From bedcf6d0b626a447d4fec40e3e33b4fe0339ea38 Mon Sep 17 00:00:00 2001
From: Alex Ning <chineseperson5@gmail.com>
Date: Tue, 6 Apr 2021 23:43:32 +0800
Subject: [PATCH] Support inline gif in comments.

---
 .../comment/ParseComment.java                 |  2 +-
 .../infinityforreddit/utils/Utils.java        | 19 +++++++++++++++++++
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/comment/ParseComment.java b/app/src/main/java/ml/docilealligator/infinityforreddit/comment/ParseComment.java
index 0b38c530..d5a41dd1 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/comment/ParseComment.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/comment/ParseComment.java
@@ -140,7 +140,7 @@ public class ParseComment {
         String distinguished = singleCommentData.getString(JSONUtils.DISTINGUISHED_KEY);
         String commentMarkdown = "";
         if (!singleCommentData.isNull(JSONUtils.BODY_KEY)) {
-            commentMarkdown = Utils.modifyMarkdown(singleCommentData.getString(JSONUtils.BODY_KEY).trim());
+            commentMarkdown = Utils.parseInlineGifInComments(Utils.modifyMarkdown(singleCommentData.getString(JSONUtils.BODY_KEY).trim()));
         }
         String commentRawText = Utils.trimTrailingWhitespace(
                 Html.fromHtml(singleCommentData.getString(JSONUtils.BODY_HTML_KEY))).toString();
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/utils/Utils.java b/app/src/main/java/ml/docilealligator/infinityforreddit/utils/Utils.java
index f7a7d247..4cea425b 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/utils/Utils.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/utils/Utils.java
@@ -22,6 +22,8 @@ import androidx.core.text.HtmlCompat;
 import java.text.SimpleDateFormat;
 import java.util.Calendar;
 import java.util.Locale;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 import ml.docilealligator.infinityforreddit.R;
 import ml.docilealligator.infinityforreddit.SortType;
@@ -93,6 +95,23 @@ public class Utils {
         return regexed.toString();
     }
 
+    public static String parseInlineGifInComments(String markdown) {
+        StringBuilder markdownStringBuilder = new StringBuilder(markdown);
+        Pattern inlineGifPattern = Pattern.compile("!\\[gif]\\(giphy\\|\\w+\\)");
+        Matcher matcher = inlineGifPattern.matcher(markdownStringBuilder);
+        while (matcher.find()) {
+            markdownStringBuilder.replace(matcher.start(), matcher.end(), "[gif](https://media3.giphy.com/media/" + markdownStringBuilder.substring(matcher.start() + "![gif](giphy|".length(), matcher.end() - 1) + "/giphy.mp4)");
+        }
+
+        Pattern inlineGifPattern2 = Pattern.compile("!\\[gif]\\(giphy\\|\\w+\\|downsized\\)");
+        Matcher matcher2 = inlineGifPattern2.matcher(markdownStringBuilder);
+        while (matcher2.find()) {
+            markdownStringBuilder.replace(matcher2.start(), matcher2.end(), "[gif](https://media3.giphy.com/media/" + markdownStringBuilder.substring(matcher2.start() + "![gif](giphy|".length(), matcher2.end() - "|downsized\\)".length()) + "/giphy.mp4)");
+        }
+
+        return markdownStringBuilder.toString();
+    }
+
     public static CharSequence trimTrailingWhitespace(CharSequence source) {
 
         if(source == null)