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Fixed convertion repetitions.

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Signed-off-by: Pavel Kirilin <win10@list.ru>
This commit is contained in:
Pavel Kirilin
2023-02-26 03:23:34 +04:00
parent 940f7a18ef
commit ae76794709
1 changed files with 29 additions and 12 deletions
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41
src/bot/handlers/basic/currency_converter.rs
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@ -1,4 +1,7 @@
use std::{collections::HashMap, time::Duration};
use std::{
collections::{HashMap, HashSet},
time::Duration,
};
use grammers_client::{Client, InputMessage, Update};
use regex::Regex;
@ -131,6 +134,7 @@ impl Handler for CurrencyConverter {
let mut calucates = Vec::new();
let mut mapped = HashSet::new();
for capture in CUR_REGEX.captures_iter(message.text()) {
// We parse supplied value from message
let Some(num_value) = capture
@ -149,25 +153,38 @@ impl Handler for CurrencyConverter {
.or(cur_name) else{
continue;
};
let fingerprint = format!("{num_value:.5} {cur_name}");
// Check if we already processed this value.
if mapped.contains(&fingerprint) {
continue;
}
// Add a value to not calculate it again.
mapped.insert(fingerprint);
// Now we want to know current nominal for this value.
let Some(nominal) = valutes
// We search for it using cur_name.
.get(cur_name)
.and_then(|info| info.get("Nominal"))
.map(ToString::to_string)
.and_then(|value| value.as_str().parse::<f64>().ok())
// If the name cannot be found, we continue.
else{
continue;
};
// Now we want to know multiplier.
let Some(multiplier) = valutes
.get(cur_name)
.and_then(|info| info.get("Value"))
.map(ToString::to_string)
.and_then(|value| value.as_str().parse::<f64>().ok())
else{
continue;
};
let calculated = valutes
.get(cur_name)
.and_then(|info| info.get("Value"))
.map(ToString::to_string)
.and_then(|value| value.as_str().parse::<f64>().ok())
.map(|multiplier| multiplier * num_value / nominal);
if let Some(value) = calculated {
calucates.push(format!(
"<pre>{num_value} {cur_name} = {value:.2} RUB</pre><br>"
));
}
calucates.push(format!(
"<pre>{num_value} {cur_name} = {value:.2} RUB</pre><br>",
value = multiplier * num_value / nominal,
));
}
if !calucates.is_empty() {