@bit-ui-libs/common/src/lib/asset/asset-attachment.utils.ts

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import { BaseService } from '../api/services/base-service';
import { UpdateAttachmentResponse, UploadedAttachmentData, createQueryParams } from '../common';
import { CreateAttachmentRequest, CreateAttachmentsPayload, UpdateAttachmentRequest } from './interfaces';

export interface GetAttachmentLinkOpts {
  apiUrl: string;
  id: string;
  bitToken: string;
  accessToken: string;
  thumb?: boolean;
}

export function getAttachmentLink(opts: GetAttachmentLinkOpts) {
  const params = {
    thumb: opts.thumb ? 'true' : undefined,
    bit_token: opts.bitToken,
    access_token: opts.accessToken,
  };
  return `${opts.apiUrl}/core-events/v1/chain-assets/attachments/${opts.id}/view?${createQueryParams(params)}`;
}

interface CreateAndUploadAttachmentsOpts {
  service: BaseService;
  chainApiUrl: string;
  req: CreateAttachmentsPayload;
}

export async function createAndUploadAttachments(
  opts: CreateAndUploadAttachmentsOpts
): Promise<UploadedAttachmentData[]> {
  const { service, chainApiUrl, req } = opts;
  const { eventId, req: input, onUpload } = req;
  // 1. Prepare array of attachments to initialize
  const docs = input.docs
    // Exclude attachments that are already initialized
    // .filter((d) => !event.attachments.some((a) => a.classification === d.classification))
    // Exclude image data first, as we're just initializing the attachments
    .map((d) => ({ ...d, data: undefined }));

  // Initialize attachments
  const initializeInput = { ...input, docs };
  const initializedAttachments = await service.post<UploadedAttachmentData[], CreateAttachmentRequest>(
    `${chainApiUrl}/${eventId}/attachments`,
    initializeInput
  );

  // 2. Update Attachments (upload / pass image data to the initialized attachments)
  const updatedDocs: UploadedAttachmentData[] = [];
  let i = 0;
  for (const d of input.docs) {
    onUpload?.(i + 1, input.docs.length);
    const req: UpdateAttachmentRequest = {
      application: input.application,
      docs: [
        {
          mimeType: d.mimeType,
          docType: d.docType,
          classification: d.classification,
          docId: initializedAttachments[i].docId,
          name: d.name,
          description: d.description,
          data: d.data ?? '',
          isMain: d.isMain,
        },
      ],
    };
    await service.put<UpdateAttachmentResponse, UpdateAttachmentRequest>(`${chainApiUrl}/${eventId}/attachments`, req, {
      onUploadProgress: (e) => console.log('Upload attachment progress:', e),
    });
    i++;
    // TODO: Please fix typing, just a quick fix for build error
    updatedDocs.push(req.docs[0] as UploadedAttachmentData);
  }
  return updatedDocs;
}