update

fix-categories.js

@@ -0,0 +1,56 @@
+// MongoDB script to fix article categories
+// Run with: docker exec -i munich-news-mongodb mongosh -u admin -p changeme --authenticationDatabase admin < fix-categories.js
+
+use munich_news
+
+print("=== RSS Feeds and their categories ===");
+db.rss_feeds.find({}, {name: 1, category: 1, _id: 0}).forEach(feed => {
+    print(`${feed.name}: ${feed.category || 'NO CATEGORY'}`);
+});
+
+print("\n=== Current article category distribution ===");
+db.articles.aggregate([
+    {$group: {_id: "$category", count: {$sum: 1}}},
+    {$sort: {count: -1}}
+]).forEach(result => {
+    print(`${result._id || 'null'}: ${result.count} articles`);
+});
+
+print("\n=== Fixing null categories ===");
+
+// Update articles based on their RSS feed source
+var feedsUpdated = 0;
+db.rss_feeds.find().forEach(function(feed) {
+    if (feed.category) {
+        var result = db.articles.updateMany(
+            {source: feed.name, category: null},
+            {$set: {category: feed.category}}
+        );
+        if (result.modifiedCount > 0) {
+            print(`Updated ${result.modifiedCount} articles from ${feed.name} to category: ${feed.category}`);
+            feedsUpdated += result.modifiedCount;
+        }
+    }
+});
+
+// Set remaining null categories to 'general'
+var remainingNull = db.articles.updateMany(
+    {category: null},
+    {$set: {category: "general"}}
+);
+
+if (remainingNull.modifiedCount > 0) {
+    print(`Set ${remainingNull.modifiedCount} remaining null articles to 'general'`);
+}
+
+print(`\nTotal articles updated: ${feedsUpdated + remainingNull.modifiedCount}`);
+
+print("\n=== Updated article category distribution ===");
+db.articles.aggregate([
+    {$group: {_id: "$category", count: {$sum: 1}}},
+    {$sort: {count: -1}}
+]).forEach(result => {
+    print(`${result._id || 'null'}: ${result.count} articles`);
+});
+
+print("\n✓ Done!");