ru.mystamps.web.dao.impl.JdbcCategoryDao.java Source code

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Here is the source code for ru.mystamps.web.dao.impl.JdbcCategoryDao.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.dao.impl;

import java.util.Collections;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.commons.lang3.Validate;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.dao.EmptyResultDataAccessException;
import org.springframework.jdbc.core.namedparam.MapSqlParameterSource;
import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate;
import org.springframework.jdbc.support.GeneratedKeyHolder;
import org.springframework.jdbc.support.KeyHolder;

import lombok.RequiredArgsConstructor;

import ru.mystamps.web.dao.CategoryDao;
import ru.mystamps.web.dao.dto.AddCategoryDbDto;
import ru.mystamps.web.dao.dto.CategoryDto;
import ru.mystamps.web.dao.dto.LinkEntityDto;

@RequiredArgsConstructor
@SuppressWarnings({ "PMD.AvoidDuplicateLiterals", "PMD.TooManyMethods" })
public class JdbcCategoryDao implements CategoryDao {

    private final NamedParameterJdbcTemplate jdbcTemplate;

    @Value("${category.create}")
    private String addCategorySql;

    @Value("${category.count_all_categories}")
    private String countAllSql;

    @Value("${category.count_categories_by_slug}")
    private String countBySlugSql;

    @Value("${category.count_categories_by_name}")
    private String countByNameSql;

    @Value("${category.count_categories_by_name_ru}")
    private String countByNameRuSql;

    @Value("${category.count_categories_of_collection}")
    private String countCategoriesOfCollectionSql;

    @Value("${category.count_categories_added_since}")
    private String countCategoriesAddedSinceSql;

    @Value("${category.count_untranslated_names_since}")
    private String countUntranslatedNamesSinceSql;

    @Value("${category.count_stamps_by_categories}")
    private String countStampsByCategoriesSql;

    @Value("${category.find_all_categories_names_with_slug}")
    private String findCategoriesNamesWithSlugSql;

    @Value("${category.find_category_link_info_by_slug}")
    private String findLinkEntityBySlugSql;

    @SuppressWarnings("PMD.LongVariable")
    @Value("${category.find_categories_with_parent_names}")
    private String findCategoriesWithParentNamesSql;

    @Override
    public Integer add(AddCategoryDbDto category) {
        Map<String, Object> params = new HashMap<>();
        params.put("name", category.getName());
        params.put("name_ru", category.getNameRu());
        params.put("slug", category.getSlug());
        params.put("created_at", category.getCreatedAt());
        params.put("created_by", category.getCreatedBy());
        params.put("updated_at", category.getUpdatedAt());
        params.put("updated_by", category.getUpdatedBy());

        KeyHolder holder = new GeneratedKeyHolder();

        int affected = jdbcTemplate.update(addCategorySql, new MapSqlParameterSource(params), holder);

        Validate.validState(affected == 1, "Unexpected number of affected rows after creation of category: %d",
                affected);

        return Integer.valueOf(holder.getKey().intValue());
    }

    @Override
    public long countAll() {
        return jdbcTemplate.queryForObject(countAllSql, Collections.<String, Object>emptyMap(), Long.class);
    }

    @Override
    public long countBySlug(String slug) {
        return jdbcTemplate.queryForObject(countBySlugSql, Collections.singletonMap("slug", slug), Long.class);
    }

    @Override
    public long countByName(String name) {
        return jdbcTemplate.queryForObject(countByNameSql, Collections.singletonMap("name", name), Long.class);
    }

    @Override
    public long countByNameRu(String name) {
        return jdbcTemplate.queryForObject(countByNameRuSql, Collections.singletonMap("name", name), Long.class);
    }

    @Override
    public long countCategoriesOfCollection(Integer collectionId) {
        return jdbcTemplate.queryForObject(countCategoriesOfCollectionSql,
                Collections.singletonMap("collection_id", collectionId), Long.class);
    }

    @Override
    public long countAddedSince(Date date) {
        return jdbcTemplate.queryForObject(countCategoriesAddedSinceSql, Collections.singletonMap("date", date),
                Long.class);
    }

    @Override
    public long countUntranslatedNamesSince(Date date) {
        return jdbcTemplate.queryForObject(countUntranslatedNamesSinceSql, Collections.singletonMap("date", date),
                Long.class);
    }

    @Override
    public List<Object[]> getStatisticsOf(Integer collectionId, String lang) {
        Map<String, Object> params = new HashMap<>();
        params.put("collection_id", collectionId);
        params.put("lang", lang);

        return jdbcTemplate.query(countStampsByCategoriesSql, params, RowMappers::forNameAndCounter);
    }

    @Override
    public List<LinkEntityDto> findAllAsLinkEntities(String lang) {
        return jdbcTemplate.query(findCategoriesNamesWithSlugSql, Collections.singletonMap("lang", lang),
                RowMappers::forLinkEntityDto);
    }

    @Override
    public LinkEntityDto findOneAsLinkEntity(String slug, String lang) {
        Map<String, Object> params = new HashMap<>();
        params.put("slug", slug);
        params.put("lang", lang);

        try {
            return jdbcTemplate.queryForObject(findLinkEntityBySlugSql, params, RowMappers::forLinkEntityDto);
        } catch (EmptyResultDataAccessException ignored) {
            return null;
        }
    }

    @Override
    public List<CategoryDto> findCategoriesWithParents(String lang) {
        return jdbcTemplate.query(findCategoriesWithParentNamesSql, Collections.singletonMap("lang", lang),
                RowMappers::forCategoryDto);
    }

}