Java Code Examples for com.blade.mvc.http.Request#attribute()

@GetRoute(value = "")
public String index(Request request) {
    // 读取主题
    String         themesDir  = AttachController.CLASSPATH + "templates/themes";
    File[]         themesFile = new File(themesDir).listFiles();
    List<ThemeDto> themes     = new ArrayList<>(themesFile.length);
    for (File f : themesFile) {
        if (f.isDirectory()) {
            ThemeDto themeDto = new ThemeDto(f.getName());
            if (Files.exists(Paths.get(f.getPath() + "/setting.html"))) {
                themeDto.setHasSetting(true);
            }
            themes.add(themeDto);
            try {
                Blade.me().addStatics("/templates/themes/" + f.getName() + "/screenshot.png");
            } catch (Exception e) {
            }
        }
    }
    request.attribute("current_theme", Commons.site_theme());
    request.attribute("themes", themes);
    return "admin/themes";
}
 

/**
 * 自定义页面
 */
@CsrfToken(newToken = true)
@GetRoute(value = {"/:cid", "/:cid.html"})
public String page(@PathParam String cid, Request request) {
    Optional<Contents> contentsOptional = contentsService.getContents(cid);
    if (!contentsOptional.isPresent()) {
        return this.render_404();
    }
    Contents contents = contentsOptional.get();
    if (contents.getAllowComment()) {
        int cp = request.queryInt("cp", 1);
        request.attribute("cp", cp);
    }
    request.attribute("article", contents);
    Contents temp = new Contents();
    temp.setHits(contents.getHits() + 1);
    temp.update(contents.getCid());
    if (Types.ARTICLE.equals(contents.getType())) {
        return this.render("post");
    }
    if (Types.PAGE.equals(contents.getType())) {
        return this.render("page");
    }
    return this.render_404();
}
 

/**
 * 标签下文章分页
 */
@GetRoute(value = {"tag/:name/:page", "tag/:name/:page.html"})
public String tags(Request request, @PathParam String name, @PathParam int page, @Param(defaultValue = "12") int limit) {
    page = page < 0 || page > TaleConst.MAX_PAGE ? 1 : page;
    Metas metaDto = metasService.getMeta(Types.TAG, name);
    if (null == metaDto) {
        return this.render_404();
    }

    Page<Contents> contentsPage = contentsService.getArticles(metaDto.getMid(), page, limit);
    request.attribute("articles", contentsPage);
    request.attribute("meta", metaDto);
    request.attribute("type", "标签");
    request.attribute("keyword", name);
    request.attribute("is_tag", true);
    request.attribute("page_prefix", "/tag/" + name);

    return this.render("page-category");
}
 

private boolean isRedirect(Request request, Response response) {
    Users  user = TaleUtils.getLoginUser();
    String uri  = request.uri();
    if (null == user) {
        Integer uid = TaleUtils.getCookieUid(request);
        if (null != uid) {
            user = new Users().find(uid);
            request.session().attribute(TaleConst.LOGIN_SESSION_KEY, user);
        }
    }
    if (uri.startsWith(TaleConst.ADMIN_URI) && !uri.startsWith(TaleConst.LOGIN_URI)) {
        if (null == user) {
            response.redirect(TaleConst.LOGIN_URI);
            return false;
        }
        request.attribute(TaleConst.PLUGINS_MENU_NAME, TaleConst.PLUGIN_MENUS);
    }
    return true;
}
 

/**
 * 仪表盘
 */
@Route(value = {"/", "index"}, method = HttpMethod.GET)
public String index(Request request) {
    List<Comments> comments   = siteService.recentComments(5);
    List<Contents> contents   = siteService.getContens(Types.RECENT_ARTICLE, 5);
    Statistics     statistics = siteService.getStatistics();
    // 取最新的20条日志
    Page<Logs> logsPage = new Logs().page(1, 20, "id desc");
    List<Logs> logs     = logsPage.getRows();

    request.attribute("comments", comments);
    request.attribute("articles", contents);
    request.attribute("statistics", statistics);
    request.attribute("logs", logs);
    return "admin/index";
}
 

protected void render500(Request request, Response response) {
    var blade   = WebContext.blade();
    var page500 = Optional.ofNullable(blade.environment().get(ENV_KEY_PAGE_500, null));

