xyz.codevomit.bootlog.blog.BackupController.java Source code

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Here is the source code for xyz.codevomit.bootlog.blog.BackupController.java

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/*
 * Copyright (C) 2016 CodeVomit Productions
 *
 * 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/>.
 */
package xyz.codevomit.bootlog.blog;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.Locale;
import java.util.stream.IntStream;
import javax.servlet.http.HttpServletResponse;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.io.IOUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.MessageSource;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.util.FileCopyUtils;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RequestPart;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;
import org.springframework.web.servlet.view.RedirectView;
import xyz.codevomit.bootlog.entity.Post;
import xyz.codevomit.bootlog.service.BackupService;
import xyz.codevomit.bootlog.service.PostService;

/**
 *
 * @author merka
 */
@Controller
@RequestMapping("/backup")
@Slf4j
public class BackupController {
    @Value("${server.contextPath:}")
    String contextPath;

    @Autowired
    BackupService backupService;

    @Autowired
    PostService postService;

    @GetMapping(path = { "" })
    public String land() {
        return "backup";
    }

    @PostMapping(path = { "export", "/export" })
    @ResponseBody
    public void export(HttpServletResponse response) throws JsonProcessingException, IOException {
        String serializedContent = backupService.backupPostsToJSON();
        response.setHeader("Content-Disposition", "attachment; filename=bootlog-export.json");
        FileCopyUtils.copy(new ByteArrayInputStream(serializedContent.getBytes()), response.getOutputStream());
    }

    @PostMapping(path = "import")
    public RedirectView importContent(@RequestParam(name = "jsonContent", required = true) MultipartFile jsonFile,
            RedirectAttributes redirectAttributes, MessageSource source, Locale locale) {
        try {
            String json = IOUtils.toString(jsonFile.getInputStream());
            backupService.importPostContent(json);
            redirectAttributes.addFlashAttribute("message", "Import successful!");
        } catch (Exception e) {
            log.error("Error during content import:", e);
            String errorMessage = source.getMessage("backup.error.message", null, locale) + e.getMessage();
            redirectAttributes.addFlashAttribute("message", errorMessage);
        }

        return new RedirectView(contextPath + "/backup");
    }
}