From 20f0e457cafde68d76d9c844486e1d9bbc45266c Mon Sep 17 00:00:00 2001
From: Yizack Rangel <yizackr@gmail.com>
Date: Sat, 22 Jun 2024 01:10:59 -0500
Subject: [PATCH] chore: self cache api requests with preferences

---
 utils/api.js       |  2 +-
 utils/capacitor.js | 20 ++++++++++++++++++--
 2 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/utils/api.js b/utils/api.js
index 13bff49..dde552f 100644
--- a/utils/api.js
+++ b/utils/api.js
@@ -37,7 +37,7 @@ class SaldometrobusAPI {
   }
 
   async getTarjetaAPI (numero) {
-    const { tarjeta, status, error, error_key } = await CAPACITOR.doGet(`${this.tarjetasAPI}/${numero}`);
+    const { tarjeta, status, error, error_key } = await CAPACITOR.doGet(`${this.tarjetasAPI}/${numero}`, true);
     if (!error && status === "ok" && tarjeta) {
       return { tarjeta };
     }
diff --git a/utils/capacitor.js b/utils/capacitor.js
index 25b65db..4083fbd 100644
--- a/utils/capacitor.js
+++ b/utils/capacitor.js
@@ -52,9 +52,25 @@ class CapacitorPlugins {
     return status.connected;
   }
 
-  async doGet (url) {
-    const GET = CapacitorHttp.get({ url }).then((response) => {
+  async doGet (url, cached = false) {
+    const numero = new URL(url).pathname.split("/").pop();
+    const cachedResponse = JSON.parse((await Preferences.get({ key: numero })).value);
+
+    const currentTime = new Date().getTime();
+    if (cached && cachedResponse && cachedResponse.expires && currentTime < cachedResponse.expires) {
+      return {
+        error: true,
+        error_key: `${t("tarjeta_actualizada")}: ${numero}`
+      };
+    }
+
+    const GET = CapacitorHttp.get({ url, headers: { "Cache-Control": "max-age=900" } }).then(async (response) => {
       if (response.status === 200) {
+        if (parseInt(numero)) {
+          const maxAge = parseInt(response.headers["Cache-Control"].split("=")[1]);
+          const expiresTime = currentTime + (maxAge * 1000);
+          await Preferences.set({ key: numero, value: JSON.stringify({ expires: expiresTime }) });
+        }
         return response.data;
       }
       else {