    if (page500.isPresent()) {
        this.renderPage(response, new ModelAndView(page500.get()));
    } else {
        if (blade.devMode()) {
            var htmlCreator = new HtmlCreator();
            htmlCreator.center("<h1>" + request.attribute("title") + "</h1>");
            htmlCreator.startP("message-header");
            htmlCreator.add("Request URI: " + request.uri());
            htmlCreator.startP("message-header");
            htmlCreator.add("Error Message: " + request.attribute("message"));
            htmlCreator.endP();
            if (null != request.attribute(VARIABLE_STACKTRACE)) {
                htmlCreator.startP("message-body");
                htmlCreator.add(request.attribute(VARIABLE_STACKTRACE).toString().replace("\n", "<br/>"));
                htmlCreator.endP();
            }
            response.html(htmlCreator.html());
        } else {
            response.html(INTERNAL_SERVER_ERROR_HTML);
        }
    }
}
 

/**
 * 文章发布页面
 *
 * @param request
 * @return
 */
@GetRoute(value = "publish")
public String newArticle(Request request) {
    List<Metas> categories = metasService.getMetas(Types.CATEGORY);
    request.attribute("categories", categories);
    request.attribute(Types.ATTACH_URL, Commons.site_option(Types.ATTACH_URL, Commons.site_url()));
    return "admin/article_edit";
}
 

@GetRoute(value = {"search/:keyword/:page", "search/:keyword/:page.html"})
public String search(Request request, @PathParam String keyword, @PathParam int page, @Param(defaultValue = "12") int limit) {

    page = page < 0 || page > TaleConst.MAX_PAGE ? 1 : page;

    Page<Contents> articles = new Contents().where("type", Types.ARTICLE).and("status", Types.PUBLISH)
            .like("title", "%" + keyword + "%").page(page, limit, "created desc");

    request.attribute("articles", articles);

    request.attribute("type", "搜索");
    request.attribute("keyword", keyword);
    request.attribute("page_prefix", "/search/" + keyword);
    return this.render("page-category");
}
 

/**
 * 首页分页
 *
 * @param request
 * @param page
 * @param limit
 * @return
 */
@GetRoute(value = {"page/:page", "page/:page.html"})
public String index(Request request, @PathParam int page, @Param(defaultValue = "12") int limit) {
    page = page < 0 || page > TaleConst.MAX_PAGE ? 1 : page;
    if (page > 1) {
        this.title(request, "第" + page + "页");
    }
    request.attribute("page_num", page);
    request.attribute("limit", limit);
    request.attribute("is_home", true);
    request.attribute("page_prefix", "/page");
    return this.render("index");
}
 

/**
 * 文章编辑页面
 *
 * @param cid
 * @param request
 * @return
 */
@GetRoute(value = "/:cid")
public String editArticle(@PathParam String cid, Request request) {
    Optional<Contents> contents = contentsService.getContents(cid);
    if (!contents.isPresent()) {
        return render_404();
    }
    request.attribute("contents", contents.get());
    List<Metas> categories = metasService.getMetas(Types.CATEGORY);
    request.attribute("categories", categories);
    request.attribute("active", "article");
    request.attribute(Types.ATTACH_URL, Commons.site_option(Types.ATTACH_URL, Commons.site_url()));
    return "admin/article_edit";
}
 

/**
 * 安装页
 *
 * @return
 */
@Route(value = "/", method = HttpMethod.GET)
public String index(Request request) {
    boolean existInstall = Files.exists(Paths.get(AttachController.CLASSPATH + "install.lock"));
    int allow_reinstall = TaleConst.OPTIONS.getInt("allow_install", 0);

    if (allow_reinstall == 1) {
        request.attribute("is_install", false);
    } else {
        request.attribute("is_install", existInstall);
    }
    return "install";
}
 

@GetRoute(value = "")
public String index(@Param(defaultValue = "1") int page,
                    @Param(defaultValue = "15") int limit, Request request) {
    Users users = this.user();

    Page<Comments> commentPage = new Comments().where("author_id", "<>", users.getUid()).page(page, limit);
    request.attribute("comments", commentPage);
    return "admin/comment_list";
}
 

@Route(value = "", method = HttpMethod.GET)
public String index(Request request) {
    List<Metas>   categories = siteService.getMetas(Types.RECENT_META, Types.CATEGORY, TaleConst.MAX_POSTS);
    List<Metas> tags       = siteService.getMetas(Types.RECENT_META, Types.TAG, TaleConst.MAX_POSTS);
    request.attribute("categories", categories);
    request.attribute("tags", tags);
    return "admin/category";
}
 

