package com.zy.common.web;
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import com.baomidou.mybatisplus.annotations.TableField;
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import com.baomidou.mybatisplus.mapper.EntityWrapper;
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import com.baomidou.mybatisplus.plugins.Page;
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import com.core.common.BaseRes;
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import com.core.common.Cools;
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import com.core.controller.AbstractBaseController;
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import com.core.exception.CoolException;
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import com.zy.asrs.entity.Node;
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import com.zy.asrs.entity.Tag;
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import com.zy.asrs.service.NodeService;
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import com.zy.asrs.service.TagService;
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import com.zy.system.entity.User;
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import com.zy.system.entity.UserLogin;
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import com.zy.system.service.UserLoginService;
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import com.zy.system.service.UserService;
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import io.swagger.annotations.ApiModelProperty;
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import org.springframework.beans.factory.annotation.Autowired;
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import javax.servlet.http.HttpServletRequest;
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import java.lang.reflect.Field;
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import java.lang.reflect.Modifier;
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import java.math.BigDecimal;
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import java.math.BigInteger;
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import java.time.temporal.Temporal;
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import java.util.*;
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/**
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* Created by vincent on 2019-09-09
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*/
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public class BaseController extends AbstractBaseController {
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protected static final String RANGE_TIME_LINK = " - ";
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@Autowired
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protected HttpServletRequest request;
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@Autowired
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private UserService userService;
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@Autowired
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private TagService tagService;
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@Autowired
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private NodeService nodeService;
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@Autowired
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private UserLoginService userLoginService;
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protected Node getOriginNode(){
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Node node = nodeService.getTop();
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if (node == null) {
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throw new CoolException("库区数据错误");
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}
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return node;
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}
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protected Long getHostId(){
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if (getUserId() == 9527) {
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return null;
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}
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User user = getUser();
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if (user.getRoleId() == 1) {
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String hostId = String.valueOf(request.getAttribute("hostId"));
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if (Cools.isEmpty(hostId)) {
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UserLogin userLogin = userLoginService.selectOne(new EntityWrapper<UserLogin>().eq("user_id", user.getId()));
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if (userLogin != null) {
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return userLogin.getHostId();
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}
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}
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return Long.parseLong(hostId);
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} else {
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return user.getHostId();
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}
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}
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protected Long getUserId(){
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return Long.parseLong(String.valueOf(request.getAttribute("userId")));
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}
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protected User getUser(){
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User user = userService.selectById(getUserId());
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if (null == user) {
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throw new CoolException(BaseRes.DENIED);
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}
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return user;
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}
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protected String getComment(Class<?> cls, String fieldName){
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Field[] fields = Cools.getAllFields(cls);
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for (Field field : fields){
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if (fieldName.equals(field.getName())){
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return field.getAnnotation(ApiModelProperty.class).value();
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}
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}
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return "";
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}
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protected Tag getOriginTag(){
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return tagService.getTop();
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}
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protected <T> void hostEq(EntityWrapper<T> wrapper){
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Long hostId = getHostId();
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if (hostId != null) {
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wrapper.eq("host_id", hostId);
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}
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}
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/**
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* 分页组装
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* @param pageNumber
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* @param pageSize
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* @param map
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* @param cls
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* @param <T>
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* @return
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*/
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protected <T> Page<T> toPage(Integer pageNumber, Integer pageSize, Map<String, Object> map, Class<T> cls){
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// 分页索引和单页数量组装
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pageNumber = Optional.ofNullable(pageNumber).orElse(1);
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pageSize = Optional.ofNullable(pageSize).orElse(10);
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Page<T> page = new Page<>(pageNumber, pageSize);
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map.put("pageNumber", pageNumber);
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map.put("pageSize", pageSize);
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// 全字段模糊搜索 todo
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if (!Cools.isEmpty(map.get("condition"))) {
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Set<String> columns = new HashSet<>();
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for (Field field : Cools.getAllFields(cls)){
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if (Modifier.isFinal(field.getModifiers())
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|| Modifier.isStatic(field.getModifiers())
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|| Modifier.isTransient(field.getModifiers())){
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continue;
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}
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String column = null;
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if (field.isAnnotationPresent(TableField.class)) {
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TableField tableField = field.getAnnotation(TableField.class);
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if (!tableField.exist()) {
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continue;
