From 2f682b5e3cfc3fc5f961b60129be7bc90e0d6a03 Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Wed, 28 Dec 2016 22:38:21 +0300
Subject: juick-www: now on spring-webmvc

---
 .../java/com/juick/www/controllers/Discover.java   | 138 +++++++++++++++++++++
 1 file changed, 138 insertions(+)
 create mode 100644 juick-www/src/main/java/com/juick/www/controllers/Discover.java

(limited to 'juick-www/src/main/java/com/juick/www/controllers/Discover.java')

diff --git a/juick-www/src/main/java/com/juick/www/controllers/Discover.java b/juick-www/src/main/java/com/juick/www/controllers/Discover.java
new file mode 100644
index 00000000..e5d17501
--- /dev/null
+++ b/juick-www/src/main/java/com/juick/www/controllers/Discover.java
@@ -0,0 +1,138 @@
+/*
+ * Juick
+ * Copyright (C) 2008-2011, Ugnich Anton
+ *
+ * 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.service.AdsService;
+import com.juick.service.MessagesService;
+import com.juick.service.TagService;
+import com.juick.www.Utils;
+import com.juick.www.WebApp;
+import org.apache.commons.lang3.CharEncoding;
+import org.apache.commons.lang3.StringEscapeUtils;
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+
+import javax.inject.Inject;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.net.URLDecoder;
+import java.net.URLEncoder;
+import java.util.List;
+
+/**
+ *
+ * @author Ugnich Anton
+ */
+@Controller
+public class Discover {
+    @Inject
+    WebApp webApp;
+    @Inject
+    MessagesService messagesService;
+    @Inject
+    TagService tagService;
+    @Inject
+    AdsService adsService;
+    @Inject
+    PageTemplates templates;
+
+    @RequestMapping(value = "/tag/{tagName}", method = RequestMethod.GET)
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
+        com.juick.User visitor = webApp.getVisitorUser(request, response);
+
+        String paramTagStr = URLDecoder.decode(request.getRequestURI().substring(5), CharEncoding.UTF_8);
+        com.juick.Tag paramTag = tagService.getTag(paramTagStr, false);
+        if (paramTag == null) {
+            response.sendError(HttpServletResponse.SC_NOT_FOUND);
+            return;
+        } else if (paramTag.SynonymID > 0 && paramTag.TID != paramTag.SynonymID) {
+            com.juick.Tag synTag = tagService.getTag(paramTag.SynonymID);
+            String url = "/tag/" + URLEncoder.encode(synTag.getName(), CharEncoding.UTF_8);
+            if (request.getQueryString() != null) {
+                url += "?" + request.getQueryString();
+            }
+            Utils.sendPermanentRedirect(response, url);
+            return;
+        } else if (!paramTag.getName().equals(paramTagStr)) {
+            String url = "/tag/" + URLEncoder.encode(paramTag.getName(), CharEncoding.UTF_8);
+            if (request.getQueryString() != null) {
+                url += "?" + request.getQueryString();
+            }
+            Utils.sendPermanentRedirect(response, url);
+            return;
+        }
+
+        int paramBefore = 0;
+        String paramBeforeStr = request.getParameter("before");
+        if (paramBeforeStr != null) {
+            try {
+                paramBefore = Integer.parseInt(paramBeforeStr);
+            } catch (NumberFormatException e) {
+            }
+        }
+
+        int visitor_uid = visitor.getUid();
+
+        String title = "*" + StringEscapeUtils.escapeHtml4(paramTag.getName());
+        List<Integer> mids = messagesService.getTag(paramTag.TID, visitor_uid, paramBefore, (visitor_uid == 0) ? 40 : 20);
+
+        response.setContentType("text/html; charset=UTF-8");
+        try (PrintWriter out = response.getWriter()) {
+            String head = StringUtils.EMPTY;
+            if (tagService.getTagNoIndex(paramTag.TID)) {
+                head = "<meta name=\"robots\" content=\"noindex,nofollow\"/>";
+            } else if (paramBefore > 0 || mids.size() < 5) {
+                head = "<meta name=\"robots\" content=\"noindex\"/>";
+            }
+            templates.pageHead(out, visitor, title, head);
+            templates.pageNavigation(out, visitor, null);
+
+            out.println("<section id=\"content\">");
+
+            if (mids.size() > 0) {
+                int vuid = visitor.getUid();
+                int ad_mid = adsService.getAdMid(vuid);
+                if (ad_mid > 0 && mids.indexOf(ad_mid) == -1) {
+                    mids.add(0, ad_mid);
+                    adsService.logAdMid(vuid, ad_mid);
+                } else {
+                    ad_mid = 0;
+                }
+
+                templates.printMessages(out, null, mids, visitor, visitor_uid == 0 ? 2 : 3, ad_mid);
+            }
+
+            if (mids.size() >= 20) {
+                String nextpage = "/tag/" + URLEncoder.encode(paramTag.getName(), CharEncoding.UTF_8) + "?before=" + mids.get(mids.size() - 1);
+                out.println("<p class=\"page\"><a href=\"" + nextpage + "\" rel=\"prev\">Читать дальше →</a></p>");
+            }
+
+            out.println("</section>");
+			
+			templates.pageHomeColumn(out, visitor);
+
+            templates.pageFooter(request, out, visitor, true);
+
+            templates.pageEnd(out);
+        }
+    }
+}
-- 
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