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paperoni/src/logs.rs
Kenneth Gitere 2f4da824ba feat: add HTML exports with inlining of images
fix: typo fix
refactor: refactor `add_stylesheets` function
2021-07-24 12:08:18 +03:00

274 lines
8.6 KiB
Rust

use std::fs;
use chrono::{DateTime, Local};
use colored::*;
use comfy_table::presets::UTF8_HORIZONTAL_BORDERS_ONLY;
use comfy_table::{Cell, CellAlignment, ContentArrangement, Table};
use flexi_logger::{FileSpec, LevelFilter};
use log::error;
use crate::errors::PaperoniError;
pub fn display_summary(
initial_article_count: usize,
successful_articles_table: Table,
partial_downloads: Vec<PartialDownload>,
errors: Vec<PaperoniError>,
) {
let partial_downloads_count = partial_downloads.len();
let successfully_downloaded_count =
initial_article_count - partial_downloads_count - errors.len();
println!(
"{}",
short_summary(DownloadCount::new(
initial_article_count,
successfully_downloaded_count,
partial_downloads_count,
errors.len()
))
.bold()
);
if successfully_downloaded_count > 0 {
println!("{}", successful_articles_table);
}
if partial_downloads_count > 0 {
println!("\n{}", "Partially failed downloads".yellow().bold());
let mut table_partial = Table::new();
table_partial
.load_preset(UTF8_HORIZONTAL_BORDERS_ONLY)
.set_header(vec![
Cell::new("Link").set_alignment(CellAlignment::Center),
Cell::new("Title").set_alignment(CellAlignment::Center),
])
.set_content_arrangement(ContentArrangement::Dynamic);
for partial in partial_downloads {
table_partial.add_row(vec![&partial.link, &partial.title]);
}
println!("{}", table_partial);
}
if !errors.is_empty() {
println!("\n{}", "Failed article downloads".bright_red().bold());
let mut table_failed = Table::new();
table_failed
.load_preset(UTF8_HORIZONTAL_BORDERS_ONLY)
.set_header(vec![
Cell::new("Link").set_alignment(CellAlignment::Center),
Cell::new("Reason").set_alignment(CellAlignment::Center),
])
.set_content_arrangement(ContentArrangement::Dynamic);
for error in errors {
let error_source = error
.article_source()
.clone()
.unwrap_or_else(|| "<unknown link>".to_string());
table_failed.add_row(vec![&error_source, &format!("{}", error.kind())]);
error!("{}\n - {}", error, error_source);
}
println!("{}", table_failed);
}
}
/// Returns a string summary of the total number of failed and successful article downloads
fn short_summary(download_count: DownloadCount) -> String {
if download_count.total
!= download_count.successful + download_count.failed + download_count.partial
{
panic!("initial_count must be equal to the sum of failed and successful count")
}
let get_noun = |count: usize| if count == 1 { "article" } else { "articles" };
let get_summary = |count, label, color: Color| {
if count == 0 {
return "".to_string();
};
{
if count == 1 && count == download_count.total {
"Article".to_string() + label
} else if count == download_count.total {
"All ".to_string() + get_noun(count) + label
} else {
count.to_string() + " " + get_noun(count) + label
}
}
.color(color)
.to_string()
};
let mut summary = get_summary(
download_count.successful,
" downloaded successfully",
Color::BrightGreen,
);
let partial_summary = get_summary(
download_count.partial,
" partially failed to download",
Color::Yellow,
);
if !summary.is_empty() && !partial_summary.is_empty() {
summary = summary + ", " + &partial_summary;
} else {
summary = summary + &partial_summary;
}
let failed_summary = get_summary(download_count.failed, " failed to download", Color::Red);
if !summary.is_empty() && !failed_summary.is_empty() {
summary = summary + ", " + &failed_summary;
} else {
summary = summary + &failed_summary;
}
summary
}
struct DownloadCount {
total: usize,
successful: usize,
partial: usize,
failed: usize,
}
impl DownloadCount {
fn new(total: usize, successful: usize, partial: usize, failed: usize) -> Self {
Self {
total,
successful,
partial,
failed,
}
}
}
use crate::errors::LogError as Error;
use crate::http::PartialDownload;
pub fn init_logger(
log_level: LevelFilter,
start_time: &DateTime<Local>,
is_logging_to_file: bool,
) -> Result<(), Error> {
use directories::UserDirs;
use flexi_logger::LogSpecBuilder;
match UserDirs::new() {
Some(user_dirs) => {
let home_dir = user_dirs.home_dir();
let paperoni_dir = home_dir.join(".paperoni");
let log_dir = paperoni_dir.join("logs");
let log_spec = LogSpecBuilder::new().module("paperoni", log_level).build();
let formatted_timestamp = start_time.format("%Y-%m-%d_%H-%M-%S");
let mut logger = flexi_logger::Logger::with(log_spec);
if is_logging_to_file {
if !paperoni_dir.is_dir() || !log_dir.is_dir() {
fs::create_dir_all(&log_dir)?;
}
logger = logger.log_to_file(
FileSpec::default()
.directory(log_dir)
.discriminant(formatted_timestamp.to_string())
.suppress_timestamp(),
);
}
logger.start()?;
Ok(())
}
None => Err(Error::UserDirectoriesError),
}
}
#[cfg(test)]
mod tests {
use super::{short_summary, DownloadCount};
use colored::*;
#[test]
fn test_short_summary() {
assert_eq!(
short_summary(DownloadCount::new(1, 1, 0, 0)),
"Article downloaded successfully".bright_green().to_string()
);
assert_eq!(
short_summary(DownloadCount::new(1, 0, 0, 1)),
"Article failed to download".red().to_string()
);
assert_eq!(
short_summary(DownloadCount::new(10, 10, 0, 0)),
"All articles downloaded successfully"
.bright_green()
.to_string()
);
assert_eq!(
short_summary(DownloadCount::new(10, 0, 0, 10)),
"All articles failed to download".red().to_string()
);
assert_eq!(
short_summary(DownloadCount::new(10, 8, 0, 2)),
format!(
"{}, {}",
"8 articles downloaded successfully".bright_green(),
"2 articles failed to download".red()
)
);
assert_eq!(
short_summary(DownloadCount::new(10, 1, 0, 9)),
format!(
"{}, {}",
"1 article downloaded successfully".bright_green(),
"9 articles failed to download".red()
)
);
assert_eq!(
short_summary(DownloadCount::new(7, 6, 0, 1)),
format!(
"{}, {}",
"6 articles downloaded successfully".bright_green(),
"1 article failed to download".red()
)
);
assert_eq!(
short_summary(DownloadCount::new(7, 4, 2, 1)),
format!(
"{}, {}, {}",
"4 articles downloaded successfully".bright_green(),
"2 articles partially failed to download".yellow(),
"1 article failed to download".red()
)
);
assert_eq!(
short_summary(DownloadCount::new(12, 6, 6, 0)),
format!(
"{}, {}",
"6 articles downloaded successfully".bright_green(),
"6 articles partially failed to download".yellow()
)
);
assert_eq!(
short_summary(DownloadCount::new(5, 0, 4, 1)),
format!(
"{}, {}",
"4 articles partially failed to download".yellow(),
"1 article failed to download".red()
)
);
assert_eq!(
short_summary(DownloadCount::new(4, 0, 4, 0)),
"All articles partially failed to download"
.yellow()
.to_string()
);
}
#[test]
#[should_panic(
expected = "initial_count must be equal to the sum of failed and successful count"
)]
fn test_short_summary_panics_on_invalid_input() {
short_summary(DownloadCount::new(0, 12, 0, 43));
}
}