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// @flow
import { graphql } from 'react-apollo';
import gql from 'graphql-tag';
import channelInfoFragment from '../../fragments/channel/channelInfo';
import type { ChannelInfoType } from '../../fragments/channel/channelInfo';
import channelMemberConnectionFragment from '../../fragments/channel/channelMemberConnection';
import type { ChannelMemberConnectionType } from '../../fragments/channel/channelMemberConnection';
export type GetChannelMemberConnectionType = {
...$Exact<ChannelInfoType>,
...$Exact<ChannelMemberConnectionType>,
};
export const getChannelMemberConnectionQuery = gql`
query getChannelMemberConnection($id: ID, $first: Int, $after: String) {
channel(id: $id) {
...channelInfo
...channelMemberConnection
}
}
${channelInfoFragment}
${channelMemberConnectionFragment}
`;
const LoadMoreMembers = gql`
query loadMoreChannelMembers($id: ID, $first: Int, $after: String) {
channel(id: $id) {
...channelInfo
...channelMemberConnection
}
}
${channelInfoFragment}
${channelMemberConnectionFragment}
`;
const getChannelMemberConnectionOptions = {
props: ({ data: { fetchMore, error, loading, channel, networkStatus } }) => ({
data: {
error,
loading,
channel,
networkStatus: networkStatus,
hasNextPage:
channel && channel.memberConnection
? channel.memberConnection.pageInfo.hasNextPage
: false,
fetchMore: () =>
fetchMore({
query: LoadMoreMembers,
variables: {
id: channel.id,
after:
channel.memberConnection.edges[
channel.memberConnection.edges.length - 1
].cursor,
},
updateQuery: (prev, { fetchMoreResult }) => {
if (!fetchMoreResult.channel) {
return prev;
}
return {
...prev,
channel: {
...prev.channel,
memberConnection: {
...prev.channel.memberConnection,
pageInfo: {
...prev.channel.memberConnection.pageInfo,
...fetchMoreResult.channel.memberConnection.pageInfo,
},
edges: [
...prev.channel.memberConnection.edges,
...fetchMoreResult.channel.memberConnection.edges,
],
},
},
};
},
}),
},
}),
options: ({ id, first = 10 }) => ({
variables: {
id,
first,
},
fetchPolicy: 'cache-and-network',
}),
};
export default graphql(
getChannelMemberConnectionQuery,
getChannelMemberConnectionOptions
);
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