Add module src/free_api_v25/current/precipitation.rs

src/free_api_v25/current/mod.rs

@@ -20,5 +20,6 @@
 pub mod clouds;
 pub mod coord;
 pub mod main;
+pub mod precipitation;
 pub mod weather;
 pub mod wind;

src/free_api_v25/current/precipitation.rs

@@ -0,0 +1,36 @@
+use serde::{Deserialize, Serialize};
+
+/// Precipitation information for rain or snow
+///
+/// Contains precipitation volumes over different time periods.
+#[derive(Debug, Clone, Deserialize, Serialize, Default, PartialEq)]
+pub struct Precipitation {
+    /// Precipitation volume over the last 1 hour (mm)
+    #[serde(rename = "1h", default)]
+    pub one_hour: Option<f32>,
+
+    /// Precipitation volume over the last 3 hours (mm)
+    #[serde(rename = "3h", default)]
+    pub three_hour: Option<f32>,
+}
+
+impl Precipitation {
+    /// Returns the precipitation intensity category
+    ///
+    /// - None: No precipitation data
+    /// - "Light": < 2.5 mm/h
+    /// - "Moderate": 2.5 - 7.5 mm/h  
+    /// - "Heavy": > 7.5 mm/h
+    #[must_use]
+    pub fn intensity(&self) -> Option<&'static str> {
+        let rate = self.one_hour.or(self.three_hour.map(|v| v / 3.0))?;
+
+        if rate < 2.5 {
+            Some("Light")
+        } else if rate <= 7.5 {
+            Some("Moderate")
+        } else {
+            Some("Heavy")
+        }
+    }
+}