feat: create and use InternalServerError in /api/v1/status

Author: DevSouza

infra/erros.js

@@ -0,0 +1,19 @@
+export class InternalServerError extends Error {
+  constructor({ cause }) {
+    super("Um erro interno não esperado aconteceu.", {
+      cause,
+    });
+    this.name = "InternalServerError";
+    this.action = "Entre em contato com o suporte.";
+    this.statusCode = 500;
+  }
+
+  toJSON() {
+    return {
+      name: this.name,
+      message: this.message,
+      action: this.action,
+      status_code: this.statusCode,
+    };
+  }
+}

pages/api/v1/status/index.js

@@ -1,35 +1,47 @@
 import database from "infra/database.js";
+import { InternalServerError } from "infra/erros.js";
 
 async function status(request, response) {
-  const updatedAt = new Date().toISOString();
-
-  const databaseVersionResult = await database.query("SHOW server_version;");
-  const databaseVersionValue = databaseVersionResult.rows[0].server_version;
-
-  const databaseMaxConnectionResult = await database.query(
-    "SHOW max_connections;",
-  );
-  const databaseMaxConnectionValue =
-    databaseMaxConnectionResult.rows[0].max_connections;
-
-  const databaseName = process.env.POSTGRES_DB;
-  const databaseOpenedConnectionsResult = await database.query({
-    text: "SELECT count(*)::int FROM pg_stat_activity where datname = $1;",
-    values: [databaseName],
-  });
-  const databaseOpenedConnectionsValue =
-    databaseOpenedConnectionsResult.rows[0].count;
-
-  response.status(200).json({
-    updated_at: updatedAt,
-    dependencies: {
-      database: {
-        version: databaseVersionValue,
-        max_connections: parseInt(databaseMaxConnectionValue),
-        opened_connections: databaseOpenedConnectionsValue,
+  try {
+    const updatedAt = new Date().toISOString();
+
+    const databaseVersionResult = await database.query("SHOW server_version;");
+    const databaseVersionValue = databaseVersionResult.rows[0].server_version;
+
+    const databaseMaxConnectionResult = await database.query(
+      "SHOW max_connections;",
+    );
+    const databaseMaxConnectionValue =
+      databaseMaxConnectionResult.rows[0].max_connections;
+
+    const databaseName = process.env.POSTGRES_DB;
+    const databaseOpenedConnectionsResult = await database.query({
+      text: "SELECT count(*)::int FROM pg_stat_activity where datname = $1;",
+      values: [databaseName],
+    });
+    const databaseOpenedConnectionsValue =
+      databaseOpenedConnectionsResult.rows[0].count;
+
+    response.status(200).json({
+      updated_at: updatedAt,
+      dependencies: {
+        database: {
+          version: databaseVersionValue,
+          max_connections: parseInt(databaseMaxConnectionValue),
+          opened_connections: databaseOpenedConnectionsValue,
+        },
       },
-    },
-  });
+    });
+  } catch (error) {
+    const publicErrorObject = new InternalServerError({
+      cause: error,
+    });
+
+    console.log("\n Erro dentro do catch do controller: ");
+    console.error(publicErrorObject);
+
+    response.status(500).json(publicErrorObject);
+  }
 }
 
 export default status;