@Route(value = "", method = HttpMethod.GET)
public String index(Request request) {
    String themePath = Const.CLASSPATH + File.separatorChar + "templates" + File.separatorChar + "themes" + File.separatorChar + Commons.site_theme();
    try {
        List<String> files = Files.list(Paths.get(themePath))
                .map(path -> path.getFileName().toString())
                .filter(path -> path.endsWith(".html"))
                .collect(Collectors.toList());

        List<String> partial = Files.list(Paths.get(themePath + File.separatorChar + "partial"))
                .map(path -> path.getFileName().toString())
                .filter(path -> path.endsWith(".html"))
                .map(fileName -> "partial/" + fileName)
                .collect(Collectors.toList());

        List<String> statics = Files.list(Paths.get(themePath + File.separatorChar + "static"))
                .map(path -> path.getFileName().toString())
                .filter(path -> path.endsWith(".js") || path.endsWith(".css"))
                .map(fileName -> "static/" + fileName)
                .collect(Collectors.toList());

        files.addAll(partial);
        files.addAll(statics);

        request.attribute("tpls", files);
    } catch (IOException e) {
        log.error("找不到模板路径");
    }
    return "admin/tpl_list";
}
 

protected void handleException(Exception e, Request request, Response response) {
    log.error("", e);
    if (null == response) {
        return;
    }
    response.status(500);
    request.attribute("title", "500 Internal Server Error");
    request.attribute("message", e.getMessage());
    request.attribute("stackTrace", getStackTrace(e));
    this.render500(request, response);
}
 

@Route(value = "/:cid", method = HttpMethod.GET)
public String editPage(@PathParam String cid, Request request) {
    Optional<Contents> contents = contentsService.getContents(cid);
    if (!contents.isPresent()) {
        return render_404();
    }
    request.attribute("contents", contents.get());
    request.attribute(Types.ATTACH_URL, Commons.site_option(Types.ATTACH_URL, Commons.site_url()));
    return "admin/page_edit";
}
 

@Route(value = "", method = HttpMethod.GET)
public String index(Request request) {
    Page<Contents> contentsPage = new Contents().where("type", Types.PAGE).page(1, TaleConst.MAX_POSTS, "created desc");
    request.attribute("articles", contentsPage);
    return "admin/page_list";
}
 

protected void handleBladeException(BladeException e, Request request, Response response) {
    var blade = WebContext.blade();
    response.status(e.getStatus());

    var modelAndView = new ModelAndView();
    modelAndView.add("title", e.getStatus() + " " + e.getName());
    modelAndView.add("message", e.getMessage());

    if (null != e.getCause()) {
        request.attribute(VARIABLE_STACKTRACE, getStackTrace(e));
    }

    if (e.getStatus() == InternalErrorException.STATUS) {
        log.error("", e);
        this.render500(request, response);
    }

    String paddingMethod = BladeCache.getPaddingMethod(request.method());

    if (e.getStatus() == NotFoundException.STATUS) {
        log404(log, paddingMethod, request.uri());

        if (request.isJsonRequest()) {
            response.json(RestResponse.fail(NotFoundException.STATUS, "Not Found [" + request.uri() + "]"));
        } else {
            var page404 = Optional.ofNullable(blade.environment().get(ENV_KEY_PAGE_404, null));
            if (page404.isPresent()) {
                modelAndView.setView(page404.get());
                renderPage(response, modelAndView);
                response.render(page404.get());
            } else {
                HtmlCreator htmlCreator = new HtmlCreator();
                htmlCreator.center("<h1>404 Not Found - " + request.uri() + "</h1>");
                htmlCreator.hr();
                response.html(htmlCreator.html());
            }
        }
    }

    if (e.getStatus() == MethodNotAllowedException.STATUS) {

        log405(log, paddingMethod, request.uri());

        if (request.isJsonRequest()) {
            response.json(RestResponse.fail(MethodNotAllowedException.STATUS, e.getMessage()));
        } else {
            response.text(e.getMessage());
        }
    }
}
 

@GetRoute("/template-output-test")
public void templateOutputTest(Request request, Response response) {
    request.attribute("name", "Blade");
    response.render("template-output-test.html");
}
 

@Route(value = "new", method = HttpMethod.GET)
public String newPage(Request request) {
    request.attribute(Types.ATTACH_URL, Commons.site_option(Types.ATTACH_URL, Commons.site_url()));
    return "admin/page_edit";
}