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;;; mastodon-profile.el --- Functions for inspecting Mastodon profiles -*- lexical-binding: t -*-
;; Copyright (C) 2017-2019 Johnson Denen
;; Author: Johnson Denen <johnson.denen@gmail.com>
;; Version: 0.7.2
;; Package-Requires: ((emacs "24.4"))
;; Homepage: https://github.com/jdenen/mastodon.el
;; This file is not part of GNU Emacs.
;; This file is part of mastodon.el.
;; mastodon.el is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; mastodon.el is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with mastodon.el. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; mastodon-profile.el generates a stream of users toots.
;; To add
;; - Option to follow
;; - wheather they follow you or not
;; - Show only Media
;;; Code:
(require 'seq)
(autoload 'mastodon-http--api "mastodon-http.el")
(autoload 'mastodon-http--get-json "mastodon-http.el")
(autoload 'mastodon-media--get-media-link-rendering "mastodon-media.el")
(autoload 'mastodon-media--inline-images "mastodon-media.el")
(autoload 'mastodon-mode "mastodon.el")
(autoload 'mastodon-tl--byline-author "mastodon-tl.el")
(autoload 'mastodon-tl--goto-next-toot "mastodon-tl.el")
(autoload 'mastodon-tl--property "mastodon-tl.el")
(autoload 'mastodon-tl--render-text "mastodon-tl.el")
(autoload 'mastodon-tl--set-face "mastodon-tl.el")
(autoload 'mastodon-tl--timeline "mastodon-tl.el")
(autoload 'mastodon-tl--toot-id "mastodon-tl")
(defvar mastodon-instance-url)
(defvar mastodon-tl--buffer-spec)
(defvar mastodon-tl--update-point)
(defvar mastodon-profile--account nil
"The data for the account being described in the current profile buffer.")
(make-variable-buffer-local 'mastodon-profile--account)
(define-minor-mode mastodon-profile-mode
"Toggle mastodon profile minor mode.
This minor mode is used for mastodon profile pages and adds a couple of
extra keybindings."
:init-value nil
;; The mode line indicator.
:lighter " Profile"
;; The key bindings
:keymap '(((kbd "F") . mastodon-profile--open-followers)
((kbd "f") . mastodon-profile--open-following))
:group 'mastodon)
(defun mastodon-profile--toot-json ()
"Get the next toot-json."
(interactive)
(mastodon-tl--property 'toot-json))
(defun mastodon-profile--make-author-buffer (account)
"Take a ACCOUNT and inserts a user account into a new buffer."
(mastodon-profile--make-profile-buffer-for
account "statuses" #'mastodon-tl--timeline))
(defun mastodon-profile--open-following ()
"Open a profile buffer for the current profile showing the accounts
that current profile follows."
(interactive)
(if mastodon-profile--account
(mastodon-profile--make-profile-buffer-for
mastodon-profile--account
"following"
#'mastodon-profile--add-author-bylines)
(error "Not in a mastodon profile")))
(defun mastodon-profile--open-followers ()
"Open a profile buffer for the current profile showing the accounts
following the current profile."
(interactive)
(if mastodon-profile--account
(mastodon-profile--make-profile-buffer-for
mastodon-profile--account
"followers"
#'mastodon-profile--add-author-bylines)
(error "Not in a mastodon profile")))
(defun mastodon-profile--make-profile-buffer-for (account endpoint-type update-function)
(let* ((id (mastodon-profile--account-field account 'id))
(acct (mastodon-profile--account-field account 'acct))
(url (mastodon-http--api (format "accounts/%s/%s"
id endpoint-type)))
(buffer (concat "*mastodon-" acct "-" endpoint-type "*"))
(note (mastodon-profile--account-field account 'note))
(json (mastodon-http--get-json url)))
(with-output-to-temp-buffer buffer
(switch-to-buffer buffer)
(mastodon-mode)
(mastodon-profile-mode)
(setq mastodon-profile--account account
mastodon-tl--buffer-spec
`(buffer-name ,buffer
endpoint ,(format "accounts/%s/%s" id endpoint-type)
update-function ,update-function))
(let* ((inhibit-read-only t)
(is-statuses (string= endpoint-type "statuses"))
(is-followers (string= endpoint-type "followers"))
(is-following (string= endpoint-type "following"))
(endpoint-name (cond
(is-statuses " TOOTS ")
(is-followers " FOLLOWERS ")
(is-following " FOLLOWING "))))
(insert
"\n"
(mastodon-profile--image-from-account account)
"\n"
(propertize (mastodon-profile--account-field
account 'display_name)
'face 'mastodon-display-name-face)
"\n"
(propertize acct
'face 'default)
"\n ------------\n"
(mastodon-tl--render-text note nil)
(mastodon-tl--set-face
(concat " ------------\n"
endpoint-name "\n"
" ------------\n")
'success))
(setq mastodon-tl--update-point (point))
(mastodon-media--inline-images (point-min) (point))
(funcall update-function json)))
(mastodon-tl--goto-next-toot)))
(defun mastodon-profile--get-toot-author ()
"Opens authors profile of toot under point."
