Working on queries to get latest metar airports first

api/src/airports/model/airport.rs

@@ -1,5 +1,6 @@
 use std::collections::HashMap;
 use std::str::FromStr;
+use chrono::{DateTime, Utc};
 use futures_util::try_join;
 use reqwest::Client;
 use serde::{Deserialize, Serialize};
@@ -121,6 +122,7 @@ struct AirportRow {
   pub has_tower: Option<bool>,
   pub has_beacon: Option<bool>,
   pub public: bool,
+  pub metar_observation_time: Option<DateTime<Utc>>,
 }
 
 #[derive(Debug, Deserialize)]
@@ -141,6 +143,7 @@ pub struct UpdateAirport {
   pub runways: Option<Vec<UpdateRunway>>,
   pub frequencies: Option<Vec<UpdateFrequency>>,
   pub public: Option<bool>,
+  pub latest_metar_observation: Option<DateTime<Utc>>,
 }
 
 impl Into<AirportRow> for Airport {
@@ -160,6 +163,10 @@ impl Into<AirportRow> for Airport {
       has_tower: self.has_tower,
       has_beacon: self.has_beacon,
       public: self.public,
+      metar_observation_time: match self.latest_metar {
+        Some(m) => Some(m.observation_time),
+        None => None,
+      },
     }
   }
 }
@@ -303,7 +310,8 @@ impl Airport {
     Self::push_condition_bounds(&mut builder, &mut has_where, &query.bounds)?;
 
     // Order by AircraftCategory
-    builder.push(" ORDER BY CASE category ");
+    builder.push(" ORDER BY (metar_observation_time IS NULL), ");
+    builder.push(" CASE category ");
     builder.push(" WHEN 'large_airport' THEN 1 ");
     builder.push(" WHEN 'medium_airport' THEN 2 ");
     builder.push(" WHEN 'small_airport' THEN 3 ");
@@ -516,7 +524,20 @@ impl Airport {
   }
 
   // TODO
-  pub async fn update(_icao: &str, _airport: &UpdateAirport) -> ApiResult<()> {
+  pub async fn update(icao: &str, airport: &UpdateAirport) -> ApiResult<()> {
+    let pool = db::pool();
+
+    let mut query_builder: QueryBuilder<Postgres> =
+      QueryBuilder::new(format!("UPDATE {} SET ", TABLE_NAME));
+    if let Some(latest_metar_observation) = airport.latest_metar_observation {
+      query_builder.push("metar_observation_time = ");
+      query_builder.push_bind(latest_metar_observation);
+    }
+
+    query_builder.push(" WHERE icao = ").push_bind(icao);
+    let query = query_builder.build();
+    query.execute(pool).await?;
+
     Ok(())
   }