i need to make a ruby on rails code that allow a login for only one user to connect at the same time. and when a second user use the same mail and password the code show a message that says : another user is connecting. I need the project to be done in a small interface so i can test it when connecting with two computers or 2 phones.
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Hello, I have 4+ year of experience with ruby on rails and associate technologies like html,css,js,ajax,db and diff servers.I can do your work within the day.