97 lines
3.3 KiB
Rust
97 lines
3.3 KiB
Rust
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use std::collections::VecDeque;
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use crate::void_app::Poems;
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use markdown::Options;
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pub fn get_poem(slug: String) -> (String, String, String) {
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let filename = String::from(String::from(slug.clone()) + ".md");
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let creation_date =
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String::from(String::from("<br>Written on: ") + filename.split("_").next().unwrap());
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let poem_content = Poems::get(&filename).expect("Found poem {filename:?}");
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let mut poem_to_str = std::str::from_utf8(poem_content.data.as_ref())
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.expect("Title is valid UT8.")
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.lines();
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let poem_title = poem_to_str.next().unwrap();
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let poem_content = poem_to_str.into_iter().collect::<Vec<&str>>().join("\n");
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let poem_title_to_html_string =
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markdown::to_html_with_options(poem_title, &Options::gfm()).unwrap();
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let poem_content_to_html_string =
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markdown::to_html_with_options(poem_content.as_str(), &Options::gfm()).unwrap();
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(poem_title_to_html_string, poem_content_to_html_string, creation_date)
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}
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pub fn get_poem_list() -> Vec<(String, String)> {
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let mut poem_list = Vec::new();
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for p in Poems::iter() {
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let filename = p.to_string();
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let poem_content = Poems::get(&filename).expect("Found poem {filename:?}");
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let mut poem_to_str = std::str::from_utf8(poem_content.data.as_ref())
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.expect("Title is valid UT8.")
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.lines();
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let title_markdown = poem_to_str.next().expect("No title specified.");
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let title = markdown::to_html_with_options(title_markdown, &Options::gfm()).unwrap();
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let slug = String::from(filename.trim_end_matches(".md"));
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poem_list.push((title.clone(), slug.clone()));
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}
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log::trace!("{poem_list:?}");
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poem_list
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}
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pub fn get_oldest_entry(current: String) -> String {
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let mut poem_list = VecDeque::from(get_poem_list());
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let oldest = poem_list
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.pop_front()
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.expect("There is an entry in this list of poems.")
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.1;
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if current == oldest {
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return format!("/poems/{current}#");
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}
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format!("/poems/{oldest}")
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}
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pub fn get_latest_entry(current: String) -> String {
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let mut poem_list = get_poem_list();
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let latest = poem_list
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.pop()
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.expect("There is an entry in this list of poems.")
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.1;
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if current == latest {
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return format!("/poems/{current}#");
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}
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format!("/poems/{latest}")
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}
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pub fn get_previous_entry(current: String) -> String {
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let poem_list = get_poem_list();
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match poem_list.iter().enumerate().find_map(|(index, p)| {
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if p.1 == current {
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if index != 0 {
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Some(poem_list[index - 1].1.clone())
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} else {
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None
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}
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} else {
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None
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}
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}) {
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Some(entry) => format!("/poems/{entry}"),
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None => format!("/poems/{current}"),
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}
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}
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pub fn get_next_entry(current: String) -> String {
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let poem_list = get_poem_list();
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match poem_list.iter().enumerate().find_map(|(index, p)| {
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if p.1 == current {
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if index != poem_list.len() - 1 {
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Some(poem_list[index + 1].1.clone())
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} else {
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None
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}
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} else {
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None
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}
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}) {
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Some(entry) => format!("/poems/{entry}"),
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None => format!("/poems/{current}"),
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}
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}
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