Merge branch 'edit-posts' into develop

1 files changed, 94 insertions, 9 deletions

diff --git a/lisp/mastodon-toot.el b/lisp/mastodon-toot.el
index f7fea75..5a735dc 100644
--- a/lisp/mastodon-toot.el
+++ b/lisp/mastodon-toot.el
@@ -81,6 +81,7 @@
 (autoload 'mastodon-profile--fetch-server-account-settings-maybe "mastodon-profile")
 (autoload 'mastodon-http--build-array-args-alist "mastodon-http")
 (autoload 'mastodon-tl--get-endpoint "mastodon-tl")
+(autoload 'mastodon-http--put "mastodon-http")
 
 ;; for mastodon-toot--translate-toot-text
 (autoload 'mastodon-tl--content "mastodon-tl")
@@ -171,6 +172,8 @@ change the setting on the server, see
 (defvar-local mastodon-toot--reply-to-id nil
   "Buffer-local variable to hold the id of the toot being replied to.")
 
+(defvar-local mastodon-toot--edit-toot-id nil
+  "The id of the toot being edited.")
 
 (defvar-local mastodon-toot-previous-window-config nil
   "A list of window configuration prior to composing a toot.
@@ -188,7 +191,7 @@ For the moment we just put all composed toots in here, as we want
 to also capture toots that are 'sent' but that don't successfully
 send.")
 
-(defvar mastodon-handle-regex
+(defvar mastodon-toot-handle-regex
   (concat
    ;; preceding space or bol [boundary doesn't work with @]
    "\\([\n\t ]\\|^\\)"
@@ -637,13 +640,22 @@ to `emojify-user-emojis', and the emoji data is updated."
 (defun mastodon-toot--send ()
   "POST contents of new-toot buffer to Mastodon instance and kill buffer.
 If media items have been attached and uploaded with
-`mastodon-toot--attach-media', they are attached to the toot."
+`mastodon-toot--attach-media', they are attached to the toot.
+If `mastodon-toot--edit-toot-id' is non-nil, PUT contents to
+instance to edit a toot."
   (interactive)
-  (let* ((toot (mastodon-toot--remove-docs))
-         (endpoint (mastodon-http--api "statuses"))
+  (let* ((edit-p (if mastodon-toot--edit-toot-id t nil))
+         (toot (mastodon-toot--remove-docs))
+         (endpoint
+          (if edit-p
+              ;; we are sending an edit:
+              (mastodon-http--api (format "statuses/%s"
+                                          mastodon-toot--edit-toot-id))
+            (mastodon-http--api "statuses")))
          (spoiler (when (and (not (mastodon-toot--empty-p))
                              mastodon-toot--content-warning)
-                    (read-string "Warning: " mastodon-toot--content-warning-from-reply-or-redraft)))
+                    (read-string "Warning: "
+                                 mastodon-toot--content-warning-from-reply-or-redraft)))
          (args-no-media `(("status" . ,toot)
                           ("in_reply_to_id" . ,mastodon-toot--reply-to-id)
                           ("visibility" . ,mastodon-toot--visibility)
@@ -676,13 +688,86 @@ If media items have been attached and uploaded with
           ((mastodon-toot--empty-p)
            (message "Empty toot. Cowardly refusing to post this."))
           (t
-           (let ((response (mastodon-http--post endpoint args)))
+           (let ((response (if edit-p
+                               ;; we are sending an edit:
+                               (mastodon-http--put endpoint args)
+                             (mastodon-http--post endpoint args))))
              (mastodon-http--triage response
                                     (lambda ()
                                       (mastodon-toot--kill)
                                       (message "Toot toot!")
                                       (mastodon-toot--restore-previous-window-config prev-window-config))))))))
 
