ru.mystamps.web.controller.CollectionController.java Source code

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Here is the source code for ru.mystamps.web.controller.CollectionController.java

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/*
 * Copyright (C) 2009-2017 Slava Semushin <slava.semushin@gmail.com>
 *
 * 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 2 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */
package ru.mystamps.web.controller;

import java.io.IOException;
import java.util.List;
import java.util.Locale;

import javax.servlet.http.HttpServletResponse;

import org.springframework.context.MessageSource;
import org.springframework.http.HttpStatus;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.servlet.View;
import org.springframework.web.servlet.view.RedirectView;

import lombok.RequiredArgsConstructor;

import ru.mystamps.web.Url;
import ru.mystamps.web.dao.dto.CollectionInfoDto;
import ru.mystamps.web.dao.dto.SeriesInfoDto;
import ru.mystamps.web.service.CategoryService;
import ru.mystamps.web.service.CollectionService;
import ru.mystamps.web.service.CountryService;
import ru.mystamps.web.service.SeriesService;
import ru.mystamps.web.util.LocaleUtils;

@Controller
@RequiredArgsConstructor
public class CollectionController {

    private final CategoryService categoryService;
    private final CollectionService collectionService;
    private final CountryService countryService;
    private final SeriesService seriesService;
    private final MessageSource messageSource;

    @GetMapping(Url.INFO_COLLECTION_PAGE)
    public String showInfoBySlug(@PathVariable("slug") String slug, Model model, Locale userLocale,
            HttpServletResponse response) throws IOException {

        if (slug == null) {
            response.sendError(HttpServletResponse.SC_NOT_FOUND);
            return null;
        }

        CollectionInfoDto collection = collectionService.findBySlug(slug);
        if (collection == null) {
            response.sendError(HttpServletResponse.SC_NOT_FOUND);
            return null;
        }

        String owner = collection.getOwnerName();
        model.addAttribute("ownerName", owner);

        Integer collectionId = collection.getId();
        String lang = LocaleUtils.getLanguageOrNull(userLocale);
        List<SeriesInfoDto> seriesOfCollection = seriesService.findByCollectionId(collectionId, lang);
        model.addAttribute("seriesOfCollection", seriesOfCollection);

        if (seriesOfCollection.iterator().hasNext()) {
            long categoryCounter = categoryService.countCategoriesOf(collectionId);
            long countryCounter = countryService.countCountriesOf(collectionId);
            long seriesCounter = seriesService.countSeriesOf(collectionId);
            long stampsCounter = seriesService.countStampsOf(collectionId);

            List<Object[]> categoriesStat = categoryService.getStatisticsOf(collectionId, lang);
            List<Object[]> countriesStat = getCountriesStatistics(collectionId, lang);

            model.addAttribute("categoryCounter", categoryCounter);
            model.addAttribute("countryCounter", countryCounter);
            model.addAttribute("seriesCounter", seriesCounter);
            model.addAttribute("stampsCounter", stampsCounter);

            model.addAttribute("statOfCollectionByCategories", categoriesStat);
            model.addAttribute("statOfCollectionByCountries", countriesStat);
        }

        return "collection/info";
    }

    @GetMapping(Url.INFO_COLLECTION_BY_ID_PAGE)
    public View showInfoById(@PathVariable("slug") String slug, HttpServletResponse response) throws IOException {

        if (slug == null) {
            response.sendError(HttpServletResponse.SC_NOT_FOUND);
            return null;
        }

        CollectionInfoDto collection = collectionService.findBySlug(slug);
        if (collection == null) {
            response.sendError(HttpServletResponse.SC_NOT_FOUND);
            return null;
        }

        RedirectView view = new RedirectView();
        view.setStatusCode(HttpStatus.MOVED_PERMANENTLY);
        view.setUrl(Url.INFO_COLLECTION_PAGE);

        return view;
    }

    @SuppressWarnings("PMD.AvoidInstantiatingObjectsInLoops")
    private List<Object[]> getCountriesStatistics(Integer collectionId, String lang) {
        List<Object[]> countriesStat = countryService.getStatisticsOf(collectionId, lang);

        for (Object[] countryStat : countriesStat) {
            // manually localize "Unknown" country's name
            Object name = countryStat[0];
            if ("Unknown".equals(name)) {
                countryStat[0] = messageSource.getMessage("t_unspecified", null, new Locale(lang));
            }
        }

        return countriesStat;
    }

}