Move to pirate-weather.net and implement rate limiting.

Author: SohamG

enc.env

@@ -35,5 +35,15 @@
         specialArgs = { inherit self; };
       };
 
+      devShells.x86_64-linux.default = pkgs.mkShell {
+        name = "ACMclock DevShell";
+
+        packages = with pkgs; [
+          nodejs
+          typescript
+          typescript-language-server
+        ];
+      };
+
     };
 }

flake.nix

@@ -8,7 +8,7 @@
     },
     "files": [
         "./dist/*",
-	"./views/*"
+        "./views/*"
     ],
     "scripts": {
         "clean": "rimraf ./dist/",
@@ -64,6 +64,7 @@
         "eslint-webpack-plugin": "^4.2.0",
         "file-loader": "^6.2.0",
         "node-fetch": "^2.7.0",
+        "nodemon": "^3.1.9",
         "prettier": "^3.5.0",
         "rimraf": "^6.0.1",
         "sass-loader": "^16.0.4",

package-lock.json

@@ -2,12 +2,33 @@ import dotenv from "dotenv";
 import fetch from "node-fetch";
 dotenv.config();
 
-function getWeather(weatherLatLong: string): Promise<{}> {
-    return new Promise((resolve, reject): void => {
-        const url = `https://api.darksky.net/forecast/${process.env.DARK_SKY_API_KEY}/${weatherLatLong}?exclude=minutely,hourly,daily,alerts,flags&units=si`;
-        fetch(url).then((res): {} => res.json()).then((result: {}): void => resolve(result))
-            .catch((err): void => reject(err));
-    });
+let lastTime: number | null;
+let lastResponse: {};
+
+// 15 minutes in millis
+const rateLimit: number = (15 * 60 * 1000);
+
+async function getWeather(weatherLatLong: string): Promise<{}> {
+  const now: number = Date.now();
+
+  let answer: {};
+  if (lastTime == null || (now - lastTime >= rateLimit)) {
+    lastTime = now;
+
+    const url = `https://api.pirateweather.net/forecast/${process.env.DARK_SKY_API_KEY}/${weatherLatLong}?exclude=minutely,hourly,daily,alerts,flags&units=si`;
+
+    let res = await fetch(url);
+    let data = await res.json();
+
+    lastResponse = data;
+
+    answer = data;
+  } else {
+    // Return cached answer
+    answer = lastResponse;
+  }
+
+  return answer;
 }
 
-export default getWeather;
+export default getWeather;