4a6327e497
* added collapsible code feature * fixed side shadow * fix build errors * change design * make code blocks collapsible
100 lines
2.6 KiB
Plaintext
100 lines
2.6 KiB
Plaintext
export const metadata = {
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title: `${pageNumber} Soft-Deletable Models`,
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}
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# {metadata.title}
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In this document, you'll learn how to create soft-deletable data models.
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## What is a Soft-Deletable Model?
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A soft-deletable data model is a model whose records aren't actually removed from the database when they're deleted.
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Instead, their `deleted_at` field is set to the date the record was deleted.
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When retrieving or listing records of that data model, records having their `deleted_at` field set aren't retrieved unless the `withDeleted` filter is provided.
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---
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## How to Create a Soft-Deletable Model?
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To create a soft-deletable model, first, add the following filter decorator to the data model class:
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```ts title="src/module/hello/models/my-soft-deletable.ts" highlights={[["7"]]} collapsibleLines="1-7" expandButtonLabel="Show Imports"
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// other imports...
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import { Entity, Filter } from "@mikro-orm/core"
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import { DALUtils } from "@medusajs/utils"
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import { BaseEntity } from "@medusajs/utils"
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@Entity()
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@Filter(DALUtils.mikroOrmSoftDeletableFilterOptions)
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class MySoftDeletable extends BaseEntity {
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// ...
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}
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export default MySoftDeletable
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```
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Then, add a `deleted_at` field to the data model:
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```ts highlights={[["7"], ["8"]]}
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// other imports...
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import { Property } from "@mikro-orm/core"
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class MySoftDeletable extends BaseEntity {
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// ...
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@Property({ columnType: "timestamptz", nullable: true })
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deleted_at: Date | null = null
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}
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```
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---
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## Manage Soft-Deletable Models
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Services extending the service factory have methods to soft delete and restore records for all models specified during its creation.
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### Soft Delete a Record
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For example, to soft delete a `MySoftDeletable` record:
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```ts
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await helloModuleService.softDelete([
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"id_123", "id_321",
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])
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```
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The method receives an array of IDs of records to delete.
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### Retrieve Soft-Deleted Records
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The `retrieve`, `list`, and `listAndCount` methods accept as a second parameter a configuration object.
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To retrieve soft-deleted records, set `withDeleted` to `true` in the configuration object passed as a second parameter.
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For example:
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```ts
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const deletedRecords = await helloModuleService
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.listMySoftDeletables({
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// ...
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}, {
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withDeleted: true,
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})
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```
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### Restore a Soft-Deleted Record
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To restore a `MySoftDeletable` record:
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```ts
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await helloModuleService.restore([
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"id_123", "id_321",
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])
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```
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The method also receives an array of IDs of records to restore.
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If the data model isn't the main data model, its method names are `softDelete` and `restore` suffixed with the plural name of the model. For example, `softDeleteMySoftDeletable`.
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