pinclub/pinclub

var Forum        = require('../proxy').Forum;
var Topic        = require('../proxy').Topic;
var _            = require('lodash');
var EventProxy = require('eventproxy');
// DONE (hhdem) Forum信息添加和修改
exports.create = function (req, res, next) {
    req.checkBody({
        'title': {
            notEmpty: {
                options: [true],
                errorMessage: '板块名称不能为空'
            }
        },
        'type': {
            notEmpty: {
                options: [true],
                errorMessage: 'type 不能为空'
            },
            matches: {
                options: ['public|private|internal'],
                errorMessage: 'type 必须为 public,private,internal'
            }
        }
    });
    req.getValidationResult().then(function(result) {
        if (!result.isEmpty()) {
            return res.status(400).json({
                success: false,
                err_message: '参数验证失败',
                err: result.useFirstErrorOnly().mapped()
            }).end();
        }

        var ep = new EventProxy();
        ep.fail(next);

        let data = _.pick(req.body, ['id', 'title', 'content', 'path_name', 'type', 'order', 'bannerImage', 'css_text', 'js_text', 'template', 'managers', 'members', 'parent', 'show_type', 'avatar', 'sidebar_text']);

        ep.on('parent',
            function (parent) {
                data.user_id = req.session.user._id;
                if (!!parent) {
                    data.code = parent.code + '_' + data.path_name;
                } else {
                    data.code = data.path_name;
                }
                if (!!data.id) {
                    // 修改
                    Forum.getForum(data.id, function (err, forum) {
                        if (err) {
                            return next(err);
                        }
                        forum.title = data.title;
                        forum.content = data.content;
                        forum.path_name = data.path_name;
                        forum.code = data.code;
                        forum.type = data.type;
                        forum.show_type = data.show_type;
                        forum.order = data.order;
                        forum.template = data.template;
                        forum.bannerImage = data.bannerImage;
                        forum.css_text = data.css_text;
                        forum.js_text = data.js_text;
                        forum.managers = data.managers;
                        forum.members = data.members;
                        forum.parent = data.parent;
                        forum.avatar = data.avatar;
                        forum.sidebar_text = data.sidebar_text;
                        forum.save(function (err) {
                            if (err) {
                                return next(err);
                            }
                            res.redirect('/admin/forums');
                        });
                    });
                } else {
                    // 新增
                    Forum.newAndSave(data, function (err, forum) {
                        if (err) {
                            return next(err);
                        }
                        res.redirect('/admin/forums');
                    });
                }
            });

        if (!!data.parent) {
            Forum.getForum(data.parent, ep.done('parent'));
        } else {
            ep.emit('parent', null);
        }
    });
};

// DONE (hhdem) Forum信息查看
exports.show = function (req, res, next) {
    req.checkParams({
        'id': {
            notEmpty: {
                options: [true],
                errorMessage: '板块名称不能为空'
            },
            isMongoId: {errorMessage: 'id 需为 mongoId 对象'}
        }
    });
    req.getValidationResult().then(function(result) {
        if (!result.isEmpty()) {
            return res.status(400).json({
                success: false,
                err_message: '参数验证失败',
                err: result.useFirstErrorOnly().mapped()
            }).end();
        }
        var id = req.params.id;
        Forum.getFullForum(id, function (err, msg, forum, topics, childrens, others) {
            if (!!err) {
                return next (err);
            }
            if (!forum) {
                res.status(404);
                return res.send({success: false, error_msg: '板块不存在'});
            }
            if (!!msg) {
                res.status(404);
                return res.send({success: false, error_msg: msg});
            }
            forum.topics = topics;
            forum.childrens = childrens ? childrens : [];
            forum.others = others ? others : [];
            res.render('forum/topics', {
                forum: forum
            });
        });
    });
};

// TODO Forum信息删除
exports.delete = function (req, res, next) {
    res.send({success: true});
};

/**
 * 刷新板块主题数量
 * @param req
 * @param res
 * @param next
 */
exports.refreshCount = function (req, res, next) {
    req.checkParams({
        'id': {
            notEmpty: {
                options: [true],
                errorMessage: '板块名称不能为空'
            },
            isMongoId: {errorMessage: 'id 需为 mongoId 对象'}
        }
    });
    req.getValidationResult().then(function(result) {
        if (!result.isEmpty()) {
            return res.status(400).json({
                success: false,
                err_message: '参数验证失败',
                err: result.useFirstErrorOnly().mapped()
            }).end();
        }
        var id = req.params.id;
        Topic.getCountByQuery({forum: id, type:'text', deleted: false}, function (err, count) {
            if (!!err) {
                return next (err);
            }
            Forum.getForum(id, function (err, forum) {
                if (!!err) {
                    return next (err);
                }
                if (forum.topic_count != count) {
                    forum.topic_count = count;
                    forum.save();
                }
                res.send({success: true, topic_count: count});
            });
        });
    });
};