A Deno-powered backend service for Plants vs. Zombies: MODDED. [Read-only GitHub mirror]
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expressjs
plant
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pvzm
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plants-vs-zombies
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javascript
plants
modded
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plantsvszombies
openapi
pvz
noads
Enhance featured sorting logic based on engagement data availability
+15
-5
+15
-5
modules/routes/levels.ts
+15
-5
modules/routes/levels.ts
···
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let orderClause: string;
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if (sort === "featured") {
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-
// Featured sort: featured levels first, then by a combined score
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-
// Score combines recency (heavily weighted) with quality (favorites > plays)
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// Recency weight: 1 point per day since epoch, quality: favorites * 100 + plays
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-
// This ensures recent levels rank higher than old popular ones
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-
orderClause = `featured DESC, (created_at / 86400.0 + favorites * 100 + plays) DESC`;
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+
// Check if database has mature engagement data (any level with 100+ plays)
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+
const maxPlaysResult = dbCtx.db.prepare("SELECT MAX(plays) as max_plays FROM levels").get() as { max_plays: number } | undefined;
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+
const maxPlays = maxPlaysResult?.max_plays ?? 0;
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+
const hasMatureData = maxPlays >= 100;
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+
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+
if (hasMatureData) {
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+
// Balanced approach: recency + quality
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+
// Recency weight: 1 point per day since epoch, quality: favorites * 100 + plays
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+
orderClause = `featured DESC, (created_at / 86400.0 + favorites * 100 + plays) DESC`;
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+
} else {
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+
// New database: heavily favor recency with minimal quality impact
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+
// Recency weight: 1 point per day, quality: favorites * 10 + plays / 10
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+
// This makes recency ~100x more important than in the mature formula
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+
orderClause = `featured DESC, (created_at / 86400.0 + favorites * 10 + plays / 10.0) DESC`;
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+
}
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} else {
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const orderColumn = sort === "recent" ? "created_at" : sort === "favorites" ? "favorites" : "plays";
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orderClause = `${orderColumn} ${orderDirection}, id ${orderDirection}`;