NodeBB/NodeBB

'use strict';


define('forum/topic/fork', [
    'components', 'postSelect', 'alerts', 'categorySelector',
], function (components, postSelect, alerts, categorySelector) {
    const Fork = {};
    let forkModal;
    let forkCommit;
    let fromTid;
    let selectedCategory;

    Fork.init = function () {
        fromTid = ajaxify.data.tid;
        selectedCategory = ajaxify.data.category;

        $(window).off('action:ajaxify.end', onAjaxifyEnd).on('action:ajaxify.end', onAjaxifyEnd);

        if (forkModal) {
            return;
        }

        app.parseAndTranslate('modals/fork-topic', {
            selectedCategory: selectedCategory,
        }, function (html) {
            forkModal = html;

            forkCommit = forkModal.find('#fork_thread_commit');

            $('body').append(forkModal);

            categorySelector.init(forkModal.find('[component="category-selector"]'), {
                onSelect: function (category) {
                    selectedCategory = category;
                },
                privilege: 'moderate',
            });

            forkModal.find('#fork_thread_cancel').on('click', closeForkModal);
            forkModal.find('#fork-title').on('keyup', checkForkButtonEnable);

            postSelect.init(function () {
                checkForkButtonEnable();
                showPostsSelected();
            });
            showPostsSelected();

            forkCommit.on('click', createTopicFromPosts);
        });
    };

    function onAjaxifyEnd() {
        if (ajaxify.data.template.name !== 'topic' || ajaxify.data.tid !== fromTid) {
            closeForkModal();
            $(window).off('action:ajaxify.end', onAjaxifyEnd);
        }
    }

    function createTopicFromPosts() {
        if (!selectedCategory) {
            return;
        }
        forkCommit.attr('disabled', true);
        socket.emit('topics.createTopicFromPosts', {
            title: forkModal.find('#fork-title').val(),
            pids: postSelect.pids,
            fromTid: fromTid,
            cid: selectedCategory.cid,
        }, function (err, newTopic) {
            function fadeOutAndRemove(pid) {
                components.get('post', 'pid', pid).fadeOut(500, function () {
                    $(this).remove();
                });
            }
            forkCommit.removeAttr('disabled');
            if (err) {
                return alerts.error(err.message);
            }

            alerts.alert({
                timeout: 5000,
                title: '[[global:alert.success]]',
                message: '[[topic:fork-success]]',
                type: 'success',
                clickfn: function () {
                    ajaxify.go('topic/' + newTopic.slug);
                },
            });

            postSelect.pids.forEach(function (pid) {
                fadeOutAndRemove(pid);
            });

            closeForkModal();
        });
    }

    function showPostsSelected() {
        if (postSelect.pids.length) {
            forkModal.find('#fork-pids').translateHtml('[[topic:fork-pid-count, ' + postSelect.pids.length + ']]');
        } else {
            forkModal.find('#fork-pids').translateHtml('[[topic:fork-no-pids]]');
        }
    }

    function checkForkButtonEnable() {
        if (forkModal.find('#fork-title').val().length && postSelect.pids.length) {
            forkCommit.removeAttr('disabled');
        } else {
            forkCommit.attr('disabled', true);
        }
    }

    function closeForkModal() {
        if (forkModal) {
            forkModal.remove();
            forkModal = null;
            postSelect.disable();
        }
    }

    return Fork;
});