de.appsolve.padelcampus.admin.controller.general.AdminGeneralModulesBlogController.java Source code

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Here is the source code for de.appsolve.padelcampus.admin.controller.general.AdminGeneralModulesBlogController.java

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package de.appsolve.padelcampus.admin.controller.general;

import de.appsolve.padelcampus.constants.Constants;
import de.appsolve.padelcampus.db.dao.ModuleDAOI;
import de.appsolve.padelcampus.db.dao.PageEntryDAOI;
import de.appsolve.padelcampus.db.dao.generic.BaseEntityDAOI;
import de.appsolve.padelcampus.db.model.Module;
import de.appsolve.padelcampus.db.model.PageEntry;
import de.appsolve.padelcampus.spring.LocalDateEditor;
import de.appsolve.padelcampus.utils.SessionUtil;
import org.apache.commons.io.IOUtils;
import org.joda.time.LocalDate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.dao.DataIntegrityViolationException;
import org.springframework.data.domain.PageImpl;
import org.springframework.data.domain.Pageable;
import org.springframework.stereotype.Controller;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.WebDataBinder;
import org.springframework.web.bind.annotation.InitBinder;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import java.io.IOException;
import java.io.InputStream;
import java.util.Collections;
import java.util.List;

import static de.appsolve.padelcampus.utils.FormatUtils.DATE_HUMAN_READABLE_PATTERN;

/**
 * @author dominik
 */
@Controller()
@RequestMapping("/admin/general/modules/blog/{moduleId}")
public class AdminGeneralModulesBlogController extends AdminSortableController<PageEntry> {

    @Autowired
    ModuleDAOI moduleDAO;

    @Autowired
    PageEntryDAOI pageEntryDAO;

    @Autowired
    ServletContext context;

    @Autowired
    SessionUtil sessionUtil;

    @InitBinder
    public void initBinder(WebDataBinder binder) {
        binder.registerCustomEditor(LocalDate.class, new LocalDateEditor(DATE_HUMAN_READABLE_PATTERN, false));
    }

    @Override
    public String getModuleName() {
        return "admin/general/modules/blog";
    }

    @Override
    public BaseEntityDAOI getDAO() {
        return pageEntryDAO;
    }

    @Override
    public ModelAndView showIndex(HttpServletRequest request, Pageable pageable, String search) {
        Module module = getModule(request);
        List<PageEntry> all = pageEntryDAO.findByModule(module);
        Collections.sort(all);
        ModelAndView mav = getIndexView(new PageImpl<>(all));
        mav.addObject("Module", module);
        return mav;
    }

    @Override
    public ModelAndView redirectToIndex(HttpServletRequest request) {
        return new ModelAndView("redirect:/" + getModuleName() + "/" + getModule(request).getId());
    }

    @Override
    public ModelAndView showAddView(HttpServletRequest request) {
        PageEntry entry = createNewInstance();
        try {
            InputStream is = context.getResourceAsStream("static/templates/BlogPostImageRight.html");
            String html = IOUtils.toString(is, Constants.UTF8);
            entry.setMessage(html);
        } catch (IOException ex) {
            LOG.error(ex);
        }
        ModelAndView mav = getEditView(entry);
        mav.addObject("Parent", getModule(request));
        return mav;
    }

    @Override
    public ModelAndView showEditView(HttpServletRequest request, @PathVariable("modelId") Long modelId) {
        ModelAndView mav = getEditView(findById(modelId));
        mav.addObject("Parent", getModule(request));
        return mav;
    }

    @Override
    public ModelAndView postEditView(@ModelAttribute("Model") PageEntry model, HttpServletRequest request,
            BindingResult result) {
        Module module = getModule(request);
        if (model.getPosition() == null) {
            model.setPosition(0L + pageEntryDAO.findAll().size());
        }
        model.setModule(module);
        model.setAuthor(sessionUtil.getUser(request));
        return super.postEditView(model, request, result);
    }

    @Override
    public ModelAndView postDelete(HttpServletRequest request, @PathVariable("id") Long id) {
        try {
            PageEntry news = pageEntryDAO.findById(id);
            news.setModule(null);
            pageEntryDAO.saveOrUpdate(news);
            pageEntryDAO.deleteById(id);
        } catch (DataIntegrityViolationException e) {
            PageEntry model = pageEntryDAO.findById(id);
            LOG.warn("Attempt to delete " + model + " failed due to " + e);
            ModelAndView deleteView = getDeleteView(model);
            deleteView.addObject("error", msg.get("CannotDeleteDueToRefrence", new Object[] { model.toString() }));
            return deleteView;
        }
        return redirectToIndex(request);
    }

    private Module getModule(HttpServletRequest request) {
        String requestURI = request.getRequestURI();
        int index = requestURI.indexOf(getModuleName()) + getModuleName().length() + 1;
        int toIndex = requestURI.indexOf('/', index);
        toIndex = (toIndex == -1) ? requestURI.length() : toIndex;
        String moduleIdentifier = requestURI.substring(index, toIndex);
        return moduleDAO.findById(Long.parseLong(moduleIdentifier));
    }
}