package com.tale.extension;
import com.blade.jdbc.page.Page;
import com.blade.kit.JsonKit;
import com.blade.kit.StringKit;
import com.blade.kit.json.Ason;
import com.blade.mvc.WebContext;
import com.blade.mvc.http.Request;
import com.tale.init.TaleConst;
import com.tale.model.dto.Comment;
import com.tale.model.dto.Types;
import com.tale.model.entity.Comments;
import com.tale.model.entity.Contents;
import com.tale.model.entity.Metas;
import com.tale.service.SiteService;
import com.tale.utils.TaleUtils;
import jetbrick.template.runtime.InterpretContext;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.*;
/**
* 主题函数
* <p>
* Created by biezhi on 2017/2/28.
*/
public final class Theme {
private static SiteService siteService;
public static final List EMPTY = new ArrayList(0);
public static void setSiteService(SiteService ss) {
siteService = ss;
}
/**
* 获取header keywords
*
* @return
*/
public static String meta_keywords() {
InterpretContext ctx = InterpretContext.current();
Object value = ctx.getValueStack().getValue("keywords");
if (null != value) {
return value.toString();
}
return Commons.site_option("site_keywords");
}
/**
* 获取header description
*
* @return
*/
public static String meta_description() {
InterpretContext ctx = InterpretContext.current();
Object value = ctx.getValueStack().getValue("description");
if (null != value) {
return value.toString();
}
return Commons.site_option("site_description");
}
/**
* header title
*
* @return
*/
public static String head_title() {
InterpretContext ctx = InterpretContext.current();
Object value = ctx.getValueStack().getValue("title");
String p = "";
if (null != value) {
p = value.toString() + " - ";
}
return p + Commons.site_option("site_title", "Blog 博客");
}
/**
* 返回文章链接地址
*
* @return
*/
public static String permalink() {
Contents contents = current_article();
return null != contents ? permalink(contents) : "";
}
/**
* 返回文章链接地址
*
* @param contents
* @return
*/
public static String permalink(Contents contents) {
return permalink(contents.getCid(), contents.getSlug());
}
/**
* 返回文章链接地址
*
* @param cid
* @param slug
* @return
*/
public static String permalink(Integer cid, String slug) {
return Commons.site_url("/article/" + (StringKit.isNotBlank(slug) ? slug : cid.toString()));
}
/**
* 显示文章创建日期
*
* @param fmt
* @return
*/
public static String created(String fmt) {
Contents contents = current_article();
if (null != contents) {
return Commons.fmtdate(contents.getCreated(), fmt);
}
return "";
}
/**
* 获取文章最后修改时间
*
* @param fmt
* @return
*/
public static String modified(String fmt) {
Contents contents = current_article();
if (null != contents) {
return Commons.fmtdate(contents.getModified(), fmt);
}
return "";
}
/**
* 返回文章浏览数
*
* @return
*/
public static Integer hits() {
Contents contents = current_article();
return null != contents ? contents.getHits() : 0;
}
/**
* 显示分类
*
* @return
*/
public static String show_categories() throws UnsupportedEncodingException {
Contents contents = current_article();
if (null != contents) {
return show_categories(contents.getCategories());
}
return "";
}
/**
* 当前文章的分类列表
*
* @return
* @since b1.3.0
*/
public static List<String> category_list() {
Contents contents = current_article();
if (null != contents && StringKit.isNotBlank(contents.getCategories())) {
return Arrays.asList(contents.getCategories().split(","));
}
return Collections.emptyList();
}
/**
* 当前文章的标签列表
*
* @return
* @since b1.3.0
*/
public static List<String> tag_list() {
Contents contents = current_article();
if (null != contents && StringKit.isNotBlank(contents.getTags())) {
return Arrays.asList(contents.getTags().split(","));
}
return Collections.emptyList();
}
/**
* 显示分类
*
* @param categories
* @return
*/
public static String show_categories(String categories) throws UnsupportedEncodingException {
if (StringKit.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");
}
/**
* 显示标签
*
* @param split 每个标签之间的分隔符
* @return
*/
public static String show_tags(String split) throws UnsupportedEncodingException {
Contents contents = current_article();
if (StringKit.isNotBlank(contents.getTags())) {
String[] arr = contents.getTags().split(",");
