speed update, new table for cached stats

Sources/App/db/DBHelpers.swift

@@ -0,0 +1,56 @@
+//
+//  DBHelpers.swift
+//  App
+//
+//  Created by Michael Simard on 8/4/21.
+//
+
+import Fluent
+import Vapor
+
+class DBHelpers {
+    
+    static func relcalulateRecords(db:Database, completion:(_ message:String)->()){
+        
+         let group = DispatchGroup()
+        _ =  try? StatsController().forceCalculatedStats(db: db).map({ statsDict in
+
+            
+         
+            for key in statsDict.keys {
+                print (key)
+                group.enter()
+            }
+            
+            for key in statsDict.keys {
+                
+                let s:EventLoopFuture<Void> =  WinLossRecords.query(on: db).filter(\.$codTrackerId == key).first()
+                    .unwrap(or: Abort(.notFound))
+                    .flatMap {
+                        
+                        $0.update(statistics: WinLossRecords(id: $0.id, title: $0.title, wins: statsDict[key]?.totalWins ?? 0, losses: statsDict[key]?.totalLosses ?? 0, codTrackerId: $0.codTrackerId))
+                    
+                        return $0.save(on: db)
+                    }
+                    
+            
+                s.whenComplete { result in
+                    group.leave()
+                    return
+                }
+                 
+            
+            }
+        })
+       .wait()
+
+        
+        group.wait()
+
+        completion("complete")
+
+        
+    }
+    
+    
+}