Translate channel referencs to channel names and escape the kudos content for json when sending it to the poster.

Author: ocielliottc

server/src/main/java/com/objectcomputing/checkins/notifications/social_media/SlackSearch.java

@@ -58,6 +58,31 @@ public String findChannelId(String channelName) {
         return null;
     }
 
+    public String findChannelName(String channelId) {
+        String token = configuration.getApplication().getSlack().getBotToken();
+        if (token != null) {
+            try {
+                MethodsClient client = Slack.getInstance().methods(token);
+                ConversationsListResponse response = client.conversationsList(
+                    ConversationsListRequest.builder().build()
+                );
+
+                if (response.isOk()) {
+                    for (Conversation conversation: response.getChannels()) {
+                        if (conversation.getId().equals(channelId)) {
+                            return conversation.getName();
+                        }
+                    }
+                }
+            } catch(IOException e) {
+                LOG.error("SlackSearch.findChannelName: " + e.toString());
+            } catch(SlackApiException e) {
+                LOG.error("SlackSearch.findChannelName: " + e.toString());
+            }
+        }
+        return null;
+    }
+
     public String findUserId(String userEmail) {
         String token = configuration.getApplication().getSlack().getBotToken();
         if (token != null) {

server/src/main/java/com/objectcomputing/checkins/services/slack/kudos/SlackKudosCreator.java

@@ -92,6 +92,7 @@ private MemberProfile lookupUser(String userId) {
     }
 
     private String processText(String text, List<UUID> recipients) {
+        // First, process user references.
         StringBuffer buffer = new StringBuffer(text.length());
         Pattern userRef = Pattern.compile("<@([^>]+)>");
         Matcher action = userRef.matcher(StringEscapeUtils.unescapeHtml4(text));
@@ -107,6 +108,25 @@ private String processText(String text, List<UUID> recipients) {
                                      MemberProfileUtils.getFullName(profile)));
         }
         action.appendTail(buffer);
+        text = buffer.toString();
+
+        // Next, translate channel references to channel names.
+        Pattern channelRef = Pattern.compile("<#([^>]+)\\|>");
+        buffer = new StringBuffer(text.length());
+        action = channelRef.matcher(text);
+        while (action.find()) {
+            // Get the name of the channel.
+            String channelId = action.group(1);
+            String name = slackSearch.findChannelName(channelId);
+            if (name == null) {
+                name = "unknown_channel";
+            }
+            name = "#" + name;
+
+            // Replace the channel reference with the channel name.
+            action.appendReplacement(buffer, Matcher.quoteReplacement(name));
+        }
+        action.appendTail(buffer);
         return buffer.toString();
     }
 
@@ -137,7 +157,7 @@ private String getSlackBlocks(String kudosUUID, String contents) {
         try {
             return String.format(IOUtils.readText(
                        new BufferedReader(kudosSlackBlocks.asReader())),
-                       kudosUUID, contents);
+                       kudosUUID, StringEscapeUtils.escapeJson(contents));
         } catch(Exception ex) {
             LOG.error("SlackKudosCreator.getSlackBlocks: " + ex.toString());
             return "";