handle ProgressStyle's template now returning a Result

src/epub.rs

@@ -30,7 +30,11 @@ pub fn generate_epubs(
         let enabled_bar = ProgressBar::new(articles.len() as u64);
         let style = ProgressStyle::default_bar().template(
             "{spinner:.cyan} [{elapsed_precise}] {bar:40.white} {:>8} epub {pos}/{len:7} {msg:.green}",
-        );
+        ).map_err(|e| {
+            let mut paperoni_err: PaperoniError = e.into();
+            paperoni_err.set_article_source("progress bar");
+            vec![paperoni_err]
+        })?;
         enabled_bar.set_style(style);
         if !articles.is_empty() {
             enabled_bar.set_message("Generating epubs");

src/errors.rs

@@ -15,6 +15,8 @@ pub enum ErrorKind {
     UTF8Error(String),
     #[error("[ReadabilityError]: {0}")]
     ReadabilityError(String),
+    #[error("[TemplateError]: {0}")]
+    TemplateError(String),
 }
 
 #[derive(Error, Debug)]
@@ -128,6 +130,12 @@ impl From<std::str::Utf8Error> for PaperoniError {
     }
 }
 
+impl From<indicatif::style::TemplateError> for PaperoniError {
+    fn from(err: indicatif::style::TemplateError) -> Self {
+        PaperoniError::with_kind(ErrorKind::TemplateError(err.to_string()))
+    }
+}
+
 #[derive(Debug, Error)]
 pub enum LogError {
     #[error(transparent)]

src/html.rs

@@ -44,7 +44,11 @@ pub fn generate_html_exports(
         let enabled_bar = ProgressBar::new(articles.len() as u64);
         let style = ProgressStyle::default_bar().template(
             "{spinner:.cyan} [{elapsed_precise}] {bar:40.white} {:>8} html {pos}/{len:7} {msg:.green}",
-        );
+        ).map_err(|e| {
+            let mut paperoni_err: PaperoniError = e.into();
+            paperoni_err.set_article_source("progress bar");
+            vec![paperoni_err]
+        })?;
         enabled_bar.set_style(style);
         if !articles.is_empty() {
             enabled_bar.set_message("Generating html files");

src/main.rs

@@ -2,6 +2,7 @@
 extern crate lazy_static;
 
 use std::process::exit;
+use std::time::Duration;
 
 use colored::Colorize;
 use comfy_table::presets::{UTF8_FULL, UTF8_HORIZONTAL_ONLY};
@@ -25,6 +26,8 @@ use epub::generate_epubs;
 use html::generate_html_exports;
 use logs::display_summary;
 
+use crate::errors::PaperoniError;
+
 fn main() {
     let app_config = match cli::AppConfig::init_with_cli() {
         Ok(app_config) => app_config,
@@ -58,9 +61,15 @@ fn run(app_config: AppConfig) {
         let enabled_bar = ProgressBar::new(app_config.urls.len() as u64);
         let style = ProgressStyle::default_bar().template(
             "{spinner:.cyan} [{elapsed_precise}] {bar:40.white} {:>8} link {pos}/{len:7} {msg:.yellow/white}",
-        );
-        enabled_bar.set_style(style);
-        enabled_bar.enable_steady_tick(500);
+        ).map_err(|e| {
+            let mut paperoni_err: PaperoniError = e.into();
+            paperoni_err.set_article_source("progress bar");
+            vec![paperoni_err]
+        });
+        if let Ok(style) = style {
+            enabled_bar.set_style(style);
+        }
+        enabled_bar.enable_steady_tick(Duration::from_millis(500));
         enabled_bar
     };