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use serde_derive::{Deserialize, Serialize};
use std::str::FromStr;
static BANKS: &str = include_str!(concat!(env!("OUT_DIR"), "/blz.properties"));
#[derive(Clone, Serialize, Deserialize, Debug, Eq, PartialEq)]
pub struct Bank {
pub bank_code: String,
pub institute: String,
pub location: String,
pub bic: String,
pub checksum_method: String,
pub rdh_address: Option<String>,
pub pin_tan_address: Option<String>,
pub rdh_version: Option<String>,
pub pin_tan_version: Option<String>,
}
impl FromStr for Bank {
type Err = String;
fn from_str(s: &str) -> Result<Self, Self::Err> {
let first_part: Vec<&str> = s.split('=').collect();
let second_part: Vec<&str> = first_part[1].split('|').collect();
let bank = Bank {
bank_code: first_part[0].to_string(),
institute: second_part[0].to_string(),
location: second_part[1].to_string(),
bic: second_part[2].to_string(),
checksum_method: second_part[3].to_string(),
rdh_address: if second_part[4].is_empty() {
None
} else {
Some(second_part[4].to_string())
},
pin_tan_address: if second_part[5].is_empty() {
None
} else {
Some(second_part[5].to_string())
},
rdh_version: if second_part[6].is_empty() {
None
} else {
Some(second_part[6].to_string())
},
pin_tan_version: if second_part[7].is_empty() {
None
} else {
Some(second_part[7].to_string())
},
};
Ok(bank)
}
}
pub fn get_bank_by_bank_code(bank_code: &str) -> Option<Bank> {
for bank in BANKS.lines() {
let first_part: Vec<&str> = bank.split('=').collect();
let current_bank_code = first_part[0];
if current_bank_code == bank_code {
return Some(Bank::from_str(bank).expect(
"Invalid bank format found in source file.
This definitely shouldn't happen and is a serious issue with the bank info source file."
));
}
}
None
}
pub fn get_bank_by_bic(bic: &str) -> Option<Bank> {
BANKS
.lines()
.map(|bank_csv_row| Bank::from_str(bank_csv_row))
.filter_map(Result::ok)
.find(|b| b.bic == bic)
}
#[cfg(test)]
mod tests {
use super::*;
use pretty_assertions::assert_eq;
fn assert_bank_matches(bank: &Bank) {
assert_eq!(bank.bank_code, "44761312");
assert_eq!(bank.institute, "Mendener Bank");
assert_eq!(bank.location, "Menden (Sauerland)");
assert_eq!(bank.bic, "GENODEM1MEN");
assert_eq!(bank.checksum_method, "34");
assert_eq!(bank.rdh_address, Some("hbci.gad.de".to_string()));
assert_eq!(
bank.pin_tan_address,
Some("https://hbci-pintan.gad.de/cgi-bin/hbciservlet".to_string())
);
assert_eq!(bank.rdh_version, Some("300".to_string()));
assert_eq!(bank.pin_tan_version, Some("300".to_string()));
}
#[test]
fn get_bank_by_bank_code_test() {
let bank_code = "44761312";
let bank = get_bank_by_bank_code(bank_code).unwrap();
assert_bank_matches(&bank);
}
#[test]
fn get_bank_by_bic_test() {
let bic = "GENODEM1MEN";
let bank = get_bank_by_bic(bic).unwrap();
assert_bank_matches(&bank);
}
}
#[cfg(doctest)]
doc_comment::doctest!("../README.md", readme);