Initial Commit

backend/src/weather/seventimer.rs

@@ -0,0 +1,48 @@
+use anyhow::Context;
+use serde::{Deserialize, Serialize};
+
+const SEVENTIMER_URL: &str =
+    "http://www.7timer.info/bin/api.pl?lon=4.1167&lat=43.8167&product=astro&output=json";
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "lowercase")]
+pub enum GoNogo {
+    Go,
+    Marginal,
+    Nogo,
+}
+
+impl GoNogo {
+    pub fn as_str(&self) -> &'static str {
+        match self {
+            GoNogo::Go => "go",
+            GoNogo::Marginal => "marginal",
+            GoNogo::Nogo => "nogo",
+        }
+    }
+}
+
+pub fn go_nogo(cloudcover: u8, seeing: u8, transparency: u8) -> GoNogo {
+    if cloudcover <= 2 && seeing <= 3 && transparency <= 3 {
+        GoNogo::Go
+    } else if cloudcover <= 4 && seeing <= 5 {
+        GoNogo::Marginal
+    } else {
+        GoNogo::Nogo
+    }
+}
+
+pub async fn fetch_seventimer() -> anyhow::Result<serde_json::Value> {
+    let client = reqwest::Client::builder()
+        .timeout(std::time::Duration::from_secs(30))
+        .build()?;
+
+    let resp = client
+        .get(SEVENTIMER_URL)
+        .send()
+        .await
+        .context("7timer request failed")?;
+
+    let json = resp.json::<serde_json::Value>().await.context("7timer JSON parse failed")?;
+    Ok(json)
+}