Add ordercloud provider (#500)

* Add ordercloud provider

* Fix provider errors

* Make submit checkout optional

* Make submit checkout optional

* Remove nullables when creating endpoint type

* Update readme

* Log checkout error

* Log error

* Save token to cookie

* Update fetch rest

* Use token at checkout

Co-authored-by: Luis Alvarez <luis@vercel.com>

framework/ordercloud/cart/index.ts

@@ -0,0 +1,4 @@
+export { default as useCart } from './use-cart'
+export { default as useAddItem } from './use-add-item'
+export { default as useRemoveItem } from './use-remove-item'
+export { default as useUpdateItem } from './use-update-item'

framework/ordercloud/cart/use-add-item.tsx

@@ -0,0 +1,48 @@
+import type { AddItemHook } from '@commerce/types/cart'
+import type { MutationHook } from '@commerce/utils/types'
+
+import { useCallback } from 'react'
+import { CommerceError } from '@commerce/utils/errors'
+import useAddItem, { UseAddItem } from '@commerce/cart/use-add-item'
+import useCart from './use-cart'
+
+export default useAddItem as UseAddItem<typeof handler>
+
+export const handler: MutationHook<AddItemHook> = {
+  fetchOptions: {
+    url: '/api/cart',
+    method: 'POST',
+  },
+  async fetcher({ input: item, options, fetch }) {
+    if (
+      item.quantity &&
+      (!Number.isInteger(item.quantity) || item.quantity! < 1)
+    ) {
+      throw new CommerceError({
+        message: 'The item quantity has to be a valid integer greater than 0',
+      })
+    }
+
+    const data = await fetch({
+      ...options,
+      body: { item },
+    })
+
+    return data
+  },
+  useHook: ({ fetch }) =>
+    function useHook() {
+      const { mutate } = useCart()
+
+      return useCallback(
+        async function addItem(input) {
+          const data = await fetch({ input })
+
+          await mutate(data, false)
+
+          return data
+        },
+        [fetch, mutate]
+      )
+    },
+}

framework/ordercloud/cart/use-cart.tsx

@@ -0,0 +1,33 @@
+import type { GetCartHook } from '@commerce/types/cart'
+
+import { useMemo } from 'react'
+import { SWRHook } from '@commerce/utils/types'
+import useCart, { UseCart } from '@commerce/cart/use-cart'
+
+export default useCart as UseCart<typeof handler>
+
+export const handler: SWRHook<GetCartHook> = {
+  fetchOptions: {
+    url: '/api/cart',
+    method: 'GET',
+  },
+  useHook: ({ useData }) =>
+    function useHook(input) {
+      const response = useData({
+        swrOptions: { revalidateOnFocus: false, ...input?.swrOptions },
+      })
+
+      return useMemo(
+        () =>
+          Object.create(response, {
+            isEmpty: {
+              get() {
+                return (response.data?.lineItems?.length ?? 0) <= 0
+              },
+              enumerable: true,
+            },
+          }),
+        [response]
+      )
+    },
+}

