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use std::collections::HashMap;
pub fn list() -> Result<HashMap<String, u64>, reqwest::Error> {
let url = format!("https://www.sec.gov/include/ticker.txt");
let body = reqwest::blocking::get(url.as_str())?.text();
match body {
Ok(r) => {
let companies = r.split("\n").collect::<Vec<&str>>();
let mut map = HashMap::new();
for c in companies {
let ticker_cik = c.split("\t").collect::<Vec<&str>>();
let cik = match ticker_cik[1].parse::<u64>() {
Ok(r1) => r1,
Err(e1) => {
println!("Could not parse CIK: {:?}. {}", &c, &e1);
0
}
};
map.insert(ticker_cik[0].to_string(), cik);
}
Ok(map)
}
Err(e) => panic!("Error with query. URL: {}. {}", &url, &e),
}
}
pub fn cik(map: &HashMap<String, u64>, ticker: &str) -> u64 {
match map.get(&ticker.to_lowercase()) {
Some(r) => *r,
None => 0,
}
}
pub fn ticker(map: &HashMap<String, u64>, cik: &u64) -> String {
for (ticker, value) in map {
if value == cik {
return ticker.to_string();
}
}
"none".to_string()
}
#[cfg(test)]
mod tests {
#[test]
fn test_list() {
let o = super::list().unwrap();
assert!(!o.is_empty());
assert_eq!(o.get("vz"), Some(&732712))
}
#[test]
fn test_cik() {
let map = super::list().unwrap();
let my_cik = super::cik(&map, "vz");
assert_eq!(my_cik, 732712);
let invalid_cik = super::cik(&map, "invalid");
assert_eq!(invalid_cik, 0);
}
#[test]
fn test_ticker() {
let map = super::list().unwrap();
let my_ticker = super::ticker(&map, &732712);
assert_eq!(my_ticker, "vz");
let invalid_ticker = super::ticker(&map, &0);
assert_eq!(invalid_ticker, "none")
}
}