [
  "flume",
  "futures-lite",
  "http",
- "log 0.4.11",
+ "log 0.4.14",
  "once_cell",
  "slab",
  "sluice",
@@ -1130,7 +1162,7 @@ version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0de8b303297635ad57c9f5059fd9cee7a47f8e8daa09df0fcd07dd39fb22977f"
 dependencies = [
- "log 0.4.11",
+ "log 0.4.14",
 ]
 
 [[package]]
@@ -1182,16 +1214,17 @@ version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e19e8d5c34a3e0e2223db8e060f9e8264aeeb5c5fc64a4ee9965c062211c024b"
 dependencies = [
- "log 0.4.11",
+ "log 0.4.14",
 ]
 
 [[package]]
 name = "log"
-version = "0.4.11"
+version = "0.4.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4fabed175da42fed1fa0746b0ea71f412aa9d35e76e95e59b192c64b9dc2bf8b"
+checksum = "51b9bbe6c47d51fc3e1a9b945965946b4c44142ab8792c50835a980d362c2710"
 dependencies = [
- "cfg-if 0.1.10",
+ "cfg-if 1.0.0",
+ "value-bag",
 ]
 
 [[package]]
@@ -1206,7 +1239,7 @@ version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "aae38d669396ca9b707bfc3db254bc382ddb94f57cc5c235f34623a669a01dab"
 dependencies = [
- "log 0.4.11",
+ "log 0.4.14",
  "phf",
  "phf_codegen",
  "serde",
@@ -1277,7 +1310,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cf80d3e903b34e0bd7282b218398aec54e082c840d9baf8339e0080a0c542956"
 dependencies = [
  "libc",
- "log 0.4.11",
+ "log 0.4.14",
  "miow",
  "ntapi",
  "winapi",
@@ -1410,14 +1443,17 @@ name = "paperoni"
 version = "0.3.0-alpha1"
 dependencies = [
  "async-std",
+ "atty",
  "clap",
  "comfy-table",
  "epub-builder",
+ "flexi_logger",
  "futures",
  "html5ever",
  "indicatif",
  "kuchiki",
  "lazy_static",
+ "log 0.4.14",
  "md5",
  "regex",
  "surf",
@@ -1568,7 +1604,7 @@ checksum = "a2a7bc6b2a29e632e45451c941832803a18cce6781db04de8a04696cdca8bde4"
 dependencies = [
  "cfg-if 0.1.10",
  "libc",
- "log 0.4.11",
+ "log 0.4.14",
  "wepoll-sys",
  "winapi",
 ]
@@ -1801,7 +1837,7 @@ dependencies = [
  "cssparser",
  "derive_more",
  "fxhash",
- "log 0.4.11",
+ "log 0.4.14",
  "matches",
  "phf",
  "phf_codegen",
@@ -2112,7 +2148,7 @@ dependencies = [
  "futures-util",
  "http-client",
  "http-types",
- "log 0.4.11",
+ "log 0.4.14",
  "mime_guess",
  "once_cell",
  "pin-project-lite 0.2.4",
@@ -2269,7 +2305,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b0987850db3733619253fe60e17cb59b82d37c7e6c0236bb81e4d6b87c879f27"
 dependencies = [
  "cfg-if 0.1.10",
- "log 0.4.11",
+ "log 0.4.14",
  "pin-project-lite 0.1.11",
  "tracing-attributes",
  "tracing-core",
@@ -2400,6 +2436,15 @@ dependencies = [
  "rand 0.7.3",
 ]
 
+[[package]]
+name = "value-bag"
+version = "1.0.0-alpha.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6b676010e055c99033117c2343b33a40a30b91fecd6c49055ac9cd2d6c305ab1"
+dependencies = [
+ "ctor",
+]
+
 [[package]]
 name = "vcpkg"
 version = "0.2.10"
@@ -2460,7 +2505,7 @@ checksum = "f22b422e2a757c35a73774860af8e112bff612ce6cb604224e8e47641a9e4f68"
 dependencies = [
  "bumpalo",
  "lazy_static",
- "log 0.4.11",
+ "log 0.4.14",
  "proc-macro2",
  "quote",
  "syn",
@@ -2549,6 +2594,12 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
+[[package]]
+name = "yansi"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9fc79f4a1e39857fc00c3f662cbf2651c771f00e9c15fe2abc341806bd46bd71"
+
 [[package]]
 name = "zip"
 version = "0.5.8"

