feat: cityStatistics script

scripts/cityStatistics.js

@@ -0,0 +1,34 @@
+import "dotenv/config"
+import database from "../src/database/database.js"
+
+console.log("Connecting to database...")
+await database.init()
+    .then(() => {
+        console.log("Database connected")
+    })
+    .catch((e) => {
+        console.error("Failed to connect to the database", e)
+        process.exit(1)
+    })
+
+const data = await database.UserInfo.find(
+    { "associationMembership.status": "MEMBER"},
+    { "associationMembership.city": 1, _id: 0 }
+);
+
+const cities = data.map(item => item.associationMembership.city)
+
+const cityCount = Object.fromEntries(
+    Object.entries(
+      cities.reduce((acc, city) => {
+        acc[city] = (acc[city] || 0) + 1;
+        return acc;
+      }, {})
+    ).sort((a, b) => b[1] - a[1])
+  );
+
+const resultString = Object.entries(cityCount)
+.map(([city, count]) => `${count}\t${city}`)
+.join('\n');
+
+console.log(resultString)