From bed6d3f68c22e81cf8f3dbd04ee6ea1d0679c2fa Mon Sep 17 00:00:00 2001
From: Bruno Henrique <brunohenriquesantos272@gmail.com>
Date: Sun, 5 Jan 2025 20:11:55 -0300
Subject: [PATCH] feat: add `swr` and create `status` page

---
 package-lock.json     | 25 +++++++++++++++++++++-
 package.json          |  3 ++-
 pages/status/index.js | 49 +++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 75 insertions(+), 2 deletions(-)
 create mode 100644 pages/status/index.js

diff --git a/package-lock.json b/package-lock.json
index 146b988..05dbbb4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,7 +16,8 @@
         "node-pg-migrate": "6.2.2",
         "pg": "8.13.1",
         "react": "18.3.1",
-        "react-dom": "18.3.1"
+        "react-dom": "18.3.1",
+        "swr": "2.2.5"
       },
       "devDependencies": {
         "@commitlint/cli": "19.6.1",
@@ -10519,6 +10520,19 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/swr": {
+      "version": "2.2.5",
+      "resolved": "https://registry.npmjs.org/swr/-/swr-2.2.5.tgz",
+      "integrity": "sha512-QtxqyclFeAsxEUeZIYmsaQ0UjimSq1RZ9Un7I68/0ClKK/U3LoyQunwkQfJZr2fc22DfIXLNDc2wFyTEikCUpg==",
+      "license": "MIT",
+      "dependencies": {
+        "client-only": "^0.0.1",
+        "use-sync-external-store": "^1.2.0"
+      },
+      "peerDependencies": {
+        "react": "^16.11.0 || ^17.0.0 || ^18.0.0"
+      }
+    },
     "node_modules/tapable": {
       "version": "2.2.1",
       "resolved": "https://registry.npmjs.org/tapable/-/tapable-2.2.1.tgz",
@@ -10894,6 +10908,15 @@
         "punycode": "^2.1.0"
       }
     },
+    "node_modules/use-sync-external-store": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/use-sync-external-store/-/use-sync-external-store-1.4.0.tgz",
+      "integrity": "sha512-9WXSPC5fMv61vaupRkCKCxsPxBocVnwakBEkMIHHpkTTg6icbJtg6jzgtLDm4bl3cSHAca52rYWih0k4K3PfHw==",
+      "license": "MIT",
+      "peerDependencies": {
+        "react": "^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0"
+      }
+    },
     "node_modules/util-deprecate": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
diff --git a/package.json b/package.json
index a4ecfb4..3075e4c 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,8 @@
     "node-pg-migrate": "6.2.2",
     "pg": "8.13.1",
     "react": "18.3.1",
-    "react-dom": "18.3.1"
+    "react-dom": "18.3.1",
+    "swr": "2.2.5"
   },
   "devDependencies": {
     "@commitlint/cli": "19.6.1",
diff --git a/pages/status/index.js b/pages/status/index.js
new file mode 100644
index 0000000..7c50fe8
--- /dev/null
+++ b/pages/status/index.js
@@ -0,0 +1,49 @@
+import useSWR from "swr";
+
+async function fetchAPI(key) {
+  const response = await fetch(key);
+  const responseBody = await response.json();
+  return responseBody;
+}
+
+export default function StatusPage() {
+  return (
+    <>
+      <h1>Status</h1>
+      <UpdatedAt />
+      <ShowAPIStatus />
+    </>
+  );
+}
+
+function UpdatedAt() {
+  const { data, isLoading } = useSWR("/api/v1/status", fetchAPI, {
+    refreshInterval: 2000,
+  });
+
+  let updatedAtText = "Carregando...";
+
+  if (!isLoading && data) {
+    updatedAtText = new Date(data.updated_at).toLocaleString("pt-br");
+  }
+
+  return <div>Última atualização: {updatedAtText}</div>;
+}
+
+function ShowAPIStatus() {
+  const { data, isLoading } = useSWR("/api/v1/status", fetchAPI, {
+    refreshInterval: 2000,
+  });
+
+  return isLoading ? (
+    <div>Carregando...</div>
+  ) : (
+    <>
+      <div>Versão do PostgreSQL: {data.dependencies.database.version}</div>
+      <div>Conexões máximas: {data.dependencies.database.max_connections}</div>
+      <div>
+        Conexões abertas: {data.dependencies.database.opened_connections}
+      </div>
+    </>
+  );
+}