server/teachcloud-common/src/main/java/com/qmth/teachcloud/common/contant/SystemConstant.java

package com.qmth.teachcloud.common.contant;

import com.qmth.boot.core.uid.service.UidService;
import com.qmth.teachcloud.common.enums.ExceptionResultEnum;

import java.io.File;
import java.nio.charset.Charset;
import java.util.*;
import java.util.stream.Collectors;

/**
 * @Description: 系统常量
 * @Param:
 * @return:
 * @Author: wangliang
 * @Date: 2019/10/11
 */
public class SystemConstant {

    /**
     * 系统常量
     */
    public static final String CHARSET_NAME = "UTF-8";
    public static final Charset CHARSET = Charset.forName(CHARSET_NAME);
    public static final String MD5 = "MD5";
    public static final String SUCCESS = "success";
    public static final String EXTEND_COLUMN = "extendColumn";
    public static final String USER_DIR = "user.dir";
    public static final String PDF_TEMP = "pdf-temp";
    public static final String FILE_TEMP = "file-temp";
    public static final String DOWNLOAD_TEMP = "download-temp";
    public static final String SESSION = "session:";
    public static final String TASK = "task";
    public static final String USER = "account";
    public static final String SCHOOL_ID = "schoolId";
    public static final String SCHOOL = "school";
    public static final String ORG = "org";
    public static final String ERROR = "/error";
    public static final String METHOD = "post";
    public static final String DEFAULT_PASSWORD = "MTIzNDU2";
    public static final String DEFAULT_MOBILE_NUMBER = "11111111111";
    public static final String UPDATE_TIME = "updateTime";
    public static final String PATH = "path";
    public static final String PDF_PATH = "pdfPath";
    public static final String HTML_PATH = "htmlPath";
    public static final String TYPE = "type";
    public static final String LOCAL = "local";
    public static final String OSS = "oss";
    public static final String LOGO = "logo";
    public static final String UPLOAD_TYPE = "uploadType";
    public static final String HTTP = "http://";
    public static final String ID = "id";
    public static final String FILE = "file";
    public static final String SIZE = "size";
    public static final String HTML_PREFIX = ".html";
    public static final String PDF_PREFIX = ".pdf";
    public static final String FTL_PREFIX = ".ftl";
    public static final String ZIP_PREFIX = ".zip";
    public static final String DEFAULT_DATE_PATTERN = "yyyy-MM-dd HH:mm:ss";
    public static final int PAGE_NUMBER = 0;
    public static final int PAGE_SIZE = 10000000;
    public static final int ALL_CARD = -1;
    public static final String MANUAL = "manual";
    public static final String DELIMITER = ":";
    public static final int FINAL_SCALE = 1;
    public static final int CALCULATE_SCALE = 4;
    public static final int OPER_SCALE = 8;
    public static final String HYPHEN = "-";
    public static final String DEFAULT_SIGN = "#";
    public static final String COMMA_OF_ENGLISH = ",";
    public static final String COMMA_OF_CHINESE = "，";
    public static final String PAUSE_SIGN = "、";
    public static final String PARENT_ORG = "武汉大学教务处";
    public static final String SCHOOL_CODE = "ggjckcjfx";
//    public static final int MAX_RETRY_CREATE_PDF_COUNT = 5;

    /**
     * oss url过期时间
     */
    public static final int OSS_URL_EXPIRE = 5 * 60 * 1000;//过期时间5分钟

    /**
     * 缓存配置
     */
    public static final String USER_OAUTH_CACHE = "user:oauth:cache";
    public static final String USER_ACCOUNT_CACHE = "user:account:cache";
    public static final String SCHOOL_CACHE = "school:cache";
    public static final String SCHOOL_CODE_CACHE = "school:code:cache";
    public static final String ORG_CACHE = "org:cache";
    public static final String PRIVILEGE_URL_CACHE = "privilege:url:cache";
    public static final String ROLE_PRIVILEGE_CACHE = "role:privilege:cache";
    public static final String USER_ROLE_PRIVILEGE_CACHE = "user:role:privilege:cache";

    /**
     * 报表缓存
     */
    public static final String EXAM_STUDENT_REPORT = "report:cache:examStudent";
    public static final String COLLEGE_DEAN_REPORT = "report:cache:collegeDean";
    public static final String COLLEGE_COURSE_REPORT = "report:cache:collegeCourse";
    public static final String SURVEY_TEACHER_VIEW_REPORT = "report:cache:surveyTeacherView";
    public static final String TEACHER_VIEW_REPORT = "report:cache:teacherView";
    public static final String TEACHER_ANSWER_VIEW_REPORT = "report:cache:teacherAnswerView";

    /**
     * 鉴权
     */
    public static final String HEADER_AUTHORIZATION = "Authorization";
    public static final String HEADER_TIME = "time";
    public static final String HEADER_PLATFORM = "platform";
    public static final String HEADER_DEVICE_ID = "deviceId";
    public static final String TOKEN = "token";

    /**
     * redis
     */
    public static final int DEFAULT_SESSION_EXPIRE = 1;//过期时间1天
    public static final long REDIS_DEFAULT_EXPIRE_TIME = 24 * 60L * 60L;//过期时间24小时
    public static final long REDIS_CREATE_PDF_EXPIRE_TIME = 1 * 60L * 60L;//过期时间1小时
    public static final long REDIS_WHU_USER_AUTH_EXPIRE_TIME = 2 * 60L;//过期时间2分钟

    /**
     * redis mq
     */
    public static final String REDIS_LOCK_GRADE_COURSE_DELETE_PREFIX = "redis:lock:courseInfo:";


