[ADD] sales: gelato integration

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Update content/applications/sales/sales/gelato.rst

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closes odoo/documentation#12001

Signed-off-by: Dina Klarisse Dugar (dikd) <dikd@odoo.com>
Co-authored-by: Felicia Kuan <feku@odoo.com>
Co-authored-by: Felicia Kuan <feku@odoo.com>
Co-authored-by: Felicia Kuan <feku@odoo.com>
Co-authored-by: Felicia Kuan <feku@odoo.com>
Co-authored-by: Zachary Straub <zst@odoo.com>
Co-authored-by: Sam Lieber (sali) <36018073+samueljlieber@users.noreply.github.com>
Co-authored-by: Sam Lieber (sali) <36018073+samueljlieber@users.noreply.github.com>

content/applications/sales/sales.rst

@@ -21,3 +21,4 @@ deliver and invoice what has been sold.
    sales/products_prices
    sales/amazon_connector
    sales/shopee_connector
+   sales/gelato

content/applications/sales/sales/gelato.rst

@@ -1,7 +1,167 @@
-:orphan:
-
 ======
 Gelato
 ======
 
-The documentation for Gelato will be added soon.
+Gelato is a global print-on-demand platform that integrates with Odoo to sync product catalogs and
+automate order fulfillment.
+
+Connecting Gelato's services with Odoo's **Sales** and **eCommerce** apps enables the following:
+
+- Sync Odoo sales orders with Gelato for automated order fulfillment
+- Create and manage Gelato products within Odoo; supports product variant and image sync
+- Configure delivery options in Odoo and receive order updates via webhooks.
+
+Configuration
+=============
+
+.. important::
+   The company information (*Company name* and *Billing address*) in the Gelato account *must* match
+   the company information in the Odoo database in order for sales orders to be confirmed and sent
+   to Gelato for fulfillment.
+
+   .. image:: gelato/gelato-company.png
+      :alt: Company information in Gelato.
+
+   .. image:: gelato/odoo-company.png
+      :alt: Company information in Odoo.
+
+Configure API keys and webhooks in Gelato
+-----------------------------------------
+
+Before configuring the Gelato connector in Odoo, first obtain API credentials and webhooks from the
+Gelato account.
+
+API connectors enable Odoo **Sales** to send and receive data from Gelato for order processing,
+while webhooks provide real-time updates on order status and shipment tracking.
+
+API Key
+~~~~~~~
+
+An API Key is a unique authentication token that allows Odoo to securely communicate with Gelato's
+API, enabling order transmission, status updates, and data synchronization.
+
+After logging into Gelato, click :icon:`fa-code` :guilabel:`Developer` in the left menu bar. From
+here, click on :guilabel:`API keys`. In the new page, click the :guilabel:`Add API Key` button to
+open a new API key form. Type in a name, then click :guilabel:`Create Key`.
+
+Copy the generated API key using :guilabel:`Copy to Clipboard`.
+
+.. image:: gelato/gelato-api-key.png
+   :alt: Newly generated API key in the Gelato platform.
+
+.. important::
+   Copy the API key and store it somewhere safe and secure before leaving this page. Once the page
+   is refreshed or exited, the key will not be available to copy.
+
+   If the key cannot be copied or is lost, return to the :guilabel:`API key` page and start over,
+   creating a new API key.
+
+Webhook
+~~~~~~~
+
+A webhook is an automated notification system that instantly updates Odoo when Gelato processes,
+ships, or delivers an order, ensuring real-time tracking and minimal manual intervention.
+
+To create a webhook, go to :menuselection:`Developer --> Webhooks` under the :guilabel:`Developer`
+drop-down menu in the left menu bar. In the new page, click :guilabel:`Add Webhook` to open a
+:guilabel:`Create Webhook` form.
+
+The webhook form requires several specific configurations:
+
+- :guilabel:`URL`: This tells Gelato where to send the order updates in Odoo. Copy and paste the
+  Odoo database URL with the additional suffix `/gelato/webhook`.
+
+  .. example::
+     `https://stealthywood.odoo.com/odoo/gelato/webhook`
+
+- :guilabel:`Events`: Click into the field and select :guilabel:`order_status_updated`. Selecting
+  :guilabel:`order_status_updated` ensures Odoo receives order changes automatically.
+- :guilabel:`Method`: Click into the field and select the :guilabel:`HTTP Post` option, as this is
