Implement external resources.

3 files changed, 97 insertions, 16 deletions

diff --git a/bin/index b/bin/index
index dc57798..48968a3 100755
--- a/bin/index
+++ b/bin/index
@@ -24,8 +24,12 @@ else
 	metadata = {}
 end
 
-# ARGV[2..]
 @pages = []
+for data in metadata['external']
+	@pages.push(ExternPage.new(data))
+end
+
+# ARGV[2..]
 for filename in ARGV do
 	@pages.push(Page.new(filename))
 end
diff --git a/bin/index.atom.erb b/bin/index.atom.erb
index c02f709..5b0ef36 100644
--- a/bin/index.atom.erb
+++ b/bin/index.atom.erb
@@ -16,9 +16,11 @@
 		<updated><%= page.updated.rfc3339 %></updated>
 		<published><%= page.published.rfc3339 %></published>
 		<title><%= page.title %></title>
-		<content type="html"><%= html_escape(page.content) %></content>
 		<author><%= page.author.atom %></author>
+<% if page.content %>
+		<content type="html"><%= html_escape(page.content) %></content>
 		<rights type="html"><%= html_escape(page.rights) %></rights>
+<% end %>
 	</entry>
 	<% end %>
 </feed>
diff --git a/bin/util.rb b/bin/util.rb
index 2cfc63e..b2dcd40 100644
--- a/bin/util.rb
+++ b/bin/util.rb
@@ -133,18 +133,44 @@ class Page
 		@tags
 	end
 
-	def published
-		if @published.nil?
+	def _published
+		if @_published.nil?
 			raw = pandoc['published']
-			@published = Date.parse(raw) unless raw.nil?
+			@_published = Date.parse(raw) unless raw.nil?
 		end
-		if @published.nil?
+		if @_published.nil?
 			raw = `git log -n1 --reverse --format='%cI' -- #{infile}`
-			@published = DateTime.iso8601(raw) unless raw.empty?
+			@_published = DateTime.iso8601(raw) unless raw.empty?
+		end
+		@_published
+	end
+
+	def _updated
+		if @_updated.nil?
+			raw = pandoc['updated']
+			@_updated = Date.parse(raw) unless raw.nil?
+		end
+		if @_updated.nil?
+			raw = `git log -n1 --format='%cI' -- #{infile}`
+			@_updated = DateTime.iso8601(raw) unless raw.empty?
 		end
-		unless @published.nil? or updated.nil?
-			if updated < @published
-				@published = updated
+		@_updated
+	end
+
+	def published
+		if @published.nil?
+			unless _published.nil?
+				@published = _published
+			else
+				unless _updated.nil?
+					@published = _updated
+				end
+			end
+			# sanity check
+			unless _published.nil? or _updated.nil?
+				if _updated < _published
+					@published = _updated
+				end
 			end
 		end
 		@published
@@ -152,12 +178,13 @@ class Page
 
 	def updated
 		if @updated.nil?
-			raw = pandoc['updated']
-			@updated = Date.parse(raw) unless raw.nil?
-		end
-		if @updated.nil?
-			raw = `git log -n1 --format='%cI' -- #{infile}`
-			@updated = DateTime.iso8601(raw) unless raw.empty?
+			unless _updated.nil?
+				@updated = _updated
+			else
+				unless _published.nil?
+					@updated = _published
+				end
+			end
 		end
 		@updated
 	end
@@ -217,3 +244,51 @@ def html_escape(html)
 		.gsub('>', '&gt;')
 		.gsub('<', '&lt;')
 end
+
+class ExternPage
+	def initialize(metadata)
+		@metadata = metadata
+	end
+
+	def title
+		@metadata['title']
+	end
+
+	def content
+		nil
+	end
+
+	def tags
+		if @tags.nil?
+			raw = @metadata['tags'] || []
+			if raw.is_a?(String)
+				raw = raw.split
+			end
+			@tags = raw.map{|tag|Tag.new(tag)}
+		end
+		return @tags
+	end
+
+	def url
+		return $url + @metadata['url']
+	end
+
+	def author
+		Person.new(@metadata['author'] || "Andrew Murrell")
+	end
+
+	def published
+		str = @metadata['published']
+		if str.nil? and ! @metadata['updated'].nil?
+			str = @metadata['updated']
+		end
+		return Date.parse(str)
+	end
+	def updated
+		str = @metadata['updated']
+		if str.nil? and ! @metadata['published'].nil?
+			str = @metadata['published']
+		end
+		return Date.parse(str)
+	end
+end