refactor: separate createSession to sessionManager

server/src/game/sessionHandler.js

@@ -6,6 +6,10 @@ export default class SessionHandler {
     this.quest = session.quest
   }
 
+  getSession() {
+    return this.session
+  }
+
   getTask(stage) {
     return this.session.tasks.find((t) => t.id === stage.id)
   }

server/src/game/sessionManager.js

@@ -0,0 +1,50 @@
+import { Session, Quest } from '@linux-odyssey/models'
+import { createContainer, deleteContainer } from '../containers/docker.js'
+import SessionHandler from './sessionHandler.js'
+
+async function deactivateSessions(user, quest) {
+  const sessions = await Session.find({
+    user,
+    quest,
+    status: 'active',
+  })
+  return Promise.all(
+    sessions.map((session) => {
+      return deleteContainer(session.containerId).then(() => {
+        session.status = 'inactive'
+        session.containerId = null
+        return session.save()
+      })
+    })
+  )
+}
+
+export async function createNewSession(user, questId) {
+  const quest = await Quest.findById(questId)
+  if (!quest) {
+    throw new Error(`Quest ${questId} not found`)
+  }
+
+  // deactivate all active sessions
+  deactivateSessions(user._id, quest._id).catch((err) => {
+    console.error(err)
+  })
+
+  const container = await createContainer(
+    `quest-${quest.id}-${user.username}-${Date.now()}`
+  )
+
+  const sessionHandler = new SessionHandler(
+    new Session({
+      user,
+      quest,
+      containerId: container.id,
+    })
+  )
+
+  sessionHandler.addNewTasks()
+
+  const session = sessionHandler.getSession()
+  await session.save()
+  return session
+}