package com.my.blog.website.utils;
import com.github.pagehelper.PageInfo;
import com.my.blog.website.service.ISiteService;
import com.vdurmont.emoji.EmojiParser;
import com.my.blog.website.constant.WebConst;
import com.my.blog.website.dto.MetaDto;
import com.my.blog.website.dto.Types;
import com.my.blog.website.modal.Vo.CommentVo;
import com.my.blog.website.modal.Vo.ContentVo;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Component;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* 主题公共函数
* <p>
* Created by 13 on 2017/2/21.
*/
@Component
public final class Commons {
private static ISiteService siteService;
public static String THEME = "themes/default";
private static final List EMPTY = new ArrayList(0);
public static void setSiteService(ISiteService ss) {
siteService = ss;
}
/**
* 判断分页中是否有数据
*
* @param paginator
* @return
*/
public static boolean is_empty(PageInfo paginator) {
return paginator == null || (paginator.getList() == null) || (paginator.getList().size() == 0);
}
/**
* 网站链接
*
* @return
*/
public static String site_url() {
return site_url("");
}
/**
* 返回网站链接下的全址
*
* @param sub 后面追加的地址
* @return
*/
public static String site_url(String sub) {
return site_option("site_url") + sub;
}
/**
* 网站标题
*
* @return
*/
public static String site_title() {
return site_option("site_title");
}
/**
* 网站配置项
*
* @param key
* @return
*/
public static String site_option(String key) {
return site_option(key, "");
}
/**
* 网站配置项
*
* @param key
* @param defalutValue 默认值
* @return
*/
public static String site_option(String key, String defalutValue) {
if (StringUtils.isBlank(key)) {
return "";
}
String str = WebConst.initConfig.get(key);
if (StringUtils.isNotBlank(str)) {
return str;
} else {
return defalutValue;
}
}
/**
* 截取字符串
*
* @param str
* @param len
* @return
*/
public static String substr(String str, int len) {
if (str.length() > len) {
return str.substring(0, len);
}
return str;
}
/**
* 返回主题URL
*
* @return
*/
public static String theme_url() {
return site_url(Commons.THEME);
}
/**
* 返回主题下的文件路径
*
* @param sub
* @return
*/
public static String theme_url(String sub) {
return site_url(Commons.THEME + sub);
}
/**
* 返回gravatar头像地址
*
* @param email
* @return
*/
public static String gravatar(String email) {
String avatarUrl = "https://secure.gravatar.com/avatar";
if (StringUtils.isBlank(email)) {
return avatarUrl;
}
String hash = TaleUtils.MD5encode(email.trim().toLowerCase());
return avatarUrl + "/" + hash;
}
/**
* 返回文章链接地址
*
* @param contents
* @return
*/
public static String permalink(ContentVo contents) {
return permalink(contents.getCid(), contents.getSlug());
}
/**
* 获取随机数
*
* @param max
* @param str
* @return
*/
public static String random(int max, String str) {
return UUID.random(1, max) + str;
}
/**
* 返回文章链接地址
*
* @param cid
* @param slug
* @return
*/
public static String permalink(Integer cid, String slug) {
return site_url("/article/" + (StringUtils.isNotBlank(slug) ? slug : cid.toString()));
}
/**
* 格式化unix时间戳为日期
*
* @param unixTime
* @return
*/
public static String fmtdate(Integer unixTime) {
return fmtdate(unixTime, "yyyy-MM-dd");
}
/**
* 格式化unix时间戳为日期
*
* @param unixTime
* @param patten
* @return
*/
public static String fmtdate(Integer unixTime, String patten) {
if (null != unixTime && StringUtils.isNotBlank(patten)) {
return DateKit.formatDateByUnixTime(unixTime, patten);
}
return "";
}
/**
* 显示分类
*
* @param categories
* @return
*/
public static String show_categories(String categories) throws UnsupportedEncodingException {
if (StringUtils.isNotBlank(categories)) {
String[] arr = categories.split(",");
StringBuffer sbuf = new StringBuffer();
for (String c : arr) {
sbuf.append("<a href=\"/category/" + URLEncoder.encode(c, "UTF-8") + "\">" + c + "</a>");
}
return sbuf.toString();
}
return show_categories("默认分类");
}
/**
* 显示标签
*
* @param tags
* @return
*/
