From 1b008e4b4d11def9b13dc0a800b0d068624d43ae Mon Sep 17 00:00:00 2001
From: Jules Laplace <julescarbon@gmail.com>
Date: Wed, 27 Feb 2019 23:48:35 +0100
Subject: half of a footnote implementation

---
 megapixels/app/site/parser.py | 35 +++++++++++++++++++++++++++++------
 1 file changed, 29 insertions(+), 6 deletions(-)

(limited to 'megapixels/app/site')

diff --git a/megapixels/app/site/parser.py b/megapixels/app/site/parser.py
index 98d9f284..ef83b655 100644
--- a/megapixels/app/site/parser.py
+++ b/megapixels/app/site/parser.py
@@ -18,6 +18,7 @@ def parse_markdown(metadata, sections, s3_path, skip_h1=False):
   current_group = []
   footnotes = []
   in_stats = False
+  in_footnotes = False
   ignoring = False
 
   if 'desc' in metadata and 'subdesc' in metadata:
@@ -33,6 +34,7 @@ def parse_markdown(metadata, sections, s3_path, skip_h1=False):
       continue
     elif section.strip().startswith('### Footnotes'):
       groups.append(format_section(current_group, s3_path))
+      current_group = []
       footnotes = []
       in_footnotes = True
     elif in_footnotes:
@@ -82,10 +84,18 @@ def parse_markdown(metadata, sections, s3_path, skip_h1=False):
       current_group.append(section)
   groups.append(format_section(current_group, s3_path))
 
+  footnote_txt = ''
+  footnote_lookup = {}
+
   if len(footnotes):
-    groups.append(format_footnotes(footnotes, s3_path))
+    footnote_txt, footnote_lookup = format_footnotes(footnotes, s3_path)
 
   content = "".join(groups)
+
+  if footnote_lookup:
+    for key, index in footnote_lookup.items():
+      content = content.replace(key, '<a href="#{}" class="footnote" title="Footnote {}">{}</a>'.format(key, index, index))
+    content += footnote_txt
   return content
 
 
@@ -153,8 +163,10 @@ def format_section(lines, s3_path, type='', tag='section'):
       return "<{}>{}</{}>".format(tag, markdown(lines), tag)
   return ""
 
-
 def fix_meta(lines):
+  """
+  Format metadata sections before passing to markdown
+  """
   new_lines = []
   for line in lines:
     if line.startswith('+ '):
@@ -162,7 +174,6 @@ def fix_meta(lines):
     new_lines.append(line)
   return new_lines
 
-
 def format_metadata(section):
   """
   format a metadata section (+ key: value pairs)
@@ -173,12 +184,24 @@ def format_metadata(section):
     meta.append("<div><div class='gray'>{}</div><div>{}</div></div>".format(key, value))
   return "<div class='meta'>{}</div>".format(''.join(meta)) 
 
-def format_footnotes(footnotes):
+def format_footnotes(footnotes, s3_path):
+  """
+  Format the footnotes section separately and produce a lookup we can use to update the main site
+  """
   footnotes = '\n'.join(footnotes).split('\n')
+  index = 1
+  footnote_index_lookup = {}
+  footnote_list = []
   for footnote in footnotes:
     if not len(footnote) or '[^' not in footnote:
       continue
-    key, footnote = footnotes.split(': ')
+    key, note = footnote.split(': ', 1)
+    footnote_index_lookup[key] = index
+    footnote_list.append('<a name="{}" class="footnote_anchor">^</a>'.format(key) + markdown(note))
+    index += 1
+
+  footnote_txt = '<section><ul class="footnotes"><li>' + '</li><li>'.join(footnote_list) + '</li></ul></section>'
+  return footnote_txt, footnote_index_lookup
 
 def format_applet(section, s3_path):
   """
@@ -189,7 +212,7 @@ def format_applet(section, s3_path):
   applet = {}
   # print(payload)
   if ': ' in payload[0]:
-    command, opt = payload[0].split(': ')
+    command, opt = payload[0].split(': ', 1)
   else:
     command = payload[0]
     opt = None
-- 
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