old_contents: const apiRouter = require('express').Router();
  const getMatches = require('../db/controllers/getMatchesGivenSelfAndOffset.js');
  const addToRequests = require('../db/controllers/moveMatchIntoRequests.js');
  const addToRejects = require('../db/controllers/moveMatchIntoRejects.js');
  const changeToConnectionFromRequest = require('../db/controllers/moveRequestIntoConnectionsGivenSelfIdAndRequestId.js');
  const changeToRejectFromRequest = require('../db/controllers/moveRequestIntoRejectsGivenSelfIdAndRequestId.js');
  const changeToRejectFromConnection = require('../db/controllers/moveConnectionIntoRejectsGivenSelfIdAndConnectionId.js');
  
  apiRouter.route('/matches')
    .get((req, res) => { // get matches
      getMatches(req.body.id, req.body.offset)
      .then(matches => {
        res.json = matches;
      });
    });
  
  apiRouter.route('/relationships')
    .post((req, res) => {
  
    }) // post to rejects and requests
    .put((req, res) => {
  
    });  // change relationship type
  
  apiRouter.route('/profile/:id')
    .put((req, res) => {
  
    }); // update profile
  
  module.exports = apiRouter;
  
new_contents: const apiRouter = require('express').Router();
  const getMatches = require('../db/controllers/getMatchesGivenSelfAndOffset.js');
  const addToRequests = require('../db/controllers/moveMatchIntoRequests.js');
  const addToRejects = require('../db/controllers/moveMatchIntoRejects.js');
  const changeToConnectionFromRequest = require('../db/controllers/moveRequestIntoConnectionsGivenSelfIdAndRequestId.js');
  const changeToRejectFromRequest = require('../db/controllers/moveRequestIntoRejectsGivenSelfIdAndRequestId.js');
  const changeToRejectFromConnection = require('../db/controllers/moveConnectionIntoRejectsGivenSelfIdAndConnectionId.js');
  
  apiRouter.route('/matches')
    .get((req, res) => { // get matches
      getMatches(req.body.id, req.body.offset)
      .then(matches => {
        res.json(matches);
      });
    });
  
  apiRouter.route('/relationships')
    .post((req, res) => {
      if (req.body.newType === 'request') {
        return addToRequests(req.body.selfId, req.body.matchId)
        .then(() => {
          res.sendStatus(201);
        });
      }
      if (req.body.newType === 'reject') {
        return addToRejects(req.body.selfId, req.body.matchId)
        .then(() => {
          res.sendStatus(201);
        });
      }
      return res.sendStatus(404);
    }) // post to rejects and requests
    .put((req, res) => {
  
    });  // change relationship type
  
  apiRouter.route('/profile/:id')
    .put((req, res) => {
  
    }); // update profile
  
  module.exports = apiRouter;
  
subject: Handle post to /api/relationships