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chore: merge docs from master to develop (#3650)

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* Fix issue on fixed total amount discount when using includes tax (#3472)

The calculation of the fixed discount amount breaks when having includes_tax setting active, due to the line item totals are incorrect and returning everything as 0, thus the totalItemPercentage will be Infinitiy due to the division by a subtotal of 0

* chore: Add missing changeset for @medusajs/medusa

* feat(medusa): Improve performance of Products domain (#3417)

* feat(medusa): Improve product update performances

* fix tests and update

* update mock repo

* improve repo

* cleanup

* fix

* cleanup + bulk emit + unit test fix

* improvements

* improve

* fix unit tests

* fix export

* fix product update handler

* enhance mock repo

* fix import integration

* fix end point tests

* revert mock repo product variant

* fix unit

* cleanup

* cleanup

* address feedback

* fix quotes in tests

* address feedback

* Create new-tips-mate.md

* use types

* chore: Remove integration-tests from changeset

* chore(release): v1.7.14

* chore(docs): Generated Docs Announcement Bar (automated) (#3489)

Co-authored-by: olivermrbl <olivermrbl@users.noreply.github.com>

* fix(medusa): EventBusService.emit using Redis mock (#3491)

* Fix eventBusService.emit using redis mock

* revert gitignore

* enqueuer

* unit test add redis_url

* fix test

* chore(docs): Generated Services Reference (automated) (#3490)

Co-authored-by: olivermrbl <olivermrbl@users.noreply.github.com>

* docs: publish restructure (#3496)

* docs: added features and guides overview page

* added image

* added version 2

* added version 3

* added version 4

* docs: implemented new color scheme

* docs: redesigned sidebar (#3193)

* docs: redesigned navbar for restructure (#3199)

* docs: redesigned footer (#3209)

* docs: redesigned cards (#3230)

* docs: redesigned admonitions (#3231)

* docs: redesign announcement bar (#3236)

* docs: redesigned large cards (#3239)

* docs: redesigned code blocks (#3253)

* docs: redesigned search modal and page (#3264)

* docs: redesigned doc footer (#3268)

* docs: added new sidebars + refactored css and assets (#3279)

* docs: redesigned api reference sidebar

* docs: refactored css

* docs: added code tabs transition

* docs: added new sidebars

* removed unused assets

* remove unusued assets

* Fix deploy errors

* fix incorrect link

* docs: fixed code responsivity + missing icons (#3283)

* docs: changed icons (#3296)

* docs: design fixes to the sidebar (#3297)

* redesign fixes

* docs: small design fixes

* docs: several design fixes after restructure (#3299)

* docs: bordered icon fixes

* docs: desgin fixes

* fixes to code blocks and sidebar scroll

* design adjustments

* docs: restructured homepage (#3305)

* docs: restructured homepage

* design fixes

* fixed core concepts icon

* docs: added core concepts page (#3318)

* docs: restructured homepage

* design fixes

* docs: added core concepts page

* changed text of different components

* docs: added architecture link

* added missing prop for user guide

* docs: added regions overview page (#3327)

* docs: added regions overview

* moved region pages to new structure

* docs: fixed description of regions architecture page

* small changes

* small fix

* docs: added customers overview page (#3331)

* docs: added regions overview

* moved region pages to new structure

* docs: fixed description of regions architecture page

* small changes

* small fix

* docs: added customers overview page

* fix link

* resolve link issues

* docs: updated regions architecture image

* docs: second-iteration fixes (#3347)

* docs: redesigned document

* design fixes

* docs: added products overview page (#3354)

* docs: added carts overview page (#3363)

* docs: added orders overview (#3364)

* docs: added orders overview

* added links in overview

* docs: added vercel redirects

* docs: added soon badge for cards (#3389)

* docs: resolved feedback changes + organized troubleshooting pages (#3409)

* docs: resolved feedback changes

* added extra line

* docs: changed icons for restructure (#3421)

* docs: added taxes overview page (#3422)

* docs: added taxes overview page

* docs: fix sidebar label

* added link to taxes overview page

* fixed link

* docs: fixed sidebar scroll (#3429)

* docs: added discounts overview (#3432)

* docs: added discounts overview

* fixed links

* docs: added gift cards overview (#3433)

* docs: added price lists overview page (#3440)

* docs: added price lists overview page

* fixed links

* docs: added sales channels overview page (#3441)

* docs: added sales overview page

* fixed links

* docs: added users overview (#3443)

* docs: fixed sidebar border height (#3444)

* docs: fixed sidebar border height

* fixed svg markup

* docs: added possible solutions to feedback component (#3449)

* docs: added several overview pages + restructured files (#3463)

* docs: added several overview pages

* fixed links

* docs: added feature flags + PAK overview pages (#3464)

* docs: added feature flags + PAK overview pages

* fixed links

* fix link

* fix link

* fixed links colors

* docs: added strategies overview page (#3468)

