restructure for equatorprice

src/model/personal/equatorprice.rs

@@ -0,0 +1,58 @@
+use serde::Serialize;
+
+#[derive(Serialize)]
+enum Level {
+    BRONZE,
+    SILVER,
+    GOLD,
+    DIAMOND,
+    DONE,
+}
+
+impl Level {
+    fn required_km(&self) -> i32 {
+        match self {
+            Level::BRONZE => 40000,
+            Level::SILVER => 80000,
+            Level::GOLD => 100000,
+            Level::DIAMOND => 200000,
+            Level::DONE => 0,
+        }
+    }
+
+    fn next_level(km: i32) -> Self {
+        if km < Level::BRONZE.required_km() {
+            Level::BRONZE
+        } else if km < Level::SILVER.required_km() {
+            Level::SILVER
+        } else if km < Level::GOLD.required_km() {
+            Level::GOLD
+        } else if km < Level::DIAMOND.required_km() {
+            Level::BRONZE
+        } else {
+            Level::DONE
+        }
+    }
+}
+
+#[derive(Serialize)]
+pub(crate) struct Next {
+    level: Level,
+    missing_km: i32,
+    required_km: i32,
+    rowed_km: i32,
+}
+
+impl Next {
+    pub(crate) fn rowed_km(km: i32) -> Self {
+        let level = Level::next_level(km);
+        let required_km = level.required_km();
+        let missing_km = required_km - km;
+        Self {
+            level,
+            missing_km,
+            required_km,
+            rowed_km: km,
+        }
+    }
+}