43 lines
1.1 KiB
Rust
43 lines
1.1 KiB
Rust
use chrono::{DateTime, FixedOffset};
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use influxdb2::models::Query;
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use influxdb2::{Client, FromDataPoint, FromMap};
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#[derive(Debug, FromDataPoint)]
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pub struct StockPrice {
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ticker: String,
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value: f64,
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time: DateTime<FixedOffset>,
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}
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impl Default for StockPrice {
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fn default() -> Self {
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Self {
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ticker: "".to_string(),
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value: 0_f64,
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time: chrono::MIN_DATETIME.with_timezone(&chrono::FixedOffset::east(7 * 3600)),
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}
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}
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}
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#[tokio::main]
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async fn main() -> Result<(), Box<dyn std::error::Error>> {
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let host = std::env::var("INFLUXDB_HOST").unwrap();
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let org = std::env::var("INFLUXDB_ORG").unwrap();
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let token = std::env::var("INFLUXDB_TOKEN").unwrap();
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let client = Client::new(host, org, token);
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let qs = format!(
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"from(bucket: \"stock-prices\")
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|> range(start: -1w)
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|> filter(fn: (r) => r.ticker == \"{}\")
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|> last()
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",
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"AAPL"
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);
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let query = Query::new(qs.to_string());
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let res: Vec<StockPrice> = client.query::<StockPrice>(Some(query)).await?;
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println!("{:?}", res);
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Ok(())
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}
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