+;; EDITING TOOTS:
+
+(defun mastodon-toot--edit-toot-at-point ()
+  "Edit the user's toot at point."
+  (interactive)
+  (let ((toot (or (mastodon-tl--property 'base-toot); fave/boost notifs
+                  (mastodon-tl--property 'toot-json))))
+    (if (not (mastodon-toot--own-toot-p toot))
+        (message "You can only edit your own toots.")
+      (let* ((id (mastodon-tl--as-string (mastodon-tl--toot-id toot)))
+             (source (mastodon-toot--get-toot-source id))
+             (content (alist-get 'text source))
+             (source-cw (alist-get 'spoiler_text source))
+             (toot-visibility (alist-get 'visibility toot))
+             (reply-id (alist-get 'in_reply_to_id toot)))
+        (when (y-or-n-p "Edit this toot? ")
+          (mastodon-toot--compose-buffer)
+          (goto-char (point-max))
+          (insert content)
+          ;; adopt reply-to-id, visibility and CW:
+          (when reply-id
+            (setq mastodon-toot--reply-to-id reply-id))
+          (setq mastodon-toot--visibility toot-visibility)
+          (mastodon-toot--set-cw source-cw)
+          (mastodon-toot--update-status-fields)
+          (setq mastodon-toot--edit-toot-id id))))))
+
+(defun mastodon-toot--get-toot-source (id)
+  "Fetch the source JSON of toot with ID."
+  (let ((url (mastodon-http--api (format "/statuses/%s/source" id))))
+    (mastodon-http--get-json url :silent)))
+
+(defun mastodon-toot--get-toot-edits (id)
+  "Return the edit history of toot with ID."
+  (let* ((url (mastodon-http--api (format "statuses/%s/history" id))))
+    (mastodon-http--get-json url)))
+
+(defun mastodon-toot--view-toot-edits ()
+  "View editing history of the toot at point in a popup buffer."
+  (interactive)
+  (let ((history (mastodon-tl--property 'edit-history)))
+    (with-current-buffer (get-buffer-create "*mastodon-toot-edits*")
+      (let ((inhibit-read-only t))
+        (special-mode)
+        (erase-buffer)
+        (let ((count 1))
+          (mapc (lambda (x)
+                  (insert (propertize (if (= count 1)
+                                          (format "%s [original]:\n" count)
+                                        (format "%s:\n" count))
+                                      'face 'font-lock-comment-face)
+                          (mastodon-toot--insert-toot-iter x)
+                          "\n")
+                  (cl-incf count))
+                history))
+        (switch-to-buffer-other-window (current-buffer))
+        (setq-local header-line-format
+                    (propertize
+                     (format "Edits to toot by %s:"
+                             (alist-get 'username
+                                        (alist-get 'account (car history))))
+                     'face font-lock-comment-face))))))
+
+(defun mastodon-toot--insert-toot-iter (it)
+  "Insert iteration IT of toot."
+  (let ((content (alist-get 'content it))
+        (account (alist-get 'account it)))
+    ;; TODO: handle polls, media
+    (mastodon-tl--render-text content)))
+
 (defun mastodon-toot--restore-previous-window-config (config)
   "Restore the window CONFIG after killing the toot compose buffer.
 Buffer-local variable `mastodon-toot-previous-window-config' holds the config."
@@ -788,7 +873,7 @@ meta fields respectively."
          (if (string= str-prefix "@")
              (save-match-data
                (save-excursion
-                 (re-search-backward mastodon-handle-regex nil :no-error)
+                 (re-search-backward mastodon-toot-handle-regex nil :no-error)
                  (if (match-string-no-properties 2)
                      ;; match full handle inc. domain (see the regex for subexp 2)
                      (buffer-substring-no-properties (match-beginning 2) (match-end 2))
@@ -1225,7 +1310,7 @@ REPLY-JSON is the full JSON of the toot being replied to."
                                  'face 'mastodon-cw-face)))))
 
 (defun mastodon-toot--count-toot-chars (toot-string)
-  "Count the characters in the current toot.
+  "Count the characters in TOOT-STRING.
 URLs always = 23, and domain names of handles are not counted.
 This is how mastodon does it."
   (with-temp-buffer
@@ -1310,7 +1395,7 @@ Added to `after-change-functions'."
                                       'success
                                       (cdr header-region))
       (mastodon-toot--propertize-item
-       mastodon-handle-regex
+       mastodon-toot-handle-regex
        'mastodon-display-name-face
        (cdr header-region)))))