Add class to remove chartable prefix

lib/remove_chartable.rb

@@ -0,0 +1,73 @@
+# RemoveChartable.new.fix_feeds
+class RemoveChartable
+  PRX_SWAP_FM_FEEDS = [424, 398, 4192, 181, 258, 268, 3334, 308, 4885, 279, 5051, 44, 144]
+
+  SWAP_FM_PREFIX = "tracking.swap.fm/track/sblTq32fyWAjsHzze2LG/"
+
+  DEBUG = true
+
+  def fix_feeds
+    chartable_feeds.each do |feed|
+      puts "\npodcast: #{feed.podcast.id}: #{feed.podcast.title}, feed: #{feed.id}"
+      new_prefix = remove_chartable(feed.enclosure_prefix)
+
+      if PRX_SWAP_FM_FEEDS.include?(feed.id)
+        new_prefix = add_swap_fm(new_prefix)
+      end
+
+      puts "fix_feeds:\n\t'#{feed.enclosure_prefix}'\n\t'#{new_prefix}'\n"
+
+      if (new_prefix != feed.enclosure_prefix) && !DEBUG
+        feed.update(enclosure_prefix: new_prefix)
+        feed.podcast.publish!
+      end
+    end
+    puts "done!"
+  end
+
+  def chartable_feeds
+    Feed.where("enclosure_prefix like '%chrt.fm%' or enclosure_prefix like '%chtbl.com%'")
+  end
+
+  def add_swap_fm(prefix)
+    if prefix.include?(SWAP_FM_PREFIX)
+      puts "add_swap_fm: swap.fm prefix already present"
+      return
+    end
+
+    fixed = (prefix || "").gsub(/https:\//, "")
+    fixed = if fixed.blank?
+      "https://#{SWAP_FM_PREFIX}"
+    else
+      "#{fixed}/#{SWAP_FM_PREFIX}"
+    end
+    fixed = fixed.squeeze("/")
+
+    # get rid of any leading slashes
+    fixed = fixed.sub(/^\/+/, "")
+
+    fixed = (fixed.blank? || fixed == "/") ? nil : "https://#{fixed}"
+    puts "add_swap_fm: #{prefix} -> #{fixed}"
+    fixed
+  end
+
+  def remove_chartable(prefix)
+    # remove https:/ anywhere in the prefix (we'll put it back!)
+    fixed = (prefix || "").gsub(/https:\//, "")
+
+    # remove the chartable prefix
+    fixed = fixed.gsub(/(chrt\.fm|chtbl\.com)\/track\/\w+/, "")
+
+    # remove any duplicate slashes left over
+    fixed = fixed.squeeze("/")
+
+    # get rid of any leading slashes
+    fixed = fixed.sub(/^\/+/, "")
+
+    # if all that is left is a single slash, this is nil
+    # otherwise, add back that protocol
+    fixed = (fixed.blank? || fixed == "/") ? nil : "https://#{fixed}"
+    puts "remove_chartable: #{prefix} -> #{fixed}"
+    fixed
+  end
+end