Skip episodes with no download URL, e.g. future episodes

neinomat-radio-chaotica

@@ -62,6 +62,9 @@ episodes = []
     # Check problem fields
     MediaWiki::logger.warn "Field beschreibung in #{episode["url"]} empty" if episode["description"] == ""
 
+    # Skip episodes with no download URL, e.g. future episodes
+    next if episode["enclosure_url"] == ""
+
     # Get a real date
     erste_sendung.gsub!(/\s*um\s*\d+:\d+$/,"")
     if erste_sendung !~ /^[0-9]{2}\.[0-9]{2}\.[0-9]{4}.*$/
@@ -72,7 +75,12 @@ episodes = []
     episode["pubdate"] = episode["date"].strftime(RFC822)
  
     # Get content type and length
-    head = head(episode["enclosure_url"])
+    begin 
+      head = head(episode["enclosure_url"])
+    rescue Errno::ECONNREFUSED
+      MediaWiki::logger.warn "Something wrong with download URL #{episode["enclosure_url"]}, skipping."
+      next
+    end
     episode["length"] = head["content-length"]
     episode["type"]   = head["content-type"]