backend for EMS, using express mongo graphQL

1- req header object must contain authorization. 2- after authentication, Bearer Token will be granted containing { userid: user.userid, name: user.name, role: collection, validity time. } 3- this token should be included in every request header as bearer token, Auth middleware will verify it on every call.

Errors:{ msg: "request header should contain {role, authorization: Basic or Bearer Token} fields", sol: check for role or credentials.

msg: "add role to the req header", sol: role must be added to header when doing Basic Auth.

msg: "token error", sol: remove current token form cookie, perform basic auth and save new token.

msg: "bad credentials", sol: wrong credentials provided by the user.

msg: "bad credentials or db err", sol: most probably it's a db error.

msg: "select role as: employee, owner or department", sol: check for role added to header, must be one of mentioned. }

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