+;; Echo object.
+(defvar mixi-echo-cache (make-hash-table :test 'equal))
+;; FIXME: Support parent.
+(defun mixi-make-echo (owner post-time &optional content)
+ "Return an echo object."
+ (let ((owner (or owner (mixi-make-me))))
+ (mixi-make-cache (list (mixi-friend-id owner) post-time)
+ (cons 'mixi-echo (vector nil owner post-time content))
+ mixi-echo-cache)))
+
+(defconst mixi-echo-url-regexp
+ "view_echo\\.pl\\?id=\\([0-9]+\\)&post_time=\\([0-9]+\\)")
+
+(defun mixi-make-echo-from-url (url)
+ "Return an echo object from URL."
+ (when (string-match mixi-echo-url-regexp url)
+ (let ((owner-id (match-string 1 url))
+ (post-time (match-string 2 url)))
+ (mixi-make-echo (mixi-make-friend owner-id) post-time))))
+
+(defmacro mixi-echo-p (echo)
+ `(eq (mixi-object-class ,echo) 'mixi-echo))
+
+(defmacro mixi-echo-page (echo)
+ `(concat "/view_echo.pl?id=" (mixi-friend-id (mixi-echo-owner ,echo))
+ "&post_time=" (mixi-echo-post-time ,echo)))
+
+(defconst mixi-echo-owner-nick-regexp
+ "<div class=\"echo_nickname\" id=\"echo_nickname_[0-9]+\" style=\"display: none;\">\\(.*\\)</div>")
+(defconst mixi-echo-content-regexp
+ "<div class=\"echo_body\" id=\"echo_body_[0-9]+\" style=\"display: none;\">\\(.+\\)</div>")
+
+(defun mixi-realize-echo (echo)
+ "Realize an ECHO."
+ ;; FIXME: Check an expiration of cache?
+ (unless (mixi-object-realized-p echo)
+ (with-mixi-retrieve (mixi-echo-page echo)
+ (let ((case-fold-search t))
+ (if (re-search-forward mixi-echo-owner-nick-regexp nil t)
+ (mixi-friend-set-nick (mixi-echo-owner echo)
+ (match-string 1))
+ (mixi-realization-error 'cannot-find-owner-nick echo))
+ (if (re-search-forward mixi-echo-content-regexp nil t)
+ (mixi-echo-set-content echo (match-string 1))
+ (mixi-realization-error 'cannot-find-owner-nick echo))))
+ (mixi-object-touch echo)))
+
+(defun mixi-echo-owner (echo)
+ "Return the owner of ECHO."
+ (unless (mixi-echo-p echo)
+ (signal 'wrong-type-argument (list 'mixi-echo-p echo)))
+ (aref (cdr echo) 1))
+
+(defun mixi-echo-post-time (echo)
+ "Return the post-time of ECHO."
+ (unless (mixi-echo-p echo)
+ (signal 'wrong-type-argument (list 'mixi-echo-p echo)))
+ (aref (cdr echo) 2))
+
+(defun mixi-echo-content (echo)
+ "Return the content of ECHO."
+ (unless (mixi-echo-p echo)
+ (signal 'wrong-type-argument (list 'mixi-echo-p echo)))
+ (mixi-realize-echo echo)
+ (aref (cdr echo) 3))
+
+(defun mixi-echo-set-content (echo content)
+ "Set the content of ECHO."
+ (unless (mixi-echo-p echo)
+ (signal 'wrong-type-argument (list 'mixi-echo-p echo)))
+ (aset (cdr echo) 3 content))
+
+(defmacro mixi-echo-list-page (&optional friend)
+ `(concat "/list_echo.pl?page=%d"
+ (when ,friend (concat "&id=" (mixi-friend-id ,friend)))))
+
+(defconst mixi-echo-list-regexp
+ "<a href=\"view_echo\\.pl\\?id=\\([0-9]+\\)&post_time=\\([0-9]+\\)\">")
+
+;;;###autoload
+(defun mixi-get-echoes (&rest friend-or-range)
+ "Get echoes of FRIEND."
+ (when (> (length friend-or-range) 2)
+ (signal 'wrong-number-of-arguments
+ (list 'mixi-get-echoes (length friend-or-range))))
+ (let ((friend (nth 0 friend-or-range))
+ (range (nth 1 friend-or-range)))
+ (when (or (not (mixi-friend-p friend)) (mixi-friend-p range))
+ (setq friend (nth 1 friend-or-range))
+ (setq range (nth 0 friend-or-range)))
+ (unless (or (null friend) (mixi-friend-p friend))
+ (signal 'wrong-type-argument (list 'mixi-friend-p friend)))
+ (let ((items (mixi-get-matched-items (mixi-echo-list-page friend)
+ mixi-echo-list-regexp
+ range)))
+ (mapcar (lambda (item)
+ (mixi-make-echo friend (nth 1 item)))
+ items))))
+
+(defmacro mixi-new-echo-list-page ()
+ `(concat "/recent_echo.pl?page=%d"))
+
+(defconst mixi-new-echo-list-regexp
+ "<a href=\"view_echo\\.pl\\?id=\\([0-9]+\\)&post_time=\\([0-9]+\\)\">")
+
+;;;###autoload
+(defun mixi-get-new-echoes (&optional range)
+ "Get new echoes."
+ (let ((items (mixi-get-matched-items (mixi-new-echo-list-page)
+ mixi-new-echo-list-regexp
+ range)))
+ (mapcar (lambda (item)
+ (mixi-make-echo (mixi-make-friend (nth 0 item)) (nth 1 item)))
+ items)))
+
+(defmacro mixi-post-echo-page ()
+ `(concat "/add_echo.pl"))
+
+(defconst mixi-echo-post-succeed-regexp mixi-my-id-regexp)
+
+;;;###autoload
+(defun mixi-post-echo (content &optional parent)
+ "Post an echo."
+ (unless (stringp content)
+ (signal 'wrong-type-argument (list 'stringp content)))
+ (unless (or (null parent) (mixi-echo-p parent))
+ (signal 'wrong-type-argument (list 'mixi-echo-p parent)))
+ (let (fields post-key)
+ (with-mixi-retrieve (format (mixi-new-echo-list-page) 1)
+ (if (re-search-forward mixi-post-key-regexp nil t)
+ (setq post-key (match-string 1))
+ (mixi-post-error 'cannot-find-key)))
+ (setq fields `(("post_key" . ,post-key)
+ ("redirect" . "home")
+ ("body" . ,content)))
+ (when (mixi-echo-p parent)
+ (setq fields (cons `("parent_member_id" . ,(mixi-friend-id
+ (mixi-echo-owner parent)))
+ fields))
+ (setq fields (cons `("parent_post_time" . ,(mixi-echo-post-time parent))
+ fields)))
+ (with-mixi-post-form (mixi-post-echo-page) fields
+ (unless (re-search-forward mixi-echo-post-succeed-regexp nil t)
+ (mixi-post-error 'cannot-find-succeed)))))
+