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Handle substance file not existing when ingestion is added

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xqtc 2024-10-10 22:21:51 +02:00
parent 0ef48ddcbb
commit 2010c906b1
1 changed files with 12 additions and 1 deletions
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13
src/substances.rs
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@ -87,7 +87,18 @@ pub fn list_substances() -> Result<(), std::io::Error> {
} }
pub fn substances_to_vec() -> Vec<String> { pub fn substances_to_vec() -> Vec<String> {
let sub_read = std::fs::read(SUBSTANCES_FILE.to_string()).unwrap(); let sub_read_res = std::fs::read(SUBSTANCES_FILE.to_string());
let sub_read = match sub_read_res {
Ok(sub_contents) => sub_contents,
Err(_) => {
println!("Error! Substance file does not exist. Creating file...");
let hash: HashMap<Uuid, Substance> = HashMap::new();
let hash_ser = bincode::serialize(&hash).unwrap();
std::fs::write(SUBSTANCES_FILE.to_string(), hash_ser).unwrap();
let ret: Vec<u8> = vec![];
ret
}
};
let sub_dec: HashMap<Uuid, Substance> = bincode::deserialize(&sub_read).unwrap(); let sub_dec: HashMap<Uuid, Substance> = bincode::deserialize(&sub_read).unwrap();
let mut sub_vec: Vec<String> = vec![]; let mut sub_vec: Vec<String> = vec![];
for (id, substance) in sub_dec.clone().into_iter() { for (id, substance) in sub_dec.clone().into_iter() {