[ADD] Inventory: Use locations to manage inventory

Author: John Holton (hojo)

content/applications/inventory_and_mrp/inventory/management/warehouses.rst

@@ -9,3 +9,4 @@ Warehouses
    :glob:
 
    warehouses/difference_warehouse_location
+   warehouses/use_locations

content/applications/inventory_and_mrp/inventory/management/warehouses/use_locations.rst

@@ -0,0 +1,58 @@
+=================================
+Use locations to manage inventory
+=================================
+
+A *location* is a specific space within a warehouse. This can be a shelf, room, aisle, etc. There
+are three types of locations in Odoo:
+
+- *Physical locations* are spaces within a warehouse owned by the user's company. These can be a
+  an area where items are stored like an aisle or shelf, or an area where operations take place, like
+  loading and unloading bays.
+- *Partner locations* are the same as physical locations except that they exist within the warehouse
+  of a customer or vendor.
+- *Virtual locations* are locations that do not exist physically, but where items that are not in
+  inventory can be placed. These can be items that have not yet entered inventory, like products that
+  are on the way to a warehouse, or items that are no longer in inventory due to loss or other
+  factors.
+
+.. important::
+  In order to use locations, the :guilabel:`Storage Locations` setting must be enabled from the
+  :guilabel:`Inventory` module by selecting :menuselection:`Configuration --> Settings` and clicking
+  the checkbox under the Warehouse heading.
+
+Create a new location inside a warehouse
+========================================
+
+Starting from the :guilabel:`Inventory` module, select :menuselection:`Configuration --> Locations
+--> Create`. The new location form can then be configured as follows:
+
+- :guilabel:`Location Name`: the name that will be used to reference the location
+- :guilabel:`Parent Location`: the location or warehouse that the new location exists within
+- :guilabel:`Location Type`: choose the category that the location belongs to
+- :guilabel:`Company`: the company that owns the warehouse that the location is inside of
+- :guilabel:`Is a Scrap Location?`: check this box to allow for scrapped/damaged goods to be stored
+  in this location
+- :guilabel:`Is a Return Location?`: check this box to allow products to be returned to this
+  location
+- :guilabel:`Barcode`: the barcode number assigned to the location
+- :guilabel:`Removal Strategy`: the strategy for how items should be taken from inventory
+
+.. image:: use_locations/new_location_form.png
+  :align: center
+  :alt: The form for creating a new location.
+
+Create location hierarchies
+===========================
+
+The :guilabel:`Parent Location` setting on the new location form allows for a location to exist
+within a warehouse or another location. Every location can serve as a parent location, and every
+parent location can have multiple locations within it, allowing for the creation of a virtually
+infinite hierarchical structure.
+
+.. example::
+  Location hierarchy could be organized so that a shelf is located within an aisle, which is located
+  within a room, which is located within the overall warehouse.
+
+To create the location hierarchy in the example above, set the warehouse as the parent of the room,
+the room as the parent of the aisle, and the aisle as the parent of the shelf. This can be adapted
+to a hierarchy of any magnitude.