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// @flow
import type { DBCommunity } from 'shared/types';
import type { GraphQLContext } from '../../';
import type { PaginationOptions } from '../../utils/paginate-arrays';
import { encode, decode } from '../../utils/base64';
import { canViewCommunity } from '../../utils/permissions';
import {
getMembersInCommunity,
getOwnersInCommunity,
getModeratorsInCommunity,
getTeamMembersInCommunity,
} from '../../models/usersCommunities';
type MembersFilterType = {
isMember?: boolean,
isOwner?: boolean,
isModerator?: boolean,
isPending?: boolean,
isBlocked?: boolean,
};
type Args = {
...$Exact<PaginationOptions>,
filter?: MembersFilterType,
};
export default async (root: DBCommunity, args: Args, ctx: GraphQLContext) => {
const { id } = root;
const { user, loaders } = ctx;
if (!(await canViewCommunity(user, id, loaders))) {
return {
pageInfo: {
hasNextPage: false,
},
edges: [],
};
}
const { first = 10, after, filter = {} } = args;
const cursor = decode(after);
// Get the index from the encoded cursor, asdf234gsdf-2 => ["-2", "2"]
const lastDigits = cursor.match(/-(\d+)$/);
const lastUserIndex =
(lastDigits && lastDigits.length > 0 && parseInt(lastDigits[1], 10)) || 0;
let query;
if (filter.isModerator && filter.isOwner) {
query = getTeamMembersInCommunity;
} else if (filter.isModerator) {
query = getModeratorsInCommunity;
} else if (filter.isOwner) {
query = getOwnersInCommunity;
} else {
query = getMembersInCommunity;
}
return query(id, { first, after: lastUserIndex })
.then(users => {
const permissionsArray = users.map(userId => [userId, id]);
// $FlowIssue
return loaders.userPermissionsInCommunity.loadMany(permissionsArray);
})
.then(result => ({
pageInfo: {
hasNextPage: result && result.length >= first,
},
edges: result.filter(Boolean).map((user, index) => ({
cursor: encode(`${user.userId}-${lastUserIndex + index + 1}`),
node: user,
})),
}));
};
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