* docs: automated upgrade guide (#3470)

* docs: automated upgrade guide

* fixed vercel redirect

* docs: restructured files in docs codebase (#3475)

* docs: restructured files

* docs: fixed eslint exception

* docs: finished restructure loose-ends (#3493)

* fixed uses of backend

* docs: finished loose ends

* eslint fixes

* fixed links

* merged master

* added update instructions for v1.7.12

* docs: fixed discount details (#3499)

* docs: fix trailing slash causing 404 (#3508)

* docs: fix error during navigation (#3509)

* docs: removed the gatsby storefront guide (#3527)

* docs: removed the gatsby storefront guide

* docs: fixed query value

* chore(docs): Removed Docs Announcement Bar (automated) (#3536)

Co-authored-by: shahednasser <shahednasser@users.noreply.github.com>

* fix(medusa): Variant update should include the id for the listeners to be able to identify the entity (#3539)

* fix(medusa): Variant update should include the id for the listeners to be able to identify the entity

* fix unit tests

* Create brave-seahorses-film.md

* docs: fix admin redirects (#3548)

* chore(release): v1.7.15

* chore(docs): Generated Docs Announcement Bar (automated) (#3550)

Co-authored-by: olivermrbl <olivermrbl@users.noreply.github.com>

* chore(docs): Generated Services Reference (automated) (#3551)

Automated changes by [create-pull-request](https://github.com/peter-evans/create-pull-request) GitHub action

Co-authored-by: Oliver Windall Juhl <59018053+olivermrbl@users.noreply.github.com>

* chore: updated READMEs of plugins (#3546)

* chore: updated READMEs of plugins

* added notice to plugins

* docs: added a deploy guide for next.js storefront (#3558)

* docs: added a deploy next.js guide

* docs: fix image zoom

* docs: fixes to next.js deployment guide to vercel (#3562)

* chore(workflows): Enable manual workflow in pre-release mode (#3566)

* chore(docs): Removed Docs Announcement Bar (automated) (#3598)

Co-authored-by: shahednasser <shahednasser@users.noreply.github.com>

* fix(medusa): Rounding issues on line item adjustments (#3446)

* chores(medusa): Attempt to fix discount rounding issues

* add migration

* update entities

* apply multipler factor properly

* fix discount service

* WIP

* fix rounding issues in discounts

* fix some tests

* Exclude raw_discount_total from responses

* fix adjustments

* cleanup response

* fix

* fix draft order integration

* fix order integration

* fix order integration

* address feedback

* fix test

* Create .changeset/polite-llamas-sit.md

* remove comment

---------

Co-authored-by: Oliver Windall Juhl <59018053+olivermrbl@users.noreply.github.com>

* chore(workflows): Add release notification (#3629)

