@payloadcms/plugin-form-builder/dist/utilities/getPaymentTotal.js

Form builder plugin for Payload CMS

export const getPaymentTotal = (args)=>{
    const { basePrice = 0, fieldValues, priceConditions } = args;
    let total = basePrice;
    if (Array.isArray(priceConditions) && priceConditions.length > 0) {
        priceConditions.forEach((priceCondition)=>{
            const { condition, fieldToUse, operator, valueForCondition, valueForOperator, valueType } = priceCondition;
            const valueOfField = fieldValues?.[fieldToUse];
            if (valueOfField) {
                if (condition === 'hasValue' || condition === 'equals' && valueOfField === valueForCondition || condition === 'notEquals' && valueOfField !== valueForCondition) {
                    const valueToUse = Number(valueType === 'valueOfField' ? valueOfField : valueForOperator);
                    switch(operator){
                        case 'add':
                            {
                                total += valueToUse;
                                break;
                            }
                        case 'divide':
                            {
                                total /= valueToUse;
                                break;
                            }
                        case 'multiply':
                            {
                                total *= valueToUse;
                                break;
                            }
                        case 'subtract':
                            {
                                total -= valueToUse;
                                break;
                            }
                        default:
                            {
                                break;
                            }
                    }
                }
            }
        });
    }
    return total;
};

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