/**
 * Created by Tony on 2017/4/21.
 */

var rationChapterTreeData = require('../models/rationChapterTree');
var callback = function(req,res,err,data){
    if(data){
        res.status(200)
        res.json({success:true,data:data});
    }
    else
    if(err){
        res.status(500)
        res.json({success:false,error:err});
        //res.json(err);
    }
    else{
        res.status(204);
        res.json({success:true,data:null});
    }
}
module.exports ={
    getRationChapterTree: function(req,res){
        var libName = req.body.rationLibName;
        rationChapterTreeData.getRationChapterTree(libName,function(err,data){
            callback(req,res,err,data)
        })
    },
    createNewNode: function(req, res){
        var libName = req.body.rationLibName;
        var lastNodeId = req.body.lastNodeId;
        var nodeData = JSON.parse(req.body.rawNodeData);
        rationChapterTreeData.createNewNode(libName, lastNodeId, nodeData, function(err,data){
            callback(req,res,err,data)
        });
    },
    updateNodes: function(req, res) {
        var nodes = JSON.parse(req.body.nodes);
        rationChapterTreeData.updateNodes(nodes, function(err,results){
            callback(req,res, err, results)
        });
    },
    deleteNodes: function(req, res) {
        var nodes = JSON.parse(req.body.nodes);
        var preNodeId = req.body.preNodeId;
        var preNodeNextId = req.body.preNodeNextId;
        rationChapterTreeData.removeNodes(nodes, preNodeId, preNodeNextId, function(err,results){
            callback(req,res, err, results)
        });
    }
}