forvo-cli 0.1.3

Play Forvo pronunciations directly from the terminal
Documentation 
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/*
 * Author(s):   Francesco Urbani
 * Date:        some evening between January-Februrary 2021
 */

use regex::Regex;
mod tests;


/// Pass a word to this function and return a list of URLs you can use (i.e. visit/download) to 
/// listen its pronunciation on [Forvo](https://forvo.com/).
pub fn retrieve_audios(word: &str) -> Result<Vec<String>, std::io::Error> {

    let url = format!("https://forvo.com/search/{}/", word);

    let content = reqwest::get(&url.to_string())
                    .expect("Could not make request.")
                    .text()
                    .expect("Could not read text.");
    
    // println!("{}", content);

    /*
    let regex_num_results_found = Regex::new(r"(>)(\d+)( words found)").unwrap();
    for caps in regex_num_results_found.captures_iter(content.as_str()) {
        let num_results = caps.get(2).unwrap().as_str();
        println!("{} words found.", num_results);
        println!("\tPress enter (↵) to play them, one after another.");
        println!("\tPress ^C (ctrl-C / cmd-C) to quit prematurely.");
    }
    */

    let mut pronunciations = vec![];

    let regex_sequence_pattern = Regex::new(r"(Play\(\w+,')(\w+=*)").unwrap(); 
    for caps in regex_sequence_pattern.captures_iter(content.as_str()) {
        let code_sequence = caps.get(2).unwrap().as_str();

        pronunciations.push(code_sequence.to_string());

    }

    Ok(pronunciations)
}