MuDBase/server/endpoints/TagDetailsEndpointHandler.ts

const models = require('../models');
import * as api from '../../client/src/api';
import { EndpointError, EndpointHandler, catchUnhandledErrors } from './types';

export const TagDetailsEndpointHandler: EndpointHandler = async (req: any, res: any) => {
    if (!api.checkTagDetailsRequest(req)) {
        const e: EndpointError = {
            internalMessage: 'Invalid TagDetails request: ' + JSON.stringify(req.body),
            httpStatus: 400
        };
        throw e;
    }

    await models.Tag.findAll({
        where: {
            id: req.params.id
        },
        include: [{
            model: models.Tag,
            as: 'parent'
        }]
    })
        .then((tags: any[]) => {
            if (tags.length != 1) {
                const e: EndpointError = {
                    internalMessage: 'There is no tag with id ' + req.params.id + '.',
                    httpStatus: 400
                };
                throw e;
            }
            let tag = tags[0];
            var response: api.TagDetailsResponse = {
                name: tag.name,
            };
            if(tag.parent) { response['parentId'] = tag.parent.id; }
            res.send(response);
        })
        .catch(catchUnhandledErrors);
}