/**
 * Created by CSL on 2018-12-17.
 */

let mongoose = require('mongoose');
let blModel = mongoose.model('blockLibsModel');

module.exports = {
    getLibNames: getLibNames,
    getLib: getLib,
    getLibNamesAndFirstLib: getLibNamesAndFirstLib,
    saveBlock: saveBlock
};

// userID、compilationID
async function getLibNames(data) {
    let libNames = await blModel.find({userID: data.userID, compilation: data.compilationID}, ["libID","libName","-_id"]);
    return libNames;
};

// libID
async function getLib(data) {
    let lib = await blModel.findOne({libID: data.libID});
    return lib;
};

// userID、compilationID
async function getLibNamesAndFirstLib(data) {
    let libNames = await getLibNames(data);
    let firstLib = await getLib(libNames[0]);
    return {libNames: libNames, firstLib: firstLib};
};

// libID
async function saveBlock(data) {
    await blModel.update({libID: data.libID}, {"$addToSet": {"datas": data}});
    return 'saveBlock.OK';
};