From d8c30ea4053db067e93d56d1fd46074cd3058031 Mon Sep 17 00:00:00 2001
From: Oscar Najera <hi@oscarnajera.com>
Date: Fri, 25 Oct 2024 00:56:26 +0200
Subject: grocy add to shopping list

---
 elisp/grocy.el | 73 ++++++++++++++++++++++++++++++++++++----------------------
 1 file changed, 45 insertions(+), 28 deletions(-)

(limited to 'elisp')

diff --git a/elisp/grocy.el b/elisp/grocy.el
index c974cb3..4a9b444 100644
--- a/elisp/grocy.el
+++ b/elisp/grocy.el
@@ -21,8 +21,6 @@
 
 (require 'url)
 (require 'dash)
-(require 'yaml)
-(require 'yaml-mode)
 
 ;; Silence byte-compiler.
 (defvar url-http-end-of-headers)
@@ -155,10 +153,39 @@ Set METHOD to other request types and include the already encoded DATA."
                    result)
            (setq tabulated-list-entries))
          (local-set-key "e" #'grocy-update-product)
+         (local-set-key "a" #'grocy-add-product-shopping-list)
          (tabulated-list-init-header)
          (tabulated-list-print)
          (display-buffer (current-buffer)))))))
 
+(defun grocy--message-error-reply (status)
+  "Display `url-retrieve' response buffer and error STATUS."
+  (when status
+    (goto-char url-http-end-of-headers)
+    (json-pretty-print (point) (point-max))
+    (message "%S" status)
+    (display-buffer (current-buffer))))
+
+(defun grocy-add-product-shopping-list ()
+  "Add selected product to first shopping list."
+  (interactive)
+  (let* ((product (tabulated-list-get-id))
+         (id (gethash "id" product))
+         (name (gethash "name" product)))
+    (with-current-buffer (get-buffer-create "* Grocy add product to shopping list *")
+      (erase-buffer)
+      (emacs-lisp-mode)
+      (insert (format ";; %s\n(:product_id %d\n:list_id 1\n:product_amount 1\n;; :note \"\"\n)\n" name id))
+      (keymap-local-set "C-c C-c"
+                        (lambda () (interactive)
+                          (grocy--request
+                           "stock/shoppinglist/add-product"
+                           #'grocy--message-error-reply
+                           "POST"
+                           (grocy-buffer-obj->json (current-buffer)))
+                          (kill-buffer)))
+      (switch-to-buffer (current-buffer)))))
+
 (defun grocy-update-product ()
   "Update form for currently selected product."
   (interactive)
@@ -188,51 +215,41 @@ Set METHOD to other request types and include the already encoded DATA."
         (json-encode)
         (encode-coding-string 'utf-8)))))
 
-(defun grocy-buffer-yaml->json (buffer)
-  "Read the YAML on BUFFER and encode it to json."
-  (with-current-buffer buffer
-    (thread-first
-      (buffer-string)
-      (yaml-parse-string)
-      (json-encode)
-      (encode-coding-string 'utf-8))) )
-
 (defun grocy-update-object (object-endpoint)
   "Update on the OBJECT-ENDPOINT with the Lisp object on buffer."
   (grocy--request
    (format "objects/%s" object-endpoint)
-   (lambda (status)
-     (when status
-       (message "%S\n%S" status (buffer-string))))
+   #'grocy--message-error-reply
    "PUT"
    (grocy-buffer-obj->json (current-buffer))))
 
 (defun grocy-new-product ()
+  "Add new product to the database."
   (interactive)
   (with-current-buffer (get-buffer-create  "* Grocy new product *")
     (erase-buffer)
-    (yaml-mode)
+    (emacs-lisp-mode)
     (keymap-local-set
      "C-c C-c"
      (lambda () (interactive)
        (grocy--request
         "objects/products"
-        (lambda (status)
-          (message "%S\n%S" status (buffer-string)))
+        #'grocy--message-error-reply
         "POST"
-        (grocy-buffer-yaml->json (current-buffer)))))
-    (insert "name: \n# ")
+        (grocy-buffer-obj->json (current-buffer)))
+       (kill-buffer)))
+    (insert "(\n:name \n;; ")
     (maphash (lambda (key val) (insert (format "%d:'%s' " key (car val)))) grocy-locations)
-    (insert "\nlocation_id: \n\# ")
+    (insert "\n:location_id \n;; ")
     (maphash (lambda (key val) (insert (format "%d:'%s' " key (car val)))) grocy-units)
-    (insert "\nqu_id_stock: 3
-qu_id_purchase: 3
-qu_id_consume: 3
-qu_id_price: 3
-
-min_stock_amount: 0
-default_best_before_days: -1"))
-  (grocy-buffer-yaml->json (current-buffer)))
+    (insert "\n:qu_id_stock 3
+:qu_id_purchase 3
+:qu_id_consume 3
+:qu_id_price 3
+
+:min_stock_amount 0
+:default_best_before_days -1\n)")
+    (switch-to-buffer (current-buffer))))
 
 ;; To do mass edit of things
 ;; (grocy--request
-- 
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