org.magnum.mobilecloud.video.AssignmentController.java Source code

Introduction

Here is the source code for org.magnum.mobilecloud.video.AssignmentController.java

Source

/*
 * 
 * Copyright 2014 Jules White
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 */

package org.magnum.mobilecloud.video;

import java.security.Principal;
import java.util.Collection;

import org.magnum.mobilecloud.video.client.VideoSvcApi;
import org.magnum.mobilecloud.video.repository.Video;
import org.magnum.mobilecloud.video.repository.VideoRepo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;

import com.google.common.collect.Lists;

@Controller
public class AssignmentController {

    /**
     * You will need to create one or more Spring controllers to fulfill the
     * requirements of the assignment. If you use this file, please rename it
     * to something other than "AnEmptyController"
     * 
     * 
        ________  ________  ________  ________          ___       ___  ___  ________  ___  __       
       |\   ____\|\   __  \|\   __  \|\   ___ \        |\  \     |\  \|\  \|\   ____\|\  \|\  \     
       \ \  \___|\ \  \|\  \ \  \|\  \ \  \_|\ \       \ \  \    \ \  \\\  \ \  \___|\ \  \/  /|_   
        \ \  \  __\ \  \\\  \ \  \\\  \ \  \ \\ \       \ \  \    \ \  \\\  \ \  \    \ \   ___  \  
    \ \  \|\  \ \  \\\  \ \  \\\  \ \  \_\\ \       \ \  \____\ \  \\\  \ \  \____\ \  \\ \  \ 
     \ \_______\ \_______\ \_______\ \_______\       \ \_______\ \_______\ \_______\ \__\\ \__\
      \|_______|\|_______|\|_______|\|_______|        \|_______|\|_______|\|_______|\|__| \|__|
                                                                                                                                                                                                                                                                        
     * 
     */

    @Autowired
    private VideoRepo videos;

    //GET /video
    @RequestMapping(value = VideoSvcApi.VIDEO_SVC_PATH, method = RequestMethod.GET)
    public @ResponseBody Collection<Video> getVideoList() {
        return Lists.newArrayList(videos.findAll());
    }

    //POST /video
    @RequestMapping(value = VideoSvcApi.VIDEO_SVC_PATH, method = RequestMethod.POST)
    public @ResponseBody Video addVideo(@RequestBody Video video) {
        return videos.save(video);
    }

    //GET /video/{id}
    @RequestMapping(value = VideoSvcApi.VIDEO_SVC_PATH + "/{id}", method = RequestMethod.GET)
    public @ResponseBody Video findById(@PathVariable("id") long id) {
        return videos.findOne(id);
    }

    //POST /video/{id}/like
    @RequestMapping(value = VideoSvcApi.VIDEO_SVC_PATH + "/{id}/like", method = RequestMethod.POST)
    public @ResponseBody ResponseEntity<Void> likeVideo(@PathVariable("id") long id, Principal p) {
        if (videos.exists(id)) {
            Video video = videos.findOne(id);
            if (video.userAlreadyLikes(p.getName())) {
                return new ResponseEntity<Void>(HttpStatus.BAD_REQUEST);
            } else {
                video.addUserLike(p.getName());
                videos.save(video);
                return new ResponseEntity<Void>(HttpStatus.OK);
            }
        } else {
            return new ResponseEntity<Void>(HttpStatus.NOT_FOUND);
        }
    }

    //POST /video/{id}/unlike
    @RequestMapping(value = VideoSvcApi.VIDEO_SVC_PATH + "/{id}/unlike", method = RequestMethod.POST)
    public @ResponseBody ResponseEntity<Void> unlikeVideo(@PathVariable("id") long id, Principal p) {
        Video video = videos.findOne(id);
        if (videos.exists(id)) {
            if (video.userAlreadyLikes(p.getName())) {
                video.removeUserLike(p.getName());
                videos.save(video);
                return new ResponseEntity<Void>(HttpStatus.OK);
            } else {
                return new ResponseEntity<Void>(HttpStatus.BAD_REQUEST);
            }
        } else {
            return new ResponseEntity<Void>(HttpStatus.NOT_FOUND);
        }
    }

    //GET /video/{id}/likedby
    @RequestMapping(value = VideoSvcApi.VIDEO_SVC_PATH + "/{id}/likedby", method = RequestMethod.GET)
    public @ResponseBody ResponseEntity<Collection<String>> getUsersWhoLikedVideo(@PathVariable("id") long id) {
        if (videos.exists(id)) {
            return new ResponseEntity<Collection<String>>(videos.findOne(id).getUsersLikes(), HttpStatus.OK);
        } else {
            return new ResponseEntity<Collection<String>>(HttpStatus.NOT_FOUND);
        }
    }

    //GET /video/search/findByName?title={title}
    @RequestMapping(value = VideoSvcApi.VIDEO_TITLE_SEARCH_PATH, method = RequestMethod.GET)
    public @ResponseBody Collection<Video> findByTitle(@RequestParam(VideoSvcApi.TITLE_PARAMETER) String title) {
        return videos.findByName(title);
    }

    //GET /video/search/findByDurationLessThan?duration={duration}
    @RequestMapping(value = VideoSvcApi.VIDEO_DURATION_SEARCH_PATH, method = RequestMethod.GET)
    public @ResponseBody Collection<Video> findByDurationLessThan(
            @RequestParam(VideoSvcApi.DURATION_PARAMETER) long duration) {
        return videos.findByDurationLessThan(duration);
    }
}