com.envision.envservice.rest.CourseResource.java Source code

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Here is the source code for com.envision.envservice.rest.CourseResource.java

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/******************************************************************************
 * @File name   :      CourseResource.java
 *
 * @Package    :      com.envision.envservice.rest
 *
 * @Author      :      guowei.wang
 *
 * @Date        :      2016-1-20 ?3:14:18
 *
 * @Copyright Notice: 
 * Copyright (c) 2016 Envision, Inc. All  Rights Reserved.
 * This software is published under the terms of the Envision Software
 * License version 1.0, a copy of which has been included with this
 * distribution in the LICENSE.txt file.
 * 
 * 
 * ----------------------------------------------------------------------------
 * Date                         Who         Version        Comments
 * 2016-1-20 ?3:14:18             guowei.wang     1.0            Initial Version
 *****************************************************************************/
package com.envision.envservice.rest;

import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;

import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.stereotype.Component;

import com.alibaba.fastjson.JSON;
import com.envision.envservice.common.Code;
import com.envision.envservice.common.FailResult;
import com.envision.envservice.common.JSONFilter;
import com.envision.envservice.entity.bo.CourseFeedbackBo;
import com.envision.envservice.service.CourseService;
import com.envision.envservice.service.exception.ServiceException;

/**
 * @ClassName CourseResource
 * @author guowei.wang
 * @date 2016-1-20
 */
@Path("course")
@Component
public class CourseResource {

    private static final int FEEDFACK_MAX_LENGTH = 500;

    @Autowired
    private CourseService courseService;

    @GET
    @Produces(MediaType.APPLICATION_JSON)
    public Response queryAll() throws Exception {
        HttpStatus status = HttpStatus.OK;
        String response = JSON.toJSONString(courseService.queryAll(), JSONFilter.NULL_UNDERLINE_FILTERS);

        return Response.status(status.value()).entity(response).build();
    }

    @POST
    @Path("/arrange/{courseId}")
    @Produces(MediaType.APPLICATION_JSON)
    public Response arrange(@PathParam("courseId") int courseId) throws ServiceException {
        HttpStatus status = HttpStatus.CREATED;
        String response = StringUtils.EMPTY;

        courseService.arrange(courseId);

        return Response.status(status.value()).entity(response).build();
    }

    @POST
    @Path("/feedback/{courseId}")
    @Produces(MediaType.APPLICATION_JSON)
    public Response feedback(@PathParam("courseId") int courseId, CourseFeedbackBo feedback)
            throws ServiceException {
        HttpStatus status = HttpStatus.ACCEPTED;
        String response = StringUtils.EMPTY;

        if (checkParam(feedback)) {
            courseService.feedback(courseId, feedback);
        } else {
            status = HttpStatus.BAD_REQUEST;
            response = FailResult.toJson(Code.PARAM_ERROR, "??star");
        }

        return Response.status(status.value()).entity(response).build();
    }

    @GET
    @Path("/feedback/{courseId}")
    @Produces(MediaType.APPLICATION_JSON)
    public Response queryFeedback(@PathParam("courseId") int courseId) throws ServiceException {
        HttpStatus status = HttpStatus.OK;
        String response = JSON.toJSONString(courseService.feedback(courseId), JSONFilter.NULLFILTER);

        return Response.status(status.value()).entity(response).build();
    }

    private boolean checkParam(CourseFeedbackBo feedback) {
        int stars = feedback.getStars();
        String message = feedback.getFeedback();

        return stars > 0 && stars <= 5 && StringUtils.isNotEmpty(message) && message.length() < FEEDFACK_MAX_LENGTH;
    }
}