/*
    Copyright (C) 2016  PencilBlue, LLC
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
'use strict';
 
var util = require('../../util.js');
 
module.exports = function JobServiceModule(pb) {
 
    /**
     * Provides the ability to interact with jobs that have already been created.
     * @class JobService
     * @constructor
     */
    function JobService(){
        this.type = 'job_run';
    }
 
    /**
     * Retrieves the log entries for the specified job from the start date up until
     * the current time.
     * @method getLogs
     * @param {String} jid The job ID
     * @param {Date} startingDate The lower bound on the "created" field of the log
     * entry
     * @param {Function} cb A callback that takes two parameters: cb(Error, Array)
     */
    JobService.prototype.getLogs = function(jid, startingDate, cb) {
        if (util.isFunction(startingDate)) {
            cb           = startingDate;
            startingDate = new Date(0);
        }
 
        var where = {
            job_id: jid,
            created: {$gte: startingDate}
        };
        var orderBy = {'created': pb.DAO.ASC};
 
        var dao = new pb.DAO();
        dao.q('job_log', {where: where, select: pb.DAO.SELECT_ALL, order: orderBy}, cb);
    };
 
    /**
     * Retrieves the job descriptor by ID
     * @method loadById
     * @param {String} jid The job's ID
     * @param {Function} cb A callback that takes two parameters: cb(Error, Object)
     */
    JobService.prototype.loadById = function(jid, cb) {
        var dao = new pb.DAO();
        dao.loadById(jid, this.type, cb);
    };
 
    //exports
    return JobService;
};