From fc4e2fc70219ea0f7ca2e0c0ed7afa3b47ac249d Mon Sep 17 00:00:00 2001
From: Bob Mottram <bob@freedombone.net>
Date: Fri, 26 Feb 2021 23:00:06 +0000
Subject: [PATCH] Support quotes in markdown

---
 daemon.py       |  2 +-
 tests.py        |  5 +++++
 webapp_utils.py | 26 ++++++++++++++++++++++++++
 3 files changed, 32 insertions(+), 1 deletion(-)

diff --git a/daemon.py b/daemon.py
index f131949a5..cb1c75e2d 100644
--- a/daemon.py
+++ b/daemon.py
@@ -5797,7 +5797,7 @@ class PubServer(BaseHTTPRequestHandler):
         # if there is no theme-specific help image then use the default one
         if not os.path.isfile(mediaFilename):
             mediaFilename = \
-                baseDir + '/theme/default/helpimages/' + iconFilename        
+                baseDir + '/theme/default/helpimages/' + iconFilename
         if self._etag_exists(mediaFilename):
             # The file has not changed
             self._304()
diff --git a/tests.py b/tests.py
index 9fee74c7d..db321f23c 100644
--- a/tests.py
+++ b/tests.py
@@ -3288,6 +3288,11 @@ def testMarkdownToHtml():
     markdown = 'This is just plain text'
     assert markdownToHtml(markdown) == markdown
 
+    markdown = 'This is a quotation:\n' + \
+        '> Some quote or other'
+    assert markdownToHtml(markdown) == 'This is a quotation:<br>' + \
+        '<blockquote><i>Some quote or other</i></blockquote>'
+
     markdown = 'This is **bold**'
     assert markdownToHtml(markdown) == 'This is <b>bold</b>'
 
diff --git a/webapp_utils.py b/webapp_utils.py
index b8519bb90..29c965100 100644
--- a/webapp_utils.py
+++ b/webapp_utils.py
@@ -66,8 +66,33 @@ def _markdownEmphasisHtml(markdown: str) -> str:
     return markdown
 
 
+def _markdownReplaceQuotes(markdown: str) -> str:
+    """Replaces > quotes with html blockquote
+    """
+    if '> ' not in markdown:
+        return markdown
+    lines = markdown.split('\n')
+    result = ''
+    for line in lines:
+        if '> ' not in line:
+            result += line + '\n'
+            continue
+        lineStr = line.strip()
+        if not lineStr.startswith('> '):
+            result += line + '\n'
+            continue
+        lineStr = lineStr.replace('> ', '', 1).strip()
+        result += '<blockquote><i>' + lineStr + '</i></blockquote>\n'
+
+    if result.endswith('\n') and \
+       not markdown.endswith('\n'):
+        result = result[:len(result) -1]
+    return result
+
+
 def _markdownReplaceLinks(markdown: str, images=False) -> str:
     """Replaces markdown links with html
+    Optionally replace image links
     """
     replaceLinks = {}
     text = markdown
@@ -106,6 +131,7 @@ def _markdownReplaceLinks(markdown: str, images=False) -> str:
 def markdownToHtml(markdown: str) -> str:
     """Converts markdown formatted text to html
     """
+    markdown = _markdownReplaceQuotes(markdown)
     markdown = _markdownEmphasisHtml(markdown)
     markdown = _markdownReplaceLinks(markdown, True)
     markdown = _markdownReplaceLinks(markdown)