Restart a promise after fail

Question

I\'m using Nodejs and Q to run a sequence of asynchronous functions. If one fails i\'d like to run another function and then start the sequence again. Heres it is as is:

Answer 1

You need to wrap it in a function that you can call again. A promise by itself cannot be "restarted".

var promise = (function trySearch() {
    return database.getUserCookies(user)
    .then(proxy.search)
    .fail(function(err) {
        if (err.rejected === 302) { // only when missing authentication
            return database.fetchAuth(data)
//          ^^^^^^
            .then(proxy.login)
            .then(database.saveCookies)
            .then(trySearch) // try again
        } else
            throw err;
    })
}())
.then(responser.search)