更改：项目排行榜使用数据存储以及数据导出的功能

app/jobs/daily_project_statistics_job.rb

@@ -0,0 +1,32 @@
+class DailyProjectStatisticsJob < ApplicationJob
+  queue_as :cache
+
+  def perform
+    date = (Date.today - 1.days).to_s
+    daily_data_keys = $redis_cache.keys("v2-project-statistic:*-#{date}")
+    daily_data_keys.each do |key| 
+      result = $redis_cache.hgetall(key)
+      project_id = key.gsub('v2-project-statistic:', '').gsub("-#{date}", '')
+      visits = result["visits"].to_i 
+      watchers = result["watchers"].to_i 
+      praises = result["praises"].to_i
+      forks = result["forks"].to_i 
+      issues = result["issues"].to_i 
+      pullrequests = result["pullrequests"].to_i 
+      commits = result["commits"].to_i 
+      score = visits *1 + watchers *5 + praises * 5 + forks * 10 + issues *5 + pullrequests * 10 + commits * 5 
+      DailyProjectStatistic.create!(
+        project_id: project_id,
+        date: date,
+        score: score ,
+        visits: visits,
+        watchers: watchers,
+        praises: praises,
+        forks: forks, 
+        issues: issues,
+        pullrequests: pullrequests,
+        commits: commits
+      )
+    end
+  end
+end