com.card.loop.xyz.pageControllers.LOIDEController.java Source code

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Here is the source code for com.card.loop.xyz.pageControllers.LOIDEController.java

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package com.card.loop.xyz.pageControllers;

import com.card.loop.xyz.config.AppConfig;
import java.io.IOException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.ModelAndView;
import com.card.loop.xyz.dao.LearningElementDAO;
import com.card.loop.xyz.dao.LearningObjectDAO;
import com.card.loop.xyz.dto.LearningElementDto;
import com.card.loop.xyz.dto.LearningObjectDto;
import com.card.loop.xyz.model.LearningElement;
import com.card.loop.xyz.model.LearningObject;
import com.card.loop.xyz.service.LearningElementService;
import com.card.loop.xyz.service.LearningObjectService;
import com.loop.controller.ContentShipper;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import javax.swing.JOptionPane;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.multipart.MultipartFile;

/**
 *
 * @author David
 * 10-04-2015-Julie Jane Alegre
 * 
 */
@Controller
@RequestMapping("/loide")
public class LOIDEController {
    @Autowired
    LearningElementService leService;
    @Autowired
    LearningElementDAO daoLE;
    @Autowired
    LearningObjectDAO daoLO;

    @RequestMapping("/error")
    public ModelAndView accessError() {
        return new ModelAndView("error");
    }

    @RequestMapping("/query/{searchKey}")
    public List<LearningElementDto> find(@PathVariable String searchKey) {
        List<LearningElementDto> dtos = new ArrayList<>();
        try {
            dtos = leService.searchLearningElements(searchKey);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return dtos;
    }

    @RequestMapping(value = "/retrieve/{elementID}", method = RequestMethod.GET)
    public void getFile(HttpServletRequest request, HttpServletResponse response, @PathVariable String elementID)
            throws IOException {
        LearningElement element = daoLE.getSpecificLearningElementById(elementID);
        String path = AppConfig.DOWNLOAD_BASE_PATH + element.getTitle();
        ContentShipper shipper = new ContentShipper(request, response, true);
        shipper.ship(path);
    }

    @RequestMapping(value = "/retrieve/{elementID}", method = RequestMethod.HEAD)
    public void getFileHeader(HttpServletRequest request, HttpServletResponse response,
            @PathVariable String elementID) throws IOException {
        LearningElement element = daoLE.getSpecificLearningElementById(elementID);
        String path = AppConfig.DOWNLOAD_BASE_PATH + element.getTitle();
        ContentShipper shipper = new ContentShipper(request, response, false);
        shipper.ship(path);
    }

    @RequestMapping(value = "/upload", method = RequestMethod.POST)
    public void uploadLearningElement(@RequestParam("title") String title, @RequestParam("author") String authorID,
            @RequestParam("description") String description, @RequestParam("file") MultipartFile file) {
        if (!file.isEmpty()) {
            try {
                byte[] bytes = file.getBytes();
                File fil = new File(AppConfig.UPLOAD_BASE_PATH + title);

                if (!fil.getParentFile().exists())
                    fil.getParentFile().mkdirs();

                BufferedOutputStream stream = new BufferedOutputStream(new FileOutputStream(fil));
                stream.write(bytes);
                stream.close();

                LearningElement le = new LearningElement();
                le.setTitle(title);
                le.setUploadedBy(authorID);
                le.setDescription(description);
                le.setDownloads(0);
                le.setStatus(1);
                le.setRating(1);
                le.setUploadDate(new Date());
                le.setFilePath(AppConfig.DOWNLOAD_BASE_PATH);
                le.setFilename(file.getOriginalFilename());
                le.setContentType(file.getOriginalFilename().split("\\.")[1]);
                daoLE.addLearningElement(le);

                //   LearningElement lo = new LearningElement(title, authorID, description);

                //   lo.setType(file.getOriginalFilename().split("\\.")[1]);
                //   Database.get().save(lo);

                System.out.println("UPLOAD FINISHED");
            } catch (Exception e) {
                e.printStackTrace();
            }
        } else {
            System.err.println("EMPTY FILE.");
        }
    }

    @RequestMapping(value = "/upload/lo", method = RequestMethod.POST)
    public void uploadLearningObject(@RequestParam("title") String title,
            @RequestParam("elements") List<LearningElement[]> elementJson, @RequestParam("author") String authorID,
            @RequestParam("description") String description) {

        LearningObject lo = new LearningObject();
        lo.setTitle(title);
        lo.setUploadedBy(authorID);
        lo.setDescription(description);
        lo.setSequence(elementJson);
        lo.setStatus(0);
        lo.setRating(1);
        lo.setDateUpload(new Date());
        lo.setComments(null);
        lo.setSubject(null);
        lo.setDownloads(0);
        lo.setPrice(0);
        lo.setRev(null);
        daoLO.saveLO(lo);

        String lg = String.format("=================Learning Object Uploaded===========================\n"
                + " Title: %s\n" + " Author ID:   %s\n" + " Description: %s\n" + " Learning Elements :\n" + "%s\n"
                + " Quiz File: %s\n" + "========================Log end======================================\n",
                title, authorID, description, elementJson);
        /*
        REDIRECT SAMPLE CODE
        return "redirect:/store/developer-lo";
        */
    }
}