longreturn.js

return (
        (body['adult-tickets'] && body['student-ticket']) // make sure that the number of tickets are there (we use this to calculate price)
        && (/^\d+$/.test(body["adult-tickets"]) && /^\d+$/.test(body["student-tickets"])) // make sure they are numbers
        && (body["adult-tickets"] = parseInt(body["adult-tickets"])) // parse em and make sure it worked
        && (body["student-tickets"] = parseInt(body["student-tickets"]))
        && (body["adult-tickets"] > 0 || body["student-tickets"] > 0) // check that either student or adult ticket forms were included
        && (body["adult_tickets"].length === body["adult-tickets"] || body["student_tickets"].length === body["student-tickets"]) // check that we have all the forms and no more
        && [body["adult_tickets"], body["student_tickets"]].every(
        b => keys.every(e => Object.keys(b).includes(e) && b[e].length < 255)) // make sure all the keys in the above array are in the all of the inputs for each
        && [body["adult_tickets"], body["student_tickets"]]
            .every(tickets =>
                tickets.every(ticket =>
                    keys.every(key =>
                        Object.keys(ticket).includes(key) // make sure all the keys in the above array are in the all of the inputs for each
                        && ticket[key].length < 255)
                    && (ticket.gender === "male" || ticket.gender === "female") // and that gender is either male or female
                )
                && states.includes(body.state)
            )
    );