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⚗️ Change the algorithm of ranking posts

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LittleSheep
2025-09-06 11:31:41 +08:00
parent 6eacfcd8f2
commit 79a31ae060
1 changed files with 5 additions and 3 deletions
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8
DysonNetwork.Sphere/Activity/ActivityService.cs
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@@ -19,11 +19,13 @@ public class ActivityService(
{
private static double CalculateHotRank(Post.Post post, Instant now)
{
var score = post.Upvotes - post.Downvotes + post.RepliesCount;
var performanceScore = post.Upvotes - post.Downvotes + post.RepliesCount;
var postTime = post.PublishedAt ?? post.CreatedAt;
var hours = (now - postTime).TotalHours;
var timeScore = (now - postTime).TotalMinutes;
// Add 1 to score to prevent negative results for posts with more downvotes than upvotes
return (score + 1) / Math.Pow(hours + 1.5, 2.0);
// Time dominates ranking, performance adjusts within similar timeframes.
var performanceWeight = Math.Log(performanceScore + 5); // smooth adjustment, median ~4-5
return performanceWeight / Math.Pow(timeScore + 1.5, 1.5);
}
public async Task<List<Activity>> GetActivitiesForAnyone(