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// @flow
import { graphql } from 'react-apollo';
import gql from 'graphql-tag';
import threadInfoFragment from '../../fragments/thread/threadInfo';
import communityInfoFragment from '../../fragments/community/communityInfo';
import type { CommunityInfoType } from '../../fragments/community/communityInfo';
import communityThreadConnectionFragment from '../../fragments/community/communityThreadConnection';
import type { CommunityThreadConnectionType } from '../../fragments/community/communityThreadConnection';
export type GetCommunityThreadConnectionType = {
...$Exact<CommunityInfoType>,
...$Exact<CommunityThreadConnectionType>,
};
const LoadMoreThreads = gql`
query loadMoreCommunityThreads(
$after: String
$id: ID
$sort: CommunityThreadConnectionSort
) {
community(id: $id) {
...communityInfo
...communityThreadConnection
}
}
${threadInfoFragment}
${communityInfoFragment}
${communityThreadConnectionFragment}
`;
export const getCommunityThreadConnectionQuery = gql`
query getCommunityThreadConnection(
$id: ID
$after: String
$sort: CommunityThreadConnectionSort
) {
community(id: $id) {
...communityInfo
...communityThreadConnection
}
}
${threadInfoFragment}
${communityInfoFragment}
${communityThreadConnectionFragment}
`;
const getCommunityThreadConnectionOptions = {
props: ({
ownProps,
data: { fetchMore, error, loading, community, networkStatus, refetch },
}) => ({
data: {
error,
loading,
networkStatus,
community,
refetch,
threadConnection: community && community.threadConnection,
threads:
community && community.threadConnection
? community.threadConnection.edges
: [],
hasNextPage:
community && community.threadConnection
? community.threadConnection.pageInfo.hasNextPage
: false,
feed: community && community.id,
fetchMore: () =>
fetchMore({
query: LoadMoreThreads,
variables: {
after:
community.threadConnection.edges[
community.threadConnection.edges.length - 1
].cursor,
id: community.id,
},
updateQuery: (prev, { fetchMoreResult }) => {
if (!fetchMoreResult.community) {
return prev;
}
return {
...prev,
community: {
...prev.community,
threadConnection: {
...prev.community.threadConnection,
pageInfo: {
...prev.community.threadConnection.pageInfo,
...fetchMoreResult.community.threadConnection.pageInfo,
},
edges: [
...prev.community.threadConnection.edges,
...fetchMoreResult.community.threadConnection.edges,
],
},
},
};
},
}),
},
}),
options: ({
id,
after,
sort,
}: {
id: string,
after?: ?string,
sort?: ?string,
}) => ({
variables: {
id,
after: after || null,
sort,
},
fetchPolicy: 'cache-and-network',
}),
};
export default graphql(
getCommunityThreadConnectionQuery,
getCommunityThreadConnectionOptions
);
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