75 lines
2.0 KiB
TypeScript
75 lines
2.0 KiB
TypeScript
import {
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ChangeActionType,
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MathBN,
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MedusaError,
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} from "@medusajs/framework/utils"
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import { OrderChangeProcessing } from "../calculate-order-change"
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import { setActionReference } from "../set-action-reference"
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OrderChangeProcessing.registerActionType(ChangeActionType.ITEM_REMOVE, {
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isDeduction: true,
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operation({ action, currentOrder, options }) {
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const existingIndex = currentOrder.items.findIndex(
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(item) => item.id === action.details.reference_id
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)
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const existing = currentOrder.items[existingIndex]
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existing.detail.quantity ??= 0
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existing.quantity = MathBN.sub(existing.quantity, action.details.quantity)
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existing.detail.quantity = MathBN.sub(
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existing.detail.quantity,
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action.details.quantity
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)
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setActionReference(existing, action, options)
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return MathBN.mult(existing.unit_price, action.details.quantity)
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},
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validate({ action, currentOrder }) {
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const refId = action.details?.reference_id
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if (refId == null) {
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throw new MedusaError(
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MedusaError.Types.INVALID_DATA,
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"Reference ID is required."
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)
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}
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const existing = currentOrder.items.find((item) => item.id === refId)
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if (!existing) {
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throw new MedusaError(
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MedusaError.Types.INVALID_DATA,
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`Item ID "${refId}" not found.`
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)
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}
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if (!action.details?.quantity) {
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throw new MedusaError(
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MedusaError.Types.INVALID_DATA,
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`Quantity of item ${refId} is required.`
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)
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}
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if (MathBN.lt(action.details?.quantity, 1)) {
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throw new MedusaError(
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MedusaError.Types.INVALID_DATA,
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`Quantity of item ${refId} must be greater than 0.`
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)
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}
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const notFulfilled = MathBN.sub(
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existing.quantity,
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existing.detail?.fulfilled_quantity
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)
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const greater = MathBN.gt(action.details?.quantity, notFulfilled)
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if (greater) {
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throw new MedusaError(
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MedusaError.Types.INVALID_DATA,
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`Cannot remove fulfilled item: Item ${refId}.`
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)
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}
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},
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})
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