From 3e4807157e3c244820dd4d5149997970530e4fcb Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Wed, 23 Aug 2017 00:47:37 +0300
Subject: www: Twitter Cards

---
 .../java/com/juick/www/controllers/UserThread.java  | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

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

diff --git a/juick-www/src/main/java/com/juick/www/controllers/UserThread.java b/juick-www/src/main/java/com/juick/www/controllers/UserThread.java
index f15861f4..400f231a 100644
--- a/juick-www/src/main/java/com/juick/www/controllers/UserThread.java
+++ b/juick-www/src/main/java/com/juick/www/controllers/UserThread.java
@@ -16,11 +16,15 @@
  */
 package com.juick.www.controllers;
 
+import com.juick.formatters.PlainTextFormatter;
 import com.juick.server.util.HttpForbiddenException;
 import com.juick.server.util.HttpNotFoundException;
 import com.juick.server.util.UserUtils;
+import com.juick.service.CrosspostService;
 import com.juick.service.MessagesService;
 import com.juick.service.UserService;
+import org.apache.commons.lang3.StringUtils;
+import org.apache.commons.text.StringEscapeUtils;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Controller;
@@ -46,6 +50,8 @@ public class UserThread {
     private MessagesService messagesService;
     @Inject
     private UserService userService;
+    @Inject
+    private CrosspostService crosspostService;
 
     @GetMapping("/{uname}/{mid}")
     protected String threadAction(ModelMap model,
@@ -94,12 +100,25 @@ public class UserThread {
         model.addAttribute("title", title);
         model.addAttribute("visitor", visitor);
         String headers = "<link rel=\"alternate\" type=\"application/rss+xml\" title=\"@" + msg.getUser().getName() + "\" href=\"//rss.juick.com/" + msg.getUser().getName() + "/blog\"/>";
+        String pageUrl = "//juick.com/" + msg.getUser().getName() + "/" + msg.getMid();
         if (paramView != null) {
-            headers += "<link rel=\"canonical\" href=\"http://juick.com/" + msg.getUser().getName() + "/" + msg.getMid() + "\"/>";
+            headers += "<link rel=\"canonical\" href=\"" + pageUrl + "\"/>";
         }
         if (msg.Hidden) {
             headers += "<meta name=\"robots\" content=\"noindex\"/>";
         }
+        String cardType = StringUtils.isNotEmpty(msg.getAttachmentType()) ? "summary_large_image" : "summary";
+        String msgImage = StringUtils.isNotEmpty(msg.getAttachmentType()) ? msg.getAttachmentURL() : "//i.juick.com/a/" + msg.getUser().getUid() + ".png";
+        headers += "<meta name=\"twitter:card\" content=\"" + cardType + "\" />\n" +
+                "<meta name=\"twitter:site\" content=\"@juick\" />\n" +
+                "<meta property=\"og:url\" content=\"" + pageUrl + "\" />\n" +
+                "<meta property=\"og:title\" content=\"" + msg.getUser().getName() + " at Juick\" />\n" +
+                "<meta property=\"og:description\" content=\"" + StringEscapeUtils.escapeHtml4(PlainTextFormatter.formatTwitterCard(msg)) + "\" />\n" +
+                "<meta property=\"og:image\" content=\"" + msgImage + "\" />";
+        String twitterName = crosspostService.getTwitterName(msg.getUser().getUid());
+        if (StringUtils.isNotEmpty(twitterName)) {
+            headers += "<meta name=\"twitter:creator\" content=\"@" + twitterName + "\" />\n";
+        }
         model.addAttribute("headers", headers);
         model.addAttribute("contentStyle", "margin-left: 0; width: 100%");
         model.addAttribute("isModerator", visitor.getUid() == 3694);
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