Fixing issues

api/src/services/users/find-from-auth0-token-service.ts

@@ -0,0 +1,35 @@
+import { auth0Integration } from "@/integrations"
+import { User } from "@/models"
+import { Op } from "@sequelize/core"
+import BaseService from "@/services/base-service"
+
+export class FindFromAuth0TokenService extends BaseService {
+  constructor(private token: string) {
+    super()
+  }
+
+  async perform(): Promise<User> {
+    const { auth0Subject, email } = await auth0Integration.getUserInfo(this.token)
+
+    const existingUser = await User.withScope(["asCurrentUser"]).findOne({
+      where: { auth0Subject },
+    })
+
+    if (existingUser) {
+      return existingUser
+    }
+
+    const firstTimeUser = await User.withScope(["asCurrentUser"]).findOne({
+      where: { [Op.or]: [{ auth0Subject: email }, { email: email }] },
+    })
+
+    if (firstTimeUser) {
+      await firstTimeUser.update({ auth0Subject })
+      return firstTimeUser
+    }
+
+    throw new Error("No user found for this token.")
+  }
+}
+
+export default FindFromAuth0TokenService