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}
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column = tableField.value();
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}
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if (Cools.isEmpty(column)) {
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column = field.getName();
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}
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if (!map.keySet().contains(column)) {
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columns.add(column);
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}
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}
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columns.forEach(col->map.put(col, map.get("condition")));
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}
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page.setCondition(map);
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return page;
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}
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/**
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* 全字段模糊搜索
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* @param cls 模型类
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* @param set 排除字段集合
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* @param condition 搜索内容
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*/
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protected <T> void allLike(Class<T> cls, Set<String> set, EntityWrapper<T> wrapper, String condition){
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if (Cools.isEmpty(condition)) {
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return;
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}
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String keyword = String.valueOf(condition).trim();
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if (keyword.isEmpty()) {
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return;
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}
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boolean appended = false;
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for (Field field :Cools.getAllFields(cls)){
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if (Modifier.isFinal(field.getModifiers())
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|| Modifier.isStatic(field.getModifiers())
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|| Modifier.isTransient(field.getModifiers())){
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continue;
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}
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String column = null;
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if (field.isAnnotationPresent(TableField.class)) {
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TableField tableField = field.getAnnotation(TableField.class);
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if (!tableField.exist()) {
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continue;
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}
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column = tableField.value();
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}
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if (Cools.isEmpty(column)) {
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column = field.getName();
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}
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if (!set.contains(column)) {
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if (supportsLikeSearch(field.getType())) {
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if (!appended) {
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wrapper.andNew();
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} else {
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wrapper.or();
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}
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wrapper.like(column, keyword);
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appended = true;
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continue;
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}
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Object exactValue = parseExactSearchValue(field.getType(), keyword);
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if (exactValue != null) {
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if (!appended) {
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wrapper.andNew();
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} else {
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wrapper.or();
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}
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wrapper.eq(column, exactValue);
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appended = true;
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}
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}
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}
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}
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private boolean supportsLikeSearch(Class<?> fieldType) {
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return CharSequence.class.isAssignableFrom(fieldType)
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|| fieldType == Character.class
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|| fieldType == char.class
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|| Date.class.isAssignableFrom(fieldType)
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|| Temporal.class.isAssignableFrom(fieldType);
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}
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private Object parseExactSearchValue(Class<?> fieldType, String keyword) {
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if (!isNumericField(fieldType)) {
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return null;
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}
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try {
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BigDecimal numericValue = new BigDecimal(keyword);
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if (fieldType == Integer.class || fieldType == int.class) {
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return numericValue.stripTrailingZeros().scale() <= 0 ? numericValue.intValueExact() : null;
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}
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if (fieldType == Long.class || fieldType == long.class) {
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return numericValue.stripTrailingZeros().scale() <= 0 ? numericValue.longValueExact() : null;
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}
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if (fieldType == Short.class || fieldType == short.class) {
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return numericValue.stripTrailingZeros().scale() <= 0 ? numericValue.shortValueExact() : null;
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}
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if (fieldType == Byte.class || fieldType == byte.class) {
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return numericValue.stripTrailingZeros().scale() <= 0 ? numericValue.byteValueExact() : null;
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}
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if (fieldType == BigInteger.class) {
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return numericValue.stripTrailingZeros().scale() <= 0 ? numericValue.toBigIntegerExact() : null;
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}
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if (fieldType == Float.class || fieldType == float.class) {
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float value = numericValue.floatValue();
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return Float.isFinite(value) ? value : null;
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}
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if (fieldType == Double.class || fieldType == double.class) {
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double value = numericValue.doubleValue();
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return Double.isFinite(value) ? value : null;
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}
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if (fieldType == BigDecimal.class) {
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return numericValue;
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}
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} catch (Exception ignored) {
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return null;
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}
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return null;
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}
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private boolean isNumericField(Class<?> fieldType) {
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return Number.class.isAssignableFrom(fieldType)
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|| fieldType == byte.class
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|| fieldType == short.class
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|| fieldType == int.class
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|| fieldType == long.class
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|| fieldType == float.class
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|| fieldType == double.class;
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}
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}
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