Basic console interface and library functions complete.

Time to actully get to work.
This commit is contained in:
NA 2024-01-24 15:02:52 +00:00
commit efdf3c3ca6
6 changed files with 494 additions and 0 deletions

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/target

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[package]
name = "royal_road_archiver"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[lib]
name = "royal_road_archiver_lib"
path = "src/library.rs"
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name = "royal_road_archiver_bin"
path = "src/binary.rs"
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url = "2.5.0"

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use std::{env, fs, path::{Path, PathBuf}, process::exit};
use clap::{Parser, Subcommand};
use url::Url;
#[derive(clap::Parser, Debug)]
#[command(version)]
struct Cli {
#[command(subcommand)]
subcommand: Subcommands,
/// Enter the URL of the Webnovel
book_url: String,
/// Enter the output directory for the generated format.
/// Leave blank to use current directory.
output_directory: Option<String>,
}
#[derive(Subcommand, Debug)]
pub enum Subcommands {
/// Generate an Audiobook from the webnovel.
/// 'audiobook --help' for available arguments.
Audiobook(royal_road_archiver_lib::AudiobookArgs),
/// Generate an epub from the Webnovel.
/// 'epub --help' for available arguments.
Epub(royal_road_archiver_lib::EpubArgs),
/// Store the webnovel as a collection of HTML pages.
/// 'html --help' for available arguments.
Html(royal_road_archiver_lib::HtmlArgs),
/// Generate a markdown file from the Webnovel.
/// 'markdown --help' for available arguments.
Markdown(royal_road_archiver_lib::MarkdownArgs),
}
fn main() {
let cli_input = Cli::parse();
// Turn the inputted string into a path, or grab the current directory if empty.
let output_directory: PathBuf;
match cli_input.output_directory {
Some(output_directory_input) => {
output_directory = Path::new(&output_directory_input).to_path_buf();
},
None => {
output_directory = env::current_dir().unwrap().as_path().to_path_buf();
}
}
valid_directory_check(&output_directory);
let book_url = valid_url_check(&cli_input.book_url.to_lowercase());
match cli_input.subcommand {
Subcommands::Audiobook(audiobook_args) => royal_road_archiver_lib::generate_audiobook(audiobook_args, book_url, output_directory),
Subcommands::Epub(epub_args) => royal_road_archiver_lib::generate_epub(epub_args, book_url, output_directory),
Subcommands::Html(html_args) => royal_road_archiver_lib::generate_html(html_args, book_url, output_directory),
Subcommands::Markdown(markdown_args) => royal_road_archiver_lib::generate_markdown(markdown_args, book_url, output_directory),
}
}
// Check if the directory exists and is writeable. Creates one if not.
fn valid_directory_check(output_directory: &Path) {
// Check if the directory exists, if it does not; attempt to create one.
if !output_directory.exists() {
match fs::create_dir_all(output_directory) {
Ok(_) => (),
Err(error) => {
eprintln!("Error! Unable to create directory: {error}");
exit(1);
}
}
}
// Check if the user has write permissions:
if fs::metadata(output_directory).unwrap().permissions().readonly() {
eprintln!("Error! You do not have permissions for the specified directory.");
exit(1);
}
}
// Check if the given URL is a valid royalroad url.
fn valid_url_check(book_url: &str) -> Url {
match Url::parse(book_url) {
Ok(book_url) => {
if book_url.host_str() == Some("www.royalroad.com") {
return book_url;
}
else {
eprintln!("Error! Please enter a RoyalRoad URL.");
exit(1);
}
},
Err(error) => {
eprintln!("Error! Unable to parse url: {error}");
exit(1);
}
}
}

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use std::path::PathBuf;
use clap::Args;
use url::Url;
#[derive(Args, Debug)]
pub struct AudiobookArgs {
/// Disable the generation of chapter titles in the audio file. Useful to avoid chapter titles appearing twice.
#[arg(short, long)]
pub no_chapter_titles: bool,
/// Split the novel into multiple audio files by chapter.
#[arg(short, long)]
pub split_novel_by_chapters: bool,
}
#[derive(Args, Debug)]
pub struct EpubArgs {
/// Disable the inclusion of images.
/// Will speed up epub generation and significantly decrease epub size.
#[arg(short, long)]
pub no_images: bool,
}
#[derive(Args, Debug)]
pub struct HtmlArgs {
}
#[derive(Args, Debug)]
pub struct MarkdownArgs {
/// Disable the generation of chapter titles. Useful to avoid chapter titles appearing twice.
#[arg(short, long)]
pub no_chapter_titles: bool,
/// Disables the inclusion of html image tags in the markdown.
#[arg(short='i', long)]
pub no_image_tags: bool,
}
/// Generate an audiobook from the given arguments, url, & outputs it to the output directory.
///
/// This function DOES NOT do any error checking on the Url or output directory & WILL panic if they are wrong.
/// Make sure the Url is valid and the output directory is writable BEFORE passing them to this.
pub fn generate_audiobook(audiobook_args: AudiobookArgs, book_url: Url, output_directory: PathBuf) {
eprintln!("This is not implemented yet.");
}
/// Generate an epub file from the given arguments, url, & outputs it to the output directory.
///
/// This function DOES NOT do any error checking on the Url or output directory & WILL panic if they are wrong.
/// Make sure the Url is valid and the output directory is writable BEFORE passing them to this.
pub fn generate_epub(epub_args: EpubArgs, book_url: Url, output_directory: PathBuf) {
eprintln!("This is not implemented yet.");
}
/// Generate an html archive from the given arguments, url, & outputs it to the output directory.
///
/// This function DOES NOT do any error checking on the Url or output directory & WILL panic if they are wrong.
/// Make sure the Url is valid and the output directory is writable BEFORE passing them to this.
pub fn generate_html(html_args: HtmlArgs, book_url: Url, output_directory: PathBuf) {
eprintln!("This is not implemented yet.");
}
/// Generate a markdown file from the given arguments, url, & outputs it to the output directory.
///
/// This function DOES NOT do any error checking on the Url or output directory & WILL panic if they are wrong.
/// Make sure the Url is valid and the output directory is writable BEFORE passing them to this.
pub fn generate_markdown(markdown_args: MarkdownArgs, book_url: Url, output_directory: PathBuf) {
eprintln!("This is not implemented yet.");
}