public static String show_tags(String tags) throws UnsupportedEncodingException {
if (StringUtils.isNotBlank(tags)) {
String[] arr = tags.split(",");
StringBuffer sbuf = new StringBuffer();
for (String c : arr) {
sbuf.append("<a href=\"/tag/" + URLEncoder.encode(c, "UTF-8") + "\">" + c + "</a>");
}
return sbuf.toString();
}
return "";
}
/**
* 截取文章摘要
*
* @param value 文章内容
* @param len 要截取文字的个数
* @return
*/
public static String intro(String value, int len) {
int pos = value.indexOf("<!--more-->");
if (pos != -1) {
String html = value.substring(0, pos);
return TaleUtils.htmlToText(TaleUtils.mdToHtml(html));
} else {
String text = TaleUtils.htmlToText(TaleUtils.mdToHtml(value));
if (text.length() > len) {
return text.substring(0, len);
}
return text;
}
}
/**
* 显示文章内容，转换markdown为html
*
* @param value
* @return
*/
public static String article(String value) {
if (StringUtils.isNotBlank(value)) {
value = value.replace("<!--more-->", "\r\n");
return TaleUtils.mdToHtml(value);
}
return "";
}
/**
* 显示文章缩略图，顺序为：文章第一张图 -> 随机获取
*
* @return
*/
public static String show_thumb(ContentVo contents) {
int cid = contents.getCid();
int size = cid % 20;
size = size == 0 ? 1 : size;
return "/user/img/rand/" + size + ".jpg";
}
/**
* 最新文章
*
* @param limit
* @return
*/
public static List<ContentVo> recent_articles(int limit) {
if (null == siteService) {
return EMPTY;
}
return siteService.recentContents(limit);
}
/**
* 最新评论
*
* @param limit
* @return
*/
public static List<CommentVo> recent_comments(int limit) {
if (null == siteService) {
return EMPTY;
}
return siteService.recentComments(limit);
}
/**
* 获取分类列表
*
* @return
*/
public static List<MetaDto> categries(int limit) {
return siteService.metas(Types.CATEGORY.getType(), null, limit);
}
/**
* 获取所有分类
*
* @return
*/
public static List<MetaDto> categries() {
return categries(WebConst.MAX_POSTS);
}
/**
* 获取标签列表
*
* @return
*/
public static List<MetaDto> tags(int limit) {
return siteService.metas(Types.TAG.getType(), null, limit);
}
/**
* 获取所有标签
*
* @return
*/
public static List<MetaDto> tags() {
return tags(WebConst.MAX_POSTS);
}
/**
* 获取评论at信息
*
* @param coid
* @return
*/
public static String comment_at(Integer coid) {
CommentVo comments = siteService.getComment(coid);
if (null != comments) {
return "<a href=\"#comment-" + coid + "\">@" + comments.getAuthor() + "</a>";
}
return "";
}
/**
* An :grinning:awesome :smiley:string 😄with a few :wink:emojis!
* <p>
* 这种格式的字符转换为emoji表情
*
* @param value
* @return
*/
public static String emoji(String value) {
return EmojiParser.parseToUnicode(value);
}
/**
* 获取文章第一张图片
*
* @return
*/
public static String show_thumb(String content) {
content = TaleUtils.mdToHtml(content);
if (content.contains("<img")) {
String img = "";
String regEx_img = "<img.*src\\s*=\\s*(.*?)[^>]*?>";
Pattern p_image = Pattern.compile(regEx_img, Pattern.CASE_INSENSITIVE);
Matcher m_image = p_image.matcher(content);
if (m_image.find()) {
img = img + "," + m_image.group();
// //匹配src
Matcher m = Pattern.compile("src\\s*=\\s*\'?\"?(.*?)(\'|\"|>|\\s+)").matcher(img);
if (m.find()) {
return m.group(1);
}
}
}
return "";
}
private static final String[] ICONS = {"bg-ico-book", "bg-ico-game", "bg-ico-note", "bg-ico-chat", "bg-ico-code", "bg-ico-image", "bg-ico-web", "bg-ico-link", "bg-ico-design", "bg-ico-lock"};
/**
* 显示文章图标
*
* @param cid
* @return
*/
public static String show_icon(int cid) {
return ICONS[cid % ICONS.length];
}
/**
* 获取社交的链接地址
*
* @return
*/
public static Map<String, String> social() {
final String prefix = "social_";
Map<String, String> map = new HashMap<>();
map.put("weibo", WebConst.initConfig.get(prefix + "weibo"));
map.put("zhihu", WebConst.initConfig.get(prefix + "zhihu"));
map.put("github", WebConst.initConfig.get(prefix + "github"));
map.put("twitter", WebConst.initConfig.get(prefix + "twitter"));
return map;
}
}