146 lines
4.3 KiB
Rust
146 lines
4.3 KiB
Rust
use std::fs::File;
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use std::io::prelude::*;
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use std::path::PathBuf;
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use std::time::SystemTime;
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use comrak;
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use glob::glob;
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use inflector::Inflector;
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use rocket::serde::{Deserialize, Serialize};
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#[derive(Clone, Debug, Serialize, Deserialize)]
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#[serde(crate = "rocket::serde")]
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/// Structure for representing a wish note
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pub struct Note {
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/// The ID of the note (unique string)
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pub id: String,
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/// The index of the note (unique number)
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pub index: usize,
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/// The raw note data
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pub data: String,
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/// The time the note was last modified
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pub mtime: SystemTime,
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/// The name of the note, i.e. the person it is for
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pub name: String,
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/// The path to the note file
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path: PathBuf,
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}
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impl Note {
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pub fn to_html(&self) -> String {
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let mut options = comrak::ComrakOptions::default();
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options.extension.strikethrough = true;
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options.extension.tagfilter = true;
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options.extension.autolink = true;
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options.extension.tasklist = true;
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comrak::markdown_to_html(&self.data, &options)
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}
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pub fn update_data(&mut self, data: &String) {
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let mut file = File::create(&self.path).expect(&format!(
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"Cannot open note file: {}",
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self.path.to_str().unwrap()
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));
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file.write_all(data.as_bytes()).expect(&format!(
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"Cannot write note file: {}",
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self.path.to_str().unwrap()
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));
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self.data = data.clone();
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let metadata = file.metadata().unwrap();
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self.mtime = metadata.modified().unwrap();
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}
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pub fn load_all(note_path: Option<&str>) -> Vec<Self> {
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let mut notes: Vec<Note> = vec![];
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let mut index = 0;
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let path_glob = match note_path {
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Some(dir) => format!("{}/notes/*.note", dir),
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None => format!("notes/*.note"),
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};
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for entry in glob(path_glob.as_str()).unwrap().filter_map(Result::ok) {
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let file_name = entry.file_name().unwrap().to_str().unwrap();
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let name = match file_name.find('.') {
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Some(index) => &file_name[0..index],
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None => "unknown",
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};
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let mut data = String::new();
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let mut file =
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File::open(&entry).expect(&format!("Cannot open note file: {}", file_name));
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file.read_to_string(&mut data)
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.expect(&format!("Cannot read note file: {}", file_name));
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let metadata = file
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.metadata()
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.expect(&format!("Cannot get metadata of note file: {}", file_name));
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let note = Note {
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id: String::from(name),
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index: index,
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data: data,
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mtime: metadata.modified().unwrap(),
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name: String::from(name).to_title_case(),
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path: entry.clone(),
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};
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notes.push(note);
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index += 1;
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}
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notes
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn loads_all_notes() {
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let notes = Note::load_all(Some("test"));
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let note_ids: Vec<&str> = notes.iter().map(|note| note.id.as_ref()).collect();
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assert_eq!(note_ids, vec!["test", "updatable"]);
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}
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#[test]
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fn converts_to_html() {
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let notes = Note::load_all(Some("test"));
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let note = notes.iter().find(|note| note.id == "test").unwrap();
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assert_eq!(
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note.to_html(),
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r#"<p>This is a test note</p>
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<ul>
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<li>One</li>
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<li>Two</li>
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<li>Three</li>
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</ul>
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"#
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);
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}
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#[test]
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fn updates_data() {
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let mut notes = Note::load_all(Some("test"));
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let note = notes
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.iter_mut()
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.find(|note| note.id == "updatable")
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.unwrap();
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assert_eq!(note.data, "Some content");
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// Update the data van verify it has changed
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let new_data = "New content";
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note.update_data(&String::from(new_data));
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assert_eq!(note.data, new_data);
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// Verify that the data is written to the file of the note by
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// loading them again
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let mut notes = Note::load_all(Some("test"));
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let note = notes
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.iter_mut()
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.find(|note| note.id == "updatable")
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.unwrap();
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assert_eq!(note.data, new_data);
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// ... and change it back again
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note.update_data(&String::from("Some content"));
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}
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}
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