---------

Co-authored-by: pepijn-vanvlaanderen <pepijn@webbers.com>
Co-authored-by: olivermrbl <oliver@mrbltech.com>
Co-authored-by: Adrien de Peretti <adrien.deperetti@gmail.com>
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: olivermrbl <olivermrbl@users.noreply.github.com>
Co-authored-by: Carlos R. L. Rodrigues <37986729+carlos-r-l-rodrigues@users.noreply.github.com>
Co-authored-by: shahednasser <shahednasser@users.noreply.github.com>
Co-authored-by: Oliver Windall Juhl <59018053+olivermrbl@users.noreply.github.com>
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Shahed Nasser
2023-03-31 09:34:38 +02:00
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co-authored by olivermrbl shahednasser Oliver Windall Juhl pepijn-vanvlaanderen olivermrbl Adrien de Peretti github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com> Carlos R. L. Rodrigues
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---
description: 'Learn about the discount architecture in the Medusa backend. Discounts are used to offer promotions to the user for marketing purposes.'
---
# Discounts Architecture
In this document, you’ll learn about Discounts architecture and how it works.
## What are Discounts
Discounts allow you to offer promotions to your users generally for marketing purposes. Customers can apply a discount code to their checkout flow to use the discount if it’s valid for them.
Discounts can be limited by a set of configurations and conditions. For example, you can indicate how many times a discount can be used or by which customer group. You can also specify which products this discount can be used with, among other conditions.
### Discount Types
There are three types of discounts:
1. Percentage discount: remove a percentage of the price every product in the cart that the discount can be applied to.
2. Fixed discount: remove a fixed amount either of the customer’s total checkout amount or of the price every product in the cart that the discount can be applied to.
3. Free shipping discount: remove any shipping amount from the customer’s order during checkout.
### Example Use Cases
Discounts can be used in many use cases including:
1. Applying discounted amounts for wholesale or B2B customers.
2. Creating a sale within a specific period of time (for example, a summer sale).
3. Give your customers free shipping for a limited time.
---
## Discount Entity Overview
A discount is represented by the [`Discount`](../../references/entities/classes/Discount.md) entity. Some of its important attributes are:
- `code` is a unique code that you specify when you create the discount. Customers use this code to apply the discount during checkout. The code can only include upper-case letters and numbers.
- `rule_id` is the ID of the rule of this discount. The `rule` attribute is the expanded object of the `DiscountRule` entity. You can use the `rule` attribute to get details regarding the discount type. You can learn more about this in the [`DiscountRule` entity overview](#discountrule-entity-overview) later.
- `is_disabled` is a boolean value that indicates whether this discount is published or not.
- `regions` are the regions this discount can be used in.
- `starts_at` and `ends_at` are timestamps that indicate when the discount starts and ends. If no expiry date is set for the discount, `ends_at` will be `null`.
- `usage_limit` is the number of times the discount can be used. If there is no limit the value will be `null`.
- `usage_count` is the number of times the discount has been used.
### Dynamic Discounts
Dynamic discounts are a set of discount conditions and configurations that you can reuse across many discounts.
After creating a dynamic discount, you can use it to create “child” discounts. Child discounts have the same conditions and configurations as the “parent” dynamic discount but with a different discount code.
The `is_dynamic` attribute in the `Discount` entity is a boolean value that determines whether the discount is dynamic or not. Child discounts are related to the parent discount using the `parent_discount_id` attribute which is a foreign key to the same `Discount` entity.
---
## DiscountRule Entity Overview
Every `Discount` entity belongs to a [`DiscountRule`](../../references/entities/classes/DiscountRule.md) entity. `DiscountRule` includes details such as the type of discount, the amount to be discounted, and more.
Some of the `DiscountRule` entity’s important attributes are:
- `type` is an enum string indicating the type of the discount. It must be either `fixed`, `percentage`, or `free_shipping`.
- `value` is the value to be discounted. The value of this depends on the value of `type`:
- If `type` is `fixed`, `value` will be the amount to be removed either from the total or from each product this discount is applied to.
- If `type` is `percentage`, `value` will be the percentage to be removed from each product this discount is applied to.
- If `type` is `free_shipping`, `value` will be 0.
- `conditions` is an array of all discount conditions, if there are any.
---
## DiscountCondition Entity Overview
A discount can optionally have discount conditions. Discount conditions are used to further add limitations on when the discount can be applied.
A [`DiscountCondition`](../../references/entities/classes/DiscountCondition.md) belongs to a `DiscountRule` entity. The `discount_rule_id` attribute indicates the ID of the `DiscountRule` it belongs to.
Discount conditions have an attribute `type` that indicates the condition’s type. Its value must be one of the following:
- `products` means the condition applies to products.
- `product_types` means the condition applies to product types.
- `product_collections` means the condition applies to product collections.
- `product_tags` means the condition applies to product tags.
- `customer_groups` means the condition applies to customer groups.
Each condition type can be used for one condition in a discount. For example, you can add only one `product` discount condition to a discount.
Discount conditions also have an attribute `operator` that indicates how the condition should be applied. It must have one of the following values:
- `in` means the discount can be applied only for the items specified in the condition. For example, if the `type` is `product` and the `operator` is `in`, it means this condition defines which products must be available in the customer’s cart for the discount to apply.
- `not_in` means the discount can be applied for all items except those specified in the condition. For example, if the `type` is `product` and the `operator` is `not_in`, it means that the discount can be applied to any item in the cart that's not specified in the condition.
### Condition Type Relations
Based on the value of `type`, one of the following relations can be used to retrieve the condition’s items:
- `products` is an array of products that this condition applies to if the condition’s `type` is `products`. Each item of the array would be a [`DiscountConditionProduct`](../../references/entities/classes/DiscountConditionProduct.md).
- `product_types` is an array of product types that this condition applies to if the condition’s `type` is `product_types`. Each item of the array would be a [`DiscountConditionProductType`](../../references/entities/classes/DiscountConditionProductType.md).
- `product_collections` is an array of product types that this condition applies to if the condition’s `type` is `product_collections`. Each item of the array would be a [`DiscountConditionProductCollection`](../../references/entities/classes/DiscountConditionProductCollection.md).
- `product_tags` is an array of product types that this condition applies to if the condition’s `type` is `product_tags`. Each item of the array would be a [`DiscountConditionProductTag`](../../references/entities/classes/DiscountConditionProductTag.md).
- `customer_groups` is an array of product types that this condition applies to if the condition’s `type` is `customer_groups`. Each item of the array would be a [`DiscountConditionCustomerGroup`](../../references/entities/classes/DiscountConditionCustomerGroup.md).
![Discounts Architecture](https://res.cloudinary.com/dza7lstvk/image/upload/v1678372360/Medusa%20Docs/Diagrams/discounts_ioivrl.png)
---
## See Also
- [Manage discounts using the admin APIs](./admin/manage-discounts.mdx)
- [Use discounts on the storefront](./storefront/use-discounts-in-checkout.mdx)