@roadiehq/backstage-plugin-github-pull-requests/dist/components/usePullRequests.esm.js

import { useState, useEffect } from 'react';
import { useAsyncRetry } from 'react-use';
import { githubPullRequestsApiRef } from '../api/GithubPullRequestsApi.esm.js';
import '@backstage/integration';
import '@octokit/rest';
import { DateTime } from 'luxon';
import { useApi } from '@backstage/core-plugin-api';
import { useEntity } from '@backstage/plugin-catalog-react';
import { getHostname } from '../utils/githubUtils.esm.js';

function usePullRequests({
  search,
  owner,
  repo,
  branch
}) {
  const api = useApi(githubPullRequestsApiRef);
  const { entity } = useEntity();
  const hostname = getHostname(entity);
  const [total, setTotal] = useState(0);
  const [totalResults, setTotalResults] = useState(0);
  const [page, setPage] = useState(0);
  const [pageSize, setPageSize] = useState(5);
  const getElapsedTime = (start) => {
    return DateTime.fromISO(start).toRelative();
  };
  const handleTotal = (total_count) => {
    setTotal(total_count > 1e3 ? 1e3 : total_count);
    setTotalResults(total_count);
  };
  const {
    loading,
    value: prData,
    retry,
    error
  } = useAsyncRetry(async () => {
    if (!repo) {
      return [];
    }
    return api.listPullRequests({
      search,
      owner,
      repo,
      pageSize,
      page: page + 1,
      branch,
      hostname
    }).then(
      ({
        pullRequestsData: { total_count, items }
      }) => {
        if (total_count >= 0) {
          handleTotal(total_count);
        }
        return items.map(
          ({
            id,
            html_url,
            title,
            number,
            created_at,
            updated_at,
            user,
            state: pr_state,
            draft,
            pull_request: { merged_at },
            body
          }) => ({
            url: html_url,
            id,
            number,
            title,
            body,
            state: pr_state,
            draft,
            merged: merged_at,
            creatorNickname: user?.login,
            creatorProfileLink: user?.html_url,
            createdTime: getElapsedTime(created_at),
            updatedTime: getElapsedTime(updated_at)
          })
        );
      }
    );
  }, [page, pageSize, repo, owner]);
  useEffect(() => {
    setPage(0);
    retry();
  }, [search]);
  return [
    {
      page,
      pageSize,
      loading,
      prData,
      projectName: `${owner}/${repo}`,
      total,
      totalResults,
      error
    },
    {
      prData,
      setPage,
      setPageSize,
      retry
    }
  ];
}

export { usePullRequests };
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