stablematch3.js

// iterates over the process of sending, accepting, and rejecting proposals
function proposalProcess(sender, receiver, receiverRank) {
  // we now need to check to see if the receiver has accepted proposals and
  // how the receiver ranks the sender of the proposal
  let indexOfsender = _.findIndex(receiver.choices, p => { return p.id == sender.id; });
  // create shortcut to senders object in receiver's list
  let senderRank = receiver.choices[indexOfsender].strength;
  if(receiver.hasAcceptedReceivedProposal) {
    // need to compare against accept proposal
    if(receiver.acceptedReceivedRank > senderRank) {
      // rejected because offer has already been accept by someone with higher preference
      rejectOffer(sender, receiver);
    } else {
      // define rejected before received accepts a new offer
      let rejected = _DB[receiver.acceptedReceivedID].id;
      acceptOffer(sender, receiver, receiverRank, senderRank);
      // accepted because the sender outranks the previously accepted proposal
      // the previous proposal now needs to be denied
      rejectOffer(_DB[rejected], receiver);
    }
  } else {
    // accepted because he does not have any accepted proposal
    acceptOffer(sender, receiver, receiverRank, senderRank);
  }
}