StringBuffer sbuf = new StringBuffer();
for (String c : arr) {
sbuf.append(split).append("<a href=\"/tag/" + URLEncoder.encode(c, "UTF-8") + "\">" + c + "</a>");
}
return split.length() > 0 ? sbuf.substring(split.length() - 1) : sbuf.toString();
}
return "";
}
/**
* 显示文章浏览量
*
* @return
*/
public static String views() {
Contents contents = current_article();
return null != contents ? contents.getHits().toString() : "0";
}
/**
* 显示标签
*
* @return
*/
public static String show_tags() throws UnsupportedEncodingException {
return show_tags("");
}
/**
* 显示文章内容，格式化markdown后的
*
* @return
*/
public static String show_content() {
Contents contents = current_article();
return null != contents ? article(contents.getContent()) : "";
}
/**
* 获取文章摘要
*
* @param len
* @return
*/
public static String excerpt(int len) {
return intro(len);
}
/**
* 获取文章摘要
*
* @param len
* @return
*/
public static String intro(int len) {
Contents contents = current_article();
if (null != contents) {
return intro(contents.getContent(), len);
}
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 (StringKit.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(Contents contents) {
if (null == contents) {
return "";
}
if (StringKit.isNotBlank(contents.getThumbImg())) {
return contents.getThumbImg();
}
String content = article(contents.getContent());
String img = Commons.show_thumb(content);
if (StringKit.isNotBlank(img)) {
return img;
}
int cid = contents.getCid();
int size = cid % 20;
size = size == 0 ? 1 : size;
return "/templates/themes/default/static/img/rand/" + size + ".jpg";
}
/**
* 获取当前文章的下一篇
*
* @return
*/
public static Contents article_next() {
Contents cur = current_article();
return null != cur ? siteService.getNhContent(Types.NEXT, cur.getCreated()) : null;
}
/**
* 获取当前文章的上一篇
*
* @return
*/
public static Contents article_prev() {
Contents cur = current_article();
return null != cur ? siteService.getNhContent(Types.PREV, cur.getCreated()) : null;
}
/**
* 当前文章的下一篇文章链接
*
* @return
*/
public static String theNext() {
Contents contents = article_next();
if (null != contents) {
return theNext(title(contents));
}
return "";
}
/**
* 当前文章的下一篇文章链接
*
* @param title 文章标题
* @return
*/
public static String theNext(String title) {
Contents contents = article_next();
if (null != contents) {
return "<a href=\"" + permalink(contents) + "\" title=\"" + title(contents) + "\">" + title + "</a>";
}
return "";
}
/**
* 当前文章的下一篇文章链接
*
* @return
*/
public static String thePrev() {
Contents contents = article_prev();
if (null != contents) {
return thePrev(title(contents));
}
return "";
}
/**
* 当前文章的下一篇文章链接
*
* @param title 文章标题
* @return
*/
public static String thePrev(String title) {
Contents contents = article_prev();
if (null != contents) {
return "<a href=\"" + permalink(contents) + "\" title=\"" + title(contents) + "\">" + title + "</a>";
}
return "";
}
/**
* 最新文章
*
* @param limit
* @return
*/
public static List<Contents> recent_articles(int limit) {
if (null == siteService) {
return EMPTY;
}
return siteService.getContens(Types.RECENT_ARTICLE, limit);
}
/**
* 随机获取文章
*
* @param limit
* @return
*/
public static List<Contents> rand_articles(int limit) {
if (null == siteService) {
return EMPTY;
}
return siteService.getContens(Types.RANDOM_ARTICLE, limit);
}
/**
* 最新评论
*
* @param limit
* @return
*/
public static List<Comments> recent_comments(int limit) {
if (null == siteService) {
return EMPTY;
}
return siteService.recentComments(limit);
}
/**
* 获取分类列表
*
* @return
*/
public static List<Metas> categories(int limit) {
if (null == siteService) {
return EMPTY;
}
return siteService.getMetas(Types.RECENT_META, Types.CATEGORY, limit);
}
/**
* 随机获取limit个分类
*
* @param limit
* @return
*/
public static List<Metas> rand_categories(int limit) {
if (null == siteService) {
return EMPTY;
}
return siteService.getMetas(Types.RANDOM_META, Types.CATEGORY, limit);
}
/**
* 获取所有分类
*
* @return
*/
public static List<Metas> categories() {
return categories(TaleConst.MAX_POSTS);
}
/**
* 获取标签列表
*
* @return
*/
public static List<Metas> tags(int limit) {
if (null == siteService) {
return EMPTY;
}
