Readarr/UI/Mixins/backbone.ajax.js

//try to add ajax data as query string to DELETE calls.
(function (){

    var original = Backbone.ajax;

    Backbone.ajax = function (){

        var xhr = arguments[0];

        //check if ajax call was made with data option
        if(xhr && xhr.data && xhr.type=='DELETE')
        {
            if(xhr.url.indexOf('?') === -1)
            {
                xhr.url = xhr.url + '?' + $.param(xhr.data);
            }
            else
            {
                xhr.url = xhr.url + '&' + $.param(xhr.data);
            }
        }

        if (original){
            original.apply (this, arguments);
        }

    };
} ());