2023-10-22 17:44:03 +00:00
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use std::path::Path;
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use std::path::PathBuf;
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use tokio::task::JoinHandle;
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use walkdir::WalkDir;
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use crate::error::CustomError;
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2023-10-27 18:43:06 +00:00
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use crate::intermediate::registry::Registry;
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2023-10-22 17:44:03 +00:00
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2023-10-23 20:03:37 +00:00
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use super::BlogPostPage;
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2023-10-22 16:04:09 +00:00
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#[derive(Debug)]
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2023-10-22 17:44:03 +00:00
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pub(crate) struct BlogPost {
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2023-10-22 20:01:42 +00:00
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pub(crate) id: String,
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2023-10-24 00:30:43 +00:00
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pub(crate) pages: Vec<BlogPostPage>,
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2023-10-22 16:04:09 +00:00
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}
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impl BlogPost {
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pub(crate) async fn load_blog_post<P: AsRef<Path>, R: AsRef<Path>>(
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root_dir: R,
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post_dir: P,
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2023-10-22 17:44:03 +00:00
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) -> Result<BlogPost, CustomError> {
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2023-10-24 02:10:26 +00:00
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async fn inner(_root_dir: &Path, post_dir: &Path) -> Result<BlogPost, CustomError> {
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2023-10-22 17:50:11 +00:00
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let post_id = post_dir
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.file_name()
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.expect("The post directory should have a name.");
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2023-10-22 16:04:09 +00:00
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let org_files = {
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let mut ret = Vec::new();
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let org_files_iter = get_org_files(post_dir)?;
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for entry in org_files_iter {
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ret.push(entry.await??);
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}
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ret
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};
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let parsed_org_files = {
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let mut ret = Vec::new();
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for (path, contents) in org_files.iter() {
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2023-10-22 17:44:03 +00:00
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let parsed = organic::parser::parse_file(contents.as_str(), Some(path))
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.map_err(|_| CustomError::Static("Failed to parse org-mode document."))?;
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2023-10-22 16:04:09 +00:00
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ret.push((path, contents, parsed));
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}
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ret
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};
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2023-10-27 18:43:06 +00:00
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let mut registry = Registry::new();
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// Assign IDs to the targets
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for (_real_path, _contents, parsed_document) in parsed_org_files.iter() {
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organic::types::AstNode::from(parsed_document)
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.iter_all_ast_nodes()
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.for_each(|node| match node {
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organic::types::AstNode::Target(target) => {
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registry.get_target(target.value);
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}
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_ => {}
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});
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}
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2023-10-23 20:03:37 +00:00
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let pages = {
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let mut ret = Vec::new();
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2023-10-27 18:43:06 +00:00
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for (real_path, _contents, parsed_document) in parsed_org_files.iter() {
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2023-10-23 20:03:37 +00:00
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let relative_to_post_dir_path = real_path.strip_prefix(post_dir)?;
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ret.push(BlogPostPage::new(
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relative_to_post_dir_path,
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2023-10-27 18:43:06 +00:00
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&mut registry,
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2023-10-23 20:03:37 +00:00
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parsed_document,
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)?);
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}
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ret
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};
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2023-10-22 16:04:09 +00:00
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Ok(BlogPost {
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2023-10-22 17:50:11 +00:00
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id: post_id.to_string_lossy().into_owned(),
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2023-10-23 20:03:37 +00:00
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pages,
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2023-10-22 16:04:09 +00:00
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})
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}
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inner(root_dir.as_ref(), post_dir.as_ref()).await
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}
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}
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2023-10-22 17:44:03 +00:00
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async fn read_file(path: PathBuf) -> std::io::Result<(PathBuf, String)> {
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let contents = tokio::fs::read_to_string(&path).await?;
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Ok((path, contents))
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}
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2023-10-22 16:04:09 +00:00
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fn get_org_files<P: AsRef<Path>>(
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root_dir: P,
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) -> Result<impl Iterator<Item = JoinHandle<std::io::Result<(PathBuf, String)>>>, walkdir::Error> {
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let org_files = WalkDir::new(root_dir)
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.into_iter()
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.filter(|e| match e {
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Ok(dir_entry) => {
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dir_entry.file_type().is_file()
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&& Path::new(dir_entry.file_name())
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.extension()
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.map(|ext| ext.to_ascii_lowercase() == "org")
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.unwrap_or(false)
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}
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Err(_) => true,
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})
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.collect::<Result<Vec<_>, _>>()?;
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let org_files = org_files
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.into_iter()
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.map(walkdir::DirEntry::into_path)
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.map(|path| tokio::spawn(read_file(path)));
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Ok(org_files)
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}
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