return siteService.getMetas(Types.RECENT_META, Types.TAG, limit);
}
/**
* 随机获取limit个标签
*
* @param limit
* @return
*/
public static List<Metas> rand_tags(int limit) {
if (null == siteService) {
return EMPTY;
}
return siteService.getMetas(Types.RANDOM_META, Types.TAG, limit);
}
/**
* 获取所有标签
*
* @return
*/
public static List<Metas> tags() {
return tags(TaleConst.MAX_POSTS);
}
/**
* 获取评论at信息
*
* @param coid
* @return
*/
public static String comment_at(Integer coid) {
if (null == siteService) {
return "";
}
Comments comments = siteService.getComment(coid);
if (null != comments) {
return "<a href=\"#comment-" + coid + "\">@" + comments.getAuthor() + "</a>";
}
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
*
* @return
*/
public static String show_icon() {
Contents contents = current_article();
if (null != contents) {
return show_icon(contents.getCid());
}
return show_icon(1);
}
/**
* 显示文章图标
*
* @param cid
* @return
*/
public static String show_icon(int cid) {
return ICONS[cid % ICONS.length];
}
/**
* 显示文章标题
*
* @return
*/
public static String title() {
return title(current_article());
}
/**
* 返回文章标题
*
* @param contents
* @return
*/
public static String title(Contents contents) {
return null != contents ? contents.getTitle() : Commons.site_title();
}
/**
* 返回社交账号链接
*
* @param type
* @return
*/
public static String social_link(String type) {
String id = Commons.site_option("social_" + type);
switch (type) {
case "github":
return "https://github.com/" + id;
case "weibo":
return "http://weibo.com/" + id;
case "twitter":
return "https://twitter.com/" + id;
case "zhihu":
return "https://www.zhihu.com/people/" + id;
default:
return null;
}
}
/**
* 获取当前文章/页面的评论
*
* @param limit
* @return
*/
public static Page<Comment> comments(int limit) {
Contents contents = current_article();
if (null == contents) {
return new Page<>();
}
InterpretContext ctx = InterpretContext.current();
Object value = ctx.getValueStack().getValue("cp");
int page = 1;
if (null != value) {
page = (int) value;
}
return siteService.getComments(contents.getCid(), page, limit);
}
/**
* 分页
*
* @param limit
* @return
*/
public static Page<Contents> articles(int limit) {
Request request = WebContext.request();
Integer page = request.attribute("page_num");
page = null == page ? request.queryInt("page", 1) : page;
page = page < 0 || page > TaleConst.MAX_PAGE ? 1 : page;
Page<Contents> articles = new Contents().where("type", Types.ARTICLE).and("status", Types.PUBLISH).page(page, limit, "created desc");
request.attribute("articles", articles);
if (page > 1) {
WebContext.request().attribute("title", "第" + page + "页");
}
request.attribute("is_home", true);
request.attribute("page_prefix", "/page");
return articles;
}
/**
* 获取当前上下文的文章对象
*
* @return
*/
private static Contents current_article() {
InterpretContext ctx = InterpretContext.current();
Object value = ctx.getValueStack().getValue("article");
if (null != value) {
return (Contents) value;
}
return null;
}
/**
* 显示评论
*
* @param noComment 评论为0的时候显示的文本
* @param value 评论组装文本
* @return
*/
public static String comments_num(String noComment, String value) {
Contents contents = current_article();
if (null == contents) {
return noComment;
}
return contents.getCommentsNum() > 0 ? String.format(value, contents.getCommentsNum()) : noComment;
}
/**
* 返回主题设置选项
*
* @param key
* @return
*/
public static String theme_option(String key, String defaultValue) {
String option = theme_option(key);
if (StringKit.isBlank(option)) {
return defaultValue;
}
return option;
}
/**
* 返回主题设置选项
*
* @param key
* @return
*/
public static String theme_option(String key) {
String theme = Commons.site_theme();
return TaleConst.OPTIONS.get("theme_" + theme + "_options")
.filter(StringKit::isNotBlank)
.map((String json) -> {
Ason ason = JsonKit.toAson(json);
if (!ason.containsKey(key)) {
return "";
}
return ason.getString(key);
})
.orElse("");
}
/**
* 返回是否是某个页面
*
* @param pageName
* @return
*/
public static boolean is_slug(String pageName) {
Contents contents = current_article();
if (null != contents && Types.PAGE.equals(contents.getType()) && contents.getSlug().equals(pageName)) {
return true;
}
return false;
}
}
