Extract sape code into ControllerAdvice

1 files changed, 95 insertions, 0 deletions

diff --git a/src/main/java/com/juick/www/controllers/Help.java b/src/main/java/com/juick/www/controllers/Help.java
new file mode 100644
index 00000000..d2796def
--- /dev/null
+++ b/src/main/java/com/juick/www/controllers/Help.java
@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2008-2019, Juick
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.juick.www.controllers;
+
+import com.juick.model.User;
+import com.juick.server.util.HttpNotFoundException;
+import com.juick.www.HelpService;
+import com.juick.www.WebApp;
+import com.juick.service.MessagesService;
+import com.juick.service.security.annotation.Visitor;
+import org.commonmark.parser.Parser;
+import org.commonmark.renderer.html.HtmlRenderer;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+
+import javax.inject.Inject;
+import java.util.Locale;
+import java.util.Objects;
+
+/**
+ * Created by aalexeev on 11/21/16.
+ */
+@Controller
+public class Help {
+    @Inject
+    private HelpService helpService;
+    @Inject
+    private MessagesService messagesService;
+    @Inject
+    private Parser cmParser;
+    @Inject
+    private HtmlRenderer helpRenderer;
+    @Inject
+    private WebApp webApp;
+
+    @GetMapping({"/help/", "/help", "/help/{langOrPage}", "/help/{lang}/{page}"})
+    public String showHelp(
+            @Visitor User visitor,
+            Locale locale,
+            @PathVariable(required = false, name = "lang") String lang,
+            @PathVariable(required = false, name = "page") String page,
+            @PathVariable(required = false, name = "langOrPage") String langOrPage,
+            Model model) {
+        visitor.setAvatar(webApp.getAvatarWebPath(visitor));
+        String navigation = null;
+
+        if (langOrPage != null) {
+            if (helpService.canBeLang(langOrPage)) {
+                navigation = helpService.getHelp("navigation", langOrPage);
+                if (navigation != null)
+                    lang = langOrPage;
+            }
+
+            if (navigation == null && helpService.canBePage(langOrPage))
+                page = langOrPage;
+        }
+
+        if (lang == null) {
+            lang = locale.getLanguage();
+        }
+
+        String content = helpService.getHelp(page, lang);
+        if (content == null && !Objects.equals("tos", page))
+            content = helpService.getHelp("tos", lang);
+
+        if (navigation == null)
+            navigation = helpService.getHelp("navigation", lang);
+
+        if (content == null || navigation == null)
+            throw new HttpNotFoundException();
+
+        model.addAttribute("navigation", helpRenderer.render(cmParser.parse(navigation)));
+        model.addAttribute("content", helpRenderer.render(cmParser.parse(content)));
+        model.addAttribute("visitor", visitor);
+
+        return "views/help";
+    }
+}