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Version: 1.0.0

Saving and deleting callbacks

When you are saving an entity you can attach different callbacks before and after it gets saved: onPreSave, onSaveSuccess and onSaveFailure.

These callbacks are defined at the collection level under the prop callbacks.

This is useful if you need to add some logic or edit some fields before/after saving or deleting entities.

All callbacks are asynchronous.

note

You can stop the execution of these callbacks by throwing an Error containing a string and an error snackbar will be displayed.

import React from "react";

import {
buildCollection,
EntityOnDeleteProps,
EntityOnSaveProps
} from "@camberi/firecms";

type Product = {
name: string;
uppercase_name: string;
}

const productSchema = buildCollection<Product>({

name: "Product",
properties: {
name: {
title: "Name",
validation: { required: true },
dataType: "string"
},
uppercase_name: {
title: "Uppercase Name",
dataType: "string",
disabled: true,
description: "This field gets updated with a preSave callback"
}
}
});

const productCallbacks = buildEntityCallbacks({
onPreSave: ({
collection,
path,
entityId,
values,
status
}) => {
values.uppercase_name = values.name?.toUpperCase();
return values;
},

onSaveSuccess: (props: EntityOnSaveProps<Product>) => {
console.log("onSaveSuccess", props);
},

onSaveFailure: (props: EntityOnSaveProps<Product>) => {
console.log("onSaveFailure", props);
},

onPreDelete: ({
collection,
path,
entityId,
entity,
context
}: EntityOnDeleteProps<Product>
) => {
if (context.authController.user)
throw Error("Product deletion not allowed");
},

onDelete: (props: EntityOnDeleteProps<Product>) => {
console.log("onDelete", props);
},
});

EntityOnSaveProps

  • schema: EntitySchema Resolved schema of the entity

  • path: string Full path where this entity is being saved

  • entityId?: string Id of the entity or undefined if new

  • values: EntityValues Values being saved

  • status: EntityStatus New or existing entity

  • context: FireCMSContext Context of the app status

EntityOnDeleteProps

  • schema: EntitySchema Resolved schema of the entity

  • path: string Full path where this entity is being saved

  • entityId?: string Id of the entity or undefined if new

  • entity: Entity Deleted entity

  • context: FireCMSContext Context of the app status

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