+  the request method used to send data from Gelato to Odoo.
+- Tick the checkbox next to :guilabel:`I want to take Authorization to this webhook`.
+- :guilabel:`Header Name`: In this field, type in `signature` to match the field in Odoo.
+- Click :guilabel:`Generate Key` to generate a :guilabel:`Header Value`.
+- Click :guilabel:`Create` to complete this webhook configuration.
+
+.. image:: gelato/gelato-webhook.png
+   :alt: Newly configured webhook in the Gelato platform.
+
+.. tip::
+   Copy and paste the API key and webhook on a notepad before tabbing out of the Gelato webpage as
+   backup.
+
+Configure Gelato connector in Odoo
+----------------------------------
+
+In Odoo, navigate to :menuselection:`Sales app --> Configuration --> Settings`, then scroll to the
+:guilabel:`Connectors` section. Enable the :guilabel:`Gelato` connector by ticking the checkbox.
+Next, paste the newly generated API keys and webhook secret key into their respective fields. Once
+saved, Gelato is available in Odoo **Sales** and **eCommerce** products.
+
+Synchronizing Gelato products with Odoo Sales
+=============================================
+
+It is recommended to have products already configured in Gelato before configuring them in Odoo. To
+get the product ID in Gelato, navigate to the :guilabel:`Templates` page from the side bar menu.
+Select which product to synchronize in Odoo, then hover over the product card to reveal the
+:icon:`fa-ellipsis-v` :guilabel:`(vertical ellipsis)` menu icon. Click the menu icon, then click
+:guilabel:`Copy Template ID` to copy the product template ID to the clipboard.
+
+.. seealso::
+   `Start selling products with Gelato: Quick & easy setup
+   <https://www.gelato.com/blog/get-started-with-gelato-creating-products>`_
+
+
+Odoo Sales product
+------------------
+
+To create a product in Odoo that matches the Gelato one, navigate to :menuselection:`Sales app -->
+Products --> Products`, select :guilabel:`New` to create a new product form. Type in the product
+:guilabel:`Name`, then navigate to the :guilabel:`Sales` tab. Find the :guilabel:`Gelato` section,
+then click into the :guilabel:`Template Reference` field and paste the copied template ID from the
+Gelato product. Finally, click :guilabel:`Synchronize`.
+
+Successful synchronization pulls the Gelato product variant options into the newly configured Odoo
+product.
+
+In the new :guilabel:`Print Images` field, click the :guilabel:`default` marker to set a default
+product image. Click the :icon:`fa-pencil` :guilabel:`(edit)` icon and select the product image file
+to upload, then :guilabel:`Save & Close`.
+
+.. important::
+   The :guilabel:`Print Images` field *must* be configured on the product before it can be ordered.
+
+Product variants
+----------------
+
+To view and edit the newly synchronized product variants, navigate to the :guilabel:`Attributes &
+Variants` tab, which will have the variants pulled from the Gelato product configuration. Click the
+:guilabel:`Configure` button to edit and configure the variant images, delivery methods, additional
+pricing, etc.
+
+Order a Gelato product from Odoo
+--------------------------------
+
+Once synchronized, Gelato products are available to order in Odoo through :doc:`sales quotations
+<send_quotations>` or on the **eCommerce** store. Gelato delivery options are automatically
+synchronized upon API and webhook configuration.
+
+To add Gelato delivery, click :guilabel:`Add shipping` on the sales order. Select
+:guilabel:`Standard Delivery` or :guilabel:`Express Delivery` in the :guilabel:`Shipping Method`
+field, then click :guilabel:`Get rate`.
+
+Once the quotation is confirmed, it becomes an active sales order, and the order is sent to Gelato
+for fulfillment. Once a sales order is sent from Odoo to Gelato, Gelato processes the order,
+produces the product at the nearest fulfillment center, and ships it directly to the end-customer.
+
+.. seealso::
+   :doc:`send_quotations/create_quotations`
+
+.. important::
+   When creating a sales order for Gelato products in the database, only Gelato products can be
+   added to the same sales order. Multivendor orders are not available with the Gelato connector at
+   this time.
+
+.. important::
+   For **eCommerce** orders, deliver methods must be manually published on the website for them to
+   appear at checkout.