extract output_csv_line
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parent
45841db4ed
commit
15d919e62c
1 changed files with 21 additions and 18 deletions
27
src/main.rs
27
src/main.rs
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@ -118,18 +118,7 @@ async fn fetch_closing_data(
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}
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}
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#[async_std::main]
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async fn main() -> std::io::Result<()> {
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let opts = Opts::parse();
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let from: DateTime<Utc> = opts.from.parse().expect("Couldn't parse 'from' date");
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let to = Utc::now();
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// a simple way to output a CSV header
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println!("period start,symbol,price,change %,min,max,30d avg");
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for symbol in opts.symbols.split(',') {
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let closes = fetch_closing_data(&symbol, &from, &to).await?;
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if !closes.is_empty() {
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// min/max of the period. unwrap() because those are Option types
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fn output_csv_line(closes: Vec<f64>, from: DateTime<Utc>, symbol: &str) {
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let period_max: f64 = max(&closes).unwrap();
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let period_min: f64 = min(&closes).unwrap();
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let last_price = *closes.last().unwrap_or(&0.0);
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@ -148,6 +137,20 @@ async fn main() -> std::io::Result<()> {
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sma.last().unwrap_or(&0.0)
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);
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}
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#[async_std::main]
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async fn main() -> std::io::Result<()> {
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let opts = Opts::parse();
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let from: DateTime<Utc> = opts.from.parse().expect("Couldn't parse 'from' date");
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let to = Utc::now();
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// a simple way to output a CSV header
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println!("period start,symbol,price,change %,min,max,30d avg");
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for symbol in opts.symbols.split(',') {
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let closes = fetch_closing_data(&symbol, &from, &to).await?;
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if !closes.is_empty() {
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output_csv_line(closes, from, symbol);
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}
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}
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Ok(())
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}
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