FruitPromotionService.java

package org.xmx0632.deliciousfruit.service;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Map;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Sort;
import org.springframework.data.domain.Sort.Direction;
import org.springframework.data.jpa.domain.Specification;
import org.springframework.stereotype.Component;
import org.springframework.transaction.annotation.Transactional;
import org.springside.modules.persistence.DynamicSpecifications;
import org.springside.modules.persistence.SearchFilter;
import org.xmx0632.deliciousfruit.api.v1.bo.PromotionRuleResponse;
import org.xmx0632.deliciousfruit.api.v1.bo.PromotionRuleResponse.PromotionProductBo;
import org.xmx0632.deliciousfruit.api.v1.bo.TerminalType;
import org.xmx0632.deliciousfruit.api.v1.helper.DateHelper;
import org.xmx0632.deliciousfruit.api.v1.helper.PictureUrlHelper;
import org.xmx0632.deliciousfruit.entity.FruitProduct;
import org.xmx0632.deliciousfruit.entity.FruitPromotion;
import org.xmx0632.deliciousfruit.entity.FruitPromotion.PromotionType;
import org.xmx0632.deliciousfruit.global.ConfigConstant;
import org.xmx0632.deliciousfruit.repository.FruitPromotionDao;

//Spring Bean的标识.
@Component
@Transactional(readOnly = true)
public class FruitPromotionService {

	private static Logger log = LoggerFactory
			.getLogger(FruitPromotionService.class);

	private FruitPromotionDao fruitPromotionDao;

	@Autowired
	private ConfigService configService;

	public FruitPromotion getFruitPromotion(Long id) {
		return fruitPromotionDao.findOne(id);
	}

	public List<FruitPromotion> getAllFruitPromotion() {
		return (List<FruitPromotion>) fruitPromotionDao.findAll();
	}

	@Transactional(readOnly = false)
	public void saveFruitPromotion(FruitPromotion entity) {
		fruitPromotionDao.save(entity);
	}

	@Transactional(readOnly = false)
	public void deleteFruitPromotion(Long id) {
		fruitPromotionDao.delete(id);
	}

	public Page<FruitPromotion> getFruitPromotions(
			Map<String, Object> filterParams, int pageNumber, int pageSize,
			String sortType) {
		PageRequest pageRequest = buildPageRequest(pageNumber, pageSize,
				sortType);
		Specification<FruitPromotion> spec = buildSpecification(filterParams);

		return fruitPromotionDao.findAll(spec, pageRequest);
	}

	/**
	 * 创建分页请求.
	 */
	private PageRequest buildPageRequest(int pageNumber, int pagzSize,
			String sortType) {
		Sort sort = null;
		if ("auto".equals(sortType)) {
			sort = new Sort(Direction.DESC, "id");
		}
		/*
		 * else if ("title".equals(sortType)) { sort = new Sort(Direction.ASC,
		 * "title"); }
		 */

		return new PageRequest(pageNumber - 1, pagzSize, sort);
	}

	private Specification<FruitPromotion> buildSpecification(
			Map<String, Object> filterParams) {
		Map<String, SearchFilter> filters = SearchFilter.parse(filterParams);
		// filters.put("user.id", new SearchFilter("user.id", Operator.EQ,
		// userId));
		Specification<FruitPromotion> spec = DynamicSpecifications
				.bySearchFilter(filters.values(), FruitPromotion.class);
		return spec;
	}

	// -----------------//
	// Setter methods //
	// -----------------//

	@Autowired(required = true)
	public void setFruitPromotionDao(FruitPromotionDao fruitPromotionDao) {
		this.fruitPromotionDao = fruitPromotionDao;
	}

	/**
	 * 全场满立减
	 * 
	 * @param type
	 * @return
	 */
	public List<PromotionRuleResponse.PromotionTotalBo> getAvailableTotalPriceOff(
			TerminalType type) {
		List<FruitPromotion> rules = getAvailablePromotionBy(PromotionType.TOTAL_DEDUCT);
		List<PromotionRuleResponse.PromotionTotalBo> ruleBos = new ArrayList<PromotionRuleResponse.PromotionTotalBo>();
		if (rules != null) {
			for (FruitPromotion rule : rules) {
				PromotionRuleResponse.PromotionTotalBo ruleBo = new PromotionRuleResponse.PromotionTotalBo();

				ruleBo.setPromotionId(String.valueOf(rule.getId()));
				ruleBo.setContent("全场满" + rule.getTotalPriceoff() + "元立减"
						+ rule.getPriceoff() + "元");
				ruleBo.setPicUrl(PictureUrlHelper.genPictureUrl(type,
						ConfigConstant.FRUIT_PROMOTION_DIR, rule.getPicUrl(),
						configService));
				ruleBo.setStartTime(DateHelper.getDateString(rule
						.getStartTime()));
				ruleBo.setEndTime(DateHelper.getDateString(rule.getEndTime()));

				ruleBos.add(ruleBo);

			}
		}
		return ruleBos;

	}

	/**
	 * 全场满就送
	 * 
	 * @param type
	 * @return
	 */
	public List<PromotionRuleResponse.PromotionTotalBo> getAvailableTotalGift(
			TerminalType type) {

