Better dev experience, better front page

match_collector/champion_stat.ts

@@ -219,7 +219,7 @@ async function handleMatchList(client: MongoClient, patch: string, champions: Ma
 
     let currentMatch = 0;
     for await (let match of allMatches) {
-        console.log("Computing champion stats, game entry " + currentMatch + "/" + totalMatches + " ...")
+        process.stdout.write("\rComputing champion stats, game entry " + currentMatch + "/" + totalMatches + " ... ")
         currentMatch += 1;
         handleMatch(match, champions)
     }

match_collector/index.ts

@@ -9,6 +9,14 @@ import champion_stat from "./champion_stat"
 main()
 
 async function main() {
+    // Check if we're in development mode with pre-loaded data
+    if (process.env.NODE_ENV === 'development' && process.env.USE_IMPORTED_DATA === 'true') {
+        console.log("MatchCollector - Development mode with pre-loaded data");
+        await runWithPreloadedData();
+        return;
+    }
+
+    // Original production mode
     console.log("MatchCollector - Hello !");
     const client = await connectToDatabase();
     const [latestPatch, latestPatchTime] = await fetchLatestPatchDate(client);
@@ -152,3 +160,48 @@ async function saveMatch(client, match, latestPatch) {
     const matches = database.collection(latestPatch)
     await matches.insertOne(match)
 }
+
+/**
+ * Development mode function that generates stats from pre-loaded data
+ */
+async function runWithPreloadedData() {
+    console.log("Using pre-loaded match data for development");
+
+    const client = await connectToDatabase();
+    try {
+        const [latestPatch] = await fetchLatestPatchDate(client);
+        console.log(`Latest patch: ${latestPatch}`);
+
+        // Check if we have matches for this patch
+        const matchesDb = client.db("matches");
+        const collections = await matchesDb.listCollections().toArray();
+        const patchCollections = collections
+            .map(c => c.name)
+            .filter(name => name === latestPatch);
+
+        if (patchCollections.length === 0) {
+            console.error(`❌ No match data found for patch ${latestPatch}`);
+            console.log("💡 Please run the data import script first:");
+            console.log("   node dev/scripts/setup-db.js");
+            return;
+        }
+
+        console.log(`Found ${patchCollections.length} match collection(s)`);
+
+        // Generate stats for each patch with data
+        for (const patch of patchCollections) {
+            console.log(`Generating stats for patch ${patch}...`);
+            await champion_stat.makeChampionsStats(client, patch);
+            console.log(`Stats generated for patch ${patch}`);
+        }
+
+        console.log("🎉 All stats generated successfully!");
+        console.log("🚀 Your development database is ready for frontend testing!");
+
+    } catch (error) {
+        console.error("❌ Error in development mode:", error);
+        throw error;
+    } finally {
+        await client.close();
+    }
+}