fix: minor fixes

- restore default debug level when logging to file
- return early from generating epubs if there are no articles
- fix serialization bug in creating attributes

src/cli.rs

@@ -155,7 +155,13 @@ impl<'a> TryFrom<ArgMatches<'a>> for AppConfig {
                 arg_matches.is_present("verbosity") && !arg_matches.is_present("log-to-file"),
             )
             .log_level(match arg_matches.occurrences_of("verbosity") {
-                0 => LogLevel::Off,
+                0 => {
+                    if !arg_matches.is_present("log-to-file") {
+                        LogLevel::Off
+                    } else {
+                        LogLevel::Debug
+                    }
+                }
                 1 => LogLevel::Error,
                 2 => LogLevel::Warn,
                 3 => LogLevel::Info,

src/epub.rs

@@ -18,6 +18,10 @@ pub fn generate_epubs(
     app_config: &AppConfig,
     successful_articles_table: &mut Table,
 ) -> Result<(), Vec<PaperoniError>> {
+    if articles.is_empty() {
+        return Ok(());
+    }
+
     let bar = if app_config.can_disable_progress_bar {
         ProgressBar::hidden()
     } else {

src/extractor.rs

@@ -103,7 +103,7 @@ pub fn serialize_to_xhtml<W: std::io::Write>(
                     let attrs_str = attrs
                         .map
                         .iter()
-                        .filter(|(k, _)| &k.local != "\"")
+                        .filter(|(k, _)| !k.local.contains("\""))
                         .map(|(k, v)| {
                             format!(
                                 "{}=\"{}\"",