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// @flow
import type { GraphQLContext } from '../../';
import type { DBUser } from 'shared/types';
import type { PaginationOptions } from '../../utils/paginate-arrays';
import { encode, decode } from '../../utils/base64';
const {
getViewableThreadsByUser,
getPublicThreadsByUser,
getPublicParticipantThreadsByUser,
getViewableParticipantThreadsByUser,
} = require('../../models/thread');
export default (
{ id }: DBUser,
{
first,
after,
kind,
}: { ...PaginationOptions, kind: 'creator' | 'participant' },
{ user }: GraphQLContext
) => {
const currentUser = user;
const cursor = decode(after);
// Get the index from the encoded cursor, asdf234gsdf-2 => ["-2", "2"]
const lastDigits = cursor.match(/-(\d+)$/);
const lastThreadIndex =
lastDigits && lastDigits.length > 0 && parseInt(lastDigits[1], 10);
// if a logged in user is viewing the profile, handle logic to get viewable threads
let getThreads;
if (currentUser) {
getThreads =
kind === 'creator'
? // $FlowIssue
getViewableThreadsByUser(id, currentUser.id, {
first,
after: lastThreadIndex,
})
: // $FlowIssue
getViewableParticipantThreadsByUser(id, currentUser.id, {
first,
after: lastThreadIndex,
});
} else {
getThreads =
kind === 'creator'
? // $FlowIssue
getPublicThreadsByUser(id, { first, after: lastThreadIndex })
: // $FlowIssue
getPublicParticipantThreadsByUser(id, {
first,
after: lastThreadIndex,
});
}
return getThreads.then(result => ({
pageInfo: {
// $FlowFixMe => super weird
hasNextPage: result && result.length >= first,
},
edges: result.map((thread, index) => ({
cursor: encode(`${thread.id}-${lastThreadIndex + index + 1}`),
node: thread,
})),
}));
};
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