datenspuren mitschnitte: implement <include-feeds> from media.ccc.de

Makefile

@@ -272,6 +272,18 @@ build/news/%.html: content/news/%.xml $(STYLE) $(NAVIGATION) $(DATESTAMP)
 
 # Datenspuren
 
+# As of 2015-10-25 all these feeds contain just .mp4 files:
+DS_FEEDS=datenspuren-2015-mp4.xml #datenspuren-2015-webm.xml datenspuren-2015-opus.xml datenspuren-2015-mp3.xml
+
+datenspuren-2015-mp4.xml:
+	$(WGET) -O $@ https://media.ccc.de/podcast/conferences%2Fdatenspuren%2F2015/mp4
+#datenspuren-2015-webm.xml:
+#	$(WGET) -O $@ https://media.ccc.de/podcast/conferences%2Fdatenspuren%2F2015/webm
+#datenspuren-2015-opus.xml:
+#	$(WGET) -O $@ https://media.ccc.de/podcast/conferences%2Fdatenspuren%2F2015/opus
+#datenspuren-2015-mp3.xml:
+#	$(WGET) -O $@ https://media.ccc.de/podcast/conferences%2Fdatenspuren%2F2015/mp3
+
 build/datenspuren/$(DS_YEAR)/schedule-%.raw.xml: content/static/datenspuren/$(DS_YEAR)/fahrplan/schedule/%.html scripts/hyphenate.sed $(DATESTAMP)
 	 scripts/hyphenate.sed < $< > $@
 build/datenspuren/$(DS_YEAR)/schedule-%.xml : VFLAGS_IN=$(VFLAGS) --html
@@ -281,7 +293,7 @@ build/datenspuren/$(DS_YEAR)/schedule-%.xml: build/datenspuren/$(DS_YEAR)/schedu
 	$(call xml_process)
 
 build/datenspuren/$(DS_YEAR)/%html : STYLE=$(DS_STYLE)
-build/datenspuren/$(DS_YEAR)/%.html: content/datenspuren/%.xml $(DS_STYLE) news.xml $(DS_SCHEDULE)
+build/datenspuren/$(DS_YEAR)/%.html: content/datenspuren/%.xml $(DS_STYLE) news.xml $(DS_SCHEDULE) $(DS_FEEDS)
 	$(call xml_process)
 
 build/datenspuren/$(DS_YEAR)/news-rss.xml : STYLE=xsl/rss.xsl

content/datenspuren/mitschnitte.xml

@@ -21,8 +21,15 @@
   </p>
   
   <p title="Datenspuren 2015" id="ds2015">
-    Erscheinen <link href="https://media.ccc.de/c/ds2015">auf media.ccc.de</link>
+    Übernommen durch das <link href="http://c3voc.de/">CCC Video Operation Center</link>,
+    erscheinen <link href="https://media.ccc.de/c/ds2015">auf media.ccc.de</link>.
   </p>
+  <include-feeds>
+    <feed>../../datenspuren-2015-mp4.xml</feed>
+    <!-- <feed>../../datenspuren-2015-webm.xml</feed> -->
+    <!-- <feed>../../datenspuren-2015-opus.xml</feed> -->
+    <!-- <feed>../../datenspuren-2015-mp3.xml</feed> -->
+  </include-feeds>
 
   <p title="Datenspuren 2014" id="ds2014">
     <link href="http://datenspuren.de/2014/mitschnitte-rss.xml">Podcast-Feed</link>

xsl/datenspuren/xhtml5.xsl

@@ -3,7 +3,9 @@
                 xmlns="http://www.w3.org/1999/xhtml"
                 xmlns:date="http://exslt.org/dates-and-times"
                 xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
-                exclude-result-prefixes="xsl date">
+                xmlns:dc="http://purl.org/dc/elements/1.1/"
+                xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd"
+                exclude-result-prefixes="xsl date dc itunes">
 
 <xsl:include href="../common.xsl" />
 
@@ -262,5 +264,43 @@
     </span>
   </xsl:template>
 
-</xsl:stylesheet>
+  <xsl:template match="include-feeds">
+    <xsl:variable name="feeds" select="."/>
+    <xsl:for-each select="feed[1]">
+      <xsl:for-each select="document(.)/rss/channel/item">
+        <xsl:variable name="identifier" select="dc:identifier"/>
+        <xsl:variable name="title" select="substring-after(title, ': ')"/>
+        <xsl:variable name="preview"
+                      select="concat('https://static.media.ccc.de/media/events/datenspuren/2015/',
+                              substring-before(substring-after(link ,'/datenspuren15-'), '-'),
+                              '-sd_preview.jpg')"/>
 
+        <section class="resource">
+          <h4><xsl:value-of select="$title"/></h4>
+          <div class="preview">
+            <img src="{$preview}" title="$title"/>
+          </div>
+          <ul class="links">
+            <xsl:for-each select="$feeds/feed">
+              <xsl:for-each select="document(.)/rss/channel/item[dc:identifier = $identifier]/enclosure">
+                <li>
+                  <a href="{@url}" type="{@type}">
+                    <xsl:call-template name="mime-for-human-short">
+	              <xsl:with-param name="mime" select="@type"/>
+                    </xsl:call-template>
+                  </a>
+                </li>
+              </xsl:for-each>
+            </xsl:for-each>
+            <li>
+              <span class="size">
+                <xsl:value-of select="itunes:duration"/>
+              </span>
+            </li>
+          </ul>
+        </section>
+      </xsl:for-each>
+    </xsl:for-each>
+  </xsl:template>
+  
+</xsl:stylesheet>