From 702eb577e391e296f40bbe638660b3469536b8ce Mon Sep 17 00:00:00 2001
From: Carl Boettiger <cboettig@gmail.com>
Date: Mon, 8 Apr 2013 16:10:26 -0700
Subject: [PATCH] template and plugin for testing out static comments #83
 Should add mechansim to extract comments from disqus exported xml and move
 into yaml database

---
 _includes/static_comments.html | 28 ++++++++++++++++++
 _plugins/static_comments.rb    | 54 ++++++++++++++++++++++++++++++++++
 2 files changed, 82 insertions(+)
 create mode 100644 _includes/static_comments.html
 create mode 100644 _plugins/static_comments.rb

diff --git a/_includes/static_comments.html b/_includes/static_comments.html
new file mode 100644
index 0000000000..e0aec62f49
--- /dev/null
+++ b/_includes/static_comments.html
@@ -0,0 +1,28 @@
+
+{% case page.comment_count %}
+  {% when 0 %}
+  {% when 1 %}
+    <h3>1 Comment</h3>
+  {% else %}
+    <h3>{{page.comment_count}} Comments</h3>
+{% endcase %}
+{% for c in page.comments %}
+  <div class="comment {% cycle 'odd', 'even' %}">
+    <p class="comment_header">
+      From: {% if c.link and c.link != '' %}
+        <a href="{{c.link}}">{{c.name}}</a>
+      {% else %}
+        {{c.name}}
+      {% endif %}
+      <br />
+      <span class="comment_date">{{c.date}}</span>
+    </p>
+    <p>
+      {{c.comment | newline_to_br}}
+    </p>
+  </div>
+{% endfor %}
+
+<i class=icon-comments"></i> <a href="mailto:address?subject=Comment&body=%0D+From+post+{{ site.url | cgi_escape }}{{ page.url | cgi_escape }}", class="showtooltip", title="Comments are submitted by email and will appear when they are approved. Markdown & mathjax syntax welcome.">Leave a comment</a>
+
+
diff --git a/_plugins/static_comments.rb b/_plugins/static_comments.rb
new file mode 100644
index 0000000000..184b059ec4
--- /dev/null
+++ b/_plugins/static_comments.rb
@@ -0,0 +1,54 @@
+# Store and render comments as a static part of a Jekyll site
+#
+# See README.mdwn for detailed documentation on this plugin.
+#
+# Homepage: http://theshed.hezmatt.org/jekyll-static-comments
+#
+#  Copyright (C) 2011 Matt Palmer <mpalmer@hezmatt.org>
+#
+#  This program is free software; you can redistribute it and/or modify it
+#  under the terms of the GNU General Public License version 3, as
+#  published by the Free Software Foundation.
+#
+#  This program is distributed in the hope that it will be useful, but
+#  WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+#  General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License along
+#  with this program; if not, see <http://www.gnu.org/licences/>
+
+class Jekyll::Post
+	alias :to_liquid_without_comments :to_liquid
+	
+	def to_liquid
+		data = to_liquid_without_comments
+		data['comments'] = StaticComments::find_for_post(self)
+		data['comment_count'] = data['comments'].length
+		data
+	end
+end
+
+module StaticComments
+	# Find all the comments for a post
+	def self.find_for_post(post)
+		@comments ||= read_comments(post.site.source)
+		@comments[post.id]
+	end
+	
+	# Read all the comments files in the site, and return them as a hash of
+	# arrays containing the comments, where the key to the array is the value
+	# of the 'post_id' field in the YAML data in the comments files.
+	def self.read_comments(source)
+		comments = Hash.new() { |h, k| h[k] = Array.new }
+		
+		Dir["#{source}/**/_comments/**/*"].sort.each do |comment|
+			next unless File.file?(comment) and File.readable?(comment)
+			yaml_data = YAML::load_file(comment)
+			post_id = yaml_data.delete('post_id')
+			comments[post_id] << yaml_data
+		end
+		
+		comments
+	end
+end