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path: root/src/server/ApiManagers/GeneralGoogleManager.ts
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import ApiManager, { Registration } from './ApiManager';
import { Method } from '../RouteManager';
import { GoogleApiServerUtils } from '../apis/google/GoogleApiServerUtils';
import RouteSubscriber from '../RouteSubscriber';
import { Database } from '../database';

const EndpointHandlerMap = new Map<GoogleApiServerUtils.Action, GoogleApiServerUtils.ApiRouter>([
    ['create', (api, params) => api.create(params)],
    ['retrieve', (api, params) => api.get(params)],
    ['update', (api, params) => api.batchUpdate(params)],
]);

export default class GeneralGoogleManager extends ApiManager {
    protected initialize(register: Registration): void {
        register({
            method: Method.GET,
            subscription: '/readGoogleAccessToken',
            secureHandler: async ({ user, res }) => {
                const { credentials } = await GoogleApiServerUtils.retrieveCredentials(user.id);
                if (!credentials?.access_token) {
                    return res.send(GoogleApiServerUtils.generateAuthenticationUrl());
                }
                return res.send(credentials);
            },
        });

        register({
            method: Method.POST,
            subscription: '/writeGoogleAccessToken',
            secureHandler: async ({ user, req, res }) => {
                res.send(await GoogleApiServerUtils.processNewUser(user.id, req.body.authenticationCode));
            },
        });

        register({
            method: Method.GET,
            subscription: '/revokeGoogleAccessToken',
            secureHandler: async ({ user, res }) => {
                await Database.Auxiliary.GoogleAccessToken.Revoke(user.id);
                res.send();
            },
        });

        register({
            method: Method.POST,
            subscription: new RouteSubscriber('googleDocs').add('sector', 'action'),
            secureHandler: async ({ req, res, user }) => {
                const sector: GoogleApiServerUtils.Service = req.params.sector as GoogleApiServerUtils.Service;
                const action: GoogleApiServerUtils.Action = req.params.action as GoogleApiServerUtils.Action;
                const endpoint = await GoogleApiServerUtils.GetEndpoint(GoogleApiServerUtils.Service[sector], user.id);
                const handler = EndpointHandlerMap.get(action);
                if (endpoint && handler) {
                    try {
                        const response = await handler(endpoint, req.body);
                        res.send(response.data);
                    } catch (e) {
                        res.send(e);
                    }
                    return;
                }
                res.send(undefined);
            },
        });
    }
}