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Number forecast output per metric (for now) 

Also don't include a `null` value in the JSON if it is not enabled.
This commit is contained in:
Paul van Tilburg 2022-02-12 15:01:02 +01:00
parent 0b5e980f04
commit ebf1b0618b
Signed by untrusted user: paul
GPG Key ID: C6DE073EDA9EEC4D
1 changed files with 50 additions and 38 deletions
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88
src/main.rs
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@ -26,32 +26,44 @@ use rocket::{get, launch, routes, FromFormField};
struct Forecast {
/// The latitude of the position.
lat: f64,
/// The longitude of the position.
lon: f64,
/// The current time (in seconds since the UNIX epoch).
time: i64,
/// The air quality index (if asked for).
#[serde(rename = "AQI")]
aqi: Option<()>,
/// The NO₂ concentration (if asked for).
#[serde(rename = "NO2")]
no2: Option<()>,
#[serde(rename = "O3")]
/// The O₃ concentration (if asked for).
o3: Option<()>,
#[serde(rename = "PAQI")]
/// The FIXME air quality index (if asked for).
paqi: Option<()>,
#[serde(rename = "PM10")]
/// The particulate matter in the air (if asked for).
pm10: Option<()>,
/// The pollen in the air (if asked for).
pollen: Option<()>,
/// The precipitation (if asked for).
precipitation: Option<()>,
/// The UV index (if asked for).
#[serde(rename = "UVI")]
uvi: Option<()>,
/// The air quality index (when asked for).
#[serde(rename = "AQI", skip_serializing_if = "Option::is_none")]
aqi: Option<u8>,
/// The NO₂ concentration (when asked for).
#[serde(rename = "NO2", skip_serializing_if = "Option::is_none")]
no2: Option<u8>,
/// The O₃ concentration (when asked for).
#[serde(rename = "O3", skip_serializing_if = "Option::is_none")]
o3: Option<u8>,
/// The FIXME air quality index (when asked for).
#[serde(rename = "PAQI", skip_serializing_if = "Option::is_none")]
paqi: Option<u8>,
/// The particulate matter in the air (when asked for).
#[serde(rename = "PM10", skip_serializing_if = "Option::is_none")]
pm10: Option<u8>,
/// The pollen in the air (when asked for).
#[serde(skip_serializing_if = "Option::is_none")]
pollen: Option<u8>,
/// The precipitation (when asked for).
#[serde(skip_serializing_if = "Option::is_none")]
precipitation: Option<u8>,
/// The UV index (when asked for).
#[serde(rename = "UVI", skip_serializing_if = "Option::is_none")]
uvi: Option<u8>,
}
impl Forecast {
@ -103,23 +115,23 @@ async fn forecast(lat: f64, lon: f64, metrics: Vec<Metric>) -> Forecast {
match metric {
// TODO: Find a way to handle the "All" case more gracefully!
Metric::All => {
forecast.aqi = Some(());
forecast.no2 = Some(());
forecast.o3 = Some(());
forecast.paqi = Some(());
forecast.pm10 = Some(());
forecast.pollen = Some(());
forecast.precipitation = Some(());
forecast.uvi = Some(());
forecast.aqi = Some(1);
forecast.no2 = Some(2);
forecast.o3 = Some(3);
forecast.paqi = Some(4);
forecast.pm10 = Some(5);
forecast.pollen = Some(6);
forecast.precipitation = Some(7);
forecast.uvi = Some(8);
}
Metric::AQI => forecast.aqi = Some(()),
Metric::NO2 => forecast.no2 = Some(()),
Metric::O3 => forecast.o3 = Some(()),
Metric::PAQI => forecast.paqi = Some(()),
Metric::PM10 => forecast.pm10 = Some(()),
Metric::Pollen => forecast.pollen = Some(()),
Metric::Precipitation => forecast.precipitation = Some(()),
Metric::UVI => forecast.uvi = Some(()),
Metric::AQI => forecast.aqi = Some(1),
Metric::NO2 => forecast.no2 = Some(2),
Metric::O3 => forecast.o3 = Some(3),
Metric::PAQI => forecast.paqi = Some(4),
Metric::PM10 => forecast.pm10 = Some(5),
Metric::Pollen => forecast.pollen = Some(6),
Metric::Precipitation => forecast.precipitation = Some(7),
Metric::UVI => forecast.uvi = Some(8),
}
}