		List<FruitPromotion> rules = getAvailablePromotionBy(PromotionType.TOTAL_GIFT);
		List<PromotionRuleResponse.PromotionTotalBo> ruleBos = new ArrayList<PromotionRuleResponse.PromotionTotalBo>();
		if (rules != null) {
			for (FruitPromotion rule : rules) {
				PromotionRuleResponse.PromotionTotalBo ruleBo = new PromotionRuleResponse.PromotionTotalBo();
				if (rule.getFruitSubPromotion() != null) {
					ruleBo.setPromotionId(String.valueOf(rule.getId()));
					ruleBo.setContent("全场满"
							+ rule.getTotalGift()
							+ "元送"
							+ rule.getFruitSubPromotion()
									.getPromotionProductName()
							+ rule.getFruitSubPromotion().getQuantity()
							+ rule.getFruitSubPromotion().getUnit());
					ruleBo.setPicUrl(PictureUrlHelper.genPictureUrl(type,
							ConfigConstant.FRUIT_PROMOTION_DIR,
							rule.getPicUrl(), configService));
					ruleBo.setStartTime(DateHelper.getDateString(rule
							.getStartTime()));
					ruleBo.setEndTime(DateHelper.getDateString(rule
							.getEndTime()));
					ruleBos.add(ruleBo);
				}

			}
		}
		return ruleBos;

	}

	/**
	 * 某一产品的所有促销规则
	 * 
	 * @param type
	 * @return
	 */
	public String getProductGiftInfoByProduct(TerminalType type,
			FruitProduct product) {

		log.debug("FruitProduct:{}", product);

		List<FruitPromotion> rules = getAvailablePromotionBy(PromotionType.PRODUCT_GIFT);
		String content = "";

		if (product == null)
			return "";

		if (rules != null) {
			for (FruitPromotion rule : rules) {
				log.debug("rule.getFruitSubPromotion().getProduct():{}", rule
						.getFruitSubPromotion().getProduct());
				if (rule.getFruitSubPromotion() != null
						&& product.getProductId() != null
						&& product
								.getProductId()
								.trim()
								.equals(rule.getFruitSubPromotion()
										.getProduct().getProductId().trim())) {

					content += "买"
							+ +rule.getFruitSubPromotion()
									.getPromotionThreshold()
							+ rule.getFruitSubPromotion().getProduct()
									.getUnit()
							+ "送"
							+ rule.getFruitSubPromotion()
									.getPromotionProductName()
							+ rule.getFruitSubPromotion().getQuantity()
							+ rule.getFruitSubPromotion().getUnit() + ",";

				}

			}
		}

		if (content.endsWith(",")) {
			content = content.substring(0, content.length() - 1);
		}

		return content;

	}

	/**
	 * 单品赠送
	 * 
	 * @param type
	 * @return
	 */
	public List<PromotionRuleResponse.PromotionProductBo> getAvailableProductGift(
			TerminalType type) {

		List<FruitPromotion> rules = getAvailablePromotionBy(PromotionType.PRODUCT_GIFT);
		List<PromotionRuleResponse.PromotionProductBo> ruleBos = new ArrayList<PromotionRuleResponse.PromotionProductBo>();
		if (rules != null) {
			for (FruitPromotion rule : rules) {
				PromotionRuleResponse.PromotionProductBo ruleBo = new PromotionRuleResponse.PromotionProductBo();
				if (rule.getFruitSubPromotion() != null) {
					ruleBo.setPromotionId(String.valueOf(rule.getId()));
					String productId = String
							.valueOf(rule.getFruitSubPromotion().getProduct()
									.getProductId());
					ruleBo.setProductId(productId);
					ruleBo.setContent("买"
							+ rule.getFruitSubPromotion().getProduct()
									.getProductName()
							+ rule.getFruitSubPromotion()
									.getPromotionThreshold()
							+ rule.getFruitSubPromotion().getProduct()
									.getSpec()
							+ "送"
							+ rule.getFruitSubPromotion()
									.getPromotionProductName()
							+ rule.getFruitSubPromotion().getQuantity()
							+ rule.getFruitSubPromotion().getUnit());
					ruleBo.setPicUrl(PictureUrlHelper.genPictureUrl(type,
							ConfigConstant.FRUIT_PROMOTION_DIR,
							rule.getPicUrl(), configService));
					ruleBo.setStartTime(DateHelper.getDateString(rule
							.getStartTime()));
					ruleBo.setEndTime(DateHelper.getDateString(rule
							.getEndTime()));
					// TODO 临时测试修改:如果productId为9打头的就是水果故事，其他就是水果肖像
					String productType = getProductType(productId);
					ruleBo.setProductType(productType);
					ruleBo.setE6Price(rule.getFruitSubPromotion().getProduct()
							.getE6Price());
					ruleBo.setProductName(rule.getFruitSubPromotion()
							.getProduct().getProductName());
					ruleBo.setUnit(rule.getFruitSubPromotion().getProduct()
							.getUnit());
					ruleBos.add(ruleBo);

				}

			}
		}
		return ruleBos;

	}

	private String getProductType(String productId) {
		if (productId.startsWith("9")) {
			return PromotionProductBo.ProductType.FRUIT_STORY.getValue();
		}
		return PromotionProductBo.ProductType.PRODUCT.getValue();
	}

	public List<FruitPromotion> getAvailablePromotionBy(PromotionType type) {
		return fruitPromotionDao.getAvailablePromotionBy(new Date(),
				type.getValue());
	}

	public List<FruitPromotion> getAvailablePromotionBy(Date currentDate,
			PromotionType type, Long productId) {
		return fruitPromotionDao.getAvailablePromotionBy(currentDate,
				type.getValue(), productId);
	}

	public List<FruitPromotion> getAvailablePromotionBy(Date currentDate,
			PromotionType type) {
		return fruitPromotionDao.getAvailablePromotionBy(currentDate,
				type.getValue());
	}
}