(interactive)
(mastodon-profile--make-author-buffer
(cdr (assoc 'account (mastodon-profile--toot-json)))))
(defun mastodon-profile--image-from-account (status)
"Generate an image from a STATUS."
(let ((url (cdr (assoc 'avatar_static status))))
(unless (equal url "/avatars/original/missing.png")
(mastodon-media--get-media-link-rendering url))))
(defun mastodon-profile--show-user (user-handle)
"Query user for user id from current status and show that user's profile."
(interactive
(list
(let ((user-handles (mastodon-profile--extract-users-handles
(mastodon-profile--toot-json))))
(completing-read "User handle: "
user-handles
nil ; predicate
'confirm))))
(let ((account (mastodon-profile--lookup-account-in-status
user-handle (mastodon-profile--toot-json))))
(if account
(mastodon-profile--make-author-buffer account)
(message "Cannot find a user with handle %S" user-handle))))
(defun mastodon-profile--account-field (account field)
"Return FIELD from the ACCOUNT.
FIELD is used to identify regions under 'account"
(cdr (assoc field account)))
(defun mastodon-profile--add-author-bylines (tootv)
"Convert TOOTV into a author-bylines and insert."
(let ((inhibit-read-only t))
(mapc (lambda (toot)
(let ((start-pos (point)))
(insert "\n"
(propertize
(mastodon-tl--byline-author `((account . ,toot)))
'byline 't
'toot-id (cdr (assoc 'id toot))
'base-toot-id (mastodon-tl--toot-id toot)
'toot-json toot))
(mastodon-media--inline-images start-pos (point))
(insert "\n"
(mastodon-tl--render-text (cdr (assoc 'note toot)) nil)
"\n")))
tootv)))
(defun mastodon-profile--search-account-by-handle (handle)
"Return an account based on a users HANDLE.
If the handle does not match a search return then retun NIL."
(let* ((handle (if (string= "@" (substring handle 0 1))
(substring handle 1 (length handle))
handle))
(matching-account
(seq-remove
(lambda(x) (not (string= (cdr (assoc 'acct x)) handle)))
(mastodon-http--get-json
(mastodon-http--api (format "accounts/search?q=%s" handle))))))
(when (equal 1 (length matching-account))
(elt matching-account 0))))
(defun mastodon-profile--account-from-id (user-id)
"Request an account object relating to a USER-ID from Mastodon."
(mastodon-http--get-json
(mastodon-http--api (format "accounts/%s" user-id))))
(defun mastodon-profile--extract-users-handles (status)
"Return all user handles found in STATUS.
These include the author, author of reblogged entries and any user mentioned."
(when status
(let ((this-account (cdr (assoc 'account status)))
(mentions (cdr (assoc 'mentions status)))
(reblog (cdr (assoc 'reblog status))))
(seq-filter
'stringp
(seq-uniq
(seq-concatenate
'list
(list (cdr (assoc 'acct this-account)))
(mastodon-profile--extract-users-handles reblog)
(mapcar (lambda (mention)
(cdr (assoc 'acct mention)))
mentions)))))))
(defun mastodon-profile--lookup-account-in-status (handle status)
"Return account for HANDLE using hints in STATUS if possible."
(let* ((this-account (cdr (assoc 'account status)))
(reblog-account (cdr (assoc 'account (cdr (assoc 'reblog status)))))
(mention-id (seq-some
(lambda (mention)
(when (string= handle
(cdr (assoc 'acct mention)))
(cdr (assoc 'id mention))))
(cdr (assoc 'mentions status)))))
(cond ((string= handle
(cdr (assoc 'acct this-account)))
this-account)
((string= handle
(cdr (assoc 'acct reblog-account)))
reblog-account)
(mention-id
(mastodon-profile--account-from-id mention-id))
(t
(mastodon-profile--search-account-by-handle handle)))))
(provide 'mastodon-profile)
;;; mastodon-profile.el ends here
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