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+;;; (planet feed) --- internal feed representation
+
+(declare (module (planet feed))
+         (import scheme (chicken base)
+                 (chicken time posix)
+                 uri-common)
+         (export feed make-feed feed?
+                 feed-url feed-title feed-updated feed-meta feed-items)
+         (export item make-item item?
+                 item-link item-title item-updated item-meta item-content)
+         (export attachment make-attachment attachment?
+                 attachment-url attachment-size attachment-mimetype))
+
+(define-record-type feed
+  (make-feed url
+             title
+             updated
+             meta
+             items)
+  feed?
+  (url feed-url (setter feed-url))             ; URI
+  (title feed-title (setter feed-title))       ; String
+  (updated feed-updated (setter feed-updated)) ; Date
+  (meta feed-meta (setter feed-meta))          ; Alist: String -> String (?)
+  (items feed-items (setter feed-items))       ; Items
+  )
+
+(define-record-type item
+  (make-item link
+             title
+             updated
+             meta
+             content
+             attachments)
+  item?
+  (link item-link (setter item-link))          ; URI
+  (title item-title (setter item-title))       ; String
+  (updated item-updated (setter item-updated)) ; Date
+  (meta item-meta (setter item-meta))          ; Alist: String -> String
+  (content item-content (setter item-content)) ; String
+  (attachments item-attachments (setter item-attachments)) ; List: Attachment*
+  )
+
+(define-record-type attachment
+  ;; Basically RSS <enclosure>
+  (make-attachment url size mimetype)
+  attachment?
+  (url attachment-url (setter attachment-url))
+  (size attachment-size (setter attachment-size))
+  (mimetype attachment-mimetype (setter attachment-mimetype)))