Retrieve home timeline with `mastodon' function

5 files changed, 119 insertions, 4 deletions

diff --git a/lisp/mastodon-auth.el b/lisp/mastodon-auth.el
index ef16ab9..69404ac 100644
--- a/lisp/mastodon-auth.el
+++ b/lisp/mastodon-auth.el
@@ -28,7 +28,6 @@
 ;;; Code:
 
 (require 'plstore)
-(require 'mastodon)
 (require 'mastodon-http)
 
 (defgroup mastodon-auth nil
diff --git a/lisp/mastodon-http.el b/lisp/mastodon-http.el
index b6cc879..35af12c 100644
--- a/lisp/mastodon-http.el
+++ b/lisp/mastodon-http.el
@@ -27,7 +27,6 @@
 
 ;;; Code:
 
-(require 'mastodon)
 (require 'json)
 
 (defgroup mastodon-http nil
diff --git a/lisp/mastodon-tl.el b/lisp/mastodon-tl.el
new file mode 100644
index 0000000..e782631
--- /dev/null
+++ b/lisp/mastodon-tl.el
@@ -0,0 +1,94 @@
+;;; mastodon-tl.el --- HTTP request/response functions for mastodon.el
+
+;; Copyright (C) 2017 Johnson Denen
+;; Author: Johnson Denen <johnson.denen@gmail.com>
+;; 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-tl.el provides timeline functions.
+
+;;; Code:
+
+(require 'mastodon-http)
+
+(defgroup mastodon-tl nil
+  "Timelines in Mastodon."
+  :prefix "mastodon-tl-"
+  :group 'mastodon)
+
+(defface mastodon-tl-toot-text-face
+  '((t (:foreground "LightGray")))
+  "Toot content face.")
+
+(defface mastodon-tl-toot-display-name-face
+  '((t (:foreground "cyan")))
+  "Mastodon user handle face.")
+
+(defun mastodon-tl--from-toot (key toot)
+  "Return value for KEY in TOOT."
+  (cdr (assoc key toot)))
+
+(defun mastodon-tl--render-display-name (name)
+  (insert
+   (propertize (concat name " ")
+               'face 'mastodon-tl-toot-display-name-face)))
+
+(defun mastodon-tl--render-header (handle name id url)
+  (insert "=== ")
+  (mastodon-tl--render-display-name name)
+  (insert (concat "@" handle "\n")))
+
+(defun mastodon-tl--remove-html (toot)
+  (let* ((t1 (replace-regexp-in-string "<\/p>" "\n\n" toot))
+         (t2 (replace-regexp-in-string "<\/?span>" "" t1))
+         (t3 (replace-regexp-in-string "<span class=\"h-card\">" "" t2)))
+    t3))
+
+(defun mastodon-tl--render-content (toot)
+  (let* ((content (mastodon-tl--remove-html toot)))
+    (insert
+     (propertize content
+                 'face 'mastodon-tl-toot-text-face))
+    (insert "\n")))
+
+(defun mastodon-tl--render-toot (toot)
+  (let ((id (number-to-string (mastodon-tl--from-toot 'id toot)))
+        (handle (mastodon-tl--from-toot 'acct (mastodon-tl--from-toot 'account toot)))
+        (name (mastodon-tl--from-toot 'display_name (mastodon-tl--from-toot 'account toot)))
+        (text (mastodon-tl--from-toot 'content toot))
+        (url (mastodon-tl--from-toot 'url toot)))
+    (mastodon-tl--render-header handle name id url)
+    (mastodon-tl--render-content text)))
+
+(defun mastodon-tl--render-timeline (buffer json)
+  (with-output-to-temp-buffer buffer
+    (switch-to-buffer buffer)
+    (mapcar 'mastodon-tl--render-toot json))
+  (html2text))
+
+(defun mastodon-tl--get (timeline)
+  (let* ((url (mastodon--api-for (concat "timelines/" timeline)))
+         (tl-buff (concat "*mastodon-" timeline "*"))
+         (tl-json (mastodon-http--get-json url)))
+    (mastodon-tl--render-timeline tl-buff tl-json)))
+
+(provide 'mastodon-tl)
+;;; mastodon-tl.el ends here
diff --git a/lisp/mastodon.el b/lisp/mastodon.el
index 07f9f6c..eb5718c 100644
--- a/lisp/mastodon.el
+++ b/lisp/mastodon.el
@@ -30,6 +30,8 @@
 
 ;;; Code:
 
+(require 'mastodon-auth)
+
 (defgroup mastodon nil
   "Interface with Mastodon."
   :prefix "mastodon-"
@@ -56,11 +58,17 @@
      (concat "mastodon.el v" (buffer-string)))))
 
 ;;;###autoload
+(defun mastodon ()
+  (interactive)
+  (require 'mastodon-tl)
+  (mastodon-tl--get "home"))
+
+;;;###autoload
 (defun mastodon-toot ()
   "Update a Mastodon instance with new toot. Content is captured in a new buffer."
   (interactive)
+  (require 'mastodon-toot)
   (progn
-    (require 'mastodon-toot)
     (switch-to-buffer-other-window (get-buffer-create "*new toot*"))
     (mastodon-toot-mode t)))
 
@@ -69,7 +77,6 @@
   "Registers mastodon.el with the Mastodon instance."
   (interactive)
   (progn
-    (require 'mastodon-auth)
     (mastodon--store-client-id-and-secret)))
 
 (provide 'mastodon)
diff --git a/test/mastodon-tl-tests.el b/test/mastodon-tl-tests.el
new file mode 100644
index 0000000..5571e70
--- /dev/null
+++ b/test/mastodon-tl-tests.el
@@ -0,0 +1,16 @@
+(require 'el-mock)
+(load-file "../lisp/mastodon-tl.el")
+
+(ert-deftest mastodon-tl:from-toot ()
+  "Should return the value for KEY in a list."
+  (should (string= (mastodon-tl--from-toot "foo" '(("foo" . "bar"))) "bar")))
+
+(ert-deftest mastodon-tl:remove-html:remove-p-and-span ()
+  "Should remove <p> and <span> tags that are not parsed by `html2text'."
+  (let ((input "<p>foo<span>bar</span></p>"))
+    (should (string= (mastodon-tl--remove-html input) "foobar\n"))))
+
+(ert-deftest mastodon-tl:remove-html:remove-hcard-span ()
+  "Should remove <span> tags with a class of 'h-card'."
+  (let ((input "<span class=\"h-card\">foobar</span>"))
+    (should (string= (mastodon-tl--remove-html input) "foobar"))))