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import gql from 'graphql-tag';
import React from 'react';
import { useCallback } from 'react';
import styled from 'styled-components';
import * as fragments from '../../graphql/fragments';
import UsersList from '../UsersList';
import ChatCreationNavbar from './ChatCreationNavbar';
import { History } from 'history';
import { useAddChatMutation } from '../../graphql/types';
import { writeChat } from '../../services/cache.service';
// eslint-disable-next-line
const Container = styled.div`
height: calc(100% - 56px);
overflow-y: overlay;
`;
// eslint-disable-next-line
const StyledUsersList = styled(UsersList)`
height: calc(100% - 56px);
`;
gql`
mutation AddChat($recipientId: ID!) {
addChat(recipientId: $recipientId) {
...Chat
}
}
${fragments.chat}
`;
interface ChildComponentProps {
history: History;
}
const ChatCreationScreen: React.FC<ChildComponentProps> = ({ history }) => {
const [addChat] = useAddChatMutation();
const onUserPick = useCallback(
(user) =>
addChat({
optimisticResponse: {
__typename: 'Mutation',
addChat: {
__typename: 'Chat',
id: Math.random().toString(36).substr(2, 9),
name: user.name,
picture: user.picture,
lastMessage: null,
},
},
variables: {
recipientId: user.id,
},
update: (client, { data }) => {
if (data && data.addChat) {
writeChat(client, data.addChat);
}
},
}).then((result) => {
if (result && result.data !== null) {
history.push(`/chats/${result.data!.addChat!.id}`);
}
}),
[addChat, history]
);
return (
<div>
<ChatCreationNavbar history={history} />
<UsersList onUserPick={onUserPick} />
</div>
);
};
export default ChatCreationScreen;
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