framework/ordercloud/cart/use-remove-item.tsx

@@ -0,0 +1,60 @@
+import type {
+  MutationHookContext,
+  HookFetcherContext,
+} from '@commerce/utils/types'
+import type { Cart, LineItem, RemoveItemHook } from '@commerce/types/cart'
+
+import { useCallback } from 'react'
+
+import { ValidationError } from '@commerce/utils/errors'
+import useRemoveItem, { UseRemoveItem } from '@commerce/cart/use-remove-item'
+
+import useCart from './use-cart'
+
+export type RemoveItemFn<T = any> = T extends LineItem
+  ? (input?: RemoveItemActionInput<T>) => Promise<Cart | null | undefined>
+  : (input: RemoveItemActionInput<T>) => Promise<Cart | null>
+
+export type RemoveItemActionInput<T = any> = T extends LineItem
+  ? Partial<RemoveItemHook['actionInput']>
+  : RemoveItemHook['actionInput']
+
+export default useRemoveItem as UseRemoveItem<typeof handler>
+
+export const handler = {
+  fetchOptions: {
+    url: '/api/cart',
+    method: 'DELETE',
+  },
+  async fetcher({
+    input: { itemId },
+    options,
+    fetch,
+  }: HookFetcherContext<RemoveItemHook>) {
+    return await fetch({ ...options, body: { itemId } })
+  },
+  useHook: ({ fetch }: MutationHookContext<RemoveItemHook>) =>
+    function useHook<T extends LineItem | undefined = undefined>(
+      ctx: { item?: T } = {}
+    ) {
+      const { item } = ctx
+      const { mutate } = useCart()
+      const removeItem: RemoveItemFn<LineItem> = async (input) => {
+        const itemId = input?.id ?? item?.id
+
+        if (!itemId) {
+          throw new ValidationError({
+            message: 'Invalid input used for this operation',
+          })
+        }
+
+        const data = await fetch({ input: { itemId } })
+
+        await mutate(data, false)
+
+        return data
+      }
+
+      return useCallback(removeItem as RemoveItemFn<T>, [fetch, mutate])
+    },
+}

framework/ordercloud/cart/use-update-item.tsx

@@ -0,0 +1,93 @@
+import type {
+  HookFetcherContext,
+  MutationHookContext,
+} from '@commerce/utils/types'
+import type { UpdateItemHook, LineItem } from '@commerce/types/cart'
+
+import { useCallback } from 'react'
+import debounce from 'lodash.debounce'
+
+import { MutationHook } from '@commerce/utils/types'
+import { ValidationError } from '@commerce/utils/errors'
+import useUpdateItem, { UseUpdateItem } from '@commerce/cart/use-update-item'
+
+import { handler as removeItemHandler } from './use-remove-item'
+import useCart from './use-cart'
+
+export type UpdateItemActionInput<T = any> = T extends LineItem
+  ? Partial<UpdateItemHook['actionInput']>
+  : UpdateItemHook['actionInput']
+
+export default useUpdateItem as UseUpdateItem<any>
+
+export const handler: MutationHook<any> = {
+  fetchOptions: {
+    url: '/api/cart',
+    method: 'PUT',
+  },
+  async fetcher({
+    input: { itemId, item },
+    options,
+    fetch,
+  }: HookFetcherContext<UpdateItemHook>) {
+    if (Number.isInteger(item.quantity)) {
+      // Also allow the update hook to remove an item if the quantity is lower than 1
+      if (item.quantity! < 1) {
+        return removeItemHandler.fetcher({
+          options: removeItemHandler.fetchOptions,
+          input: { itemId },
+          fetch,
+        })
+      }
+    } else if (item.quantity) {
+      throw new ValidationError({
+        message: 'The item quantity has to be a valid integer',
+      })
+    }
+
+    return await fetch({
+      ...options,
+      body: { itemId, item },
+    })
+  },
+  useHook: ({ fetch }: MutationHookContext<UpdateItemHook>) =>
+    function useHook<T extends LineItem | undefined = undefined>(
+      ctx: {
+        item?: T
+        wait?: number
+      } = {}
+    ) {
+      const { item } = ctx
+      const { mutate } = useCart() as any
+
+      return useCallback(
+        debounce(async (input: UpdateItemActionInput<T>) => {
+          const itemId = input.id ?? item?.id
+          const productId = input.productId ?? item?.productId
+          const variantId = input.productId ?? item?.variantId
+
+          if (!itemId || !productId) {
+            throw new ValidationError({
+              message: 'Invalid input used for this operation',
+            })
+          }
+
+          const data = await fetch({
+            input: {
+              itemId,
+              item: {
+                productId,
+                variantId: variantId || '',
+                quantity: input.quantity,
+              },
+            },
+          })
+
+          await mutate(data, false)
+
+          return data
+        }, ctx.wait ?? 500),
+        [fetch, mutate]
+      )
+    },
+}