Refactor JSON functions

mattermost.el

@@ -45,13 +45,18 @@
   "Returns a keyword from a string"
   (read (concat ":" str)))
 
-(defun mattermost-parse-json ()
+(defun mattermost-json-parse-string (string)
+  "Parses a JSON string"
+  (with-temp-buffer
+    (insert string)
+    (beginning-of-buffer)
+    (mattermost-read-json)))
+
+(defun mattermost-read-json ()
   "Parses the JSON in the current buffer after a url-request"
   (let ((json-object-type 'plist)
         (json-array-type 'list)
         (json-key-type 'keyword))
-    (with-current-buffer (get-buffer-create "asdf")
-      (insert (format "%s" (buffer-string))))
     (goto-char url-http-end-of-headers)
     (json-read)))
 
@@ -116,7 +121,7 @@ if the user is not present"
       (beginning-of-buffer)
       (search-forward "Token: ")
       (let ((token (word-at-point))
-            (response (mattermost-parse-json)))
+            (response (mattermost-read-json)))
         (setq mattermost-token token)
         (setq mattermost-user-id (plist-get response :id))
         (mattermost--connect-websocket)
@@ -131,7 +136,7 @@ if the user is not present"
     (if mattermost-token
         (add-to-list 'url-request-extra-headers `("Authorization" . ,(concat "Bearer " mattermost-token))))
     (with-current-buffer (url-retrieve-synchronously (concat mattermost-server-url "/api/v4" url) t)
-      (mattermost-parse-json))))
+      (mattermost-read-json))))
 
 (defun mattermost-get-user (user-id)
   "Returns the user information"
@@ -154,7 +159,7 @@ if the user is not present"
 ;; ToDo: define this better
 (defvar mattermost-mode-map
   (let ((map (make-sparse-keymap)))
-    (define-key map (kbd "C-c f") '(lambda () (interactive) (message "keyyyy")))
+    (define-key map (kbd "C-c f") #'(lambda () (interactive) (message "keyyyy")))
     map)
   "The keymap for mattermost-mode")
 
@@ -201,7 +206,8 @@ user to check their status and select between them")
   (unless (null mattermost-websocket)
     (websocket-close mattermost-websocket))
   (setq mattermost-token nil
-        mattermost-user-id nil))
+        mattermost-user-id nil
+        mattermost-websocket nil))
 
 (provide 'mattermost)
 ;;; mattermost.el ends here