Cargo.toml

@@ -13,14 +13,17 @@ readme = "README.md"
 
 [dependencies]
 async-std = "1.9.0"
+atty = "0.2.14"
 clap = "2.33.3"
 comfy-table = "2.1.0"
 epub-builder = "0.4.8"
+flexi_logger = "0.17.1"
 futures = "0.3.14"
 html5ever = "0.25.1"
 indicatif = "0.15.0"
 kuchiki = "0.8.1"
 lazy_static = "1.4.0"
+log = "0.4.14"
 md5 = "0.7.0"
 regex = "1.4.5"
 surf = "2.2.0"

src/epub.rs

@@ -3,6 +3,7 @@ use std::fs::File;
 use comfy_table::{Attribute, Cell, CellAlignment, Color, ContentArrangement, Table};
 use epub_builder::{EpubBuilder, EpubContent, ZipLibrary};
 use indicatif::{ProgressBar, ProgressStyle};
+use log::{debug, info};
 
 use crate::{
     errors::PaperoniError,
@@ -19,7 +20,9 @@ pub fn generate_epubs(
         "{spinner:.cyan} [{elapsed_precise}] {bar:40.white} {:>8} epub {pos}/{len:7} {msg:.green}",
     );
     bar.set_style(style);
-    bar.set_message("Generating epubs");
+    if !articles.is_empty() {
+        bar.set_message("Generating epubs");
+    }
 
     let mut errors: Vec<PaperoniError> = Vec::new();
 
@@ -47,6 +50,7 @@ pub fn generate_epubs(
                     return Err(errors);
                 }
             };
+            debug!("Creating {:?}", name);
             epub.inline_toc();
             articles
                 .iter()
@@ -62,7 +66,7 @@ pub fn generate_epubs(
                             EpubContent::new(format!("article_{}.xhtml", idx), html_str.as_bytes())
                                 .title(replace_metadata_value(section_name)),
                         )?;
-
+                        info!("Adding images for {:?}", name);
                         article.img_urls.iter().for_each(|img| {
                             // TODO: Add error handling and return errors as a vec
                             let mut file_path = std::env::temp_dir();
@@ -76,6 +80,7 @@ pub fn generate_epubs(
                             )
                             .unwrap();
                         });
+                        info!("Added images for {:?}", name);
                         Ok(())
                     };
                     if let Err(mut error) = article_result() {
@@ -98,6 +103,7 @@ pub fn generate_epubs(
             }
 
             bar.finish_with_message("Generated epub\n");
+            debug!("Created {:?}", name);
             println!("Created {:?}", name);
         }
         None => {
@@ -119,6 +125,7 @@ pub fn generate_epubs(
                             .replace("/", " ")
                             .replace("\\", " ")
                     );
+                    debug!("Creating {:?}", file_name);
                     let mut out_file = File::create(&file_name).unwrap();
                     let mut html_buf = Vec::new();
                     extractor::serialize_to_xhtml(article.article(), &mut html_buf)
@@ -145,7 +152,7 @@ pub fn generate_epubs(
 
                     successful_articles_table.add_row(vec![article.metadata().title()]);
 
-                    // println!("Created {:?}", file_name);
+                    debug!("Created {:?}", file_name);
                     Ok(())
                 };
                 if let Err(mut error) = result() {

src/http.rs

@@ -2,6 +2,7 @@ use async_std::io::prelude::*;
 use async_std::{fs::File, stream};
 use futures::StreamExt;
 use indicatif::ProgressBar;
+use log::{debug, info};
 use url::Url;
 
 use crate::{errors::ErrorKind, errors::PaperoniError, extractor::Extractor};
@@ -10,7 +11,7 @@ type HTMLResource = (String, String);
 
 pub async fn fetch_html(url: &str) -> Result<HTMLResource, PaperoniError> {
     let client = surf::Client::new();
-    // println!("Fetching...");
+    debug!("Fetching {}", url);
 
