department-of-veterans-affairs/vets-website

import FileField from '../fields/FileField';
import { validateFileField } from '../validation';

export default function fileUiSchema(label, userOptions = {}) {
  return {
    'ui:title': label,
    'ui:field': FileField,
    'ui:options': {
      fileTypes: ['pdf', 'jpg', 'jpeg', 'png'],
      maxSize: 20971520,
      minSize: 1024,
      createPayload: (file, formId, password) => {
        const payload = new FormData();
        payload.append('file', file);
        payload.append('form_id', formId);
        // password for encrypted PDFs
        if (password) {
          payload.append('password', password);
        }

        return payload;
      },
      parseResponse: fileInfo => ({
        name: fileInfo.data.attributes.name,
        size: fileInfo.data.attributes.size,
        confirmationCode: fileInfo.data.attributes.confirmationCode,
      }),
      addAnotherLabel: 'Add Another',
      showFieldLabel: true,
      keepInPageOnReview: true,
      classNames: 'schemaform-file-upload',
      ...userOptions,
    },
    'ui:errorMessages': {
      required: 'You must upload a file',
      minItems: 'You must upload at least one file',
    },
    'ui:validations': [validateFileField],
  };
}

// An example schema so we don’t forget it for now
export const fileSchema = {
  type: 'array',
  minItems: 1,
  items: {
    type: 'object',
    properties: {
      fileName: {
        type: 'string',
      },
      fileSize: {
        type: 'integer',
      },
      confirmationNumber: {
        type: 'string',
      },
      errorMessage: {
        type: 'string',
      },
      uploading: {
        type: 'boolean',
      },
    },
  },
};