Move sessions to db table instead of JWTs

Sources/stella/Controllers/Api/ToolController.swift

@@ -1,4 +1,5 @@
 import Vapor
+import Fluent
 import SwiftMsgpack
 import JWT
 
@@ -13,11 +14,24 @@ struct ToolController: RouteCollection {
     func signup(req: Request) async throws -> Response {
         let body = try req.content.decode(SignupReq.self, using: MsgPackDecoder())
 
-        let session = try await req.jwt.verify(body.access_token, as: SessionPayload.self)
-        guard session.type == SessionType.ZAT.rawValue else {
+        guard
+            let session = try await Session.query(on: req.db).filter(\.$id == body.access_token).first(),
+            session.type == SessionType.ZAT
+        else {
             throw Abort(.forbidden, reason: "Invalid access token")
         }
+        let accountId = session.$account.id
 
+        if let player = try await Player.query(on: req.db).filter(\.$account.$id == accountId).first() {
+            
+        } else {
+            guard let account = try await Account.query(on: req.db).filter(\.$id == accountId).first() else {
+                throw Abort(.forbidden, reason: "Account ID does not exist")
+            }
+            // Create new Player
+            let player = try Player.createDefault(account: account)
+            try await player.save(on: req.db)
+        }
 
         throw Abort(.notImplemented)
     }