     let process_request = async {
         let mut redirect_count: u8 = 0;
@@ -23,10 +24,19 @@ pub async fn fetch_html(url: &str) -> Result<HTMLResource, PaperoniError> {
             if res.status().is_redirection() {
                 if let Some(location) = res.header(surf::http::headers::LOCATION) {
                     match Url::parse(location.last().as_str()) {
-                        Ok(valid_url) => url = valid_url,
+                        Ok(valid_url) => {
+                            info!("Redirecting {} to {}", url, valid_url);
+                            url = valid_url
+                        }
                         Err(e) => match e {
                             url::ParseError::RelativeUrlWithoutBase => {
-                                url = base_url.join(location.last().as_str())?
+                                match base_url.join(location.last().as_str()) {
+                                    Ok(joined_url) => {
+                                        info!("Redirecting {} to {}", url, joined_url);
+                                        url = joined_url;
+                                    }
+                                    Err(e) => return Err(e.into()),
+                                }
                             }
                             e => return Err(e.into()),
                         },
@@ -35,6 +45,7 @@ pub async fn fetch_html(url: &str) -> Result<HTMLResource, PaperoniError> {
             } else if res.status().is_success() {
                 if let Some(mime) = res.content_type() {
                     if mime.essence() == "text/html" {
+                        debug!("Successfully fetched {}", url);
                         return Ok((url.to_string(), res.body_string().await?));
                     } else {
                         let msg = format!(
@@ -67,7 +78,11 @@ pub async fn download_images(
     bar: &ProgressBar,
 ) -> Result<(), Vec<PaperoniError>> {
     if extractor.img_urls.len() > 0 {
-        // println!("Downloading images...");
+        debug!(
+            "Downloading {} images for {}",
+            extractor.img_urls.len(),
+            article_origin
+        );
     }
     let img_count = extractor.img_urls.len();
 

src/main.rs

@@ -7,6 +7,7 @@ use comfy_table::presets::{UTF8_FULL, UTF8_HORIZONTAL_BORDERS_ONLY};
 use comfy_table::{Attribute, Cell, CellAlignment, ContentArrangement, Table};
 use futures::stream::StreamExt;
 use indicatif::{ProgressBar, ProgressStyle};
+use log::{debug, warn};
 use url::Url;
 
 mod cli;
@@ -27,6 +28,13 @@ fn main() {
     let app_config = cli::cli_init();
 
     if !app_config.urls().is_empty() {
+        match flexi_logger::Logger::with_str("paperoni=debug")
+            .log_to_file()
+            .start()
+        {
+            Ok(_) => (),
+            Err(e) => eprintln!("Unable to start logger!\n{}", e),
+        }
         download(app_config);
     }
 }
@@ -46,7 +54,7 @@ fn download(app_config: AppConfig) {
         while let Some(fetch_result) = responses.next().await {
             match fetch_result {
                 Ok((url, html)) => {
-                    // println!("Extracting");
+                    debug!("Extracting {}", &url);
                     let mut extractor = Extractor::from_html(&html, &url);
                     bar.set_message("Extracting...");
                     match extractor.extract_content() {
@@ -56,7 +64,7 @@ fn download(app_config: AppConfig) {
                                 download_images(&mut extractor, &Url::parse(&url).unwrap(), &bar)
                                     .await
                             {
-                                eprintln!(
+                                warn!(
                                     "{} image{} failed to download for {}",
                                     img_errors.len(),
                                     if img_errors.len() > 1 { "s" } else { "" },
@@ -78,6 +86,7 @@ fn download(app_config: AppConfig) {
         articles
     });
     bar.finish_with_message("Downloaded articles");
+
     let mut succesful_articles_table = Table::new();
     succesful_articles_table
         .load_preset(UTF8_FULL)

src/moz_readability/mod.rs

@@ -7,6 +7,7 @@ use kuchiki::{
     traits::*,
     NodeData, NodeRef,
 };
+use log::info;
 use url::Url;
 
 use crate::errors::{ErrorKind, PaperoniError};
@@ -1587,14 +1588,12 @@ impl Readability {
     /// Using a variety of metrics (content score, classname, element types), find the content that is most likely to be the stuff
     /// a user wants to read. Then return it wrapped up in a div.
     fn grab_article(&mut self) -> Result<(), PaperoniError> {
-        // TODO: Add logging for this
+        info!("Grabbing article {:?}", self.metadata.title);
-        // println!("Grabbing article");
         // var doc = this._doc;
         // var isPaging = (page !== null ? true: false);
         // page = page ? page : this._doc.body;
         let page = self.root_node.select_first("body");
         if page.is_err() {
-            // TODO:Have error logging for this
             return Err(ErrorKind::ReadabilityError("Document has no <body>".into()).into());
         }
         let page = page.unwrap();
@@ -2114,6 +2113,7 @@ impl Readability {
                     false
                 });
                 self.article_node = Some(article_content);
+                info!("Successfully grabbed article {:?}", self.metadata.title);
                 return Ok(());
             }
         }