    /**
     * redis lock
     */
    public static final int MAX_RETRY_COUNT = 30;
    public static final long REDIS_CACHE_TIME_OUT = 60L;
    public static final long REDIS_LOCK_BATCH_NO_TIME_OUT = 60L * 30;

    /**
     * aes相关
     */
    public static final String AES = "AES";
    public static final String AES_MODE_PKCS5 = "AES/CBC/PKCS5Padding";//用这个模式，规则必须为16位
    public static final String AES_MODE_PKCS7 = "AES/CBC/PKCS7Padding";//用这个模式，规则必须为16位
    public static final String AES_RULE = "1234567890123456";//aes密钥


    /**
     * 变量
     */
    public static String TEMP_FILES_DIR;
    public static String PDF_TEMP_FILES_DIR;

    /**
     * excel相关
     */
    public static String XLSX = "xlsx";
    public static String XLS = "xls";

    /**
     * 线程池配置
     */
    public static final String THREAD_POOL_NAME = "taskThreadPool";
    //    public static final int THREAD_POOL_CORE_POOL_SIZE = 5;
//    public static final int THREAD_POOL_MAX_POOL_SIZE = 100;
    public static final int THREAD_POOL_KEEP_ALIVE_SECONDS = 10;
    public static final int THREAD_POOL_QUEUE_CAPACITY = 500;

    /**
     * 初始化附件文件路径
     */
    public static void initTempFiles() {
        StringJoiner localPath = new StringJoiner("").add(System.getProperty(USER_DIR));
        String mkdir = localPath.toString().substring(0, localPath.toString().lastIndexOf(File.separator));
        File fileTempDir = new File(new StringBuffer(mkdir).append(File.separator).append(FILE_TEMP).toString());
        if (!fileTempDir.exists()) {
            fileTempDir.mkdirs();
        }
        File pdfTempDir = new File(new StringBuffer(mkdir).append(File.separator).append(PDF_TEMP).toString());
        if (!pdfTempDir.exists()) {
            pdfTempDir.mkdirs();
        }
        TEMP_FILES_DIR = fileTempDir.getPath();
        PDF_TEMP_FILES_DIR = pdfTempDir.getPath();
    }

    /**
     * id转换为long
     *
     * @return
     */
    public static Long convertIdToLong(String id) {
        return Objects.nonNull(id) && id.length() > 0 ? Long.parseLong(id) : null;
    }

    /**
     * 获取全局uuid
     *
     * @return
     */
    public static String getUuid() {
        return String.valueOf(UUID.randomUUID()).replaceAll("-", "");
    }

    /**
     * 获取数据库uuid
     *
     * @return
     */
    public static Long getDbUuid() {
        UidService uidservice = SpringContextHolder.getBean(UidService.class);
        return uidservice.getId();
    }

    /**
     * enable转换
     *
     * @return
     */
    public static Boolean convertEnable(Boolean enable) {
        return Objects.nonNull(enable) ? enable : true;
    }

    /**
     * 试卷类型转换
     *
     * @param paperType
     * @return
     */
    public static String convertPaperType(String paperType) {
        paperType = paperType.toLowerCase();
        int ascii = (int) paperType.charAt(0);
        return String.valueOf(ascii + 704);
    }

    /**
     * 模糊查询时调用以去除符号"%","_"特殊字符对查询结果的影响
     *
     * @param param 要校验的参数
     * @return 转译后的参数
     */
    public static String translateSpecificSign(String param) {
        if (param == null) {
            return null;
        }
        if (param.contains("%")) {
            param = param.replaceAll("%", "\\\\%");
        }
        if (param.contains("_")) {
            param = param.replaceAll("_", "\\\\_");
        }
        return param;
    }

    public static void verifyLength(String str, int length, String name) {
        if (str == null || str.length() == 0 || str.equals("null")) {
            throw ExceptionResultEnum.ERROR.exception(name + "不能为空");
        }
        if (str.length() > length) {
            throw ExceptionResultEnum.ERROR.exception("[" + name + ":" + str + "]' 超过长度限制 : " + length);
        }
    }

    /**
     * String 类型的参数不为空
     *
     * @param str 参数
     * @return true ：不为空、false ：为空
     */
    public static boolean strNotNull(String str) {
        return str != null && str.length() > 0 && !str.equals("null");
    }

    /**
     * Long 类型的参数不为空
     *
     * @param x 参数
     * @return true：不为空、false：为空
     */
    public static boolean longNotNull(Long x) {
        return x != null && x > 0;
    }

    /**
     * 跨步数组（将list集合按照数量拆分成多个集合）
     *
     * @param datasource 数据源（初始大数据集合）
     * @param step       跨步（多少个元素一个集合）
     * @param <T>        泛型
     * @return 拆分好地集合的集合
     */
    public static <T> List<List<T>> getStepList(List<T> datasource, int step) {
        List<List<T>> result = new ArrayList<>();
        int size = datasource.size();
        for (int i = 0; i < size; i = i + step) {
            List<T> cell = datasource.stream().skip(i).limit(step).collect(Collectors.toList());
            result.add(cell);
        }
        return result;
    }

    /**
     * 跨步数组（将list集合按照cpu核心数量拆分成多个集合）
     *
     * @param datasource 数据源
     * @param <T>        泛型
     * @return 拆分好地集合的集合
     */
    public static <T> List<List<T>> getStepList(List<T> datasource) {
        int cpuNum = Runtime.getRuntime().availableProcessors();
        int step = datasource.size() / cpuNum + 1;
        List<List<T>> result = new ArrayList<>();
        int size = datasource.size();
        for (int i = 0; i < size; i = i + step) {
            List<T> cell = datasource.stream().skip(i).limit(step).collect(Collectors.toList());
            result.add(cell);
        }
        return result;
    }
}