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// bibiman - a TUI for managing BibLaTeX databases
// Copyright (C) 2024 lukeflo
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
/////
use super::cliargs::PosArgs;
use std::{fs, path::PathBuf};
use biblatex::{self, Bibliography};
use biblatex::{ChunksExt, Type};
// Set necessary fields
// TODO: can surely be made more efficient/simpler
pub struct BibiMain {
pub bibfile: PathBuf, // path to bibfile
pub bibfilestring: String, // content of bibfile as string
pub bibliography: Bibliography, // parsed bibliography
pub citekeys: Vec<String>, // list of all citekeys
// pub bibentries: BibiDataSets,
}
impl BibiMain {
pub fn new() -> Self {
// TODO: Needs check for config file path as soon as config file is impl
let bibfile = PosArgs::parse_pos_args().bibfilearg;
let bibfilestring = fs::read_to_string(&bibfile).unwrap();
let bibliography = biblatex::Bibliography::parse(&bibfilestring).unwrap();
let citekeys = Self::get_citekeys(&bibliography);
Self {
bibfile,
bibfilestring,
bibliography,
citekeys,
}
}
// get list of citekeys from the given bibfile
// this list is the base for further operations on the bibentries
// since it is the entry point of the biblatex crate.
pub fn get_citekeys(bibstring: &Bibliography) -> Vec<String> {
let mut citekeys: Vec<String> =
bibstring.iter().map(|entry| entry.to_owned().key).collect();
citekeys.sort_by_key(|name| name.to_lowercase());
citekeys
}
}
#[derive(Debug)]
pub struct BibiData {
pub entry_list: BibiDataSets,
}
impl BibiData {
pub fn new(biblio: &Bibliography, citekeys: &Vec<String>) -> Self {
Self {
entry_list: {
let bibentries = citekeys
.into_iter()
.map(|citekey| BibiEntry::new(&citekey, &biblio))
.collect();
BibiDataSets { bibentries }
},
}
}
}
// Parent struct which keeps the Vector of all bibentries
// Necessary for implementing FromIterator
#[derive(Debug)]
pub struct BibiDataSets {
pub bibentries: Vec<Vec<String>>,
}
// Struct which has to be created for every entry of bibdatabase
#[derive(Debug)]
pub struct BibiEntry {
pub authors: String,
pub title: String,
pub year: String,
pub pubtype: String,
// pub keywords: Vec<String>,
pub citekey: String,
}
impl BibiEntry {
pub fn new(citekey: &str, biblio: &Bibliography) -> Vec<String> {
vec![
Self::get_authors(&citekey, &biblio),
Self::get_title(&citekey, &biblio),
Self::get_year(&citekey, &biblio),
Self::get_pubtype(&citekey, &biblio),
citekey.to_string(),
]
}
fn get_authors(citekey: &str, biblio: &Bibliography) -> String {
let authors = {
if biblio.get(&citekey).unwrap().author().is_ok() {
let authors = biblio.get(&citekey).unwrap().author().unwrap();
if authors.len() > 1 {
let authors = format!("{} et al.", authors[0].name);
authors
} else if authors.len() == 1 {
let authors = authors[0].name.to_string();
authors
} else {
let editors_authors = format!("empty");
editors_authors
}
} else {
if biblio.get(&citekey).unwrap().editors().is_ok() {
let editors = biblio.get(&citekey).unwrap().editors().unwrap();
if editors.len() > 1 {
let editors = format!("{} (ed.) et al.", editors[0].0[0].name);
editors
} else if editors.len() == 1 {
let editors = format!("{} (ed.)", editors[0].0[0].name);
editors
} else {
let editors_authors = format!("empty");
editors_authors
}
} else {
let editors_authors = format!("empty");
editors_authors
}
}
};
authors
}
fn get_title(citekey: &str, biblio: &Bibliography) -> String {
let title = {
if biblio.get(&citekey).unwrap().title().is_ok() {
let title = biblio
.get(&citekey)
.unwrap()
.title()
.unwrap()
.format_verbatim();
title
} else {
let title = format!("no title");
title
}
};
title
}
fn get_year(citekey: &str, biblio: &Bibliography) -> String {
let year = biblio.get(&citekey).unwrap();
let year = {
if year.date().is_ok() {
let year = year.date().unwrap().to_chunks().format_verbatim();
let year = year[..4].to_string();
year
} else {
let year = format!("n.d.");
year
}
};
year
}
fn get_pubtype(citekey: &str, biblio: &Bibliography) -> String {
let pubtype = biblio.get(&citekey).unwrap().entry_type.to_string();
pubtype
}
fn get_keywords(citekey: &str, biblio: &Bibliography) -> String {
let keywords = biblio
.get(&citekey)
.unwrap()
.keywords()
.unwrap()
.format_verbatim();
keywords
}
}
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