api-ref: custom API reference (#4770)

* initialized next.js project

* finished markdown sections

* added operation schema component

* change page metadata

* eslint fixes

* fixes related to deployment

* added response schema

* resolve max stack issue

* support for different property types

* added support for property types

* added loading for components

* added more loading

* type fixes

* added oneOf type

* removed console

* fix replace with push

* refactored everything

* use static content for description

* fixes and improvements

* added code examples section

* fix path name

* optimizations

* fixed tag navigation

* add support for admin and store references

* general enhancements

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* added search bar

* loading enhancements

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* added code blocks

* added margin top

* add empty response text

* fixed oneOf parameters

* added path and query parameters

* general fixes

* added base path env variable

* small fix for arrays

* enhancements

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* fix isRequired

* added enum values

* enhancements

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* changed oas generation script

* additions to the introduction section

* added copy button for code + other enhancements

* fix response code block

* fix metadata

* formatted store introduction

* move sidebar logic to Tags component

* added test env variables

* fix code block bug

* added loading animation

* added expand param + loading

* enhance operation loading

* made responsive + improvements

* added loading provider

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* adjustments for small devices

* added sidebar label for endpoints

* added feedback component

* fixed analytics

* general fixes

* listen to scroll for other headings

* added sample env file

* update api ref files + support new fields

* fix for external docs link

* added new sections

* fix last item in sidebar not showing

* move docs content to www/docs

* change redirect url

* revert change

* resolve build errors

* configure rewrites

* changed to environment variable url

* revert changing environment variable name

* add environment variable for API path

* fix links

* fix tailwind settings

* remove vercel file

* reconfigured api route

* move api page under api

* fix page metadata

* fix external link in navigation bar

* update api spec

* updated api specs

* fixed google lint error

* add max-height on request samples

* add padding before loading

* fix for one of name

* fix undefined types

* general fixes

* remove response schema example

* redesigned navigation bar

* redesigned sidebar

* fixed up paddings

* added feedback component + report issue

* fixed up typography, padding, and general styling

* redesigned code blocks

* optimization

* added error timeout

* fixes

* added indexing with algolia + fixes

* fix errors with algolia script

* redesign operation sections

* fix heading scroll

* design fixes

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* fix padding + scroll issues

* fix scroll issues

* improve scroll performance

* fixes for safari

* optimization and fixes

* fixes to docs + details animation

* padding fixes for code block

* added tab animation

* fixed incorrect link

* added selection styling

* fix lint errors

* redesigned details component

* added detailed feedback form

* api reference fixes

* fix tabs

* upgrade + fixes

* updated documentation links

* optimizations to sidebar items

* fix spacing in sidebar item

* optimizations and fixes

* fix endpoint path styling

* remove margin

* final fixes

* change margin on small devices

* generated OAS

* fixes for mobile

* added feedback modal

* optimize dark mode button

* fixed color mode useeffect

* minimize dom size

* use new style system

* radius and spacing design system

* design fixes

* fix eslint errors

* added meta files

* change cron schedule

* fix docusaurus configurations

* added operating system to feedback data

* change content directory name

* fixes to contribution guidelines

* revert renaming content

* added api-reference to documentation workflow

* fixes for search

* added dark mode + fixes

* oas fixes

* handle bugs

* added code examples for clients

* changed tooltip text

* change authentication to card

* change page title based on selected section

* redesigned mobile navbar

* fix icon colors

* fix key colors

* fix medusa-js installation command

* change external regex in algolia

* change changeset

* fix padding on mobile

* fix hydration error

* update depedencies
This commit is contained in:
Shahed Nasser
2023-08-15 18:07:54 +03:00
committed by GitHub
parent 16249ec280
commit 914d773d3a
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---
description: "In this document, youll learn about the inventory module, how it works, and its relation to other processes in your commerce application."
---
# Stock Level Module
In this document, youll learn about the Stock Level module and how it works.
## Overview
A stock location indicates a physical address that stock-kept items can be stored in. The stock location module handles functionalities related to managing stock locations and their addresses.
Medusa's Stock Location module is a standalone module that can be used in any commerce application, not just in a Medusa backend. This document gives a general overview of how the stock location module is designed, and highlights how the Medusa core orchestrates relations around this module when it's used with the Medusa backend.
---
## StockLocation Entity
The `StockLocation` entity represents a stock location. It has minimal attributes including a `name` attribute. Its associated with the `StockLocationAddress` entity.
---
## StockLocationAddress Entity
The `StockLocationAddress` is an entity that contains address-related fields, such as `city` or `country_code`.
The `StockLocationAddress` entity belongs to the `StockLocation` entity. It is used to store the address details of a stock location.
---
## How the Module Integrates into Medusa
This section explains how the Medusa backend uses the stock location module along with its entities and other modules.
### Entities Relation Overview
The following entities in the Medusa backend each have an attribute that is used to associate them with a stock location:
- `Fulfillment`: The `location_id` attribute within the `Fulfillment` entity is used to indicate from which stock location an order item is fulfilled.
- `Return`: The `location_id` attribute within the `Return` entity is used to indicate to which stock location an order item is returned.
- `Store`: The `default_location_id` attribute within the `Store` entity is used to indicate the default stock location to use in the ecommerce store.
- `SalesChannelLocation`: This entity is used to attach a stock location to a `SalesChannel`. The relation between these two entities is explained further in the [Relation to Sales Channel section](#relation-to-saleschannel).
When the Medusa's Stock Location module is used with the Medusa backend, the ID that is associated with the attributes mentioned above is from the `StockLocation` module.
The Medusa backend also orchestrates between different modules. The [Inventory Module](./inventory-module.md)'s entities contain the following attributes to handle associations between them and a stock location:
- `InventoryLevel`: This entity is used to indicate the stocked quantity of an inventory item in a stock location. As explained in the [Inventory Module documentation](./inventory-module.md#inventorylevel), the `InventoryLevel` entity has an attribute `location_id`.
- `ReservationItem`: This entity is used to indicate the reserved quantity of an inventory item in a stock location. As explained in the [Inventory Module documentation](./inventory-module.md#reservationitem), the `ReservationItem` entity has an attribute `location_id`.
When both modules are used within the Medusa backend, the Medusa backend bridges between these modules by passing the ID of a `StockLocation` from the stock location module to the inventory module, and the inventory module uses the ID in its entities.
### Relation to SalesChannel
A stock location can be associated with more than one sales channel. For example, a physical store and an online store can use the same stock location.
As the `StockLocation` and `SalesChannel` entities are available in separate modules, the Medusa backend handles attaching the stock location with the sales channel within the `SalesChannelLocation` entity.
This relation is used across the Medusa backend and within checkout and order workflows:
- When checking the availability of an inventory item during checkout, the Medusa backend retrieves the location IDs that are associated with the carts sales channel using the `SalesChannelLocation`, then passes it along to the inventory module to perform the quantity check.
- When an order is placed, the Medusa backend retrieves the location IDs that are associated with the carts sales channel using the `SalesChannelLocation` entity, and passes it to the inventory module that reserves the ordered quantity of the inventory item from that location. The admin can later change the stock location if necessary.
- When an item in an order is fulfilled, the admin chooses a stock location to fulfill the item from. Similarly, when an item in an order is returned, the admin can choose a stock location to return the item to. The Medusa backend then passes the ID of the location from the stock module to the inventory module to perform inventory management functionalities.