embalses all

src/helpers/Api.ts

@@ -0,0 +1,44 @@
+import ApiResponse from "../interfaces/ApiResponse";
+import Embalse from "../interfaces/Embalse";
+import Env from "./Env";
+
+export default class Api {
+  static async embalses(): Promise<Embalse[]> {
+    return Api._makeReq('/embalses');
+  }
+
+  static async _makeReq<T>(endpoint: string): Promise<T[]> {
+    let hasMore = true;
+
+    let url = Env.api_base() + endpoint;
+
+    let data: T[] = [];
+    while (hasMore) {
+      const res = await fetch(url);
+
+      if (!res.ok) {
+        throw new Error("Api error");
+      }
+
+      const json = await res.json() as ApiResponse<T>;
+
+      data.push(...json.items);
+
+      hasMore = json.hasMore;
+
+      if (hasMore) {
+        let found = false;
+        let i = 0;
+        while (!found) {
+          if (json.links[i].rel === 'next') {
+            url = json.links[i].href;
+            found = true;
+          }
+          i++;
+        }
+      }
+    }
+
+    return data;
+  }
+}