feat: create PlaytimeService

src/server/classes/firebase.lua

@@ -86,7 +86,6 @@ function FirebaseService:fetch(name, database)
 		end
 	end
 
-	print("fetched firebase")
 	return Firebase;
 end
 

src/server/services/database.ts

@@ -54,7 +54,7 @@ export class DatabaseService implements OnInit, LogStart {
 		this.set(player, directory, value);
 	}
 
-	private getDirectoryForPlayer(player: Player, directory: string) {
+	private getDirectoryForPlayer(player: Player, directory: string): string {
 		return `${player.UserId}/${directory}`;
 	}
 }

src/server/services/playtime.ts

@@ -0,0 +1,31 @@
+import { Service, type OnInit } from "@flamework/core";
+import { Players } from "@rbxts/services";
+
+import type { LogStart } from "shared/hooks";
+import type { OnPlayerJoin, OnPlayerLeave } from "server/hooks";
+import type { DatabaseService } from "./database";
+
+@Service()
+export class PlaytimeService implements OnInit, OnPlayerJoin, OnPlayerLeave, LogStart {
+  private readonly joinTimestamps: Record<number, number> = {};
+
+  public constructor(
+    private readonly db: DatabaseService
+  ) {}
+
+  public onInit(): void {
+    game.BindToClose(() => {
+      for (const player of Players.GetPlayers())
+        this.onPlayerLeave(player);
+    });
+  }
+
+  public onPlayerJoin(player: Player): void {
+    this.joinTimestamps[player.UserId] = os.clock();
+  }
+
+  public onPlayerLeave(player: Player): void {
+    const timeSpent = os.clock() - this.joinTimestamps[player.UserId];
+    this.db.increment(player, "playtime", timeSpent);
+  }
+}