refactor(about): remove blog section and decouple from blog module

scripts/2026_02_07_migrate_about_news_to_blog.js

@@ -0,0 +1,99 @@
+/**
+ * Migration: Convert About News static items to dynamic Blog selection
+ * Date: 2026-02-07
+ *
+ * This migration:
+ * 1. Adds selectedBlogIds field to About news section
+ * 2. Keeps existing items for backward compatibility
+ * 3. Does NOT delete old data (safe migration)
+ */
+
+const mongoose = require("mongoose");
+require("dotenv").config();
+
+const MONGODB_URI = process.env.MONGODB_URI || "mongodb://localhost:27017/SIMS";
+
+async function up() {
+    try {
+        await mongoose.connect(MONGODB_URI);
+        console.log("✓ Connected to MongoDB");
+
+        const AboutUs = mongoose.model("AboutUs", new mongoose.Schema({}, { strict: false }));
+
+        const doc = await AboutUs.findOne();
+
+        if (!doc) {
+            console.log("⚠ No About Us document found. Skipping migration.");
+            return;
+        }
+
+        // Check if already migrated
+        if (doc.news && doc.news.selectedBlogIds !== undefined) {
+            console.log("✓ Migration already applied. Skipping.");
+            return;
+        }
+
+        // Add selectedBlogIds field (empty array by default)
+        if (!doc.news) {
+            doc.news = {};
+        }
+
+        doc.news.selectedBlogIds = [];
+
+        // Keep existing items for backward compatibility
+        // Admin can manually select blogs after migration
+
+        await doc.save();
+
+        console.log("✓ Migration completed successfully");
+        console.log("  - Added selectedBlogIds field to About news section");
+        console.log("  - Existing items preserved for backward compatibility");
+        console.log("  - Admin can now select blogs from Blog Management");
+    } catch (error) {
+        console.error("✗ Migration failed:", error);
+        throw error;
+    }
+}
+
+async function down() {
+    try {
+        await mongoose.connect(MONGODB_URI);
+        console.log("✓ Connected to MongoDB");
+
+        const AboutUs = mongoose.model("AboutUs", new mongoose.Schema({}, { strict: false }));
+
+        const doc = await AboutUs.findOne();
+
+        if (!doc || !doc.news) {
+            console.log("⚠ No About Us document found. Skipping rollback.");
+            return;
+        }
+
+        // Remove selectedBlogIds field
+        if (doc.news.selectedBlogIds !== undefined) {
+            delete doc.news.selectedBlogIds;
+            await doc.save();
+            console.log("✓ Rollback completed - selectedBlogIds removed");
+        } else {
+            console.log("✓ Nothing to rollback");
+        }
+    } catch (error) {
+        console.error("✗ Rollback failed:", error);
+        throw error;
+    }
+}
+
+// Run migration
+if (require.main === module) {
+    up()
+        .then(() => {
+            console.log("\n✓ Migration script completed");
+            process.exit(0);
+        })
+        .catch((error) => {
+            console.error("\n✗ Migration script failed:", error);
+            process.exit(1);
+        });
+}
+
+module.exports = { up, down };